軸承專業(yè)英語(yǔ)匯集[軸承中英文對(duì)照] |
一、 軸承 (一)滾動(dòng)軸承總論 1. 滾動(dòng)軸承 rolling bearing ['r?uli?] 2. 單列軸承 single row bearing [rau] 3. 雙列軸承 double row bearing 4. 多列軸承 multi-row bearing ['m?lti] 5. 滿裝滾動(dòng)體軸承 full complement bearing [ful] ['k?mplim?nt] 6. 角接觸軸承 angular contact bearing ['æ?ɡjul?] 7. 調(diào)心軸承 self-aligning bearing [?‘laini?] 8. 可分離的軸承 separable bearing ['sep?r?bl] 9. 不可分離軸承 non-separable bearing 10. 單列深溝球軸承是球軸承中最普通的種類,應(yīng)用及其廣泛。 Single row deep groove ball bearings are the most common type of rolling bearing and are used in a wide variety [v?'rai?ti] of applications. The moment of friction of high-speed grease-lubricated rolling bearing determines its power consumption and heat output,and the heat output has a direct effect on its temperature rise. 在高速脂潤(rùn)滑滾動(dòng)軸承中,摩擦力矩的大小決定了軸承的功率消耗和發(fā)熱量的大小,發(fā)熱量的大小直接影響軸承的溫升失效。 軸承英語(yǔ)基礎(chǔ)知識(shí)培訓(xùn)(二)( 一、 軸承 (一)滾動(dòng)軸承總論 10. 英制軸承 inch bearing inch [int?] 11. 開(kāi)型軸承 open bearing open ['?up?n] 12. 密封圈軸承 sealed bearing sealed [si:ld] 13. 防塵蓋軸承 shielded bearing shielded ['?i:ldid] 14. 閉型軸承 capped bearing 15. 預(yù)潤(rùn)滑軸承 prelubricated bearing [pri:‘ljubrikeitid] 16. 儀器精密軸承 instrument precision bearing ['instrum?nt] [pri'si??n] 17. 組配軸承 matched bearing Sealed bearing system reduces clamping pressure and increases bearing life. 密封的軸承系統(tǒng)減少夾持力并增加軸承壽命。 With proper selection of parameters, small dimension products with high precision can be obtained. 選擇適當(dāng)?shù)墓に噮?shù),能夠制得精度很高的小尺寸產(chǎn)品; 軸承英語(yǔ)基礎(chǔ)知識(shí)培訓(xùn)(三)( (二)向心軸承 軸承英語(yǔ)基礎(chǔ)知識(shí)培訓(xùn)(四)( 3. 深溝球軸承 deep groove ball bearing 4. 裝填槽球軸承 filling slot ball bearing 5. 三點(diǎn)接觸球軸承 three point contact ball bearing 6. 四點(diǎn)接觸球軸承 four point contact ball bearing 7. 推力球軸承 thrust ball bearing 8. 單列雙向推力球軸承 single row double-direction thrust ball bearing 9. 雙排單向推力球軸承 doubel row single-direction thrust ball bearing Quality Assured - 100% testing ensures total product of NSK deep groove ball bearing NSK is the World Leader in deep groove ball bearings. 質(zhì)量保證:質(zhì)檢率高達(dá)100%,保證所有深溝球軸承均符合標(biāo)準(zhǔn)。NSK,全球深溝球軸承的領(lǐng)跑者! thrust [θr?st] n. 推力;刺 vt. 插入;插;推擠 vi. 用向某人刺去;插入;猛然或用力推 [ 過(guò)去式thrust 過(guò)去分詞thrust 現(xiàn)在分詞thrusting ] 軸承英語(yǔ)基礎(chǔ)知識(shí)培訓(xùn)(五)( 二、軸承零件: Closure 密封件 Ball complement 17. 止動(dòng)銷釘 anti-rotation pin [pin] 軸承英語(yǔ)基礎(chǔ)知識(shí)培訓(xùn)(7)( 21、尺寸:dimension [di'men??n] 22、直徑:diameter [dai'æmit?] 23、寬度:width [widθ, witθ] 24、長(zhǎng)度:length [l e?θ] 25、高度:height [hait] 26、角度:angle ['æ?ɡl] 27、半徑:radius ['reidi?s] 28、厚度:thickness ['θiknis] 29、軸向的:axial ['æksi?l] 30、徑向的:radial ['reidj?l] 軸承英語(yǔ)基礎(chǔ)知識(shí)培訓(xùn)(八)( 2、游隙:clearance ['kli?r?ns] 清除;清理;出清,出空 【機(jī)械】余隙,間隙 7、精度:precision [pri'si??n] n. 精確;精度,精密度 adj. 精密的,精確的 8、殘磁:residual magnetism [ri'zidju?l] n. 剩余;殘?jiān)?/span> adj. 剩余的;殘留的 ['mæɡnitiz?m] n. 磁性,磁力;磁學(xué);吸引力 9、表面質(zhì)量:surface quality ['s?:fis] n. 表面;外觀;表層 adj. 表面的,膚淺的 ['kw?l?ti] n. 質(zhì)量,品質(zhì);特性;才能 10、注脂量:grease fill [ɡri:s] vt. 涂脂于;賄賂 n. 油脂;賄賂 [fil] vt. 裝滿,使充滿;滿足;堵塞;任職 vi. 被充滿,膨脹 n. 滿足;填滿的量;裝填物 例句: This machine part was built to a tolerance of 0.01 millimeters. 這一機(jī)器部件的制造公差是0.01“毫米”。 這個(gè)軸承的徑向游隙是多少? What is the radial clearance of this bearing? PEER軸承具有壽命長(zhǎng),振動(dòng)噪音低等特點(diǎn). PEER bearing has the features of long life and low vibration noise etc. This process removes the steel hardness . 這一工藝去除鋼材的硬度。 什么是公稱倒角尺寸? What is the nominal chamfer size? 該軸承的注脂量要求是40-50%。 The grease fill requirement of this bearing is 40-50%. 軸承英語(yǔ)詞匯(九) 12、包裝:packaging ['pækid?i?] n. 包裝;包裝業(yè),包裝風(fēng)格 v. 包裝(package的ing形式 ) 13、表面處理:surface finishing ['s?:fis] ['fini?i?] 表面精加工,表面修整 14、螺釘:set screw [set] [skru:] 固定螺釘;定位螺釘 15、公稱尺寸:nominal dimension ['n?min?l] [di'men??n] 15、振動(dòng)/偏差:vibration [vai'brei??n] 16、鋼球等級(jí):ball grade [ɡreid] 17、清潔度:cleanliness ['klenlinis] 18、毛刺:burr [b?:] 毛口,毛邊,毛頭,毛刺 19、銹蝕:rust [r?st] n. 銹;生銹;銹病vt. 使生銹;腐蝕 vi. 生銹;成鐵銹色;變遲鈍 Does the packaging meet market criteria for performance and cost? 包裝是否符合市場(chǎng)標(biāo)準(zhǔn)的性能和成本? 清潔度對(duì)軸承的性能有很大影響. The cleanliness of bearing has a great influence on its performance. 外觀要求:無(wú)毛刺、銹蝕等。Appearance requirement: no burrs, rust etc. 2、鍛造 forging ['f?:d?i?]n. 鍛件,鍛造(法) 3、鑄造 casting ['kɑ:sti?]n. 投擲;鑄造;鑄件;角色分配 v. 投擲;鑄造;投向;選派演員;扔掉(cast的ing形式) 4、熱處理heat treatment[hi:t] ['tri:tm?nt] 5、車加工 turning ['t?:ni?]【機(jī)械工程】車削工作,車工工藝 In charge of the bicycle component heat treatment process parameter's setting and update. 負(fù)責(zé)自行車零件在熱處理工序的工藝參數(shù)設(shè)置和完善. The result indicated that the improper casting craft and turning processing led to the fracture. 結(jié)果表明由于鑄造工藝及車削加工的不當(dāng)導(dǎo)致了斷裂的發(fā)生。 6、光飾 tumbling ['t?mbli?]【工程】滾筒拋光 7、磨加工 grinding ['ɡraindi?] 磨制;研磨: 8、粗磨 rough grinding [r?f] ['ɡraindi?] 粗研磨 9、精磨 precision grinding [pri'si??n]【機(jī)械工程】精磨 10、超精 superfinishing [,sju:p?'fini?i?] 【冶金學(xué)】超級(jí)研磨 11、清洗 washing ['w??i?] 洗;洗滌,洗濯;洗凈 12、裝配 assembly [?'sembli] n. 裝配;集會(huì),集合 The new grinding machine passed all tests. 這臺(tái)新磨床通過(guò)了所有的試驗(yàn)。 Shall we start with the assembly line? 咱們從裝配線開(kāi)始看好嗎? 請(qǐng)大家注意下載。 軸承英語(yǔ)詞匯(十二) 5、Horizontal adj. 水平的;地平線的;同一階層的 n. 水平線,水平面;水平位置['h?ri'z?nt?l] 6、Vertical ['v?:tik?l] adj. 垂直的,直立的;頭頂?shù)?,頂點(diǎn)的 n. 垂直線,垂直面 7、Incline [in'klain] vi. 傾斜;傾向;易于 vt. 使傾斜;使傾向于 n. 斜面;斜坡;傾斜 8、Angle ['æ?gl] n. 角度,角 9、Arc [ɑ:k] n. ?。ǘ龋?;弧形物;天穹; adj. 圓弧的;反三角函數(shù)的vt. 走弧線;形成電弧 10、Scale [skeil] n. 刻度;比例;數(shù)值范圍;天平;規(guī)模;鱗 vi. 攀登;衡量;生水垢;剝落 vt. 攀登;測(cè)量;刮鱗;依比例決定 That instrument can record even very slight changes. 那臺(tái)儀器可以記錄甚至非常輕微的變化。 These machines have increased our work efficiency many times. 這些機(jī)器的使用使我們的工作效率提高了許多倍。 It flew straight as an arrow. 它直飛如箭。 The ground was horizontal to the flagpole. 旗桿直豎在地面上。 The northern side of the mountain is almost vertical. 這座山的北側(cè)幾乎是垂直的。 The road inclines to the left. 道路向左傾斜。 This map is drawn to a scale of 1 inch to 50 miles. 這幅地圖是以一英寸代表五十英里的比例繪制的。 軸承英語(yǔ)詞匯(十三) 11、Tolerance ['t?l?r?ns]n. 寬容,容忍 n.公差 12、Interchangeable [,int?'t?eind??bl]adj. 可互換的;可交換的;可交替的 13、Mechanism ['mek?niz?m]n. 機(jī)械裝置;機(jī)制;技巧;原理,途徑;進(jìn)程 14、Individual [,indi'vidju?l]adj. 個(gè)別的;個(gè)人的;獨(dú)特的 n. 個(gè)人,個(gè)體 15、Impractical [im'præktik?l]adj. 不切實(shí)際的,不現(xiàn)實(shí)的;不能實(shí)行的 16、Perfect ['p?:fikt]adj. 完美的;最好的;精通的vt. 使完美;使熟練n. 完成式 17、Worn [w?:n]adj. 用舊的;疲倦的 v. 穿;佩戴;磨損(wear的過(guò)去分詞) 18、Slight [slait]adj. 輕微的,少量的;脆弱的;細(xì)長(zhǎng)的;不重要的 vt. 怠慢;輕視,忽略n. 怠慢;輕蔑 20、Minus ['main?s]prep. 減,減去n. 不足;負(fù)號(hào),減號(hào);負(fù)數(shù) adj. 負(fù)的;減的. Twenty minus twelve equals eight. 二十減十二等于八。 Examine all parts and replace any damaged or worn components. 檢查所有部件,更換任何損壞的或磨損的部件。 軸承英語(yǔ)詞匯(十四) 六、機(jī)械常用詞 21、shaft [?ɑ:ft] n. 拍桿;軸;箭桿;桿狀物 22、steady ['stedi] adj. 穩(wěn)定的;不變的;沉著的 23、rotary ['r?ut?ri] adj. 旋轉(zhuǎn)的,轉(zhuǎn)動(dòng)的;輪流的 24、friction ['frik??n] n. 摩擦,摩擦力 26、efficiency [i'fi??nsi] n. 效率;效能;功效 27、assembly [?'sembli] n. 裝配;集會(huì),集合 28、groove[ɡru:v] n. 凹槽,槽;最佳狀態(tài);慣例 29、installation [,inst?'lei??n] n. 安裝,裝置;就職 30、transmission [trænz'mi??n] n. 傳動(dòng)裝置,變速器;傳遞;傳送;播送 The machine’s shaft should be replaced. 這臺(tái)機(jī)器的軸應(yīng)該更換了。 Is the table steady? 這個(gè)桌子平穩(wěn)嗎? Friction causes a rolling ball to stop finally. 摩擦力使得一只滾動(dòng)的球最終停了下來(lái)。 A computer consists of thousands of components.電腦由成千上萬(wàn)個(gè)部件組成。 These machines have increased our work efficiency many times.這些機(jī)器使我們的工作效率提高了許多倍。 Our assembly line paused because something went wrong with the mechanical arms.機(jī)械臂出問(wèn)題了,組裝流水線停止了工作。 寧波三泰軸承有限公司 胡旭輝 13065807009
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軸承制造專業(yè)英語(yǔ)
ABRASIVE WEARING: Damage to bearing parts caused by fine foreign particles which get in through badly worn or defective seal and/or lubricants. 多功能軸承:Timken 公司“AP”軸承,是一種成套的預(yù)裝配、預(yù)調(diào)整、預(yù)潤(rùn)滑、完全密封的軸承,在軸承安裝和拆卸過(guò)程中避免了軸承部件、密封或潤(rùn)滑油的污染或者損壞。 ALLOY STEEL: A steel containing iron and carbide plus one or more other metals such as nickel, chromium, or molybdenum. The Timken Company is a world leader in the production of high quality alloy steel. 退火:金屬熱處理的一道工序, 將金屬加熱到特定的溫度后冷卻并控制冷卻的速度,以達(dá)到軟化效果提高金屬可加工性。(參考:80%退火) 80% ANNEAL: Tempering operation; process of heating product to remove hydrogen from railroad product so the product does not crack. ANTI-FRICTION BEARING: All roller bearings are anti-friction devices; designed to prevent or minimize friction in machine operations through the use of rolling contact. If friction is not minimized, excessive heat and wear will severely limit the life and usefulness of machines. ANVIL: A small piece of ground and lapped steel attached to the frame of a micrometer; serves as a flat, fixed point from which measurements can be taken. APEX: The common point on the axis of a bearing where angular lines of each of the various tapered roller surfaces meet. APICES: Plural of Apex. AP BEARING: (See: All Purpose Bearing ) ASSEMBLED BEARING: A complete bearing assembly consisting of four basic component parts, the outer race (cup), the inner race (cone), the tapered rollers and the spacer-retainer for the rollers (cage). The "AP" Bearing also contains a spacer, seal, seal wear rings, axle end cap, cap screws, locking plate and backing ring. ASSEMBLY DEPARTMENT: Final Assembly and Inspect Department which takes finished bearing components (cones, rollers, and cages) and assembles and inspects them for final shipment to the customer. ATMOSPHERE: Elements that make up the air in a confined locality such as in a furnace. ATMOSPHERE CONTROLLED FURNACE: Furnace which uses endothermic base atmosphere which is formed by the partial reaction of a mixture of fuel, gas, and air in an externally heated, catalyst-filled chamber. AUSTENITE: High- temperature, solid form of steel; the non-magnetic form of iron; has the power to dissolve carbon and alloying elements. AUTOMATIC SCREW MACHINE: A Machine into which seamless steel tubing is fed onto spindles; a piece of product (cup or cone) is cut off each time the machine completes a cycle. Steel is either turned or formed via carbide tooling into a cup or cone. Also called Acme Screw Machine; manufactured by the National Acme Company. AXIS: A straight line about which an object rotates; a straight line about which the parts of a bearing are regularly arranged. The center line of a shaft serves as an axis for a bearing; the cup and housing remain stationary while the shaft and cone rotate OR the cone and shaft remain stationary and the cup and housing rotate around it. The relative motion of the cup and cone is accommodated by the rolling motion of the rollers. AXLE: Rod or spindle on, or with which a wheel revolves; the bar connecting two opposite wheels. The shaft, (axle) of an automobile fits through the bore of a cone of the tapered roller bearing. 輪軸:指帶輪子可以旋轉(zhuǎn)的桿或軸;或指兩端分別連接兩個(gè)相對(duì)放置的轉(zhuǎn)輪的橫軸。汽車的輪軸與圓錐滾子軸承的內(nèi)圈配合在一起。 AXLE END CAP: Cast iron part used to lock a Timken Company railroad bearing assembly onto the end of a chassis (axle); not produced by The Timken Company, purchased from several other companies for use with The Timken Company railroad bearing assemblies. B 返回頂部 BACK FACE-CONE: The heavy or large outer diameter end of a cone; the wide end of a cone. With exception of unit cone. 內(nèi)圈大端面:內(nèi)圈中較厚或內(nèi)圈外徑較大的那一端面;或內(nèi)圈中較寬的那一端面。多列成套內(nèi)圈沒(méi)有大端面之說(shuō)。 BACK FACE-CUP: The heavy end of the cup; the back face fits against the back housing when the bearing is installed for use. BACK FACE RADIUS: The radiused surface at the intersection of the back face and the inner diameter of cone and outer diameter of cup. BACKING PLATE: Piece of tooling that attaches to the workhead of a machine which supports the product to be ground. BAD CHAMFER: Chamfer that is eccentric, nicked, torn and/or undersized and which is either scrap or repair. BAR: Term used interchangeably with tubing or steel tubing. BATCH: (See: Economic Lot Size ) BATCH PROCESS: A method of processing or production in which large quantities of material, information or goods are accumulated and then processed to completion as a unit. Such a process is used, for example, in the manufacturing of a variety of chemical products. (See: Continuous Process) BEARING: Part of a machine on which another part revolves, slides, etc. Types of bearings include: Tapered Bearings, Ball Bearings, Sleeve Bearings, Air Bearings, etc. BEARING STAND: (See: Stand) BEVEL: An angled part or surface; to slope at an angle. BEVEL PROTRACTOR: A tool for measuring an angle or marking angles. BILLET: An unfinished bar or circular of steel, or iron. The Timken Company seamless tubing is made from billets. BIT: The biting, cutting or penetrating part of various tools; the moveable boring or drilling part used in a carpenters brace; a drilling machine. Anything that curbs or restrains. Also: A computer term which refers to the smallest possible unit of information utilized by the computer. 鉆頭:不同工具的尖銳的部位,用于鉆孔,切削及打孔;木匠用的手拉曲柄鉆的可移動(dòng)的鉆頭;一種鉆孔工具。任何限制或約束。也稱比特,一個(gè)計(jì)算機(jī)術(shù)語(yǔ),指計(jì)算機(jī)里的信息的最小單位。 BLANK: The circular piece of metal which has been cut from a flat piece of steel but which is not yet punched or perforated into a form nearing that of a completed cage. BLANKER: First stage of operation in cage department which forms the cage; forms steel to approximate outer diameter and height, also cuts unused portion of strip into short lengths for scrap removal. BLUEPRINT: A mechanical drawing, detailed plan, or outline. Most common prints used in the Railroad Bearing Business are Tooling Prints, or Product Prints. BLUING / BLUE UP: Process of using blue dye to coat a surface of a master, gauge, or piece of product to check a flat, circular, or tapered surface. The results of the bluing process show surface irregularities and/or dimensional defects. BORE: The process of enlarging an existing hole with a rotating cutting tool. BORE SIZE: The inner diameter of a cone, which accommodates a shaft. BRAD: A thin, wire nail; sometimes peened on one end. BRIDGE: The vertical portion of the cage that actually spaces each roller properly around the cone assembly. BRINNEL HARDNESS TEST: An indentation test commonly used for soft steel and metals, which measures diameter of an indentation made by a steel ball under a given load. BUPI WASHER: Special piece of equipment used to wash tooling and Unipac bearings. BURN: A defective area caused by overheating during various grinding operations, usually causing discoloration or flat spots to the product. Some burns can only be determined by an acid test, some can be seen visually; they occur on front faces, back faces, ribs, outer diameters, and inner diameters. Also called Grind Burn Injury. BURNISH: To make shiny by rubbing; gloss, polish. BURR: A rough, raised piece or bit of metal; when a bearing is gouged it leaves raised areas of metal around the gouge which are referred to as burrs. BUTT END: The piece of steel tube left over after the last cup or cone has been cut in the screw machine operation. Most butt ends are returned to C 返回頂部 CAGE: Spacer used to maintain proper roller distribution around cone in assembled bearing; holds unit together. 保持架:軸承組件中用于使?jié)L子保持一定間隔分布在內(nèi)圈滾道上的裝置。 CAGE SCRAP: Scrap produced during the process of stamping out cages. CARBIDE: A very hard and brittle carbon compound molded to form cutting tools. Also used as wear strips in gauging devices such as reference stops and surface plates. CARBURIZING: The process of heating steel to a high temperature for a specific period of time while in contact with a material or gas which is high in carbon content. This forces carbon into the outer surface of the steel. Timken Bearing parts have a hard, wear resistant outer surface and a relatively soft, tough inner core. CASE: The hardened, high carbon, outer surface of a piece of metal or steel. CAVE: (See: Nib) CHAMFER: The flat surface formed by cutting away the sharp edges of two meeting surfaces. CHAMFERING MACHINE: A machine which completes the green turning operation; it removes the sharp edges of cups and cones. CHATTER: Surface defect on a given piece of product; defect appears as a wavy pattern of lines. CHECKER: A Job Checker is an appointed Application Engineer within Product Management. This Application Engineer will check the quality, accuracy, and thoroughness of your work on an engineering job. CHERRY RED: The term used to refer to a certain temperature range of hot product; cherry red process means observing hot product and guessing the temperature of product by its color. CHIP: (See: Spall) CHIPS: Scrap bits of metal which are removed during the screw machine operation and caused by metal turning operations; they are returned to CLOSE IN: A quality control process which selects cages by random sample and which temporarily assembles them into a complete bearing; purpose is to determine whether or not the assembled bearing meets proper specifications. COCKING: Undesirable defect caused by blanks or cages not seated or aligned in dies properly. COLLET PAD: Part of a green machine which has serrated teeth and which holds the steel tubing in place during the green machining operation. COMPLETE CHANGE: The process of making changes necessary to produce a new part number series. Also referred to as a set up. CONCENTRIC: Circles or diameters which have identical centers. CONE: One of four basic components of the assembled bearing; also referred to as the inner race. The bore of the cone accommodates the shaft, which runs through the bearing assembly. CONTINUOUS PROCESS: A method of processing or production in which raw materials are continuously fed in and finished products continuously drawn off without interrupting operations. Many Timken bearing plants use continuous lines. (See: Batch Process ) CONTROL CHART: A graphical chart with upper and lower limits and plotted values of some statistical measure for a series of samples; used in the process of monitoring temperature, gas flows, and size control. (See: X-Bar Chart , R-Bar Chart ) CONTROLLED CONTOUR: A profile following a designated pattern; cones that are dubbed or rounded into the undercut and recess of cone raceways; a profile following a designated pattern. CONTROLLED COOLING: Process by which steel is cooled from an elevated temperature in a predetermined manner to avoid excessive hardening, cracking or internal damage. A process to produce a desired microstructure or mechanical properties. CONTROL LIMITS: Limits on a control chart, which is used as criteria for judging the significance of variations between samples or subgroups. COOLANT: Fluid used to remove heat from tooling and pieces of product as they pass through the manufacturing process. CORE: The soft, ductile, low-carbon inner area of a hardened piece of product. CORROSION: The destruction of a metal by chemical or electrochemical reaction with its environment. CRACK: Surface defect on product caused by improper heat treating process during the process of producing steel. CREW SHEET: Planning sheet which lists by name the employees assigned to a given work crew. CRIB: Unit used to store tooling; a storage system for jobs that have to be machined ground, inspected, etc. CRITICAL TEMPERATURE: Temperature at which, upon heating, a steel transforms into the structure called Austenite. For most steels this occurs between 1350 degrees F. and 1500 degrees F. 臨界溫度:鋼材加熱使得內(nèi)部結(jié)構(gòu)產(chǎn)生奧氏體時(shí)的溫度。通常大部分鋼材的臨界溫度在華氏1350 度到1500 度之間。 CROWN: A convex surface on the raceway of a cone or the outer diameter of a roller. Degree of curvature cannot be determined by the naked eye. CUP: One of four basic components of the assembled bearing. Also referred to as the outer race; the cone assembly fits into the cup. CUTTING FLUID: Fluid applied to a cutting tool to assist the cutting operation by cooling, lubricating, or other means. CYCLE TIME: Amount of time product spends in a furnace at specified temperature for the purpose of carburizing or hardening product. Also total time for any machine to cycle through a series of operations. D 返回頂部 DAMAGED GREEN: Any defect on a piece of product which was caused during the green machining operation or prior to the time the product is hardened. DAMAGED HARD: Any defect on a piece of product which was caused during the hardening process, or any damage occurring after green machining up to and during the hardening or carburizing process or at any time prior to the grinding operation. DAMAGED OUTER DIAMETER: Any damage to outer diameter; can be caused by any of the manufacturing operations or by mishandling of the product. DATE CODE: One or more letters and numbers stamped on cups and cones to indicate the month and year they were produced. The Engineering Department provides the, letter date code, which is used instead of the customary numerical date system. DE-BURR: Removal of sharp edges of product left by cutting tools. DELAY TIME: The inadvertent delay in the manufacturing of product; production temporarily stopped. DIE: Various tools or devices for stamping, cutting, or shaping. DIMENSIONAL INSPECTION: Method used to check product made by machines and then gauges using masters and dial indicators to check them in comparison to blueprint specifications. DISPATCH: Centralized radio communication center for the purpose of facilitating communicationamong all departments of The Timken Company. DOG KNOTS: Steel left on perforated cage surfaces. Usually caused by excessive clearances on cutting surfaces, undesirable defect. DOUBLE RECESS: Green roller defect of the large end recess caused by punch and head operations being misaligned. DRAG OUT: Defect on the inner diameter, outer diameter, or faces; undesirable spiral grind lines caused by too much pressure when the cutting tool or grinding wheel left the piece of product. DROP HARDENING: The process of dropping small cups and cones and all rollers directly from the drop hardening furnace into an oil bath which quenches them. DROP WORK: Slang term for cups and cones which have been drop hardened. DUB OFF: Crown finish used to relieve pressure of the roller against the cone. (See: Crown) E 返回頂部 EARS: Excessive burr left at top corners of perforated cage; undesirable defect. (See: Burr) ECCENTRIC: Circles or diameters not having the same exact centers. ECONOMIC EFFECTIVELY MANAGING MAINTENANCE ACTIVITIES: Procedure for planning and executing all maintenance activities efficiently; procedure tracks, summarizes, and records those activities. ELECTRONIC STATISTICAL PROCESS CONTROL: Timken Company developed software for PC based data collection and Statistical Process Control or SPC. END OF PUN: Attention to a given amount of product has been completed in one department and is ready to be sent to the next department. EP LUBRICANT: Special extreme pressure lubricant which prevents metal to metal contact of mating parts and which imparts to rubbing surfaces the ability of carrying greater loads than would be possible with ordinary lubricants; prevents excessive wear or damage to parts. F 返回頂部 FACE GRINDING: Parallel grinding of the front face and back face of cups and cones; usually done on Gardner Grinders. Removal of stock from faces of cups and cones while maintaining size, parallelism. FERRITE: A room temperature structure of steel formed when slow cooled from above the critical temperature. Low in carbon and relatively soft. FINGER: As in perforator finger refers to perforator punch; as in carrier bar, refers to the jaws that pick up, carry, and release cages in next operation. FIRE POINT: The temperature to which a combustible liquid must be heated so that the released vapor will burn continuously when ignited under specific conditions. FLASH: Green roller defect, caused by excessive stock forced out between taper die and head die. FLAT ROLLERS: Undesirable rollers produced from scored wire. FRACTURE TEST: A method of breaking sample product into pieces for test purposes. FRICTION: Factor, which makes it difficult to slide one object over another, slows down motion and makes parts wear due to increase in temperature. FRONT FACE-CONE: Front face of a cone is at the small outer diameter end of the cone; the narrow end of a cone. The surface that is perpendicular to the inner diameter. G 返回頂部 GAULDED ROLL: Defect on the cage caused by punches, which do not move freely on the center pin; cause a deformed bottom or side of cage. GIB: A machine part, usually tapered, that is used on slides for adjustment purposes. GONDOLA: Railroad car used to ship metal scrap. GRAPHITE: A crystalline form of carbon having a laminar structure; of natural or synthetic origin. GREASE: A lubricant of oil or oils thickened with a soap, soaps, or other thickener to a semi-solid or solid consistency. Conventionally, greases used by The Timken Company Bearing Operations are petroleum oils of some viscosity and thickened by soap. GREEN: Product which has not yet been heat treated. GREEN CONTROL NUMBER: Numerical system, which is used in the scheduling of product to be green machined and carburized. GREEN MACHINE SCHEDULE: Daily, computerized schedule of tubing stock organized by outer diameter size, to be run on the screw machines per customer requirements. GREEN MACHINING: The initial green machine operation which takes steel tubing and cuts it into cups or cones; the term green refers to turned product that has not yet been carburized nor hardened. GRIND: Precise removal of stock from a given piece of product by way of grinding action. H 返回頂部 HARDENING: Case hardening process whereby the carburized outer surface is made hard and strong while the center (core) is made tough and flexible. HARDENING CONTROL NUMBER: Numerical system used in the scheduling of product moving through the hardening operation. HARDSTOCK: The rollers, cups, or cones, which have gone through the heat treat process and are ready for grinding. HEADER MACHINE: Cold forging machine used to produce rollers. HEADER STOCK: Coils of wire which are cut and headed to form rollers. Header stock is also referred to as wire. HEADING: The process of transforming wire stock (steel rods) into rollers by a cold forming operation which compresses a wire slug into a header die. HEAD PULL: Green roller defect caused by improper machine timing; results in nick or indent of large end of radius. HEAT TREAT: Process used on most alloy steels to provide desired metallurgical properties and to put them in the most suitable condition for machining or other subsequent operations. A combination of heating and cooling operations which create the desired ductility or case hardness desired in the product. HIGH SPEED HEADER: Newer type of cold forging machine which produces rollers at a faster rate than the old style machine. HOIST: An apparatus which exerts a force for the purpose of lifting or lowering. HONE: To smooth or finish; to polish. A process used to smooth a ground surface. HONE NOT FINISHED: Defect on honed surface; finish ground surface not cleaned up adequately by the honing operation. HONER: Machine which uses honing tape to improve surface finish of cups, cones, and races. HOOKS: Undesirable visual defect at large end of cage pocket. Protrudes out causing cage to cock when transferred from press station to next station. (See: Burr) HOPPERS: Containers of many types used to store cups, cones, rollers, or cages. HYDRAULICS: The science dealing with water or other liquids in motion; its uses in engineering and all the laws governing its action. HYDROMATION: A system for filtering and cleaning fluids previously used in machining operations. I 返回頂部 IN-PROCESS PRODUCT: Product which exists somewhere between the beginning and final stages of completion. INSPECTION: The process of checking product to make sure it is of excellent quality; can be done visually or by using gauges. That which can be done with the naked eye is called visual inspection; that which is done by gauges is called dimensional inspection. INTERCHANGEABILITY: Bearing parts manufactured in one Timken Company Plant are interchangeable with those made in every other plant throughout the world. INVENTORY: An itemized list of capital; or given amounts of product. INVENTORY SHUTDOWN: One or two-week span of time at the completion of each fiscal year; reserved for the purpose of taking inventory for accounting purposes. Usually the last week of June and 1st week of July. IRON: A pure metal which serves as the basis for steel, cast iron, stainless steel, etc.; relatively weak and soft when in pure form. ISIR: Initial Sample Inspection Report. This report is required by many automotive companies and some larger industrial accounts. This is their mechanism to assure them that the customer is supplying a quality product manufactured to spec. The customer usually requests this when they will use a new bearing for the first time. It also can occur when The Timken Company has significantly changed the process or design to manufacture the bearing. K 返回頂部 KNOCK DOWN: To disassemble a previously assembled bearing; the cage is cut or spread and discarded and the rollers and cones are salvaged and reprocessed. L 返回頂部 LAMINATED: A strip steel condition appearing as a separation within the steel surfaces; an undesirable condition. LARGE INSIDE DIAMETER: The large end of the cup raceway. LOBE: High points on a given surface ranging from 3 to 7 as measured on a Lobe Gauge. (See: Chatter) LOT: A group of units (bearing parts) used for convenience in scheduling or material handling. LOTS TO CLEAN: Metal pallets of 12 pans each, which are waiting to be shot blasted. M 返回頂部 MAGNA GLOW: Process used to detect very small cracks; uses magnetic particles and inspection under an ultraviolet light. MAINTENANCE ACTIVITY CARD: Card used in the management of maintenance activities. (See: EMMA) MENDER: The acronym MENDER stands for: MEASURE - PHYSICAL ITEMS EVALUATE - RESULTS SCIENTIFICALLY NEEDS - IDENTIFY AND RECORD DEVELOP - ACTION PLAN EXPENSES - CONSIDERED AND APPROVED REPORTING – RESULTS MENDER is a predictive maintenance program that is designed to define a machine's condition and recommend the action required to correct any faults in order to reduce machine downtime for mechanical delays. METALURGICAL SAMPLE: A sample slug, part, or section of a carbonized, or hardened steel used for testing to determine structure, hardness, case depth, etc. MICROINCH: A unit of measurement for surface finish; measured in millionths of an inch. MICROMETER: Instrument used to measure various distances, angles, etc. MICROSTRUCTORE: The fine, internal structure of steel resulting from being heated to a critical temperature then quickly quenched. The microstructure, or how the parts that make up steel are arranged, controls how the bearing will perform. 微觀組織結(jié)構(gòu):鋼材被加熱到臨界溫度以上然后迅速淬火形成的微觀內(nèi)部組織結(jié)構(gòu),微觀組織結(jié)構(gòu)或者說(shuō)鋼材內(nèi)部組織是如何排列的將決定軸承的性能。 MIL: One thousandth of an inch. The Mil is commonly used to describe the thickness of thin items such as trash bag, The 1Mil is the one that won't get you to the street and the 2Mil is the heavy weight. MULTICHECK GAUGE: Gauge which has the capability of measuring more than one dimension of a piece of product. N 返回頂部 NEC: NATIONAL ELECTRIC CODE, the standards concerning anything to do with electrical work. NIB: Green roller defect on the small end radius; caused by taper die failure. A sharp protrusion on the small end of the roller. NITAL ETCH: Process of checking surfaces of ground product for cracks or burns by use of a series of acids and neutralizers. NOISE DOSIMETER: Instrument used to measure in decibels the amount of noise an employee is exposed to over an eight hour work day. NO GO: Indicates that an order for product has not been satisfied; the term may imply a rush on the order because the customer needs have not vet been met. NO STOCK: Surface of any piece of product which does not have enough stock to grind off in order to grind it to the correct size; usually visible as black, irregular area below abrasive contact. NO STOCK ID: Defect on inner diameter; large NCU condition indicating lack of stock for regrinding within specifications, machined undersize in green operation or caused by error in hardening process. NOT CLEANED UP: Defect found on any surface of a piece of product; the rib or other surface did not clean up adequately during the grinding operation. Also called no stock. (See: No Stock ) 不完全加工:零件任何一個(gè)表面的缺陷;擋邊或其他表面磨削過(guò)程中沒(méi)有完全完成工藝需要。 NOT TO MAN: Scrap produced by an operator which is not charged to him. NOT TO PRINT: Product or machinery which is not made to concur with blueprint specifications. NPM: New Product to Manufacture, is a system used for production. It replaced part number tooling data release (PNTDR) system. NPR: New Product Request; system to obtain management approval, feasibility to manufacture product and obtain price of the product. New product request must precede other systems, such as SPO, NPM and POR. O 返回頂部 ON TIME DELIVERY: A measure of pieces delivered to a customer within a given period vs. the expected pieces to be delivered. The customer can be internal or it can be the actual customer receiving the product. This is expressed as a percent and the actual method of determining delivery can vary by area. OPERATIONAL SCRAP: Work that is scrapped prior to completing all operations on a line. OTD: (See: On Time Delivery ) OUT OF ROUND: Product that is elliptical (egg-shaped) and having its maximum diameter 90 degrees from the smallest diameter. OUT OF TOLERANCE: Product which is produced outside of the blueprint specifications; product that is either below minimum or above maximum values assigned. OEE: Overall Equipment Effectiveness, a measure of actual pieces produced for some period vs. the pieces possible for the same period expressed as a percent. P 返回頂部 PEANUT: Small sized pieces of product. Also called peanut product. PERFORATOR: Fourth stage of operation in the cage department. Simultaneously cuts out all pockets required in blank, maintaining proper top dimensions. PIECEWORK: Incentive pay plan expressed in pieces. PIERCER: Second stage of operation in the cage department; removes the bottom stock from the blank to the approximate inner diameter of the finished cage. PIPING: A strip steel condition appearing as an overlap on the steel surface; this is an undesirable defect. PIT: 1) A reservoir that holds cutting solution in green machining operation. 2) Type of furnace used for heat treating bearing components. PITTED: Small indentations appearing as black dots on finished surfaces of any piece of product; undesirable surface defects. PLUG FURNACES: Retort, shaker, and hearth type hardening furnaces. (See: Plug Hardening ) PLUG HARDENING: Process of maintaining proper size of larger cups and cones during the heat treat and quenching processes; sizing plugs are inserted into each piece of product during quenching. PLUS OR MINUS: Areas to the left or right of "0" on an indicator used to measure stock or a given dimension; larger or smaller than a given size. POCKET: Holes in the cage which hold the rollers; Also refers to the large end recess of the roller. Also that portion of the taper die which forms the body of the roller. POR: Prototype Order Request, a system to obtain prototype bearings. PROFILE: The true picture of a surface in relation to a horizontal line; a contour of a designated surface of a cup, cone, or roller. PROFILOMETER: A compact, direct reading electronic instrument for measuring the height of surface roughness in microinches (millionths of an inch). PUNCH BOTTOM: (See: Piercer) Q 返回頂部 QUENCH CRACKS: Cracks formed in a steel part during or after quench, resulting from high stresses in cooling; could be caused by water in the quench oil. QUENCHING: The process of rapid cooling from an elevated temperature. The product is placed in contact with liquids or gases, usually oil, water, or air. QUILL: Cut off die. R 返回頂部 R-BAR CHART: A chart that charts and monitors the variation or spread of a statistical population, used in statistical process control. R-DOUBLE BAR: The average of the R-Bars, used in statistical process control. RACEWAY: Also called a race; the tapered surface of either a cup or cone. The surface against which rollers revolve. RADIAL LOAD: The load that is caused by forces seeking to tilt, bend, or shove a shaft out of line. (See: Thrust Load ) RADIAL FORCE: The load on a bearing perpendicular to the axle, this and the Thrust load are forces that affect the design and application of bearings. RECHAMFER: Defect on radii and chamfer; defective chamfer such as nicks that are considered to be repairable. RED PAN: Pan of product at each screw machine; painted red to indicate that it is scrap. Red pan product is returned to RE-RADIUS: Denotes the need to correct defective radii on product such as nicked, torn, or undersized radii. REPAIR: Product that is either visually or dimensionally out of tolerance but which can be repaired. RIB: The cone has a rib at each and of the raceway. Ribs are at each end of the rollers when the bearing is assembled. Each cone has a large rib and a small rib which help position the rollers and keep the assembly from coming apart once the cage is closed in. (See: Unit Bearing ) RIB STOCK: Extra steel left on green product to be ground during the finish grind operation. RING: To tap an item; to check for cracks; the testing of a grinding wheel. ROCKWELL HARDNESS: An indentation hardness test which measures hardness by determining thedepth of penetration of a steel ball or diamond sphero-conical penetrator into the piece to be checked.The hardness number is related to the depth of indentation; the greater the number the harder thematerial. ROLL: To reduce the size and change the shape of steel by squeezing it between large steel cylinders in a rolling mill. Most rolling operations are performed on hot metal but there are also cold rolling operations. ROLLER: One of four basic components of an assembled bearing. The roller is tapered, has a somewhat spherical shape and when assembled fits against the large rib of the cone. The rollers roll freely between the cup and the cone. ROLLER SIZE REPORT: Daily computer printout sent from ROUGH HONE: Grinding. RUN ALL STEEL AT MACHINE: Instruction from supervisor to operator to use up all available steel at machine. RUN ALL STEEL IN YARD: Instruction from Production Planning Department to supervisors and stock checkers to use up all tubing and steel stored in the yard or storage area. RUN OUT: An undesirable condition that exist when the products outside diameter and inside diameter is not concentric. (See: Out of Round ) RUN OUT STEEL: Instruction to green machine operator to complete a scheduled job, to finish cutting the bar (tubing) and then refrain from loading any more tubing on the machine. RUST: Type of defect found on any surface of, any piece of product which appears as stain or corrosion resulting from atmospheric conditions or handling. S 返回頂部 SAMPLE: One or more pieces of product taken from a larger group of product for the purpose of judging the quality of the larger collection. SAMPLE SIZE: Limited number of pieces of product that are pulled from a total group for the purpose of checking them for quality. SCALE: Oxidization of iron that forms on the surface of hot steel exposed to air or oxygen. SCALLOPING: (See: Wavy) SCARF: Process of removing build-up of oil and dirt crust from wood block shop floors. SCORE: A flat surface mechanically cut into round header wire to identify that portion of wire to be metallurgically defective. This operation is done at the Gambrinus Roller Processing Plant. SCRAP: When product that is either visually or dimensionally out of tolerance and can not be repaired; product that does not conform to blueprint tolerances. SET UP: Typically, the process of changing the tooling on a production machine tool in order to produce a different bearing component part number. SHOE: Top and/or bottom castings used to hold tooling in place on machine tools or presses. SHORT FEED: Product that was not cut to length on green machine. SHOULDER: Defect found on rib or outer diameter; a raised edge on rib face caused by grinding wheel; raised surface at either end of outer diameter raceway. SIZE GROUP CODE: (See: Size Group Commodity Code ) SIZE GROUP COMMODITY CODE: System The Timken Company uses to classify thousands of different component part numbers; organizes them into manageable and identifiable groups or lot sizes for production forecasting, scheduling, and control. Also called Size Group Code. SIZER: Third stage of operation in the cage department; size blanks uniformly to proper outer diameter length and inner diameter dimensions. SKID: Wooden skids used to haul materials and supplies. SKIP LOT SAMPLING: The random inspection of incoming items purchased by The Timken Company which causes some lots to be sampled and others to be skipped. SLOPPY: Extreme limits of tolerance, usually outside. SLUDGE: An insoluble material formed as a result of either deterioration reactions in an oil or by contamination of an oil, or both. SLUG: Portion of blank removed by perforator operation; small portion of a winged or spread cage cut out, caused by cocking; removed portion of blank at piercer operation. (See: Piercer, Cocking) SLUICE WAY: Trench under all screw machines, which carry chips and coolant to one of two pits. SLUSHING OIL: Oil or grease-like material used on metals to form a protective coating against rust, corrosion, etc. SMALL INSIDE DIAMETER: Small end of the cup raceway. (See: Raceway) SOAKING: Prolonged heating of a metal at a selected temperature. SOFT PRODUCT: Product that has not been properly hardened due to some problem in the heat treat process. SPALL: Rupture beneath the surface of a bearing part, which develops into a crack which lengthens and branches until a surface chip results. The chip is called a spall. SPINDLE HEAD: Part of a machine, which supports and drives the grinding wheel. SPLINE SHAFT: Shaft that connects the stock reel carrier to the machine; type 2 5/8" Conomatic L.F. SPO: Special Product Orders, special instructions to manufacture special (not standard) bearings in production environment. SPREADER: Sixth stage of operation in the cage department; enlarges bottom of cage pockets for roller and cone assembly. STAND: Overall width of the assembled bearing; refers to the combination of sizes of the cone, outer diameter, cup, inner diameter, and roller. STEEL: A mixture of iron, carbon, and other elements which can be heat treated to have a range of desirable properties, notably strength, hardness, and durability. STOCK: Term has a variety of definitions; see specific department for clarification. STOCK REEL: Support reel for cone tubing on 2 5/8" Conematic L.F. and also 4 1/2" Acme. STORE: Centralized location for storage of parts, tools, safety equipment, etc., in the Railroad and Bearing Plants. Requisitions must be filled out for each item 'purchased. Requisition designates department, machine, and reason for usage. STRIP: Flat rolled steel used in the forming of cages. Hot or cold rolled to specified thickness, slit to specified widths and wrapped into coils. STUCK PUNCH: Term used interchangeably with Gaulded Roll. (See: Gaulded Roll ) T 返回頂部 TAIL: As in wire tail. The end, or last few feet of a coil of wire. TAPER: Any surface of any bearing part that is not the correct angle or not to print. TAPER GRIND: Grinding process which produces angled surfaces, may be intentional or unintentional depending on blueprint specifications. TEAR DOWN: To dismantle a machine set up on a machine or the disassembly of a previously assembled bearing. TEMPER: Process of re-heating hardened steel to a temperature below critical temperature followed by a desired rate of cooling; reduces brittleness in hardened steel; removes internal strains caused by sudden cooling in the quench process, give steel greater ductility and toughness. Also called aging or tempering. THRUST LOAD: The load caused by forces seeking to thrush a shaft lengthwise. (See: Radial Load ) TIGHT IN CENTER: Condition of inner diameter of cone; inner diameter is not straight. TOLERANCE: An allowable variation in the dimensions of a mechanical part; a minimum and maximum value assigned for the product to function properly; the product limits (plus or minus) as allowed by blueprint specifications. TOOL AND GAUGE INSPECTION: The metrology lab or standards department. The Tool and Gauge Department is the Timken Company link to the NIST - National Institute of Standards and Technology. Using proper measuring techniques and calibrated measuring systems, our masters, gauges and gauging devices are linked to NIST through NIST certified gauge Blocks and devices certified byappropriate venders. TOPS: Refers to thickness of steel left at upper end of pocket, measured in height. (See: Pocket) TUBING: Seamless steel tubing used to make cups and cones, etc.; produced by The Timken Company. TUMBLERS: Cleaning units used to clean oxidized scale from rollers. U 返回頂部 UNDERCUT: Tool used to cut away steel of the cone; leaves a void which is also called an undercut, at the roll race and rib intersection of the cone to assist the grinding operation. UNIPAC: A pre-assembled, pre-lubricated, bolt-on Timken unit bearing assembly designed for front wheel automotive applications. UNIT BEARING: An automotive bearing used that is sold as an assembled set and is non-adjustable; characterized by a cone with no large rib. V 返回頂部 VISUAL INSPECTION: The examination of product against a known visual standard. W 返回頂部 WAVY: Strip steel condition causing top rim to be visually uneven. (See: Scalloping) WHISKERS: Slivers of steel left at top rim, or bottom of cage pocket, on cage; a undesirable defect. WINGER: The fifth stage of operation on a cage press that forms angle on bridges for proper roller angle, roller projection, and proper pocket length for finished cages. 邊翼加工:在成品保持架橫梁上沖壓成型角度的第五道工序,來(lái)滿足合適滾子角度、滾子注入和合適 WIRE: Round steel stock used in the production of rollers; cold drawn to a specified diameter and wound WORKHEAD: Part of a machine that helps position, hold, and drive the rotation of the product. X 返回頂部 X-BAR CHART: A chart that plots and monitors the centering of a statistical population. Part of statistical X DOUBLE BAR: The average of the X-Bar data. Y 返回頂部 YELLOW PAN: (See: Operational Scrap ) 0574-87220315 87220319 87220519
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