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BcEwFw滚针和保持架组件页滚针和保持架组件产品概览滚针和保持架组件.................................................................002特性滚针......................................................................................003工作温度...............................................................................003保持架...................................................................................004其它产品...............................................................................004后縀......................................................................................004设计与安全指南滚道设计...............................................................................004轴向定位...............................................................................005精度内部径向游隙........................................................................005尺寸表滚针和保持架组件,单列......................................................006滚针和保持架组件,单列和双列...........................................007滚针和保持架组件,单列......................................................014001产品概览滚针和保持架组件单列K102149a双列K..-ZW102146其它产品曲柄销轴承布置用滚针和保持架组件KZK102153a活塞销轴承布置用滚针和保持架组件KBK102154002滚针和保持架组件特性滚针和保持架组件是由保持架和滚针组成的单列或双列轴承单元。单列设计符合DIN5405-1。横截面高度非常小因为其径向截面与滚针的直径相同,滚针和保持架组件可以应用于非常小的轴与轴承座内部空间。此类轴承承载能力高,适于高速而且特别易于安装。如果滚道具有高的加工精度,轴承可以获得相应高的运转精度。内部径向游隙受滚针组别及轴和轴承座公差的影响。滚针和保持架组件要求作为滚道的轴和轴承座表面需要淬硬和磨削加工。双列只供应有特殊包络圆直径FW的双列滚针和保持架组件。用后縀ZW表示。滚针根据下表中标准滚针分组提供滚针和保持架组件。每个滚针和保持架组件只包含同一组别的滚针。包装上印有组别并印有代表组别的颜色代码,请见下表。每组提供上、下偏差(单位m),昀大尺寸公差2m,请见下表。对每种情况,两个相邻的滚针组别匹配使用。标准滚针分组工作温度滚针和尼龙保持架组件的工作温度为–20°C到+120°C。组别对应颜色代码滚针组别m红色0–2/–1–3蓝色–2–4/–3–5白色(灰色)–4–6/–5–7003滚针和保持架组件保持架滚针和保持架组件的保持架有尼龙保持架和冲压钢板保持架。尼龙保持架的后縀为TV且只有特殊尺寸。其它产品滚针和保持架组件也可用于连杆:■KZK系列用于曲柄销轴承布置■KBK系列用于活塞销轴承布置。有关这些滚针和保持架组件的详细说明在样本TPI94,曲柄销和活塞销用滚针和保持架组件。后缀现有设计的后縀:请见下表。现有的设计设计与安全指南滚道设计与滚针和保持架组件配合的轴承座孔和轴上的滚道必须淬硬和磨削。滚道表面硬度必须达到670HV+170HV,硬化深度CHD或SDH必须足够大。滚道设计,见轴承布置设计对应的表和章节。滚道设计后縀说明设计TV玻璃纤维增强尼龙66保持架。带尼龙保持架的轴承:如尺寸表所示标准ZW双列设计(适用于特定尺寸)轴径内径公差轴公差表面粗糙度圆度平行度公称尺寸mm轴承游隙大于到小正常大max.max.max.–80G6j5h5g6Ra0.2(Rz1)IT3IT3H6h5g5f680120G6h5g5f6Ra0.3(Rz1.6)120–G6h5g5f6Ra0.4(Rz2.5)H6–f5e6004滚道宽度滚道宽度必需不小于保持架宽度Bc(Bc加工为负(–)公差);Bc值,请见尺寸表。轴向端面间的距离公差为H12,如图1。与滚针和保持架组件配合的轴向运行面必须精加工(Ra2推荐值)且具有耐磨性。轴向定位滚针和保持架组件必须轴向定位。它们的定位通过卡环或者合适设计的周边结构,如图1和图2。如果通过卡环或定位环来定位,必须在卡环或定位环的前部放一个垫圈。必须确保在定位环和垫圈间有足够的过盈量。精度滚针轴承和保持架组件的宽度,符合DIN5405-1。内部径向游隙当使用标准滚针组别时,能获得C2到CN的径向游隙(滚针和圆柱滚子轴承的径向游隙符合DIN620-4),前提是轴和轴承座的公差符合滚道设计表,第004页。若实际尺寸均是正公差,可得到大小为零的内部径向游隙。图1滚道宽度和轴向工作面BCH12BC–0.2–0.8R2aR2a00014A73图2通过周边结构进行轴向定位00014A74Bc−−0802,,005滚针和保持架组件单列KBcEwFw102021a尺寸表·单位:mm型号质量尺寸基本额定载荷疲劳极限载荷极限转速参考转速mFwEwBc动载荷Cr静载荷C0rCurnGnBgNNNmin–1min–1K3X5X7-TV0.3357154012901525000078000K3X5X9-TV0.4359171014801885000080000K3X6X7-TV0.436714309701094700075000K4X7X7-TV0.5477174012701454250059000K4X7X10-TV0.74710233018402364250059000K5X8X8-TV0.7588235019202373900048000K5X8X10-TV0.95810300026503503900047000K6X9X8-TV0.8698260022802853650041000K6X9X10-TV1.16910335031504203650040000K6X10X13-TV1.961013380031003953550040000K7X9X7-TV0.6797173017702153550040000K7X10X8-TV0.97108285026503303450036000K7X10X10-TV171010365036004853450035000K8X11X8-TV18118310030003753250032000K8X11X10-TV1.281110395041005603250031000K8X11X13-TV1.781113510058007903250030500K8X12X10-TV281210500047005603150029000K9X12X10-TV1.591210450050006803100027500K9X12X13-TV2.191213590071009703100027000K10X13X10-TV1.6101310475055007502950024900K10X13X13-TV2.31013136200780010602950024400K10X13X16-TV2.91013167100930013102950024600K10X14X10-TV2.5101410580060007202900023500K10X14X13-TV4.61014137500840010202900023000K10X16X12-TV5.51016128100720010002750021800K12X15X10-TV2.9121510490061008302700021500K12X15X13-TV2.31215136400850011702700021100K12X16X13-TV5.51216138000940011502650019900K12X17X13-TV4.912171396001040013302650018800K12X18X12-TV612181210000990014002600018100006尺寸表(续)·单位:mm型号质量尺寸基本额定载荷疲劳极限载荷极限转速参考转速mFwEwBc动载荷Cr静载荷C0rCurnGnBgNNNmin–1min–1K14X18X1041418107100850010602500017300K14X18X136.514181382001010013202500017700K14X18X15-TV514181595001230015402500017400K14X18X178141817108001440018902500017300K14X20X128.5142012103001060014902430016200K15X18X17-TV4.615181780001210017302460017700K15X19X1051519107500920011402430016200K15X19X13715191385001090014202430016600K15X19X179.5151917113001560020402430016200K15X20X13715201399001150014302390015900K15X21X1511152115143001640022102360014700K15X21X2117152121194002430033002360014400K16X20X105.51620107800990012302360015200K16X20X137.516201389001180015302360015600K16X20X1710162017117001680021902360015200K16X22X1210162212115001250017802290014300K16X22X1612162216148001750023902290014100K16X22X2017162220183002280030502290014000K16X24X2022162420214002350029502240013200K17X21X105.517211081001060013102290014400K17X21X136.5172113104001460018102290014100K17X21X179.5172117122001790023502290014400K18X22X10618221084001130014002240013600K18X22X13818221392001270016502240014200K18X22X1711182217121001800023602240013900K18X24X1212182412128001490021202180012700K18X24X1313182413131001530019902180012900K18X24X2018182420202002700035502180012400K18X25X2223182522231002900037
本文标题:STBAPU 保持架及冲压外圈滚针轴承
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