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INA滑块 > 公司新闻 >

轴和轴承室公差的选择与控制

日期:2019-05-31 07:20 作者:ina 阅读:
轴承压入轴承后应转动灵活无阻滞感。ina导轨金属或其它材料制成的槽或脊,可承受、固定、引导移动装置或设备并减少其摩擦的一种装置。导轨表面上的纵向槽或脊,用于导引、固定机器部件、专用设备、仪器等。ina滑块材料本身具备适当的硬度,耐磨性,足够承受运动的摩擦。滑块上的型腔部分或型芯部分硬度要与模腔模芯其它部分同一级别。INA滑块是在模具的开模动作中能够按垂直于开合模方向或与开合模方向成一定角度滑动的模具组件。 当产品结构使得模具在不采用滑块不能正常脱模的情况下就得使用滑块了。如有明显转动不灵活,则表明轴的尺寸太大了,公差要下调。如推力圆柱滚子轴承压入轴后用手转动有明显 ;沙沙 ;感,则可能是轴的公差太大或轴的圆度不好。所以在控制好轴和轴承室公差时也要控制好圆度,目前国内很多厂家只对公差进行控制,没有对圆度进行控制。

型号
Designation
尺寸
Dimensions
基本额定载荷
Basic Load Ratings
极限转速
Limiting Speed
重量
Mass
dDB
r1
min.
r
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动  Cr
Dynamic
静  Cor
Static
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