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一篇知晓文章知晓直线导轨的特性体现在那几个方面?

来源:http://www.jngongrun.com/ 日期:2021-09-13 发布人:admin

1、定位精度高使用直线导轨作为线性导引时,由于直线导轨的摩擦方式为滚动摩擦,不仅摩擦系数降低至滑动导引的1/50,动摩擦力与静摩擦力的差距亦变得很小,因此当床台运动时,不会有打滑的现象发生,可达到超高精密级(um)级定为精度。

1. High positioning accuracy when using the linear guide rail as the linear guide, because the friction mode of the linear guide rail is rolling friction, not only the friction coefficient is reduced to 1 / 50 of the sliding guide, but also the gap between dynamic friction and static friction becomes very small. Therefore, when the bed moves, there will be no sliding phenomenon, and the ultra-high precision level (UM) can be achieved.
2、磨耗少能长时间维持精度传统的滑动引导,无可避免的会因油膜逆流作用造成平台运动精度不好,且因运动时润滑不充份,导致运行轨道接触面的磨损,严重影响精度,而滚动导引的磨耗非常小,故机台能长时间维持精度。
2. Less wear can maintain the accuracy for a long time. The traditional sliding guidance will inevitably cause poor motion accuracy of the platform due to the countercurrent effect of oil film, and the insufficient lubrication during movement will lead to the wear of the contact surface of the running track, which seriously affects the accuracy. However, the wear of rolling guidance is very small, so the machine can maintain the accuracy for a long time.
3、使用高速度运动且大幅降低机台所需驱动马力由于直线导轨移动摩擦力非常小,只需较小动力便能让床台运行,尤其是在床台的工作方式为经常性往返运动时,更能明显降低机台点力损耗量,且因其摩擦产生的热度较小,可适用于高速运行。
3. Use high-speed movement and greatly reduce the driving horsepower required by the machine. Because the moving friction of the linear guide rail is very small, the bed can be operated with less power. Especially when the working mode of the bed is regular round-trip movement, it can significantly reduce the point force loss of the machine, and the heat generated by its friction is small, so it is suitable for high-speed operation.
4、可同时承受上下左右的负荷由于直线导轨特殊的束制结构设计,可同时承受上下左右方向的负荷,不想滑动导引在平行接触面方向可承受的侧向负荷轻,易造成机台运行精度不好。
4. It can bear up, down, left and right loads at the same time. Due to the special beam structure design of the linear guide rail, it can bear the loads in the up, down, left and right directions at the same time. It does not want to slide and guide. The lateral load that can be borne in the direction parallel to the contact surface is light, which is easy to cause poor operation accuracy of the machine.
5、组装容易并具互换性组装时只要铣削或研磨床台上导轨之装配面,并依建议之步骤将导轨,滑块分别特定扭力固定于机台上,既能重视加工时的高精度,传统的滑动导引,则须对运行轨道加以铲花,既费事又费时,且一旦机台精度良,又必须在铲花一次,直线导轨具有互换性,可分别更换滑块或导轨至是直线导轨组,机台即可重新获得高精密度的引导。
5. The assembly is easy and interchangeable. During assembly, as long as the assembly surface of the guide rail on the machine table is milled or grinded, and the specific torque of the guide rail and sliding block are fixed on the machine table according to the recommended steps, it can not only pay attention to the high precision during processing, but also the traditional sliding guidance, the running track must be scratched, which is both time-consuming and time-consuming. Once the machine table precision is good, it must be scratched again, The linear guide rail is interchangeable. The sliding block or guide rail can be replaced to the linear guide rail group respectively, and the machine can regain high-precision guidance.
6、润滑结构简单滑动引导若润滑不足,将会照成接触面金属直接摩擦损耗床台,而滑动导引要润滑充足并不容易,需要在床台适当的位置钻孔供油,直线导轨则已在装置油嘴,可直接以注油枪打入油脂,亦可换上专用油管接头链接供油油管,以自动供油机润滑。
6. The lubrication structure is simple. If the sliding guide is not lubricated enough, it will cause direct friction loss of the metal on the contact surface of the bed. However, it is not easy for the sliding guide to be lubricated enough. It is necessary to drill holes at the appropriate position of the bed for oil supply. The linear guide rail has been installed at the oil nozzle of the device, and the grease can be directly injected with the oil gun. It can also be replaced with a special oil pipe joint to link the oil supply pipe to lubricate the automatic oil supply machine.

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