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南京INA轴承振幅的高速削力 来源:御狮轴承   点击:次   日期:2018-08-22 11:48

在高速磨削中,磨削力小,变质层薄,不易燃烧,提高了加工精度和效率。南京INA轴承主轴的动静态刚度和速度特性对低噪声球轴承的磨削振动有影响。磨削系统振动小。采用随机动平衡技术,提高了轴承的抗振性和刚度。国外(中国等)磨头振动速度约为正常主轴的十分之一,这对提高砂轮和油石的切削性能和修整质量具有重要意义。

In high speed grinding, the grinding force is small, the metamorphic layer is thin, and it is not easy to burn, which improves the machining accuracy and efficiency. The dynamic and static stiffness and velocity characteristics of Nanjing INA bearing spindle have an effect on the grinding vibration of low noise ball bearings. The grinding system has little vibration. Adopting random dynamic balancing technology, the vibration resistance and stiffness of bearing are improved. Abroad (China, etc.) grinding head vibration speed is about one-tenth of the normal spindle, which is of great significance to improve the cutting performance and dressing quality of grinding wheel and oil stone.

目前,中国砂轮油石的主要问题是结构均匀性差,严重影响了低噪声球轴承的磨削和过加工质量,充分冷却,提高了过滤精度,提高了南京INA轴承精密进给系统的进给分辨率。降低阀杆和进给惯量,合理磨削和过加工工艺参数和流量不容忽视,磨料保留率小,形状公差和位置公差严格,中小球轴承直径不应超精密磨削;粗磨;GRI;磨削和磨削不应分开,以保证良好的表面质量。

At present, the main problem of grinding wheel oil stone in China is poor structural uniformity, which seriously affects the grinding and overmachining quality of low noise ball bearings, fully cooling, improving the filtering accuracy, and improving the feed resolution of Nanjing INA bearing precision feed system. Reduce valve stem and feed inertia, reasonable grinding and over-machining process parameters and flow can not be ignored, abrasive retention rate is small, shape tolerance and position tolerance is strict, small and medium ball bearing diameter should not be ultra-precision grinding; rough grinding; GRI; grinding and grinding should not be separated to ensure good surface quality.

定位基准是为了提高南京INA轴承加工基准的精度,减少磨削误差。通过径向槽铣刀间接传动通道的超精密外径误差,分析了外径误差对通道超精密度的影响。如果工件在传输过程中出现颠簸,它会直接反射到滚道表面,影响轴承振动。

The positioning datum is to improve the accuracy of Nanjing INA bearing processing datum and reduce the grinding error。 Through the ultra-precision outer diameter error of the indirect drive channel of the radial groove milling cutter, the influence of the outer diameter error on the ultra-precision of the channel is analyzed。 If the workpiece bumps during transmission, it will directly reflect to the raceway surface, affecting bearing vibration。

因此,必须采取以下措施:南京INA轴承提高定位基准形状的精度;在不突出的过程中平稳地传递;使坯料误差的形状和位置不太大,特别是当残余误差较小时,会导致过大的误差。FI。端面磨削精度和超精密端面形状精度没有提高到最终质量要求,严重影响了进给速度。工作质量的一致性。

Therefore, the following measures must be taken: Nanjing INA bearing to improve the accuracy of the positioning reference shape; in the process of non-prominent smooth transmission; so that the shape and position of the blank error is not too large, especially when the residual error is small, will lead to excessive error. FI. The precision of end grinding and the shape precision of ultra-precision end face are not improved to the final quality requirement, which seriously affects the feed speed. Consistency of work quality.

因此,南京INA轴承由高性能、高稳定性机床系统组成的自动线磨削方法最适合于超低噪声球轴承加工,避免了颠簸,减少了传动误差,消除了人为因素,提高了加工效率和质量。保持南京INA轴承一致性,降低生产成本,提高企业效率。

Therefore, the automatic line grinding method of Nanjing INA bearing, which is composed of high performance and high stability machine tool system, is most suitable for the processing of ultra-low noise ball bearings。 It avoids bump, reduces transmission error, eliminates human factors, and improves processing efficiency and quality。 Maintain the consistency of INA bearings in Nanjing, reduce production costs and improve enterprise efficiency。

 

文章来自:南京SKF轴承 www.wh-skf.com

The article is from: Nanjing SKF bearing www.wh-skf.com

文章来自:南京INA轴承 www.xzahg.com

The article is from: Nanjing INA bearing www。ina-china。cn

文章来自:南京NSK轴承 www.klbbearings.com

The article is from: Nanjing NSK bearing www。klbbearings。com

 

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