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Company name: Nantong Gaorun Machine Tool Accessories Co., Ltd

Contact person: Mr. Chen

Tel: 05837868

Fax: 0513-83697868

Mobile phone: 13962731568

         18012236066

Email: ntgrjc @ 163.com

Address: No.8 Weizhi Road, 300m north of xiaohuaqu, Qidong City

Website: zuiqiushi.com

The return of ball screw pair will produce noise

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The return of ball screw pair will produce noise

Date of issue: 2020-01-07 Author: Click:

Ball screw pair Return will produce noise, slow down the ball and cause paper jam. They are also a source of lubrication leaks. Because of its reliability, the guide screw has become one of the common linear motion devices.

The development of modern machining can make the lead error less than 1 micron. This is why they can be found in linear actuators for machine tools, aerospace control, precision platforms and many industrial devices.

However, the screw is limited. The high friction between the thread and the nut produces friction. As a result, the efficiency of the guide screw is 50%. Of course, friction also generates heat, limiting speed to a few hundred rpm. In addition, due to the gap between threads, there is a gap.

For some applications, such as actuation and rough low load positioning, efficiency is not so important and backlash can be tolerated. But for many other aspects, which are high load CNC machining, these limitations are important.

Low efficiency requires a much larger drive motor, and the clearance will interfere with the servo control. Many attempts to clean recoil with preload will result in greater friction and reduce efficiency to less than 30%. The return system uses nut skills.

The axial deflector (two black parts at the end of the nut) causes the ball to flow back through the nut, thus allowing the rated speed of the screw. One of the ball screw designs commonly used in ball screw design is to extend out of the nut and provide a return path back to the start of the ball track inside the nut.

But the return of the tube forces each ball to change direction by 90 degrees. At the end of each tube. This movement change can lead to high friction loss and increase the risk of ball sticking. This also increases the friction torque variation.

 Ball screw pair


Website: http://zuiqiushi.com/news/1763.html

key word: Model of ball screw , Principle of ball screw pair , Ball screw manufacturer

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