OEM/ODM Manufacturer Thread Ball Valve - bearing shell – DONGYI

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 according to the relative motion between components being plane motion or spatial motion, it can be classfied into plane connecting rod mechanism and spatial connecting rod mechanism.According to the number of components in the mechanism, it can be classfied into four-rod mechanism,five-rod mechanism etc.. Normally,the connecting rod mechanism of five rods and over five rods is named as multi-rod mechanism. When the degree of the connecting rod is 1, it is named as single freedom connecting ...


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OEM/ODM Manufacturer Thread Ball Valve - bearing shell – DONGYI Detail:

 according to the relative motion between components being plane motion or spatial motion, it can be classfied into plane connecting rod mechanism and spatial connecting rod mechanism.According to the number of components in the mechanism, it can be classfied into four-rod mechanism,five-rod mechanism etc.. Normally,the connecting rod mechanism of five rods and over five rods is named as multi-rod mechanism. When the degree of the connecting rod is 1, it is named as single freedom connecting mechanism; When the degree of the freedom of connecting rod is greater than 1,it is named as multiple freedom connecting rod mechanism. According to the kinematic chain of the connecting rod machanism being open chain or closed chain , it can be classfied into open chain connecting rod mechanism (mainpulator is normally a spatial open chain connecting roe machanism with its kinematic pair being revolute pair of sliding pair ) and closed chain connecting rod mechanism. As the components of plane connecting rod mechanism with single closed loop are at least  numbered 4, so the simplest plane closed chain connecting rod mechanism is four-rod mechanism. Other multiple rod closed chain mechanism is only to increase rods on that basis ;as the number of the  components of spatia connecting rod mechanism with single closed loop is  at least 3,so it can be spatial thrree-rod mechanism composed of three components.

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OEM/ODM Manufacturer Thread Ball Valve -
 bearing shell – DONGYI detail pictures

OEM/ODM Manufacturer Thread Ball Valve -
 bearing shell – DONGYI detail pictures


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We emphasize progress and introduce new merchandise into the market each and every year for OEM/ODM Manufacturer Thread Ball Valve - bearing shell – DONGYI, The product will supply to all over the world, such as: Dubai , Istanbul , Kuwait , Based on products with high quality, competitive price, and our full range service, we have accumulated professional strength and experience, and we have built up a very good reputation in the field. Along with the continuous development, we commit ourselves not only to the Chinese domestic business but also the international market. May you moved by our high quality products and passionate service. Let's open a new chapter of mutual benefit and double win.
  • The company has a good reputation in this industry, and finally it tured out that choose them is a good choice.
    5 Stars By Denise from Italy - 2018.06.21 17:11
    We have been appreciated the Chinese manufacturing, this time also did not let us disappoint,good job!
    5 Stars By jari dedenroth from luzern - 2017.08.18 18:38
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