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Base for wave spring and component of base

A wave spring and base technology, applied in the field of linear stepper motors, can solve problems such as large contact stress, material damage in the contact area, failure, etc., and achieve the effects of reducing preload force, preventing overload, and improving overall performance

Active Publication Date: 2014-02-26
CONTINENTAL AUTOMOTIVE WUHU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] As another example, when one of the contact surfaces in contact with the wave spring 1 (such as the upper surface of the base 2') is a plastic plane, the high stress in the contact area will destroy the material, resulting in failure
Specifically, during preloading, the conventional base 2' has a large contact stress due to the small contact area with the wave spring 1, which poses a challenge to bases made of low-strength materials such as plastic materials.

Method used

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  • Base for wave spring and component of base
  • Base for wave spring and component of base
  • Base for wave spring and component of base

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Embodiment Construction

[0023] image 3 A base 2 according to a preferred embodiment of the invention is shown.

[0024] Such as image 3 As shown, at least a part of the base 2 (especially the surface part that will cooperate with the wave spring) is provided with an undulating structure, thus forming a wave shape. In the wave shape of the base 2, the number of crests 3 and troughs 4 can be the same, the undulating structure of the wave can be designed according to a sinusoidal curve, and the undulating amplitude of the wave can be slightly lower than that of the compressed wave spring 1 .

[0025] Figure 4 An assembly 5 according to a preferred embodiment of the invention is shown, comprising a base 2 and a wave spring 1 mounted to the base 2 . Since at least a part of the surface of the base 2 is also wave-shaped, the wave spring 1 is easily matched with the base 2 . For example, the wave spring 1 can be slid to a proper position through auxiliary methods (including but not limited to vibrati...

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PUM

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Abstract

The invention provides a base for a wave spring. A surface, for mounting the wave spring, of the base is designed to be wavy, so that the wave spring mounted on the base is adaptive to the surface of the base. In addition, the invention further provides a component composed of the wave spring and the base.

Description

technical field [0001] The invention relates to the technical field of linear stepping motors, more particularly, to a base used for a linear stepping motor and matched with a wave spring. Background technique [0002] figure 1 and figure 2 A prior art wave spring 1 and base 2' are shown separately. In the conventional design, the wave spring 1 realizes the pretension of the parts by being compressed by the two parts. The preload of the parts is mainly used to eliminate the axial clearance of the bearing, improve the rotation accuracy, rigidity, life of the bearing and reduce vibration and noise. In conventional designs, the contact surfaces of the compressed wave spring 1 are usually two planes. For applications with alternating loads or impact loads in the axial direction, the conventional design must ensure sufficient preload to overcome high loads. If the preload is too large, the transmission efficiency will be low, and the friction, wear and temperature rise of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F1/26
Inventor 陈坤洪电程涛
Owner CONTINENTAL AUTOMOTIVE WUHU