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Improved loaded ball screw having thread profile showing in a cross section a multiple pointed gothic arch shape

A ball screw, preloaded technology for belts/chains/gears, machinery, transmissions, etc.

Active Publication Date: 2008-02-27
SHUTON
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is not covered in the DIN-69051 standard, ISO-3408 standard and UNE15-43994 standard

Method used

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  • Improved loaded ball screw having thread profile showing in a cross section a multiple pointed gothic arch shape
  • Improved loaded ball screw having thread profile showing in a cross section a multiple pointed gothic arch shape
  • Improved loaded ball screw having thread profile showing in a cross section a multiple pointed gothic arch shape

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Experimental program
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Effect test

Embodiment Construction

[0046] The present invention will be described in detail below with reference to the embodiments in the accompanying drawings.

[0047] With reference to Fig. 1, it represents the sectional view of the profile of novel screw thread, and thread profile has multi-point pointed arch, and each arch comprises two structural centers, and the contact angle of multiple points (5.3) of ball (4) is determined by nut Defined by the multipoint pointed arch (5.1) of (2) and the multipoint pointed arch (5.2) of the lead screw (3), the consistency coefficient of the radius of the arch line and the diameter of the ball is the same as that of the nut (2) and the lead screw (3) The radial-axial tolerance between the coaxial fit together.

[0048] Figure 2 shows the structural design of the multi-point pointed arch (5.1), each arch includes two structural centers, each pair of structural centers (5.1.2) corresponds to overlapping pointed arches, and the radius of the pointed arch (5.1.3) It has...

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Abstract

Improved preloaded ball screw (1) the thread of which has a profile in the shape of a multiple pointed gothic arch (5.1) so that the ball rolls with many contact points (5.3), producing a guiding of the ball along multiple parallel rolling tracks (6) maintaining the position of the center of the ball (4.1).

Description

technical field [0001] The present invention relates to a preloaded ball screw, the thread profile of the screw is multi-point arched, so that the ball rolls with multiple contact points, so that it rolls along multiple parallel rolling tracks to maintain the position of the center of the ball, Freedom of rotational motion is eliminated, friction between the balls is reduced, and stiffness is increased due to less deformation under compression. [0002] The ball screw forms a linear relationship with the rotary motion transmission mechanism, and vice versa. It has high position accuracy and load transmission capacity. Part 3 and Parts 1, 2 and 3 of the UNE-15-43994 standard have relevant descriptions and definitions. [0003] A ball screw basically consists of 5 active elements: [0004] - Lead screw, which is a cylindrical shaft with a grooved helical thread of semicircular section on its outer surface, the section being rounded or pointed. [0005] - Nuts, which are cylin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H25/22
CPCF16H25/2204F16H2025/2242F16H25/22
Inventor 佩德罗·玛丽亚·安多内吉亚·阿吉尔雷格蒙兹科尔塔
Owner SHUTON