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Method for producing a ring gear for a planetary transmission and an integrated part system with such a ring gear

A planetary transmission and ring gear technology, applied in the field of integrated parts system, can solve problems such as disadvantage, high cost, and cost increase

Active Publication Date: 2021-07-16
BUHLER MOTOR GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this not only increases the cost, but also increases the manufacturing time of the ring gear
[0005] High costs are especially disadvantageous when small series of planetary drives are to be produced
Such small batches cannot be produced at low cost with hitherto manufacturing methods

Method used

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  • Method for producing a ring gear for a planetary transmission and an integrated part system with such a ring gear
  • Method for producing a ring gear for a planetary transmission and an integrated part system with such a ring gear
  • Method for producing a ring gear for a planetary transmission and an integrated part system with such a ring gear

Examples

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Embodiment Construction

[0040] figure 1 A planetary gear 1 is shown schematically, which is formed by a ring gear 10 and a planet wheel 22 which engages in a sun wheel mounted on a shaft 21 . The ring gear 10 includes a ring gear body 12 and an internal toothing 11 is formed on the inner side of the ring gear body 12 . The ring gear body 12 is cut to a cut length C.

[0041] In the assembled state, the planetary gear can be operated in different configurations. In one embodiment, ring gear 10 is stationary, that is, it does not rotate by itself during operation. The driven end is then assumed via the planet gears 22 which rotate around the sun gear. The shaft 21 connected to the sun gear is used as the drive end.

[0042] In a further exemplary embodiment, the ring gear 10 is designed to be rotatable. Here, the driven end can be assumed by the ring gear 10 , while the shaft 21 serves as the drive end.

[0043] Of course, the reverse configuration is also conceivable in other embodiments, in whi...

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Abstract

The production of the ring gear ( 10 ) for the planetary gear ( 1 ) has hitherto not been adequately solved. The high costs, especially in the case of changing requirements, are a disadvantage. This problem is solved by a method for manufacturing a ring gear (10) for a planetary transmission (1), wherein a continuous profile (16) is produced by an extrusion molding process and the continuous profile (16) is subsequently cut into Predetermined cutting lengths (C, C1, C2, C3) to form ring gear bodies (12, 12', 12", 12"').

Description

technical field [0001] The invention relates to a method for producing a ring gear for a planetary gear, a ring gear and an integrated part system with such a ring gear. Background technique [0002] Planetary gears are well known and are preferably used in many fields of application due to their small size and the high torques achieved in this case. In a planetary gear, the toothing of several planetary gears engages from the outside into the toothing of a sun gear mounted on a shaft. Furthermore, the toothing of the planet gears engages in the toothing of the ring gear surrounding the planet gears. The ring gear thus forms the outer boundary of the planetary gear. [0003] Hitherto, especially in the low-power sector, such ring gears have been produced by injection molding. [0004] The disadvantage of manufacturing by injection molding is the high cost, especially for the manufacture of injection molding tools. For each size of the ring gear, that is to say for exampl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C49/00F16H55/17
CPCB29C2793/0027B29C2793/009B29D15/00B29L2015/00B29C48/09B29C48/12F16H55/17F16H2055/176B29L2015/003
Inventor 奥拉夫·里希特丹尼尔·基希格斯纳
Owner BUHLER MOTOR GMBH
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