Machining method for automobile transmission disk gear
An automobile transmission and mechanical processing technology, which is applied in metal processing equipment, manufacturing tools, turning equipment, etc., can solve the problems of inability to process, increase the cost of transmission, etc., and achieve the effect of ensuring product quality, ensuring consistency, and reducing production costs
Inactive Publication Date: 2017-05-24
CHONGQING LANDAI POWER TRANSMISSION MACHINERY
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Problems solved by technology
The disc gear cannot be processed by the existing technology, and it is currently imported by foreign manufacturers, which greatly increases the cost of the transmission
Method used
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Embodiment Construction
[0017] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:
[0018] Such as figure 1 As shown, the machining method of the disc gear of the automobile transmission has the following steps:
[0019] 1) The first finishing turning: clamp the outer circle of the hollow short cylindrical blank, and finish turning the inner hole and the right end surface of the blank on the lathe to reduce the machining allowance of the inner hole and the right end surface, and finish the machining of the inner hole and the right end surface. A groove is processed on the right part of the groove, and the part of the inner hole on the right side of the groove is the light hole segment φD;
[0020] 2) The second finish turning: use the inner hole to locate the workpiece after the first finish turning, then finish turning the left end surface and outer circle of the workpiece on the lathe, and remove the machining allowance of the left end su...
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Abstract
The invention discloses a machining method for an automobile transmission disk gear. The machining method for the automobile transmission disk gear includes the steps of (1) first time of finish turning; (2) second time of finish turning; (3), spline pulling; (4) hobbing; (5), heat treatment; (6), third time of finish turning; and (7) gear grinding. According to the machining method for the automobile transmission disk gear, by ingeniously arranging the positioning reference, a gradual finish turning process is adopted, machining of the spline small diameter phiC, the unthreaded hole segment phiD and a right end face B are completed at a time after the heat treatment, and therefore the reliability and consistency of the positioning reference are guaranteed. The machining method for the automobile transmission disk gear can achieve machining of a novel disk gear of an automobile transmission, and breaks through the abroad technology blockade, and the production cost can be effectively reduced while the product quality is guaranteed.
Description
technical field [0001] The invention belongs to the technical field of a transmission assembly, and in particular relates to a machining method for a disk gear of an automobile transmission. Background technique [0002] At present, the mechanical processing technology of disc gears inside the automobile transmission assembly has gradually matured in many enterprises. The processing technology of disc gear parts is generally: turning - rolling - heat treatment - finishing turning after heat - grinding after heat. For general internal spline hole parts, the machining reference is mostly small diameter positioning or large diameter positioning. There is a new type of automobile transmission disc gear, such as figure 1 As shown, the outer circumference of the disc gear is provided with external teeth, and a spline is provided in the inner hole, and the left end of the spline has a small spline diameter φC, and the right end of the inner hole is a light hole, and a groove is f...
Claims
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IPC IPC(8): B23P15/14C21D9/32B23B5/00
CPCB23P15/14B23B5/00B23P2700/50C21D9/32
Inventor 韩锦杨键王忠奇黄文春
Owner CHONGQING LANDAI POWER TRANSMISSION MACHINERY