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Manufacturing method of integral herringbone gear shaft

A manufacturing method and gear shaft technology, applied in the field of gear shaft manufacturing, can solve problems such as expensive equipment, difficult maintenance, and precision errors, and achieve the effects of improving bending strength and reducing gear diameter

Active Publication Date: 2010-08-18
SHANGHAI ZHENHUA HEAVY IND GRP NANTONG TRANSMISSION MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Herringbone gear shafts were processed on conventional gear hobbing and grinding machines before, but due to the problem of tool retraction, integral herringbone gear shafts cannot be processed. Usually, left-handed and right-handed are processed separately, and then left-handed and right-handed are combined. At the same time, there must be precision errors in the process of processing, installation and cooperation, and the existing hobbing and gear grinding machines that can directly process integral herringbone teeth are not only expensive, but also difficult to repair after damage

Method used

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  • Manufacturing method of integral herringbone gear shaft
  • Manufacturing method of integral herringbone gear shaft

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specific Embodiment approach

[0025] Such as figure 1 A specific embodiment of a manufacturing method of an integral herringbone gear shaft of the present invention is shown, including the following steps:

[0026] A. Material preparation: forging workpiece;

[0027] B. Use a drill press to drill the center hole at both ends of the workpiece;

[0028] C. The first car: Lathe the outer circle, end face and root R of each block lifting shoulder on the lathe to make the gear shaft 1, and leave a margin of 4mm on one side when turning the outer circle, and leave a margin of 4mm on one side when turning the end face. 24mm, turn the root R to the predetermined size, and chamfer;

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Abstract

The invention discloses a manufacturing method of an integral herringbone gear shaft, which comprises the following steps that: material preparation: a center hole is drilled on one end of a work piece; primary machining; primary detection; heat treatment; secondary machining; secondary detection; rough milling; chamfering at the gear end; coating anti-carburizing layers on both ends of the herringbone gear shaft so that the depth of a carburized layer is 3.55 to 3.95mm, and quenching so as to enable the hardness of a gear part to reach HRC58 to 62, and to enable the hardness of the heart to reach HRC28 to 33; carrying out shoot peening on a gear surface; tertiary machining; gear shaping; external grinding; fine milling; and inspection. The manufacturing method of the integral herringbone gear shaft has the advantages of improving the bending strength of the gear root, reducing the manufacturing cost and improving the manufacturing precision.

Description

Technical field: [0001] The invention relates to a manufacturing method of a gear shaft, in particular to a manufacturing method of an integral herringbone gear shaft. Background technique: [0002] Herringbone gear shafts were previously processed on conventional gear hobbing and gear grinding machines, but due to the problem of tool retraction, integral herringbone gear shafts cannot be processed. Usually, the left-handed and right-handed shafts are processed separately, and then the left-handed and left-handed gears are combined. At the same time, there must be precision errors in the process of processing, installation and coordination, and the existing hobbing and gear grinding machines that can directly process integral herringbone teeth are not only expensive, but also difficult to repair after damage. Invention content: [0003] The object of the present invention is to overcome the above disadvantages and provide a method for manufacturing an integral herringbone ...

Claims

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Application Information

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IPC IPC(8): B23P15/14
Inventor 汪南王小椿
Owner SHANGHAI ZHENHUA HEAVY IND GRP NANTONG TRANSMISSION MACHINERY