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Gear shaping method by using Y54 gear shaper

A technology of tooth processing and gear shaping machine, which is applied in the field of improvement of gear shaping processing methods, can solve the problems of exceeding the drawing requirements, long construction period, and scrapping, and achieve the effects of shortening the processing cycle, reducing processing costs, and ensuring processing quality

Active Publication Date: 2011-01-26
AECC AVIATION POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for single-piece and small-batch production, it is not economical to make a dedicated gear shaper cutter, and the construction period is long; in addition, after the gear shaper cutter has been ground many times, the indexing circular tooth thickness of the gear shaper cutter is often smaller than that of the processed part Although the tooth groove width on the indexing circle is processed by this gear shaper cutter, although the diameter of the dedendum circle meets the drawing requirements, the indexing circle tooth thickness is often greater than the drawing requirements, resulting in out-of-tolerance or scrapping

Method used

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  • Gear shaping method by using Y54 gear shaper
  • Gear shaping method by using Y54 gear shaper
  • Gear shaping method by using Y54 gear shaper

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Example 1: The number of teeth Z2 of a processed part in a steel plant is 32, the diameter of the indexing circle of the processed part is Df = φ192mm, the indexing circle tooth thickness of the processed part specified in the drawing is S2 = 6.54mm, and the tooth root circle of the processed part is the diameter is The number of teeth Z1 of the selected gear shaping cutter is 20, and the gear shaping steps are as follows:

[0045] 1. Calculate the number of teeth of the split-tooth hanging gear:

[0046] A 1 B 1 × C 1 D 1 = 2.4 × Z 1 Z 2 = 2.4 × 20 32 = 60 50 × 40 ...

Embodiment 2

[0058] Example 2: The number of teeth Z2 of a processed part in a steel plant is 63, the diameter of the indexing circle of the processed part is Df = φ378mm, the indexing circle tooth thickness of the processed part specified in the drawing is S2 = 7.54mm, and the tooth root circle of the processed part is The diameter is φ390 +0.05 , the number of teeth Z1 selected for the gear shaping cutter is 18, and the gear shaping steps are as follows:

[0059] 1. Calculate the number of teeth of the split-tooth hanging gear:

[0060] A 1 B 1 × C 1 D 1 = 2.4 × Z 1 Z 2 = 2.4 × 18 63 = 60 70 × ...

Embodiment 3

[0072] Example 3: The number of teeth Z2 of a processed part in a steel plant is 66, the diameter of the indexing circle of the processed part is Df = φ330mm, the indexing circle tooth thickness of the processed part specified in the drawing is S2 = 7.68mm, and the tooth root circle of the processed part is The diameter is φ340+0.05mm, the number of teeth Z1 of the selected gear shaping cutter is 20, the calculated value of Zb is equal to 6, and the split gears are A1=64, B1=66, C1=66, D1=88, S1=7.98mm , the gear shaping steps are as follows:

[0073] 1. Calculate the number of teeth of the split-tooth hanging gear:

[0074] A 1 B 1 × C 1 D 1 = 2.4 × Z 1 Z 2 = 2.4 × ...

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Abstract

The invention belongs to the gear shaping field and relates to an improved gear shaping method by using a Y54 gear shaper. The tooth thickness of the reference circle of a used gear shaper cutter is less than the tooth-space width of the reference circle of a processed part; the gear shaping method comprises the steps of: computing the tooth number of a distribution change gear; carrying out the first gear processing; solving the tooth thickness difference Delta S of the reference circle of the processed part; computing the number Zb of the shift gears; rotating a second gear pair driven gear of the distribution change gear for Zb teeth to ensure that the processed part rotates along the reference circle for the tooth thickness difference Delta S; and carrying out the second gear processing. The invention can guarantee the processing quality without manufacturing a special gear shaper cutter, shortens the processing period, reduces the processing cost and improves the passing rate of the processing.

Description

technical field [0001] The invention belongs to the field of gear shaping processing and relates to an improvement of a gear shaping processing method using a Y54 gear shaping machine. Background technique [0002] Y54 gear shaping machine is mainly used for machining medium modulus gears. Under normal circumstances, the gear shaper cutter is fully adapted to the tooth shape of the processed part, and a special gear shaper cutter is generally used for processing. However, for single-piece and small-batch production, it is not economical to make special gear shaping cutters, and the construction period is long; in addition, when the gear shaping cutters have been re-grinded many times, the indexing circular tooth thickness of the gear shaping cutters is often smaller than that of the processed parts Although the tooth groove width on the indexing circle is processed by this gear shaper cutter, although the diameter of the root circle meets the requirements of the drawing, th...

Claims

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Application Information

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IPC IPC(8): B23F1/04
Inventor 张顺利郝芝
Owner AECC AVIATION POWER CO LTD
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