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Machining method for deep and narrow annular groove

A processing method and technology of annular grooves, which are applied in metal processing equipment, manufacturing tools, turning equipment, etc., can solve the problems that the processing coaxiality and surface roughness are difficult to meet the technical requirements, and the chip removal is difficult.

Inactive Publication Date: 2015-07-22
HENGYANG FENGSHUN AXLE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] There are some special structural elements in the structure of some new products, such as antenna and feeder connection shafts, electromechanical conversion shafts have some echo grooves, these deep and narrow annular grooves are processed by ordinary turning, there is difficulty in chip removal, and the processing is coaxial The degree and surface roughness are difficult to meet the technical requirements

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A kind of processing method of deep and narrow annular groove provided by the present invention, the steps are as follows:

[0018] a. Design and manufacture special fixtures and special tools, design and position according to the shape of the deep and narrow annular groove, fix the fixture, and then make according to the requirements of the designed fixture, and design special tools according to the shape of the deep and narrow annular groove, and proceed according to the drawing of the designed tool make.

[0019] b. Prepare the previously designed and manufactured tools, and one is a roughing tool, and the other is a finishing tool. The roughing tool is 2.7mm, the finishing tool is 3.3mm, and the rake angle of the tool is γ 0 =20°, relief angle α 0 =8°, secondary relief angle α 0 ′=1°, secondary declination κ r '=30'.

[0020] c. Install the tool on the tool holder of the machine tool, and adjust the height of the tool. The height of the tool is slightly higher t...

Embodiment 2

[0025] A kind of processing method of deep and narrow annular groove provided by the present invention, the steps are as follows:

[0026] a. Design and manufacture special fixtures and special tools, design and position according to the shape of the deep and narrow annular groove, fix the fixture, and then make according to the requirements of the designed fixture, and design special tools according to the shape of the deep and narrow annular groove, and proceed according to the drawing of the designed tool make.

[0027] b. Prepare the previously designed and manufactured tools, and one is a roughing tool, and the other is a finishing tool. The roughing tool is 2.8mm, the finishing tool is 3.4mm, and the rake angle of the tool is γ 0 =20°, relief angle α 0 =10°, secondary relief angle α 0 ′=1°, secondary declination κ r '=30'.

[0028] c. Install the tool on the tool holder of the machine tool, and adjust the height of the tool. The height of the tool is slightly higher ...

Embodiment 3

[0033] A kind of processing method of deep and narrow annular groove provided by the present invention, the steps are as follows:

[0034] a. Design and manufacture special fixtures and special tools, design and position according to the shape of the deep and narrow annular groove, fix the fixture, and then make according to the requirements of the designed fixture, and design special tools according to the shape of the deep and narrow annular groove, and proceed according to the drawing of the designed tool make.

[0035] b. Prepare the previously designed and manufactured tools, and one is a roughing tool, and the other is a finishing tool. The roughing tool is 2.9mm, the finishing tool is 3.5mm, and the rake angle of the tool is γ 0 =20°, relief angle α 0 =11°, secondary relief angle α 0 ′=1°, secondary declination κ r '=30'.

[0036] c. Install the tool on the tool holder of the machine tool, and adjust the height of the tool. The height of the tool is slightly higher ...

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Abstract

Provided is a machining method for a deep and narrow annular groove. The method comprises the following steps that firstly, a dedicated fixture and dedicated tools are designed and manufactured, design and positioning are carried out according to the shape of the deep and narrow annular groove, the fixture is fixed, the tools are designed, and manufacturing is carried out; secondly, the two tools used for rough machining and fine machining are prepared, and the rough machining tool is 2.8 + / - 0.1 mm, the fine machining tool is 3.4 + / -0.1 mm; thirdly, the tools are installed on a tool rest of a machine tool, and the height of the tools is slightly larger than the center line of a product by 0.2 mm to 0.5 mm; fourthly, a mandrel prepared for adjusting the position of the tools; fifthly, the amount of tool feeding is selected to range from 0.05 m to 0.15 m per minute, and the cutting speed ranges from 80 m to 100 m per minute; sixthly, kerosene emulsion cooling liquid is selected to serve as cutting liquid. According to the machining method, the quality is favorable to guarantee, the yield can reach 99%, the production efficiency is greatly improved, and the operation is convenient and safe.

Description

technical field [0001] The invention relates to a processing method of an annular groove in the field of mechanical processing, in particular to a processing method of a deep and narrow annular groove. Background technique [0002] There are some special structural elements in the structure of some new products, such as antenna and feeder connection shafts, electromechanical conversion shafts have some echo grooves, these deep and narrow annular grooves are processed by ordinary turning, there is difficulty in chip removal, and the processing is coaxial The degree and surface roughness are difficult to meet the technical requirements. Contents of the invention [0003] The purpose of the present invention is to overcome the above-mentioned shortcomings of the prior art and provide a deep and narrow annular groove processing method, which can ensure the processing quality of the annular groove, improve surface roughness, and greatly improve production efficiency. [00...

Claims

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Application Information

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IPC IPC(8): B23B1/00B23B5/48
CPCB23B1/00B23B5/48B23B2220/445
Inventor 刘登发
Owner HENGYANG FENGSHUN AXLE CO LTD
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