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Long-depth annular hole machining method

A processing method and technology for annular holes, which are used in metal processing equipment, manufacturing tools, drilling/drilling equipment, etc., to achieve high cutting efficiency, reduced processing time and cost, and good cutting stability.

Inactive Publication Date: 2021-04-30
JINCHENG NANJING ELECTROMECHANICAL HYDRAULIC PRESSURE ENG RES CENT AVIATION IND OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Purpose of the present invention: In view of the above existing problems in the prior art, the present invention provides a long-depth annular hole processing method, which can process long-depth annular holes with a depth greater than 40mm, and solve the problems of low efficiency and poor quality in the existing processing process , improve production efficiency and save production cost

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  • Long-depth annular hole machining method

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Embodiment Construction

[0021] combined with figure 1 , the preferred embodiment of the present invention is described in detail as follows:

[0022] A long-depth annular hole machining method is realized based on a long-depth annular hole tool, the long-depth annular hole tool includes a cutter head 4 and a tool holder 6, and two grooves are arranged on one end of the cutter holder 6, and the cutter head 4 The shape matches the shape of the groove of the knife seat 6, the knife head 4 is placed on the groove of the knife seat 6, and a rectangular groove is arranged between the two knife heads 4; the center of the knife seat 6 is provided with a middle outlet hole 7, and the knife seat 6 is provided with two circumferentially symmetrical chip removal profiles, and an outward chip outlet 5 is provided at the bottom of each chip removal profile;

[0023] The method comprises the steps of:

[0024] 1 Install the long-depth annular hole tool into the tool magazine, and fix the part 2 on the workbench w...

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Abstract

The invention belongs to the field of machining, and discloses a long-depth annular hole machining method. The long-depth annular hole machining method comprises the following steps that 1, a long-depth annular hole tool is mounted in a tool magazine, and a part (2) is fixed on a workbench by adopting a clamp (1); 2, an annular hole (3) with a certain depth is machined in the part (2) and serves as a guide hole in the machining process of the long-depth annular hole tool; 3, rough machining is conducted through a hollow drill, and most allowance is removed; and 4, the annular hole (3) of the part (2) is machined through the long-depth annular hole tool, and the long-depth annular hole tool is fed and machined to the target size in the axis direction of the part (2) at the speed of 80-150 mm / min. A long-depth annular hole with the depth larger than 40 mm can be machined, the problems of low efficiency, poor quality and the like in the existing machining process are solved, the production efficiency is improved, and the production cost is saved.

Description

technical field [0001] The invention relates to a method for processing a long-depth annular hole, which belongs to the field of mechanical processing. Background technique [0002] At present, in mechanical processing, for annular holes with a depth greater than 20mm, gun drills or hollow drills are usually used. These two methods are time-consuming and inefficient for processing a single piece. The surface roughness of the parts is poor, and it is difficult to meet the requirements of the drawings. Caused bigger inconvenience and waste, improved manufacturing cost. It can be seen that the existing long-depth annular hole processing technology needs to be further improved and improved. The invention relates to a long-depth annular hole processing method, which combines a special long-depth annular hole tool to complete high-efficiency and high-quality processing of the long-depth annular hole. Contents of the invention [0003] Purpose of the present invention: In view ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B51/00B23B35/00
CPCB23B51/00B23B35/00
Inventor 陆亚运聂玉亮王荣祥张帆
Owner JINCHENG NANJING ELECTROMECHANICAL HYDRAULIC PRESSURE ENG RES CENT AVIATION IND OF CHINA
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