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A method for reusing scrapped wheel groove taper milling cutter

A taper and milling cutter technology, applied in the field of wheel groove milling cutter reuse, can solve the problems of unreusable, small end chipping, scrapping, etc., to reduce the amount of outsourcing, improve the tool strength, and turn waste into treasure. Manufacturing cost Effect

Active Publication Date: 2016-05-04
HARBIN TURBINE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the existing wheel groove taper milling cutter, because the small end diameter is too small, causes the small end to chip and break after use, resulting in scrapping and cannot be reused, and further provides a wheel groove taper milling cutter reuse method

Method used

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  • A method for reusing scrapped wheel groove taper milling cutter
  • A method for reusing scrapped wheel groove taper milling cutter
  • A method for reusing scrapped wheel groove taper milling cutter

Examples

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specific Embodiment approach 1

[0011] Specific implementation mode one: combine Figure 1-Figure 5 Describe this embodiment mode, a kind of scrapped wheel groove taper milling cutter recycling method of this embodiment mode is to realize according to the following steps:

[0012] 1. Determine the machining allowance, and inspect each wheel groove taper milling cutter 1 to be reformed on the magnifying instrument to ensure that the diameter at the measurement line of the standard wheel groove taper milling cutter is the same as the diameter at the measurement line MN of the wheel groove taper milling cutter to be modified The difference in diameter is less than 0.05mm, so as to ensure that the wheel groove taper milling cutter to be modified has enough margin for processing, so that the outline dimension of the modified wheel groove taper milling cutter meets the processing accuracy requirements;

[0013] 2. For the modification of the small end of the wheel groove taper milling cutter, use a CNC wire cuttin...

specific Embodiment approach 2

[0016] Embodiment 2: It also includes step 5, said step 5 coating the restructured wheel groove taper milling cutter 2 obtained in step 4 with a TiAlN nanocomposite coating. With such arrangement, the cutting tool with the coating has high wear resistance and low friction coefficient, which can increase the service life of the cutting tool. Other steps and parameters are the same as in the first embodiment.

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Abstract

The invention relates to a recycling method of a groove milling cutter, in particular to a recycling method of a scrapped groove taper milling cutter, and aims to solve the problem that existing groove taper milling cutters are scrapped and cannot be used any more due to small-end cracked teeth and breakage both caused by small diameter of small ends after the groove taper milling cutters are used. The recycling method includes the following steps: 1, determining processing margin; 2, improving the small end of the groove taper milling cutter; 3, improving a profile shaped line of a thread portion of the groove taper milling cutter; 4, improving end teeth of the groove taper milling cutter. The recycling method is applicable to improving the scrapped groove taper milling cutter.

Description

technical field [0001] The invention relates to a method for reusing a wheel groove milling cutter, which belongs to the technical field of metal cold working. Background technique [0002] In steam turbine rotor wheel groove machining, wheel groove taper milling cutter plays the main task of wheel groove milling. If the diameter of the small end of the wheel groove taper milling cutter is too small, the teeth of the small end will be chipped, broken, etc., resulting in scrapping. Contents of the invention [0003] The purpose of the present invention is to solve the problem that the existing wheel groove taper milling cutter, because the small end diameter is too small, causes the small end to chip and break after use, resulting in scrapping and cannot be reused, and further provides a wheel groove taper milling cutter reuse method. [0004] The technical scheme that the present invention takes for solving the above problems is: a kind of discarded wheel groove taper mi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/34
Inventor 刘剑孙盛丽赵祎昕魏成双魏崇巍
Owner HARBIN TURBINE
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