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Combined straight shank thread milling cutter

A technology of thread milling cutter and straight shank, which is applied in the direction of thread cutting tools, metal processing equipment, tangent devices, etc., can solve the problems of high manufacturing cost, poor finish, single blade processing range, etc., and achieve high thread processing accuracy, Universal interchangeability, widening the effect of practical effects

Inactive Publication Date: 2012-12-19
NINGBO CHUANJINGYU MECHANICAL TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Not only the processing quality of taps is poor, the finish is not high, and the middle diameter is difficult to control, but also the taps are easy to wear and break during thread processing, resulting in scrapped workpieces or high manufacturing costs
Row-tooth thread milling is easy to vibrate the tool when deep-hole thread processing is performed, and the uneven wear of the blade leads to taper in the processed product. At the same time, the processing range of the blade in this processing method is relatively single, so they are difficult to meet the requirements of the current processing industry. need

Method used

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  • Combined straight shank thread milling cutter
  • Combined straight shank thread milling cutter
  • Combined straight shank thread milling cutter

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Embodiment Construction

[0018] Embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0019] Figure 1 to Figure 6 Shown is the structural representation of the present invention.

[0020] The reference signs therein are: internal coolant channel A, coolant connecting channel B, cooling groove C, tool holder body 100, tool handle 1, tool holder bar 2, cutting surface platform 21, chip removal arc surface 21a, The positioning cavity 22, the threaded through hole 22a, the cutting blade 3, the cutting head 31, the fastening screw 4, and the tapered transition surface 5.

[0021] Such as Figure 1 to Figure 6 As shown, the combined straight shank thread milling cutter of the present invention includes a tool holder body 100, and the tool holder body includes a cylindrical tool handle part 1 for clamping and a cylindrical tool holder rod 2 integrally connected with the tool handle part 1; The front end of the knife holder bar 2 is...

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Abstract

The invention discloses a combined straight shank thread milling cutter which comprises a cutter rod body, wherein the cutter rod body comprises a cylindrical cutter handle part for clamping and a cylindrical cutter rack rod connected integrally with the cutter handle part; a surface cutting platform extending backward is manufactured on the front end of the cutter rack rod; a crumb discharging arc surface capable of discharging crumbs conveniently is formed on the tail part of the surface cutting platform; a cutting blade is positioned and installed detachably on the surface cutting platform through a fastening screw; the cutting blade is at least provided with one cutting head; and the cutter rod body and the cutting blade are combined and assembled so as to form a separating-type straight shank multi-purpose thread milling cutter structure. The combined straight shank thread milling cutter provided by the invention is concise in structure, is low in cost, has the characteristics of high machining accuracy, good effects, and long service life, can meet the machining requirements of multiple types of threads, and is suitable for deep hole machining.

Description

technical field [0001] The invention relates to the technical field of machining cutting tools, in particular to a milling tool for thread milling, in particular to a combined straight shank thread milling cutter. Background technique [0002] In mechanical thread processing, there are two main traditional processing methods: one is tap processing; the other is row-tooth thread milling. There are certain processing defects in these traditional processing methods. The processing quality of taps is not only poor, the finish is not high, and the middle diameter is difficult to control, but also the taps are easy to wear and break during thread processing, resulting in scrapped workpieces or high manufacturing costs. Row-tooth thread milling is easy to vibrate the tool when deep-hole thread processing is performed, and the uneven wear of the blade leads to taper in the processed product. At the same time, the processing range of the blade in this processing method is relatively...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23G5/18
Inventor 袁国智任元平
Owner NINGBO CHUANJINGYU MECHANICAL TECH DEV
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