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Tool for machining casing pipe with buttress threads

A threaded casing and partial trapezoidal technology, which is applied in the field of cutting tools for processing partial trapezoidal threaded casing, can solve the problems of large cutting resistance and impact force, easy entanglement and wear of iron filings, and achieve the prevention of winding and accumulation, and the conversion of working surfaces Convenience and enhanced chip removal effect

Inactive Publication Date: 2014-03-12
KUNSHAN HIECISE PRECISION TOOL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing tools on the market have poor rigidity, low precision, large cutting resistance and impact force, poor chip removal, and easy entanglement of iron filings, which makes the cutting edge temperature too high, severe wear, and cutting edge easy to break
In addition, the working surface of the tool is inconvenient to switch, the work efficiency is low, and the tool is not firmly fixed on the lathe, which is prone to vibration

Method used

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  • Tool for machining casing pipe with buttress threads
  • Tool for machining casing pipe with buttress threads
  • Tool for machining casing pipe with buttress threads

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Embodiment Construction

[0012] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0013] Such as Figure 1 to Figure 3 As shown, a cutting tool for machining partial trapezoidal thread casings includes a cutter body 1, one side of the cutter body 1 is provided with two working surfaces 2, and the other opposite side is provided with a positioning surface 3, The two working surfaces 2 are inclined surfaces, and the inclination angle between each working surface 2 and the horizontal plane is 5°15′±5′, and the cutter body 1 is provided with two positioning holes 6 . The two positioning holes 6 make the fixing of the tool on the lathe more firm, and the two working surfaces 2 are located on the same side of the cutter body 1, whic...

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Abstract

The invention relates to a tool for machining a casing pipe with buttress threads. The tool for machining the casing pipe with the buttress threads comprises a tool body, wherein two working faces are arranged on one side face of the tool body, a locating face is arranged on the opposite side face of the tool body, the two working faces are slopes, the inclined included angle between each working face and the horizontal plane is 5 degrees 5 minutes + / -5 minutes, two locating holes are formed in the tool body, a cutting tooth portion is arranged on each working face of the tool body, each cutting tooth portion is composed of a fine cutting tooth and a rough cutting tooth, the fine cutting teeth and the rough cutting teeth are of a buttress shape, and chip discharging circular-arc faces are arranged below the working faces. The tool for machining the casing pipe with the buttress threads is low in cutting resistance and high in machining accuracy; due to the fact that the chip discharging circular-arc faces are arranged on the tool body, the effect of chip discharging is improved, and scrap iron is prevented from intertwining and accumulating; due to the fact that the two locating holes are formed in the tool body, the tool can be firmly fixed; due to the facts that the two working faces are arranged on the tool body, and the working faces are arranged on the same side of the tool body, in the process of cutting operation, switching between the working faces can be more convenient.

Description

technical field [0001] The invention relates to the field of thread processing cutters, in particular to a cutter for processing partial trapezoidal thread casings. Background technique [0002] In turning processing, the tool size is limited by the geometric size of the trapezoidal thread due to the large total cutting depth of the partial thread. The existing tools on the market have poor rigidity, low precision, large cutting resistance and impact force, poor chip removal, and easy entanglement of iron filings, which makes the cutting edge temperature too high, severe wear, and cutting edge easy to break. In addition, the working surface of the tool is inconvenient to switch, the work efficiency is low, and the tool is not firmly fixed on the lathe, which is prone to vibration. Contents of the invention [0003] In order to overcome the above-mentioned defects, the present invention provides a cutting tool for machining partial trapezoidal thread casing with small cut...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23G5/00
Inventor 李长清王军伟
Owner KUNSHAN HIECISE PRECISION TOOL
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