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Straight-through type valve body internal thread cutting technology

An internal thread, straight-through technology, used in thread cutting tools, thread cutting auxiliary equipment, workpieces, etc., can solve the problems of processing quality, labor intensity of workers, and low production efficiency of turning threads, and achieve the highest quality of processing. Effect

Inactive Publication Date: 2015-10-28
YANGZHONG FIRST BUTTERFLY VALVE FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the production efficiency of turning threads is low, the labor intensity of workers is high, and the processing quality depends on the technical level of workers

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] The present invention will be further described below.

[0017] A thread cutting process in a straight-through valve body, comprising a cyclone cutter, a tool holder, and a machine tool slide, characterized in that it includes the following steps:

[0018] Step 1: Install the cyclone shredder in front of the tool holder on the slide plate of the machine tool;

[0019] Step 2: The inner diameter of the thread and other parts are processed by the tool holder;

[0020] Step 3: Move the slide plate of the machine tool to the operator, and align the knife bar on the cyclone thread cutter with the upper knife position for cutting the internal thread, and then the thread can be cut;

[0021] Step 4: After cutting the thread, return the slide plate to the original position.

[0022] The rotating speed of the cutter bar of the cyclone shredder is 2100r / min.

[0023] The rotation speed of the valve body is set at 6-24r / min.

[0024] The cutter head material on the cutter rest...

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PUM

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Abstract

The invention discloses a straight-through type valve body internal thread cutting technology. According to the straight-through type valve body internal thread cutting technology, a cyclone thread cutter, a cutter holder and a machine tool slide carriage are included. The straight-through type valve body internal thread cutting technology is characterized by comprising the following steps that firstly, the cyclone thread cutter is installed at the position, in front of the cutter holder, on the machine tool slide carriage; secondly, the cutter holder completes machining of the inner diameter and the other parts of a thread; thirdly, the machine tool slide carriage is made to move to an operator, a cutter rod on the cyclone thread cutter is made to be aligned to the cutter feeding position of the internal thread, and the thread can be cut; and fourthly, the slide carriage is made to retract to the original position after the thread is cut. According to the straight-through type valve body internal thread cutting technology, the efficiency is about four times higher than that of a turning method, and the machining quality can be guaranteed.

Description

technical field [0001] The invention relates to a thread cutting process in a straight-through valve body, belonging to the technical field of valve body processing technology. Background technique [0002] Threaded connection is the main connection method of small diameter valves, such as threaded gate valve, threaded ball valve, threaded globe valve, and threaded check valve. Threaded connection is a convenient connection method. The valve body is processed according to each thread standard, and there are two kinds of internal thread and external thread. Common internal thread processing is to use a turning tool to turn the thread on an ordinary lathe. This method is simple and low in cost. However, the production efficiency of turning threads is low, and the labor intensity of workers is high, and the processing quality depends on the technical level of workers. The internal thread of the valve above DN32 can be processed by whirlwind cutting method. Contents of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23G3/00
CPCB23G1/02B23G3/00B23G5/00B23G2210/04B23G2225/28B23G2240/36
Inventor 许瑞华
Owner YANGZHONG FIRST BUTTERFLY VALVE FACTORY