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Method for setting machine tool

A tool and machine tool technology, applied in the field of tool setting of micro and small tools, can solve the problems of tool setting plane deformation, tool tip damage, tool elastic deformation and so on

Active Publication Date: 2011-06-15
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

Among them, the non-contact tool setting method is only suitable for the tool setting operation of heavy-duty lathes. The laser source used is a medical laser with an optical path of 1-2mm, and the tool setting accuracy is about 5mm. The accuracy is too low to meet the maximum The tool setting accuracy requirements of most machine tool tools, in addition to the contact tool setting method, the tool tip needs to be in contact with the tool setting plane during tool setting, and a certain contact force is required. The existence of this contact force will cause the elastic deformation of the tool and the tool setting The deformation of the plane limits the improvement of tool setting accuracy, and it is easy to cause damage to the tip of the tool, especially not suitable for tool setting of micro tools

Method used

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Embodiment Construction

[0013] The present invention will be described in detail below.

[0014] The realization of the method of the present invention includes 1-tool setting plane, 2-tool, 3-power supply circuit, 4-amplifying and filtering circuit, 5-single-chip microcomputer and signal indicating circuit. Among them, 1-the tool setting plane is a tool setting block whose surface roughness and hardness meet the requirements of tool setting. It must be insulated from the machine tool, and it should be scalable and movable during installation to avoid damage to the tip of the tool due to collision with the tool; 3- The power supply circuit is drawn out through two points A and B, and can output a relatively low (mV level) stable voltage as the tool setting voltage; 4-amplification and filtering circuit, the tool setting voltage is amplified several times through the secondary reverse amplifier circuit, And filter out the interference voltage signal through the low-pass filter circuit; 5-signal detect...

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Abstract

The invention relates to a method for setting a machine tool. The method is a method for setting the tool in a non-contact way, in which the relatively low millivolt voltage is used as tool setting voltage, a position when air breakdown occurs between a tool noise and a tool setting plane is used as a tool setting point, and a voltage signal between two electrodes at the moment is processed to be used as a tool setting signal. A tool setting instrument designed according to the method for setting the machine tool has a simple structure, high tool setting accuracy, can avoid the damage caused by contacting the tool nose and the tool setting plane and is particularly suitable for setting a microminiature tool.

Description

technical field [0001] The invention relates to a tool setting method for a machine tool, in particular to a tool setting method suitable for miniature tools. Background technique [0002] At present, tool setting by trial cutting method and tool setting by using a tool setting instrument are commonly used tool setting methods. Among them, the trial cutting method is to determine the position of the knife tip through trial cutting and measurement. This method is time-consuming and labor-intensive. The trial cutting process wastes material and will cause certain wear and tear on the tool. The tool setting accuracy is mainly determined by the operator's technical experience, and the tool setting accuracy is unstable. In view of the various shortcomings of this method, it is more common to use a tool setting instrument for tool setting. [0003] The tool setting instrument is divided into contact tool setting and non-contact tool setting according to the tool setting principl...

Claims

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Application Information

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IPC IPC(8): B23Q15/22
Inventor 金鑫张之敬叶鑫赵曾武张少华刘冰冰
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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