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On-site detection method for arc waviness of diamond cutter

A diamond tool and detection method technology, which is applied in the direction of manufacturing tools, metal processing equipment, grinding machine parts, etc., can solve the problem of no detection means

Active Publication Date: 2018-03-27
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, there are few research materials on the detection of arc waviness of diamond tools at home and abroad, and there is no effective detection method

Method used

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  • On-site detection method for arc waviness of diamond cutter
  • On-site detection method for arc waviness of diamond cutter
  • On-site detection method for arc waviness of diamond cutter

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] An in-situ detection method for arc waviness of a diamond tool, comprising the following steps:

[0060] Step 1: Build a C_LVDT-based in-situ measuring device for diamond tool arc waviness on the diamond tool grinding machine, and ensure that the measurement direction of the C_LVDT sensor is parallel to the feeding direction of the diamond tool grinding machine feed box; figure 1 as shown,

[0061] Step 2: Install a standard ball on the pendulum shaft of the diamond tool grinding machine, align the C_LVDT sensor with the center of rotation of the pendulum shaft of the grinding machine, and at the same time adjust the level of the C_LVDT sensor through the leveling ball of the special fixture for the C_LVDT sensor; figure 1 as shown,

[0062] Step 3: Turn on the power supply of the C_LVDT-based in-situ measuring device for arc waviness of the diamond tool (mainly the C_LVDT controller, acquisition control and data processing control computer), and adjust the relative po...

Embodiment 2

[0076] In the in-situ detection method of a diamond tool arc waviness described in Example 1, in the second step, the standard ball used is installed on a precision two-dimensional micro-displacement platform,

[0077] ⑴. After installing the precision two-dimensional micro-displacement platform on the pendulum shaft of the grinding machine, use the dial indicator to perform rough measurement on the standard ball;

[0078] ⑵. By adjusting the micro-displacement platform, ensure that the eccentricity between the standard ball and the center of the pendulum shaft of the grinding machine is less than 10 μm.

[0079]The method to adjust and ensure the level state of the C_LVDT sensor is: while installing the C_LVDT sensor on the special fixture, observe the level beads on the special fixture for the C_LVDT sensor, and constantly adjust the inclination of the support rod and the fine-tuning knob of the magnetic base until it is level on the special fixture The bubble of the bead is...

Embodiment 3

[0081] The in-situ detection method of a kind of diamond tool arc waviness described in embodiment 1, the method for adjusting the eccentricity of the standard ball and the center of the pendulum axis of the grinding machine tool to be less than 1 μm in the step 3 is:

[0082] ⑴. Set the rotation mode of the pendulum shaft of the grinding machine to manual, use the data acquisition program 1.0 to set the on-site measurement device in the real-time acquisition state, and then manually rotate the pendulum shaft of the grinding machine,

[0083] ⑵. Observe the change of radial runout of the standard ball caused by the eccentricity through the dynamic display of sampling data, and adjust the precision two-dimensional micro-displacement platform accordingly until the dynamic display of sampling data changes less than 1 μm.

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Abstract

The invention provides an on-site detection method for arc waviness of a diamond cutter and relates to a diamond cutter arc waviness on-site measuring method based on an air floating bearing type C_LVDT. The method comprises the following steps: 1, a diamond cutter arc waviness on-site measuring device based on C_LVDT is built on a diamond cutter grinding machine tool, and the measuring directionof a C_LVDT sensor is ensured to be parallel to the feeding direction of a feeding box of the diamond cutter grinding machine tool; and 2, a standard ball is installed on a pendulum shaft of the diamond cutter grinding machine tool, and the C_LVDT sensor aligns at the rotary center position of a pendulum shaft of the grinding machine tool, and meanwhile, the horizontal state of the C_LVDT sensor is adjusted through horizontal beads of a clamp special for the C_LVDT sensor. The method is used for carrying out on-site accurate measurement on the arc waviness degree of the diamond cutter.

Description

Technical field: [0001] The invention relates to an in-situ detection method for arc waviness of a diamond tool. Background technique: [0002] Due to its high hardness and wear resistance, low friction coefficient, easy tool setting during processing, extremely small blunt radius of the cutting edge, low surface roughness and smooth cutting edge, the arc wiper diamond tool has become a super An indispensable part of precision machining. The arc radius of the tool nose, the arc waviness of the tool tip, the roughness value of the rake face, the roughness value of the flank face and the radius of the blunt circle of the cutting edge are currently important standards for measuring the manufacturing level of the arc wiper edge diamond tool; among them, Because diamond tools participate in NC interpolation, the arc waviness of the cutting edge, which determines the shape accuracy of the cutting edge, will affect the contour accuracy and surface roughness of the machined parts. ...

Claims

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Application Information

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IPC IPC(8): B24B49/02
CPCB24B49/02
Inventor 宗文俊吴立强牛春岩孙涛
Owner HARBIN INST OF TECH