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Device for evaluating and testing interrupted cutting performance of tools at high speed

A technology of cutting performance and testing equipment, which is applied in the direction of manufacturing tools, measuring/indicating equipment, metal processing equipment, etc., can solve the problems of inability to cut the cylindrical end face intermittently, difficult to realize cutting test, and high production cost, so as to reduce the test cost, The effect of quick replacement, material and cost saving

Inactive Publication Date: 2012-06-13
SHANDONG UNIV
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AI Technical Summary

Problems solved by technology

[0004] The present invention aims at the fact that the current interrupted cutting test device is difficult to realize the cutting test at high cutting linear speed, the fixture is bulky, the production cost is high, the intermittent cutting of the cylindrical end face cannot be performed, and the cutting at different intermittent degrees cannot be realized on the same test device. In view of the insufficient status of performance evaluation, etc., provide a tool interrupted cutting performance evaluation test device for high cutting line speed

Method used

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  • Device for evaluating and testing interrupted cutting performance of tools at high speed
  • Device for evaluating and testing interrupted cutting performance of tools at high speed
  • Device for evaluating and testing interrupted cutting performance of tools at high speed

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Embodiment Construction

[0013] The tool high-speed interrupted cutting performance evaluation test device of the present invention is as follows: figure 1 and figure 2 As shown, it includes a rotary disc body 2, a tool bar 6, a tool holder 7, a piezoelectric force gauge 8, an infrared thermometer 9, a charge amplifier 11 and a computer 13. The tool bar 6 is installed on the tool holder 7, and the piezoelectric Type dynamometer 8 and infrared thermometer 9 are fixed on the tool rest 7, piezoelectric dynamometer 8 is connected with charge amplifier 11 through connection line 10, and charge amplifier 11 is connected with data acquisition card 12 in computer 13. The rotary disk body 2 is provided with a clamping part 1, and on the rotary disk body 2, an even number of workpiece block installation positions are symmetrically distributed at equal intervals on the same circle centered on the center of rotation. The locking screw 3 fixes and installs the workpiece block 4, which is reliable in positioning,...

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Abstract

The invention provides a device for evaluating and testing interrupted cutting performance of tools at a high speed. The device comprises a rotary disk body, a tool bar, a tool rest, a piezoelectric type dynamometer, an infrared temperature detector, an electric charge amplifier and a computer, wherein the tool bar is arranged on the tool rest, the piezoelectric type dynamometer and the infrared temperature detector are fixed on the tool test, the piezoelectric type dynamometer is connected with the electric charge amplifier through a connecting wire, the electric charge amplifier is connected with a data acquisition card in the computer; a clamping part is arranged above the rotary disk body, and an even number of workpiece block installation locations symmetrically distributed at intervals on the same circumference by taking the center of rotation of the rotary disk body as a center, are arranged on the rotary disk body. The testing device can realize the interrupted cutting on the circumference and the cylindrical end face, can be used for the test evaluation of the interrupted cutting performance of the tools, and can realize the tool cutting performance evaluation test at different interrupted degrees and the on-line measurement of the cutting force, the cutting temperature and the service life of indexable blades to be evaluated, thus realization process and method are simple and convenient.

Description

technical field [0001] The invention relates to a performance testing device for high-speed intermittent cutting of a tool, which belongs to the technical field of tool performance testing. Background technique [0002] Intermittent cutting refers to cutting in which the cutting edge is in intermittent contact with the workpiece during the cutting process. The study of cutting force, cutting temperature and tool life in interrupted cutting state has important practical significance for optimizing tool structure and rationally selecting cutting parameters for machining workpieces with interrupted cutting features such as convex edges and grooves. [0003] The current interrupted cutting performance test of tools is mostly by cutting cylindrical workpieces with grooves along the circumferential direction on a lathe (such as figure 1 shown) or a strip-shaped workpiece clamped in a groove. High-speed cutting is an important trend in the research of machining technology in the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q17/09
Inventor 刘战强王启东刘子夜
Owner SHANDONG UNIV
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