Appropriate-temperature cutting real-time control method of composite material

A composite material and real-time control technology, applied in the direction of program control, computer control, general control system, etc., can solve the problems of slow temperature adjustment speed and inability to directly control the temperature of the cutting area, so as to achieve the effect of ensuring high efficiency and accuracy

Active Publication Date: 2016-10-26
DALIAN UNIV OF TECH
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Problems solved by technology

This method only controls the ambient temperature during processing, and cannot directly contr

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  • Appropriate-temperature cutting real-time control method of composite material

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Embodiment Construction

[0012] The implementation of the present invention will be further described in detail below in conjunction with the accompanying drawings and technical solutions.

[0013] see figure 1 , the present invention uses the thermocouple 8 as the temperature detection device, and the ultra-low temperature cold air generator 12 as the temperature control device. The signal output end of the temperature detection device outputs the detection result to the computer 4 through the data line, and the computer 4 inputs the control data to the input end of the temperature control device through the data line to detect and control the temperature in real time. The specific steps of the method are as follows:

[0014] The first step is to build a real-time control system for temperature-appropriate cutting of composite materials

[0015] Install the clamping mechanism 2 on the CNC machine tool table 1, fix the composite material 7 in the clamping mechanism 2, install a thermocouple 8 on the...

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Abstract

The invention belongs to the technical field of composite material processing, and particularly relates to an appropriate-temperature cutting real-time control method of a composite material. The appropriate-temperature cutting real-time control method comprises the steps of: establishing an appropriate-temperature cutting real-time control system of the composite material, and spraying an ultralow-temperature gas to a cutting zone by using an atomizing nozzle; measuring temperature of the cutting zone in real time by means of a thermocouple near the workpiece cutting zone on the basis of reducing the cutting temperature, and feeding back the temperature of the cutting zone to a displacement platform controller; adjusting the distance between the cutting zone and the atomizing nozzle installed on a displacement platform in real time by taking the temperature of the cutting zone as a signal, adjusting the temperature of the cutting zone to be equal to an expected value, and achieving the effect of cutting the material within an appropriate temperature interval, so as to obtain the optimal processed surface quality. The appropriate-temperature cutting real-time control method realizes the purpose of directly controlling the temperature of the cutting zone, is fast in temperature adjusting speed, can ensure the high efficiency and accuracy of temperature control, is used for direct adjustment in an open space, and is more suitable for actual production application.

Description

technical field [0001] The invention belongs to the technical field of composite material processing, and in particular relates to a real-time control method for temperature-appropriate cutting of composite materials. Background technique [0002] In the material cutting process, due to the deformation and removal of the material and the friction between the material and the tool, the cutting zone will generate a lot of heat, which will lead to a high temperature in the cutting zone. Generally speaking, the machinability of the material and the performance of the tool will vary with the The temperature changes greatly, therefore, the temperature of the cutting zone is an important factor affecting the cutting quality, the form and degree of tool wear. Some difficult-to-machine materials such as carbon fiber reinforced composite materials have low thermal conductivity and glass transition temperature of the matrix. Using traditional processing methods, the temperature in the ...

Claims

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Application Information

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IPC IPC(8): G05B19/401
CPCG05B19/4015
Inventor 贾振元付饶白玉王福吉钱宝伟
Owner DALIAN UNIV OF TECH
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