Pulse current auxiliary cutting machining system and machining method

Abstract

The invention discloses a pulse current auxiliary cutting machining system and a machining method. The pulse current auxiliary cutting machining system comprises an electric pulse auxiliary machining device and a laser surface roughness online detection device. The electric pulse auxiliary machining device comprises a high-frequency pulse generator and a clamp, the high-frequency pulse generator is connected with the clamp through a wiring cable, and the clamp is clamped on a five-axis machining center clamp; and the laser surface roughness online detection device comprises a laser roughness detection head, a holder and an oscilloscope, the holder is fixed on a five-axis machining center tool magazine, the laser roughness detection head is clamped at the top end of the holder, a focus point points to a machined surface of a workpiece, and the laser roughness detection head is connected with the oscilloscope through a signal line. By means of the pulse current auxiliary cutting machining system, the problems of work hardening, severe tool abrasion and the like in the current titanium alloy machining process are solved, meanwhile, the stability of the product quality can be effectively guaranteed, and the production efficiency of titanium alloy components is improved.

Description

technical field [0001] The invention relates to a component processing technology involving difficult-to-machine metal materials such as titanium alloy, in particular to a pulse current assisted cutting processing system and processing method, belonging to the technical field of metal processing. Background technique [0002] The superior physical and chemical properties of titanium alloy make it an attractive structural engineering material, and has been widely used in important manufacturing fields such as aerospace, military industry, biomedicine, sports equipment and automobiles. For most of these parts, machining is one of the necessary processes. However, due to the high strength, small heat transfer coefficient, strong chemical affinity, and low elastic modulus of titanium alloy materials, if the cutting process is improper, microscopic cracks will be generated on the surface and near the surface of the material, which will destroy the surface mechanical properties an...

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Problems solved by technology

[0003] The purpose of the present invention is to provide a pulse current assisted cutting processing system for the shortcomings of the processing technology of difficult-to-machine metal materials such as titanium alloys. This system solves the problems of work hardening, In order to solve problems such as severe tool wear, at the same time, by adding a laser roughness on-line detection device to perform real-time roughness detection on the processed surface of parts, replacing the original off-line detection method, it can effectively ensure the stability of product quality and improve the production of titanium alloy components. efficiency

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