Method of Machining Impeller by Numerical Control Using Macro Program

Abstract

The invention provides a method for numerical control machining of an impeller by utilization of macroprogram and aims to provide the machining method which is short in microprogam debugging preparation time and can improve the machining efficiency of the impeller. By means of the technical scheme, the method comprises the steps that a motion trail functional expression A=[X*[360 / impeller lead]] between an impeller machining rotation shaft A and a linear motion axis X is built; in the microprogram compilation, programs between the impeller machining depth and the machining angle are nested and composed of a machining depth conditional judgment statement WHILE[#1GE#2]DO1 and a blade machining angle loop judgment statement respectively; linkage machining is conducted through a G91 relative value instruction G1G91X#6A[#6*[360 / #7]]F500; fitting milling of a curved face is conducted through a taper machining face of a milling cutter; and an impeller part is fixed to the center of the rotation shaft A of a four-axis machine tool, Y-direction and Z-direction machining original points of the machine tool are arranged in the rotation center of the shaft A, the feed direction is along the rotation axis, and the curved face machining of the impeller is finished through multi-axis linkage.

Description

technical field

[0001] The invention relates to a method for processing an impeller on a four-axis numerically controlled milling machine by using a macro program. Background technique

[0002] With the rapid development of industrial technology, the shape of products is becoming more and more complex, the requirements for precision are getting higher and higher, and the replacement of products is getting faster and faster. Traditional equipment can no longer meet the new requirements. CNC lathes, CNC milling machines, machining center machines, CNC grinding machines and other CNC machine tools have been widely used in the manufacturing industry. The processing of these advanced equipment needs to be controlled by programs and operated by highly skilled people. To give full play to the high precision, high efficiency and high flexibility of CNC machine tools, operators are required to have excellent programming skills. Commonly used programming methods are manual programmi...

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