A processing technology for forming the outer circle of the air inlet of an electronic throttle body

Abstract

The invention discloses a processing technique of a molded excircle of a gas inlet of an electronic throttle body. The processing technique comprises the following steps: S1. processing precise bases A, B and C on the electronic throttle body by use of the three-axis machining center; S2. molding the excircle of the gas inlet of the electronic throttle body by use of the four-axis machining center, locating the electronic throttle body according to the precise bases in the S1, and enabling a shell milling cutter to be descended along the axis of a processing surface, wherein after the processed part is sleeved, the shell milling cutter carries out circular arc interpolation at certain rotating speed along certain cutting path, an envelope line formed by the rotating motion of the inner edge of the cutter and the circular arc interpolation cutting path of the cutter is the qualified molded excircle of the gas inlet of the electronic throttle body, and the molding processing to the excircle of the gas inlet of the electronic throttle body can be realized. The processing technique has the beneficial effects that the process routes of a workpiece can be reduced, the repeated clamping operations to a part can be reduced, the flow paths are reduced, the qualified rate of the processed part is improved and the production efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of machining the outer circle of an air inlet of an electronic throttle body, in particular to a processing technology for forming an outer circle of an air inlet of an electronic throttle body. Background technique [0002] At present, in the manufacturing industry of auto parts processing, the conventional processing technology of the electronic throttle body body is the precise datum of the machining center, which is positioned on the CNC lathe with a forming turning tool to process the outer circle of the air intake, and positioned on the four sides with the fine datum Other processing parts are processed on the shaft machining center. Due to the cumulative positioning error in the repeated clamping and positioning of the workpiece, it is difficult to guarantee the high shape and position tolerance of the processing part, and the qualified rate of parts processing is not high; the processing process is l...

AI Technical Summary

Problems solved by technology

The entire machining production line needs an ordinary machining center, a CNC lathe, and a four-axis machining center, which leads to a longer machining process and a variety of equipment requirements

Among them, special fixtures are required when CNC lathes process the outer circular forming surface of the air inlet, and the processing cycle is about 60s / piece. Therefore, this processing technology is not popularized.

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