轴类零件的加工工艺分析与实例（Processing analysis and example of shaft parts）.docVIP

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轴类零件的加工工艺分析与实例（Processing analysis and example of shaft parts）.doc

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轴类零件的加工工艺分析与实例（Processing analysis and example of shaft parts）

轴类零件的加工工艺分析与实例（Processing analysis and example of shaft parts） Processing analysis and example of shaft parts Lishandong Xiangshan County Technical School 315700 Abstract: by analyzing the processing technology of carburizing main shaft, this paper expounds how to analyze the shaft parts in the machining practice class of vocational school, so as to improve the quality of the workpiece. Key words: shaft parts, parts drawing process analysis, process planning In the occupation school of mechanical processing practice, processing of shaft parts is turning the skills students practice the most basic and most important project, but the students finished workpiece quality is not ideal, the analysis is mainly the analysis of process planning is not reasonable for students of shaft parts processing. The formulation of technological rules in shaft parts is directly related to the quality of workpieces, labor productivity and economic benefits. A part can have several different processing methods, but only one is more reasonable. In the process of making mechanical processing, we should pay attention to the following points. 1. parts drawing, process analysis, you need to understand the parts structure features, precision, material, heat treatment and other technical requirements, and to study product assembly drawings, components, assembly drawings and acceptance criteria. 2. carburizing process route for blanking, forging, normalizing, roughing, semi finishing, carburizing, carbon to processing (to do not need to increase the hardness part) quenching, threading, drilling or milling, coarse grinding, fine grinding, low temperature aging, low temperature aging, semi fine grinding. 3. choices: the benchmark crude non processing surface should be non machined surface as a rough benchmark. For all surfaces that need to be machined, the casting shaft is machined with minimal surface allowance. Smooth surface and open the gate. The choice is firm and reliable, the surface is a cr