The overall and headstock design of drilling and boring modular machine for diesel engine geal chamber manufacture
Abstract: This project is to design a modular machine tool for manufacturing the gear chamber cap of diesel engine. Mainly work is the design of overall and the right headstock.
According to the request of construction features, processing spot, size precision, surface roughness and productivity that diesel engine gear chamber cap, sets the machine tool for single location horizontal type modular machine tool. In order to guarantee the processing precision, the localization plan use "two sells and a surface". In order to implement the stepless speed regulation, safe is reliable, therefore choice hydraulic pressure sliding table. According the size of components and the position of the hole that is processed to set the overall size of the headstock. Choicing ball bearing spindle by processing craft. The spindle and drive shaft diameter is decided through computation torque. The gear modulus is decided through the correlation method. The gear mentions and the position of intermediate propeller shaft is decided by the means " computation, mapping and tries to collect many times". Calculates the coordinates of the spindle and drive shaft and checking the center distance, determined department spindle must use dislodges the gear. The components of tooth wheel cover, key and so on that in axis select standard letter by the corresponding number.
The modular machine tool of this project design use “two sells and one surface” to locate , hydraulic press and clamps. In the situation of one clamp, the holes three surface of the diesel engine gear chamber cap, are guaranteed the processing precision, is enhanced the production efficiency, is increased worker's labor intensity. Moreover during the design, the standard parts are selected as far as possible, reduced the production cost and increased the economic efficiency.
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