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瑞典Saab汽车公司的曲轴生产线的目标方针是以提高曲轴的强度为核心并实现合理的、全自动生产的目标,采用感应淬火,使曲轴的全部主轴颈和连杆轴颈表面及圆角均可淬硬;用车拉床加工补偿工件长度尺寸的变化;并采取在设备上加装检查装置及每隔一定时间对曲轴进行破坏检查的办法来检查淬火质量;在无心磨床上同时进行粗磨和精磨并用磨后测量反馈法来控制工件的尺寸;使废品率小于1％;返修率约为2％。
Sweden Saab Motor Company’s crankshaft production line goal is to improve the strength of the crankshaft as the core and achieve reasonable, fully automated production targets, the use of induction hardening, so that all the crankshaft crankshaft and connecting rod bearing surface and the fillet can be Hardened; car broaching machine to compensate for changes in the length of the workpiece size; and equipment installed in the inspection device and at regular intervals on the crankshaft damage inspection to check the quality of quenching; Centerless grinder at the same time coarse grinding and After grinding and grinding feedback measurement method to control the size of the workpiece; the rejection rate of less than 1%; rework rate of about 2%.