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我厂是生产微型汽车的大型企业,拥有国内外各种型号的压力机50多台。1998年初我们发现,使用近10年的日本进口福井1600t压力机的传动齿轮出现了点蚀现象,齿面中部沿轴向有宽度10mm左右的点蚀带,磨下的铁屑撒满了传动箱底面。压力机传动齿轮材料为45~#钢,经调质处理,表面
I plant is the production of mini-car large enterprises, with various types of presses at home and abroad more than 50 Taiwan. Early 1998 we found that the use of nearly 10 years of imported Japanese Fukui 1600t press transmission gear pitting phenomenon occurred in the middle of the tooth surface along the axial width of about 10mm pitting zone, the iron scrap worn sprinkled gear box Bottom Press transmission gear material is 45 ~ # steel, quenched and tempered, the surface