This paper introduces cold heading and combined forming process of extrusion and punching for gear cluster, a key part of automotive gearbox.

介绍了汽车变速箱中的一个关键零部件—双联主动齿轮的冷态镦粗、挤压及冲孔的复合成型工艺。

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Some main points about the cold heading process and its die design are also involved.

介绍了冷镦工艺过程和模具设计要点。

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Describe the content modification of national standard for cold heading and cold extruding.

简述了冷镦和冷挤压用钢国家标准的修订内容。

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After lunch in Muskegon I launch to the north, getting to 6, 000 feet, and listen carefully to the 180hp engine before heading west over cold, lonely Lake Michigan.

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That doesn't mean that I bounce out of bed at 4 a.m. on the days that I go to the local YMCA for the spinning class, that I haven't wanted to stay in bed on a cold, snowy morning instead of heading across town to do swim drills.

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While many holiday revellers spend Christmas tucking in to a bird with all the trimmings, Sydney locals eat from a cold menu of seafood and prawns before heading to the beach on Christmas Day.

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