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研磨气门与气门座的机具有三种:机动气门座研磨机、手摇气门座研磨机和手工研磨工具。机动气门座研磨机适用于大批生产,近年来已由滚压法所取代;手工研磨工具在内燃机保养修理中广泛采用,但效率低,劳动强度大,是一项繁琐的工作;手摇气门座研磨机则是一种半机械化研磨工具,用它研磨气门与气门座,较手工研磨工具研磨效率高、劳动强度低,很适合县社农机修造厂、农机站(组)作保养修理内燃机的半机械化工具之用。
Grinding valve and valve seat machine has three kinds: motor valve seat grinder, hand throttle seat grinder and hand grinding tools. Motorized valve seat grinder for mass production, in recent years has been replaced by the rolling method; manual grinding tools are widely used in the maintenance of internal combustion engines, but the low efficiency, labor-intensive, is a tedious work; hand valve seat Grinder is a semi-mechanized grinding tools, with its lapping valve and valve seat, grinding efficiency than manual grinding tools, low labor intensity, it is suitable for county agency farm machinery repair plant, farm machinery (group) for maintenance and repair of the combustion engine half Use of mechanized tools.