宝马彩票
搓絲板      搓絲板是一種高效率生產外螺紋工件的滾壓工具,由兩塊平板組成,在搓絲板正面有展開的螺紋。由于兩塊搓絲板的相對運動速度較高,螺紋的全部成形過程只需很短的時間,所以生產效率很高,特別適宜大批量生產標準件。
 
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宝马彩票
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