piercing punch 冲孔凸模 ; 破甲拳 ; 冲孔
PIERCING PUNCH-STAPLE RETAINER 穿甲穿孔式主食家臣 ; 冲孔冲绒棉固定器 ; 穿刺打孔装订财神
hole-piercing punch 冲孔凸模
PIERCING PUNCH HOLDER 打孔冲棒套
Piercing: refer to artifacts from the ordinary hole punch and mold machining process.
冲孔:指工件由普通冲床和模具加工孔的工艺过程。
The wear of piercing punch is one of main die lose efficacy.
冲孔凸模磨损是模具失效的主要形式之一。
This paper analyzes main reason why thick sheet piercing punch is easily destroyed, and design a new punch to above-mentioned problem and introduces its some characters.
分析了厚料冲孔用冲头破损的主要原因,针对这些易产生的问题,设计了一种冲头,并说明了其特点。
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