穿孔機(jī)機(jī)架內(nèi)定心機(jī)的改進(jìn)
IMPROVEMENT OF PIERCER BUILT-IN STEADIER
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摘要: 簡要分析了穿孔機(jī)機(jī)架內(nèi)定心機(jī)對穿孔毛管壁厚精度的保證作用,提出了內(nèi)定心機(jī)的改進(jìn)方案,并介紹了新的內(nèi)定心機(jī)的動作原理。Abstract: The paper discusses how the piercer built-in steadier secures the wall thickness tolerance of the shell and proposes the modification plan concerning the said steadier.Also described in the paper is the working principle of the new piercer built-in steadier.
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