BW Cutting Tools www.tool-tool.com
Experts in cutting area, including end mills, drills, reamers, saw, special cutters...etc.
Monday, January 06, 2014
鉸刀介紹-part3-鉸孔
鉸孔
是將擴大一個已經存在的孔。
鉸孔和鑽孔、擴孔
一樣都是由
刀具
本身的尺寸來保證被加工孔的尺寸的，但
鉸孔
的品質要高得多。鉸孔時，
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