The Morse Taper(莫氏锥) was invented by Stephen A. Morse (also the inventor of the twist drill(也是麻花钻的发明人)) in the mid-1860s. Since then it has evolved to encompass smaller and larger sizes and has been adopted as a standard by numerous organizations, including the International Organization for Standardization (ISO) as ISO 296 and the German Institute for Standardization (DIN) as DIN 228-1.- H% o) v/ ^4 L- D; Q8 C0 ^, _0 H
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[ 本帖最后由 Mrjianhuili 于 2009-11-5 08:35 编辑 ]