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2021-10-15Basic knowledge of mechanical part drawing--size

Basic knowledge of mechanical part drawing, CNC precision machining parts, turning and milling parts.Sizeclassification:···
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2021-10-15Basic knowledge of mechanical part drawing--section view

Basic knowledge of mechanical part drawing, CNC precision machining parts, turning and milling parts.1. Question: what i···
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2021-10-15Knowledge about cast iron

Question: what is cast iron?Answer: the iron-carbon alloy with carbon content greater than 2.11% is call cast iron.Quesi···
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2021-10-15What is tapping

Quesion: what is tapping?Answer: To use a tap to cut out the internal threads on the wall of the hole.Reference knowledg···
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