本帖最后由 伊凡 于 2011-5-11 15:21 編輯
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# U2 _/ w: ?6 @, @A jig is a device, which holds and supports the work and also guides the path of the
7 T- j6 h/ {! j- o% |* dcutting tool, as the operation is performed. Jigs are used extensively for operations such as/ m+ @6 x! ^$ x3 G" J
drilling, reaming, tapping and counter-boring. The jig need not be secured to the machine.( [4 u- o5 h9 Z* |. j
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A fixture is a device which locates and holds the work securely in a definite position. It
2 M8 z8 Z7 n& Q+ r2 Qis usually secured to the table of the machine and it does not guide the cutting tool. The cutting
3 K) P& A" R" q; z7 q3 ~9 I* stool is either moved into position for the operation or the table is moved under the cutting tool.; U8 u* O s; |4 a: F7 @
Fixtures are used while performing milling, turning, honing, broaching, grinding and welding
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