3.9. on CNC machine tool jig3.9.1. Characteristics of CNC tool machines on the jigOne of the main characteristics of the CNC machine is its very high accuracy. Map holders on CNC machines to guarantee the precision brackets set jig on the higher the usual multimeter. To ensure the accuracy of the standard must be selected, put brackets so that the standard error is zero, the error of the tight grip must have the minimum value, the set point of the clamp to avoid causing distortion for details.The CNC has a highly stable hardness, so that machines on the Jig was not reducing the stiffness of the system technology when used with the maximum capacity. So, on the CNC Jig must be fabricated from alloy steel with surface method I.When machining on CNC machines, the move of the machine and the knife was starting from the origin, so the jig right in many cases ensure the complete direction of the detail work, meant restricting all the degrees of freedom. It also means to restrict all the degrees of freedom when the jig on the positioning (orientation Jig right in both horizontal and vertical approach of machine table).Reduce time to Jig brackets set and remove the details thanks to the mechanical structure and automation.
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