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What is the speed of the spindle speed of the CNC lathe in the thread of the car? When the CNC lathe processes the thread,Because of the change of its transmission chain,In principle, as long as the speed of the spindle can be guaranteed every week,The tool can shift a pitch along the main feed shaft (mostly the z axis,Should not be restricted.But when the CNC lathe processes the thread,(1) the pitch (guide) value of the instruction in the thread processing program section,Equivalent to feed speed F represented by feed (mm/r,If the spindle speed of the machine tool is selected too high,The feed rate (mm/min) after conversion must greatly exceed the normal value;(2) the tool at the beginning/end of its displacement,It will be constrained by the lifting/lowering frequency of the servo drive system and the speed of the numerical control device,Due to the reasons that the rise/frequency reduction characteristics can not meet the processing needs,The pitch of some screw teeth may not meet the requirement

Why is the needle not returned after the sewing of the single-needle computer quilting machine? This situation should be that the sensor has a problem. 1 host may be broken;2 The sensor may be broken;3 whether the line is smooth or reversed.If the sensor is broken, it will not return. can't the needle be lifted?