Flat seam machine is running at high speed for a long time. When the speed is 4000 rpm, the rotation speed of the rotary spindle is 8000 rpm. Many domestic rotary shuttle can not reach this speed, at this point, if not very good at this point of the rotation of the oil supply, it will happen to the spindle wear serious, noise and other failures, followed by the occurrence of disconnection, line trace and other issues. Especially when the arrival, the rotary spindle temperature rise will be very high, even as the rotary spindle hot and remove the bobbin case phenomenon, at this time will be on rotary spindle oil supply is adjusted.
Find a piece of cardboard on the hook, the continuous operation of the machine for at least 1 minute, and then check whether the board traces of oil medium. If the board without oil or grease rarely, the oil quantity regulating screw transferred to the head of the screw is completely blocked oil return hole so far, and then check the oil level, if traces of oil or a few, that is, the oil has a problem should be taken by Jane into complex inspection method.
First unloading backspin spindle, and then check the oil level, if after unloading the backspin shuttle, traces of oil becomes larger, that is rotating shuttle was clogged with dust, need to clean up, especially rail oil hole felt, if the rotating shuttle wear is too large to be replaced with new ones, if the traces of oil is still very small, unloading shaft copper oil plug, check the filter is blocked, exclusion to operate the machine, check shaft and whether there is oil spray, oil if the normal at this time will a lot of oil outflow. If still no oil outflow, should pump check whether it is normal, oil pump and aluminium tubing between the rubber connecting is broken or bent, if there is no problem, should remove shaft gear screws and the baffle, take out shaft before operation sewing machine, when the sleeve should be a lot of oil outflow, the axial oil hole and the axis hole are not aligned. The simple method is to check whether there is a trace of friction in the shaft oil hole, the standard position should be no trace of the oil hole, at this time the shaft Kong Zheng
Good is sleeve oil hole, according to the friction marks adjusted axial position and then check out the amount of oil, after a good tune should ensure the shaft to move left and right.