The drain screw, wear, floating lock is fault automatic screw machine is easy to appear, so customers are most concerned about the issue of. Initial purchase of automatic screw machine customers usually want to know in detail, to ensure that there is no problem, and to facilitate the maintenance of late. Here, this paper explained in detail on the automatic screw machine is how to know the leakage of nails, wear, floating lock?
Automation equipment operation and detection mainly rely on software control system, that is, automatic screw machine PLC control system, so the importance of this program is self-evident. Perfect mature PLC control system with exquisite design and manufacture appear leak nail, slided, floating lock the probability is very small, whereas it may often fails. Were about leakage nail, wear, floating lock detection principle:
1. Slick and slided detection principle: automatic screw machine PLC control program pre-set torque, torque and other parameters, when the electric screwdriver to tighten the screws, electric group automatic power-off brake and output a pulse signal, PLC to read this signal processing, and final judgment whether slippery or slided. If the fox or overturned, electric group is not brake to stop, there is no signal to PLC.
2. Floating lock detection principle: when the screw locking torque reaches the set torque, depth sensors detect screws are locked tightly in position, the exclusion of this function is floating lock defects (i.e. because of screw tooth problems lead to reach the torque but screws and there is no lock in the end).
3. Miss feeding the detection principle of the screw: screw through the distributor was assigned to the pipe and fall into the pipeline in screw and detection sensor, and to ensure that each pipeline drops a single screw. When the distribution over 4 pipeline nail feeding opportunity of giving a pulse signal to the automatic screw machine PLC control system, PLC to read the signals after only send and lock screw blowing action, otherwise the machine will alarm and wait for troubleshooting.
