The solution to the problem of the cheap paver block machine skip car, the paving machine equipment in the production of manual all parts are normal, but replaced with automatic operation, skip car stopped on the mold frame, can not move, intuitive can be found that the paving machine skip car solenoid valve indicator light is not on.
1. Cause of failure: the proximity switch at the lower limit of the frame is adjusted too low or sent off, and the proximity switch does not sense the induction iron, resulting in signal interruption. If some equipment, the proximity switch power line aging, vibration, on and off, will also cause the proximity switch does not work.
Troubleshooting method: adjust the proximity switch to a reasonable position, if there is a problem with the line, check the line, troubleshooting.
2. Cause of failure: hydraulic cylinder pressure head, pilot sequence valve, hydraulic lock, electro-hydraulic directional valve and other hydraulic parts wear, resulting in the decline of pressure head, pressure head limit proximity switch did not feel the induction iron, resulting in signal interruption. (for some paver block machines, the power line of the proximity switch is aging. When it vibrates, it is on and off, and the proximity switch will not work.)
Method of elimination: check hydraulic parts such as pressure head oil cylinder, pilot sequence valve, hydraulic lock and electro-hydraulic directional valve. You can refer to the automatic paver block machine after the press head rises in place, the upper die automatically slow down to eliminate the fault.
3. Fault reason: the proximity switch of the material door close did not detect the induction iron, resulting in the signal interruption. (for some equipment, the power line of proximity switch is aging, vibration, on and off, which will also cause the proximity switch to fail.)
Troubleshooting method: adjust the proximity switch to a reasonable position, if there is a problem with the line, check the line, troubleshooting.
If there is a cheap paver block machine skip car parked on the mold frame can not move the above three points to try, one by one, you must be able to find a solution
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