1, about the food machinery factory time relay delay inaccurate reason and treatment methods do you understand?
Vacuum packing machine
air damping type time relay
(1) after air chamber apart to assembly, operation not according to stipulations, sealed chamber is lax, lead to air leakage, the delay is not accurate, serious when even not delay.
ry equipment air damping type time relay maintenance don't open air chamber, the assembly should be in accordance with the provisions, the technical requirements of the operation, ensure that air chamber airtight.
2. Indoor air is not clean, dust or particles into the air passage, and make the airway obstruction, delay time extended.
Should remove the relay of the machine, open air chamber in the environment of the clean air, clean up dust and particles, and then reassemble.
(3) the installation or replacement of packing machinery time relay, install the wrong direction, change the status of the air chamber, the delay is not accurate.
Therefore, relay can flip, nor horizontal installation.
(4) use a long time, the humidity change, make the air chamber rubber membrane metamorphism, aging, hardness change, delay is not accurate, should be timely replacement of rubber membrane.
2, automatic vacuum packaging machine transistor type time relay
(1) adjusting the delay time is adjustable potentiometer using long, make the potentiometer lining wear or into dust, and make the vacuum packaging machine delay time is not accurate, can use a small amount of gasoline along the potentiometer drip into the handle, and turn the handle, or serious to wearing away of the potentiometer timely replacement.
(2) the damage of the transistor, aging, delay circuit parameters change, the delay time is not accurate, even not delay.
Should remove the vacuum packaging machine relay to repair or replacement.
3. Transistor time relay due to vibration, loose components solder joints, from the socket.
Should be carefully check or repair welding again.
(4) check whether there is any abnormal on the appearance of the components, don't change at will open the shell, the welding, so as not to damage the components, expand the fault surface.
When to replace or substitute, used the same type, same voltage, delay time relay close to the scope of the transistor.
5) general transistor time relay are using capacitor charging and discharging characteristics of the delay.
Capacitance values, changed the charge and discharge time, so that the delay is not allowed, a suitable capacitance should be replaced.
3, vacuum packaging machine electromagnetic relay time
for the automatic packing
machine, electromagnetic relay time delay is not accurate, for nonmagnetic spacer wear more serious, should be timely change into new nonmagnetic spacer.
4, clock type time relay
clock type time relay delay is not accurate, much as clockwork failure, should be timely repair the clockwork.
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