How to maintain the jaw electromagnetic clutch?
Release time:
2022-08-25
Jaw-type electromagnetic clutch can be used to control mechanical starting, reversing, speed regulation and braking. It has the advantages of simple structure, rapid action, low control energy, and convenient remote control. Although it is small in size, it can transmit large torque; when the electromagnetic clutch is used for brake control, it has the advantages of rapid and stable braking, so it is widely used in various processing machinery and mechanical transmission systems.
Jaw-type electromagnetic clutch can be used to control mechanical starting, reversing, speed regulation and braking. It has the advantages of simple structure, rapid action, low control energy, and convenient remote control. Although it is small in size, it can transmit large torque; when the electromagnetic clutch is used for brake control, it has the advantages of rapid and stable braking, so it is widely used in various processing machinery and mechanical transmission systems.
The structure of the jaw-type electromagnetic clutch is simple, and it is very convenient to install and maintain. However, in use, the electromagnetic clutch will have different failures due to various factors, so what are the common types of failures? The following briefly introduces the common faults of the jaw-type electromagnetic clutch and their causes.
Under normal circumstances, the failure of the jaw electromagnetic clutch generally occurs when starting, idling and under load, but it often occurs when starting, mainly because it cannot be started or the input voltage of the electromagnetic clutch is too low. regular the input voltage is DC24V, and the power is unstable, the slip or the temperature is high, but there are special circumstances, the input voltage should pay attention to the requirements. The elimination method is to check whether the input voltage is the voltage required by the electromagnetic clutch. When the coil is short-circuited, it is usually replaced or repaired. It is recommended to modify the replaced or modified electromagnetic clutch circuit.
The operation is unstable, and it is likely that the input voltage is unstable. The power of the detection power supply is about 1.5 times the rated power of the electromagnetic clutch, and the voltage fluctuation is within the range of-5%. The solution to unstable operation is to check the voltage and stabilize the voltage. Another situation is friction heating, causing the coil to burn out or short circuit.
How to maintain the jaw electromagnetic clutch? Let's take a brief look. In order to ensure the uninterrupted operation of the electromagnetic clutch, regular maintenance is required:
1. Be sure to add lubricant to the moving parts of the electromagnetic clutch.
2. Regularly check the length of the armature stroke. This is because the stroke length of the armature increases due to wear of the cutting surface during operation of the clutch. When the stroke length of the armature cannot reach the normal value, it must be adjusted to restore the small gap between the braking surface and the turntable. If the stroke length of the armature increases above the normal value, the suction force may be greatly reduced.
3. If the worn brake surface is replaced, the smaller gap between the brake surface and the turntable should be properly adjusted again.
4. Always check the tightening degree of bolts, especially the bolts of the electromagnet, the bolts of the electromagnet and the housing, the bolts of the yoke, the bolts of the electromagnet coil and the connecting bolts.
5. Regularly check the mechanical wear of moving parts and remove dust, lint and dirt on the surface of electromagnet parts.
Key words:
Jaw electromagnetic clutch
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