Machining center in the process of use can not loosen the knife

Processing center in the process of use, such as the emergence of can not loosen the knife, usually there are the following circumstances:

Cause of failure:

1. loose knife solenoid valve damage;

2. Spindle loose cutter cylinder is damaged;

3. The spindle spring is damaged;

4. The main shaft pull jaw is damaged;

5. Insufficient air supply;

6. loose knife button contact is poor;

7. The line is broken;

8. Loose knife cylinder oil cup is short of oil;

9. The Latin of the customer's shank does not meet the required specifications.

Troubleshooting:

1. Detect the operation of the solenoid valve;

2. Operation of the loose knife cylinder;

3. Damage degree of spring sheet;

4. The main shaft pull claw is in good condition;

5. Detect the damage of the button;

6. Change the line is broken;

7. If damaged, replace it immediately.

Automatic tool changing device common failure and maintenance tool library random tool fault treatment method:

Cause of failure:

1) PMC parameters are lost or the system memory value is inconsistent with the actual value;

2) Tool changing device disassembly and repair;

3) Operator misoperation.

Specific treatment methods:

1) Manually return the knife library to its original position;

2) Through the system PMC parameter screen, the knife counter is initialized to 23;

3) In the MDI mode of the system, the actual tool is sent back to the tool library.