The seven common faults and removal of wire lock machine equipment

cause of issue:

â‘  There is adhesion on the signature;

â‘¡High and low angles are not suitable.

Approach:

â‘ Check the signatures and remove the stuck signatures;

â‘¡Adjust the high and low angle.

2. Bookmarks are skewed and reduced

cause of issue:

â‘  Improper coordination of the timing of pick-up and post-feeding with the book shelf;

â‘¡The position of the conveyor chain is not correct;

â‘¢The brush resistance of the stall book is high during the post-posting process.

Approach:

â‘  Change the angle of the lifting and swinging cam of the delivery roller;

â‘¡Readjust according to the size of the signature;

â‘¢ Adjust the book-stop brush.

3. Missing or missing needle

cause of issue:

â‘  The distance between the thread hook and the needle is too large;

â‘¡The crochet needle is too short or the angle is wrong;

â‘¢The bottom needle is crooked or can't be worn through the signature, the hook hook plate is too thin or the hook groove is too large.

Approach:

â‘  Adjust the distance between the thread hook and the needle to 0.2mm;

â‘¡Long crochet needle or adjust the angle;

â‘¢ Change the bottom needle or raise the bottom needle, and replace with a qualified hook hook plate or hook needle.

4. Broken needle

cause of issue:

â‘  The threading needle, hook thread needle and bottom needle are not in the correct position;

â‘¡The thread hook is too close to the needle.

Approach:

â‘ Check the position of the bottom needle and the needle or needle, and adjust accordingly;

â‘¡Adjust the distance between the thread hook and the needle.

5. Disconnection

cause of issue:

â‘ The pressure of the pressure plate is too high or the cable lever is too tight;

â‘¡ There are burrs on the hooks;

â‘¢The bottom needle rubs against the threading needle and crochet needle;

â‘£ The pinhole is not smooth.

Approach:

â‘ Adjust the pressure of the support spring to the pressure plate;

â‘¡Smooth the hooks and claws smoothly;

â‘¢Adjust the position of the bottom needle, threading needle and hook needle;

â‘£ Change the needle.

6. Inconsistent tightness

cause of issue:

â‘  The pressure of the pressure plate is too low;

â‘¡ The swing of the cable lever is too small;

â‘¢ There is a problem with the distance of the left and right movement of the hook.

Approach:

â‘ Adjust the pressure of the pressure plate on the yarn;

â‘¡Adjust the swing of the wire rod;

â‘¢Adjust the thread catch.

7. A thread bubble appears on the back of the locked thread

cause of issue:

â‘  The signature is thin;

â‘¡The book clip is too tight;

â‘¢ The yarn is loose;

â‘£The height of the desk is too low.

Approach:

â‘  Use interlace lock;

â‘¡ The book clipper is slightly loosened;

â‘¢ The pressure plate is properly compressed;

â‘£ Properly raise the book stand.

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