You are here: Home » Insights » What is the significance of sewing machine knife?

What is the significance of sewing machine knife?

Publish Time: 2022-11-25     Origin: Site

The correct use of sewing machine knife can help increase the speed of garment industrial production. Therefore, in the market, the higher quality sewing machine knife can be welcomed by consumers, the market demand is also increasing.


  • What are the solutions to common problems of sewing machine knife?

  • How to replace sewing machine knife?

  • How to set up the working program of sewing machine knife?


What are the solutions to common problems of sewing machine knife?


  1. Adjust the thread cutting time of sewing machine knife.


  2. Adjust the position of the sewing machine knife trimming solenoid, and adjust it in conjunction with the trimming cam.


  3. Push open the hook cover of the faulty side, turn the hand wheel of the sewing machine by hand, and observe whether the upper thread slides from the surface of the shuttle cover to be retracted smoothly (mainly observe whether the hook action can ensure that the upper thread is connected to the surface of the shuttle cover and the shuttle block. Pass through the needle plate gap smoothly), otherwise adjust the position of the hook to ensure that the upper thread can pass between the surface of the hook cover and the hook and between the shuttle block and the needle plate.


How to replace sewing machine knife?


  1. Unplug the power plug, turn off the power switch of the device,


  2. Use a screwdriver to press the oil shield down, and you can see the fixing screws of the sewing machine knife.


  3. Use a wrench to unscrew the fixing screw of the sewing machine knife counterclockwise. There is no need to unscrew the screw, just loosen it.


  4. Put down the electric scissors of the electric cutting machine and take out the blade from the bottom,


  5. Take out the tip removal board of the tool magazine and clean up the cloth scraps in the sewing machine knife.


  6. Insert the new sewing machine knife from the bottom knife magazine opening of the electric scissors,


  7. Engage the sewing machine knife with the screw, and adjust the position of the blade and the knife magazine tongue through the handwheel.


  8. The bottom end of the sewing machine knife is level with the bottom end of the knife magazine tongue, and it is not exposed.


  9. Fix the blade with a wrench, and then restore the oil shield to its original position, so that the replacement of the sewing machine knife is complete.


How to set up the working program of sewing machine knife?


Generally, the use of sewing machine knife is divided into two situations


  1. After sewing, the sewing machine knife automatically trims the thread


  2. After sewing, the operator presses the thread trimming button to trim the thread.


  3. Generally the manufacturer will help you set it up. If there is a problem with your sewing machine knife, and the thread cannot be cut in the above two cases, you'd better ask the manufacturer.


STRONGH MACHINERY TECHNOLOGY CO.,LTD is known for high precision sewing machine knife. If you want to order the sewing machine knife, you can connect them.


Copyright  2021 STRONG H MACHINERY TECHNOLOGY Co.,LTD   Sitemap   Support By Leadong