Broken wire problems and solutions

The causes of thread breakage during the suture process are:

● Tensional stress (1)

● Wear (2)

● Needle fever (3)

● Consolidation of 1,2,3 (4)

Question	Recommendations
Needle blocked by dissolved residue	Readjust the tension
Poor quality of suture	Use properly treated stitches instead
Pinhole on the needle plate with burrs	Grind the pin hole or replace the pin plate.
Wrong needle number	Use a needle with a needle number that matches the line code.
The needle thread does not unwind normally from the barrel.	Adjust the upper wire system and check the wire barrel.
The needle thread is tangled in front of the tension adjustment disc	Increase winding and/or increase tension in pre-tensioned wire system
needle overheating	Use coolant such as: yarn oil/gas or use cored wire
Needle thread tension is too low, relax	Readjust the tension
Incorrect hook/hook adjustment	Readjust the position of the rotary shuttle/hook
Broken shuttle tip or hook tip	Grind the shuttle tip/hook tip or replace with a new rotary shuttle/hook.
Needle thread guide element has burrs	Grinding sliding guide element
Insufficient shuttle lubricant	Ensure adequate lubricant supply. Available paper test.
Incorrect needle bar height	Reset needle bar to standard position and check coil formation
Wrong needle model	Change to the correct model
Improper adjustment of adjusting spring	Readjust the adjustment spring

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Jiangsu Flying Tiger Needle Industry Co., Ltd

Address: Shaozhi Industrial Concentration Zone, Qidong City, Jiangsu Province

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