Dongguan Zuolong Machinery Co., Ltd. is a scale and specialization company of automatic cutting machine production. Zuolong Machinery always sticks to the business philosophy of 'efficient cooperation and mutual benefit'. We adhere to the enterprise spirit, which is to be hard-working, pragmatic and diligent. It would be our pleasure to partner with you and together, we can create a better tomorrow. The thread trimming machine of Zuolong Machinery is applicable to the following areas. Zuolong Machinery's products are deeply loved by consumers. Some products of industrial sewing machine series will be shown below. The performance of this product is able to achieve the highest levels of satisfaction of our valuable clients. It is energy-saving as its power consumption is about 5% of ordinary machines. The product is gaining a wide client base around the world and will be more widely adopted in the future. It has memory to store settings and can be used directly when turned back on. our team is committed to providing customers with quality products. Customers are welcome to contact us. We look forward to establishing a long-term friendly relation with you!

Does the steel bar section connected by straight thread must be a plane? 40 It needs to be flat,Industry standard JGJ107-2010 of 6.1.The first article of 2 has requirements,\ 'The steel end face should be cut flat after the goods are upsetting and processed.\ 'There are more specific requirements for the standard of thick straight thread in the previous pier,The requirement is a plane not greater than 4 degrees.Generally, it is necessary to use a grinding wheel cutting machine to cut flat.It's better to cut it with a cutting machine,

Old-fashioned household sewing machine old jumper what's going on? This is what I collected in the sedan net,I don't know if I can solve your problem.1, can not lead the bottom line.Analysis: the shuttle line is too short, the shuttle line is stuck in the shuttle door, the machine needle is too high,The shuttle can't hold the wire ring.Processing Method: lengthen the shuttle line and check whether the bottom line is stuck,And exclude it.Needle rod connecting shaft firm screw loose needle Rod moving up,The needle stick should be lowered,Re-needle,Tighten the fastening screw.2. the needle rod moves.Analysis: needle hole, needle Rod wear, needle rod connection screw looseness,Needle rod displacement.Treatment method: change the needle Rod sleeve,Or choose a new needle Rod, re-needle;And tighten the tightening screw.3. jump through a number of needles.Analysis: Shuttle wear,The tip of the swing shuttle is too blunt, the needle is too high or too low.Treatment method: change the shuttle, adjust the height