How to identify the quality of sewing machine parts?

1, computer sewing machine accessories: needle plate and cloth teeth

The needle plate and the cloth tooth of the medium-speed needle car are double rows, and the latter half has a large force. When the operator uses a sewing machine with an inverted material wrench for the feed operation, it is easy to hit the needle. If there is a needle injection phenomenon, the needle plate will collapse. This phenomenon is not easy to occur with good quality needle plates.

Test method: put Luosidao into the slot on the needle plate, and shake left and right, carefully observe whether the force deformation, such as deformation is inferior product. Not only that, but this shows that computer needle car accessories need to be selected.

2, computer sewing machine accessories: pressure foot

Test Method: Use pliers to bite the foot to see if it can bite out prints. (The quality of needle plate and pin and tooth delivery are good. Taiwanese 12481 delivered tooth fastening screws with TAI WAN print and 12481 Arabic numerals in the middle. This product is durable and durable, and the tip of the delivered tooth is not prone to skid). And ... Suitable for all kinds of computer needles.

3, computer sewing machine accessories: machine needles

Select the high speed double-section, silver-white, nickel-plated computer needle car accessories produced by the Shanghai Diamond Needle Factory, especially the needle. Because most sewing enterprises use high-speed needle cars, many sewing products are new waterproof materials. And chemical synthetic fiber materials, Therefore, the computer needle machine needle must be resistant to high temperature, generally chrome-plated needle is not suitable, even if available, the effect is not ideal.

4, computer sewing machine accessories: spinning shuttle

In Japan, there is a mark in the middle of the gyro skin of the gyro shuttle. The printing is fine and convex, the plating is smooth and soft, and the hand feels smooth and hairless. The left side of the gyro shell is printed as N, and the right side is printed as T.

The spiral shuttle frame also plays an important role in the accessories of computer sewing machines. The electroplating surface is brighter, the hand feels hairy, and the printing place on the spiral shuttle skin is rough and rough. The hardness of the spiral shuttle tip is not enough, and it is easy to appear when using. Fur and blunt tip phenomenon.