Crank Rod Unit Manufacturers

According to the scope of application 1. Medical masks: domestically divided into three categories, medical ordinary masks, medical surgical masks, medical protective masks. 2. Particulate protective masks: industrial use conforms to the GB2626-2019 standard, special labor protection products safety mark certification (LA certification), in 2015, it was changed from compulsory certification to voluntary certification. If it is used to prevent smog, it needs to use the insert type, which must meet the GB/T32610-2016 standard. Civil use meets the GB/T32610-2016 standard. 3. Warm cloth masks: Warm masks, suitable for winter wear, only need to meet the relevant standards of fabrics. Other special industries: such as chemical industry.

When selecting, check whether there is light, peeling and bruising, whether the plate, push plate, panel, upper wheel and other electroplating layers have head paint pins; whether the platen is straight, whether the paint surface is shiny or partially discolored; Recent updates, paint peeling, crooked; whether the upper shaft, lower shaft, and stitching meet the standard requirements.

ethods as below: 1. Change the needle first. 2. Drop the feeding teeth and see if there is pressure on the presser foot. 3. Open the two screws on the needle plate to remove the needle plate and follow: (1) Shake the handwheel on the right side and shake the needle bar to the lowest position (when you shake it, don’t remember it)

If abnormal phenomena are found during work (especially to adjust the abnormality of the operating part), stop it immediately and inform the mechanic to find out the cause, adjust or repair, eliminate the fault, and strictly prohibit the operation of the disease. It is strictly forbidden to dismantle the machine.

Brief analysis of the reasons: the wrong lubricant is added, especially the vegetable oil is added; there is too much dirt in the shuttle bed; the connecting rod screws and cone screws are too tight.

Our professional expertise in manufacturing Industrial Sewing Machine has been honed over the past 20+ years.