Movable Knife Manufacturers

Discover the materials that are compatible with pattern sewing machines with this guide.

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.

Careful cleaning and cleaning to ensure that the parts of the computer car are clean is the basis for ensuring the quality of the assembly and prolonging the service life of the computer car. Especially the shaft sleeves, bearings, oil pumps, and parts containing rotating and swinging fittings should be cleaned carefully.　If the various shaft parts are not cleaned when assembling them, it may cause the shaft sleeve to heat up too high and the transmission torque to be too heavy.

When picking, see if the machine head is bright, whether there is stripping and bumping, whether the plating layer of the needle board, push plate, panel, upper wheel is intact;