The stitches of the Automatic Pocket Welting Machine can be classified into two types: lock stitch and chain stitch. The lock stitch is the most common. It consists of two sutures, which are interwoven with each other like a twisted rope. The interlacing point is in the middle of the sewing material. Viewed from the cross section of the stitches, the two stitches are like two locks locked to each other, so they are called lock stitches. its stitch is used for sewing materials such as cotton, wool fabric or leather with low shrinkage. The front and back sides have the same shape, like a dotted line. The stitches are densely distributed, the sewing fastness generally exceeds that of manual sewing.
Chain stitches are formed by self-connection or interconnection of suture loops. Commonly used are single-thread chain, double-thread chain and three-thread overlock stitches. This kind of stitch is characterized by its elasticity and can stretch with the sewing material without breaking the stitch. It is suitable for clothes made of thread elastic fabrics or products and garment blanks that are easy to be sewn.
In addition, the Automatic Pocket Welting Machine can be divided into household, industrial, and service industries according to its purpose. According to the driving mode, it can also be divided into manual automatic patching machine, foot automatic patching machine, and electric automatic pocket machine.
In the process of sewing clothes, sometimes the machine suddenly cannot turn. In the event of such a failure, do not use the hard lever to prevent damage to the machine parts. The reason for the problem is generally caused by the thread end clamped in the shuttle bed. The thread end must be cleaned before use.
When the end of the thread is exposed outside the needle plate, turn the Automatic Pocket Welting Machine ‘s wheel backward with your right hand, and gently pull out the end of the thread with your left hand. If the end of the needle plate is not exposed, remove the shuttle bed. The shuttle bed must be removed before it can be taken out. Another non-rotating situation is caused by the lock of the upper shaft crank and the dalian rod bracket. At this time, the Dalian rod must be disassembled, and the upper shaft crank ball and the inside of the Dalian rod bracket must be polished smoothly with fine emery cloth before it can be used. There is also a situation where a factory wire is clamped between the wheel and the casing and the machine does not turn. Just remove the wheel and remove the end of the wire.
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