Causes.

1. The coating roller and bearing precision is not enough to form a regular crossbar path;



2. When the coating roller for the active drive, the choice of speed control programme is not appropriate, such as with harmonic reducer direct connection;



3. Tension control system is unstable, or tension isolation is not well set, due to sudden changes in tension caused by the actual speed instantaneous changes; other operations caused by vibration transfer to the coating head;



4. The comma knife clamping mechanism is not stable enough, and there are changes in the operation;



5. The whole machine running speed is not stable, sudden increase or decrease;



6. Unstable liquid level in the storage tank is high or low.


Solution:

1. Check and repair and replace the first off parts excluded;



2. If the coating roller is the main drive point, choose a good adjustment programme, such as using servo motors;



3. In the tension isolation on the hand, on the one hand, so that the tension is stable, on the other hand, so that the operation of vibration will not be transmitted to the coating head to go;



4. Check and improve the clamping mechanism;



5. Stabilise the speed;



6. Keep the liquid level constant.





Nanjing Suminoe Precision Machinery Co., Ltd. is a high-tech enterprise integrating scientific research, production and sales. We always adhere to the business philosophy of honesty, equality and customer benefit. In order to better improve the quality of equipment, it has entered a more professional and standardised production track. Established the independent research and development technology of seven major types of equipment, such as plastic sheet, casting, bi-directional stretching, non-woven meltblown cloth, composite film composite, renewable granulation environmental protection and recycling system, coating machine manufacturing system. The centre and the production department provide a full set of professional and technical solutions to meet the special needs of each customer. Among them, the bi-directional stretch film manufacturing system includes: BOPP bi-directional stretch film manufacturing system, PVC bi-directional stretch shrink film production line, PET bi-directional stretch film production line, BOPA bi-directional stretch film production line, BOPA bi-directional stretch film production line and so on.