Non woven fabric is an upstream product in the mask industry. If we cannot find non-woven fabric, it is also difficult for skilled women to cook without rice. A small-scale single-layer melt blown non-woven fabric production line requires non-woven fabric manufacturers to spend more than 2 million yuan, and the price of three layers is even higher, costing more than 7 million yuan. Even skilled start-up experts need to spend at least two to three months debugging from new machines to production. Once a malfunction occurs and the machine shuts down, in addition to the loss of raw material costs, heating and electricity costs, as well as worker labor costs and turnover funds in the factory, it will still miss the golden production time and cause losses. After the malfunction of the melt blown non-woven fabric equipment, it is necessary to contact a professional maintenance team for timely handling. Time is money, and the shorter the time, the lower the loss.
Melt blown non-woven fabric is different from traditional spunbond production. It uses high-speed hot air flow to stretch the polymer trickle sprayed out from the spinneret holes of the module, turning it into an ultra-fine material Short fibers are guided to the top of the roller for cooling, relying on their own adhesive force to form. Its production process is a flowing process, from the loading and unloading of polymer materials, to the melting and extrusion of materials. Through the measurement of a metering pump, a specialized spray hole module is used to spray high-speed hot air flow to reasonably stretch and guide the polymer trickle out of the spray hole. After cooling, it is formed on the roller and received and processed at the lower end of the material, all in one go. Any problem in any link may cause production interruption. It is necessary to detect and solve problems in a timely manner.
The melt blown non-woven fabric production line includes many single equipment, such as the polymer feeding machine, screw extruder, metering pump device, spray hole mold group, heating system, air compressor and cooling system, receiving and winding device. These equipment work independently and are jointly commanded by PC and industrial computer to establish a synchronous and tension control system. It is used to control extrusion and transmission, winding, etc., as well as temperature control system to control heating. The frequency converter still controls fans and cooling, etc. At present, the domestic spray hole mold group cannot achieve high precision and needs to be imported from abroad. Other accessories can already be produced domestically, and the maintenance efficiency will be relatively higher.
Some mechanical problems are easy to detect and solve, such as a broken bearing of a transmission roller, which can produce abnormal noise, and it is also easy to find suitable parts to replace. Or if the reducer of the screw is broken, it will obviously cause speed fluctuations and produce a loud noise.
However, for electrical problems, if a malfunction occurs, it is relatively hidden, such as a broken contact of the PLC, which can cause abnormal linkage. One of the drive optocouplers of the frequency converter is abnormal, causing severe fluctuations in the three-phase current of the motor and even causing phase loss and shutdown. The parameters on the winding tension cannot be matched properly, which can cause uneven winding. Or a certain line may have leakage, causing the entire production line to trip and unable to start.
Touch screen touch glass, due to excessive pressure, or dust and grease running onto the cable heads inside, can cause poor contact or aging of the touchpad, resulting in ineffective or ineffective pressing. It needs to be dealt with in a timely manner.
PLC is usually less prone to damage, but it does not mean that it is less prone to damage. It usually burns out the contacts and power supply, and the corresponding problems can be solved easily and quickly. If the program is lost or the motherboard has problems, it can cause the entire production line to be paralyzed. It is necessary to find a professional company to help solve the problem in a timely manner
The frequency converter and tension control system, due to the relatively high power used on this type of equipment, if cold cutting and dust removal are not paid attention to on site, it is also easy to shut down during the production process due to high temperature and static electricity.
Dongguan Liansheng Nonwoven Fabric Co., Ltd., a manufacturer of non-woven fabrics and non-woven fabrics, is worthy of your trust!
Post time: Jun-21-2024