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LingXin polyurethane elastomer equipment which highlights

What are the highlights of the new polyurethane elastomer equipment, mainly including the application of advanced technologies such as equipment automation level, integrated design technology, electromagnetic heating technology, closed-loop control heat conduction oil heating system, insert slide valve technology and metering system.

The automation level of linxin polyurethane elastomer equipment is continuously improved

As the polyurethane elastomer casting equipment generally adopts PLC and industrial control computer, the technical parameters can be calculated and analyzed and the automatic control is realized, which changes the backward mode of traditional program controller or single chip microcomputer.

The current automatic polyurethane elastomer equipment has the following advantages :(1) the flow rate, ratio, pressure, temperature and other parameters of the equipment can be automatically controlled and stored; (2) control software upgrade to make the operation interface more intuitive, simple and rich; (3) remote control of high-end equipment.


Complete equipment for polyurethane elastomers

The modular integrated design technology is adopted

Through modular optimization design on equipment head, metering pump and other devices, polyurethane elastomer casting equipment has the following advantages :(1) improve the reliability and stability of the equipment; (2) easy to use and maintain; (3) compact equipment structure, good control.

The application and promotion of electromagnetic heating technology in equipment

lectromagnetic heating technology has been gradually applied and popularized in elastomer equipment since 2010. Electromagnetic heating technology is an ideal high-efficiency and energy-saving technology at present, and its economic and social benefits are very significant.

The advantages of electromagnetic heating technology are high efficiency and energy saving, easy to use and maintain, and fast heating speed.



Application of closed loop control heat conduction oil heating system in equipment

The closed-loop control heat conduction oil heating system mainly USES heat conduction oil to realize internal circulation heating, avoiding direct contact with air and oxidation of carbon deposit. The heating system has the following characteristics :(1) the system is not easy to accumulate carbon, which avoids the phenomenon of scaling and blocking the channel; (2) greatly improved thermal efficiency and reduced operating energy consumption; (3) extend the service life of the equipment and reduce the service cost.


Multi - component elastomer equipment with plug - in slide valve technology

The introduction of plug-in slide valve technology enables multi-component devices. Cartridge valve technology is mainly used for automatic control of hydraulic system, such as aircraft, missiles, satellites, etc., due to its use of power, compact structure, small size, electric, pneumatic and other technologies are irreplaceable. A single metering system consisting of cartridge valves becomes a unit, which can be combined to provide a multi-component device. Twelve components have been made, each of which can be self-assembled by computer. The main advantages are as follows :(1) it can be matched with any composition and proportion to meet the requirements of different formulas; (2) it is convenient to add additives, additives, colorants and other trace solvents to various formulas; (3) the whole process of automatic control can be realized through the computer, which is the key link for the replacement of human labor by machines in the future.

Measurement system optimization design technology

Optimization design of metering system this technology is mainly aimed at the design and technical treatment of polyurethane elastomer pouring machine with different discharge (flow), so as to improve the accuracy and stability of the metering system of raw liquid. At present, it has been able to design high-precision ultra-micro elastomer casting equipment with flow accuracy ≤3 g/s, which can be applied to dispensing and sealing various electronic products of satellite connectors, as well as used as experimental equipment of universities and scientific research institutions.

At the same time, this technology can be used to develop equipment with extremely large amount of discharge (flow). At present, in the domestic market, the high temperature casting machine of polyurethane with prepolymer process has been able to discharge 100 kg/min, and the medium temperature pouring machine with semi-prepolymer process has been able to discharge 1,000 kg/min, which is widely used in the lining of large pipes, paper roller and other extra-large products. In the thermoplastic (TPU) elastomer equipment, due to the use of mass flowmeter and closed-loop servo control, the accuracy can reach more than 2‰. Figure 9 is a TPU automatic nc thermoplastic body pouring machine.