Tower Crane Brake Disc also called Crane Brake Pad including Hoisting Brake Disc, Slewing Motor Brake Disc and Trolleying Disk Brake Pad, is used for tower crane hoisting motor, trolleying motor and slewing motor. Tower Crane Brake Disc is the easy wearing spare parts for tower crane, therefore the quality is very important. BQ provides good quality Brake Pad, which is composed of steel plate, adhesive heat
insulation
layer and friction block. The steel plate is applied to resist rust. In
the painting process, smt-4 furnace temperature tracker is used to
detect the temperature distribution in the coating process to guarantee
the quality.
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The experimental instrument has large cooling capacity and fast cooling speed, which greatly improves the working efficiency; the flow of the local circulating pump can be adjusted and customized, which can meet the actual needs of different users; all models of this machine can be at low temperatures according to the requirements of users. With a reasonable amount of cooling capacity, low temperature and container volume. During the use of the instrument, due to improper use or routine maintenance, there are often some such failures. How do we deal with these problems? Below we analyze some actual problems.
1, failure: no temperature display
Possible causes: Check whether the circuit board connection cable is detached, whether the sensor is detached, and whether water is splashed on the circuit board.
Solution: Plug in the cable, dry the circuit board and turn it on.
2. Failure: No cooling or slow cooling
Possible causes: The system has leaks, and the system has dirty plugging.
Solution: Ask a professional to repair.
3, failure: no external circulation
Possible reasons: The circulation pump is blocked, the power box is disconnected, the valve is open, and there is ice formation in the circulation pump.
Solution: Check the cable, remove the blockage, open the valve
4, failure: the whole machine without electricity
Possible causes: Leakage protector protection, fuse blown, power supply phase sequence error
Solution: Adjust the position of two fire wires, replace the fuse, and reset the leakage protector
In fact, experimental personnel should generally strengthen the routine maintenance and maintenance of experimental instruments, not only to extend the life of the instrument, but also improve the efficiency of use. Through the analysis of the common failures of the experimental instrument cryogenic coolant circulating pump, we hope to help everyone work and study.
Low-temperature coolant circulating pump is used as an experiment commonly used experimental instrument, which can be used with a variety of instruments (rotary evaporator, fermentor, chemical reactor, freeze-drying equipment, biopharmaceutical reactor, etc.).