Rotary vane vacuum pump application in the vacuum molding machine -

vacuum molding machine is a kind of sucking polyvinyl chloride, polyethylene, polypropylene, polyester, high impact polystyrene, thermoplastic plastic coil machine. Heated plastic into various shapes of high-grade packing box, frame and other products. Produced using a vacuum water pump, vacuum suction will soften after polyvinyl chloride, polyester thermoplastic plastic sheets by mould for blister, such as to form various shapes of vacuum enclosures, blister tray, bubble shell, etc. Recently, many vacuum molding machine users asked me company which brand of vacuum pump is more suitable for vacuum molding machine, which type of vacuum pump is more suitable for vacuum molding machine. The answer is given recommend rotary-vane vacuum pump application in the vacuum molding machine. For this reason, small make up then I'll give you a detailed explanation.

rotary vane vacuum water pump is a very good application in this respect. It has the following characteristics:

1. High efficiency and energy saving, energy saving more than 70%.

2。 Rotary vane vacuum pump with 13 kg air compressor pressure head, in the half light load operation under vacuum, theoretical service life of more than 400000 hours ( Equivalent to 80) Don't change the head, 20 years.

3。 Don't need a lot of water to save water and water pipe project.

4。 Rotary vane vacuum pump adopts frequency conversion control, automatically adjust the vacuum degree, provide stable vacuum pressure, reduce the production of failure.

vacuum pump is mainly used for vacuum forming process. Produced by the vacuum pump suction is used for heating and softening plastic suction materials, the material closely attached on the plastic suction grinding tool, thus forming products. According to the thickness of the material, there are two major categories: thick material and the thin material.

suction machines in the choice of the vacuum pump:

when choosing vacuum pump suction machine, need to choose according to the specific process, vacuum water pump, mainly refer to the following two main parameters:

vacuum: the vacuum is a way to express the degree of thin air, usually with palmer, millibars mba, mm hg etc.

blister products after molding, products of bubbles is mostly caused by the defect of product, because the vacuum can not meet the requirements. Compared with the deep groove products, vacuum degree requirements are relatively high.

( 2) Traffic: refers to the vacuum pump in unit time through closed pipe or effective by the pumping volume of fluid, usually expressed as m3 / h and l/s, l/min.

is an important symbol of measuring the suction vacuum flow. Choosing a vacuum pump, we should pay attention to the specifications of the products and thickness of calculation for an hour or a minute need to take how much air, to determine how much pump flow.

compared with the cold mechanical equipment, many users tend to ignore it. Rotary vane vacuum pump application in the vacuum molding machine need to be like other mechanical equipment daily maintenance, in order to better play to its performance. We need to pay attention to several problems in the process of maintenance:

1. Vacuum pump oil should be added in time, depending on the color of the oil mirror, if the color becomes black thick, it must be replaced.

2。 Vacuum pump is abnormal noise, should stop the pump, check the pump in the cause of the noise, to prevent the pump cylinder wear.

3。 Shenzhen vacuum pump manufacturer of oil mist separator should be replaced in a timely manner, usually once every 2000 hours, in case of oil mist separator failure pump smoke.

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