In the solar industry, many factories will choose the Leybold SV300 vacuum pump, and the Leybold vacuum pump as the world.

Recognized brand vacuum pump, the quality is also trusted by the customer, and in actual production, why is the vacuum pump stuck often?

To understand the cause of the card death, we must first understand the structure and working principle of the Leybold vacuum pump. Vacuum pump principle

In a circular pump body (stator) with an intake valve and an exhaust valve, an eccentric rotor and three blades that move by centrifugal force in the rotor groove are provided, and the blades divide the pump into three parts, and their volumes are Tian rotation of the rotor, periodic variations, the suction gas is completed, compression, discharge process, so that the gas is sucked at a suction port, a vacuum is formed.

The Leybold SV300 vacuum pump is also operated by three blades in the rotor to generate a vacuum by centrifugation.

If the vacuum pump is not stuck, we must ensure that the blades can be brushed freely. In the solar industry, because the chemical gas in the press is pumped together to the pump body of the vacuum pump, the glue is sticky and easy to apply. the stick blade on the blade grooves, the blades are not free of the brush, the gas chemicals and easy to make the vacuum pump oil emulsion, over time, will produce vacuum pump oil sludge, clogging of the pipe, making it easier to make the vacuum pump Stuck.

In response to the above problems, we must prevent the Leybold SV300 vacuum pump from being stuck, it is best to install a set at the air inlet.

The filter device filters the EVA glue first (adding a gas storage tank and a set of filter paper made of exhaust filter paper at the air inlet ), filtering the EVA in the filter device as much as possible, and cleaning the fuel tank as much as possible when replacing the vacuum pump oil. each time replacing the vacuum pump oil change completely, not enough to see the vacuum pump oil vacuum pump oil is added. Vacuum pump oil should be replaced regularly.


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This hot air circulating drying oven is tray mode intermittent universal drying equipment which is high in utility, widely used in medicine, chemical industry, food industry, light industry, electronics and other fields.

1.This drying machine uses electric heating elements as the heat sour

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3.After switching on the electric power, switch on the fan. The rotational direction of fan shall consist with the mark.


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