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 The rotation of the crucible rotor periodically changes to complete the suction, compression, and discharge of the gas, so that the gas at the suction port is sucked to form a vacuum.
The Leybold SV300 vacuum pump is also operated by three blades in the rotor. The vacuum is generated by centrifugal action. If the vacuum pump is not stuck, we must ensure that the blades can be brushed freely. In the solar industry, it will be pressed because of pumping. The chemical gas is pumped together to the pump body of the vacuum pump. Together with the glue, the glue is sticky, and it is easy to stick the blade to the groove of the blade, so that the blade cannot be freely brushed out, and the chemicals in the gas easily emulsifie the vacuum pump oil. For a long time, the vacuum pump oil will produce sludge and block the oil pipe, which makes it easier to kill the vacuum pump.
In view of the above problems, we must prevent the Leybold SV300 vacuum pump from being stuck. It is best to install a filter device at the air inlet to filter the EVA glue first (add a gas storage tank and a set of exhaust gas at the air inlet). Filter paper made of filter paper), try to filter EVA in the filter device. When replacing the vacuum pump oil, try to clean the fuel tank. Replace the vacuum pump oil every time. Do not add vacuum pump oil if you don't see the vacuum pump oil. Vacuum pump oil should be replaced regularly.
If you have any questions, please contact us. National Customer Service Hotline: 4000-3883-06
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