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Dongguan Punok Vacuum Technology Co., Ltd

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Goldman Sachs Technology Park, Nancheng District, Dongguan City, Guangdong Province

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Reasons and elimination methods for Roots vacuum pump failure

NegotiableUpdate on 05/14

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Nature of the Manufacturer: Producers

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Overview

Root cause and elimination method of Roots vacuum pump failure: $r $n Fault 1: Low ultimate pressure $r $n Reason: $r $n (1) Pipeline and system leakage $r $n (2) Pump partial leakage $r $n (3) Pre pump limit pressure drops $r $n (4) Lubricating oil is too dirty or does not match the brand $r $n (5) Oil seal wear $r $n (6) Overflow valve leakage $r $n Elimination method: $r $n (1) System leakage $r $n (2) Pump leakage $r $n (3) Repair or replace the previous pump $r $n (4) Replace the lubricating oil $r $n 5) Replace the oil seal $r $n (6) and clean the overflow valve

Product Details

Dongguan Punok Vacuum Technology Co., Ltd. is a company specializing in the production and processing of Roots vacuum pumps, vacuum systems, dry vacuum pumps, rotary vane vacuum pumps, oil-free vacuum pumps, micro vacuum pumps, vacuum units, imported vacuum pumps and other products. It has a complete and scientific quality management system. The integrity, strength, and product quality of Dongguan Punok Vacuum Technology Co., Ltd. have been recognized by the industry. Welcome friends from all walks of life to visit, guide and negotiate business

Reasons and elimination methods for Roots vacuum pump failure：

Fault 1: Low ultimate pressure

Reason:

（1) Pipeline and system leakage

（2) Pump leakage

（3) Front pump limit pressure drops

（4) Lubricating oil is too dirty or the brand does not match

（5) Oil seal wear

（6) Leakage at the overflow valve

Elimination method:

（1) System leak detection

（2) Leak detection of pumps

（3) Repair or replace the front stage pump

（4) Exchange lubricating oil

（5) Replace the oil seal

（6) Clean the overflow valve

Reasons and elimination methods for Roots vacuum pump failure

Fault 2: Insufficient pumping speed

Reason:

（1) Insufficient pipeline conductivity

（2) The pumping speed of the front stage pump decreases

（3) Leakage at the overflow valve

Elimination method:

（1) Increase the conductivity of pipelines

（2) Repair or replace the front stage pump

（3) Clean the overflow valve

Fault 3: Motor overload

Reason:

（1) Excessive inlet pressure

（2) The rotor end face is in single-sided contact with the end cover

（3) Pre stage pump returns oil to the pump chamber

（4) The overflow valve is stuck, causing the outlet to be too high

Elimination method:

（1) Adjust and control the inlet pressure

（2) Adjust the clearance between the rotor end faces

（3) Equipment for preventing oil backflow in the device

（4) Clean the overflow valve

Fault 4: Overheating

Reason:

（1) The selected front-end pump has insufficient pumping speed, resulting in excessive compression ratio

（2) Excessive inlet pressure

（3) Poor cooling

（4) The lubricating oil in the gearbox is too high

（5) Contact between rotor and pump casing

（6) Poor lubrication of gears, bearings, and oil seals

Elimination method:

（1) Re select the front-end pump

（2) Adjust and control the inlet pressure

（3) Smooth cooling

（4) Adjust the fuel quantity

（5) Repair and maintenance

（6) Ensure appropriate oil level and good lubrication

Fault 5: Abnormal sound

Reason:

（1) Poor assembly

（2) The deviation between the guide gear and the rotor position causes the rotor to collide

（3) The entry pressure is too high

（4) Damage to gears caused by overload or poor lubrication

（5) Bearing wear

Elimination method:

（1) Reinstall

（2) Adjust the position to ensure clearance

（3) Adjust and control the inlet pressure

（4) Swap gears

（5) Replace bearings

Fault 6: Severe early wear of bearings and gears

Reason:

（1) Poor lubricating oil

（2) Insufficient lubricating oil

Elimination method:

（1) Exchange lubricating oil

（2) Supplement lubricating oil