Add：Rm615, No.8 Building,Shengyu Industry Center, No.365 Chuanhong road, Pudong, Shanghai, China
With the development of the plastics industry, the use of injection molding machines is increasing. However, the noise problem of injection molding machines has always plagued producers and users. How to eliminate the noise of injection molding machine? The following LiSONG injection molding machine manufacturers will introduce to you from the following three aspects.
1. Causes and elimination of motor noise
a.The motor bearing is damaged.
b.Motor coil winding failure.
c.The motor wiring is wrong, and the noise increases when the system pressure rises.
a.Replace the bearing.
b.Replace or repair the motor.
c. Refer to the wiring diagram again for wiring.
2、 Causes and elimination of vibration pump noise
Cause of failure:
a. The installation of oil pump motor is not concentric.
b. The coupling is loose.
c. Internal fault of oil pump.
d. If the oil level is too low, air will be sucked into the oil from the oil filter screen or connector connection.
e. Air is drawn in from the motor drive shaft.
f. The oil filter screen is blocked by oil pollution.
g. When the oil return pipe is loose, air is drawn in or the oil pipe is on the oil surface, and air is mixed into the oil.
a. The concentricity should be adjusted within 0.1 mm.
b. Fix the coupling.
c. Repair or replace the oil pump.
d. The increase of oil quantity is more than 400mm in the oil filter and joint position.
e. Replace the rotating shaft sealing ring.
f. Clean the oil filter and filter the oil.
g. Clean the oil filter and filter the oil.
8. Lock the oil return pipe and extend the oil return pipe under the oil level.
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