Injection Molding
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Insufficient Pressure Supply of PBT '2079851475616104452 Hydraulic System
Problem Phenomenon
During the injection or holding stage, the hydraulic system pressure cannot reach the set value.
Cause Analysis
The hydraulic pump is worn and the output is insufficient; the proportional valve is stuck and responds slowly; the system leaks; the hydraulic oil is insufficient or contaminated.
Solution
Check and maintain the hydraulic pump and valve block; replace the hydraulic oil and keep it clean; check the pipeline sealing.
Key Takeaway
Insufficient PBT injection pressure directly affects filling and holding.
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