Processing Machinery
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Insufficient Temperature Control Upper Limit of PSU Equipment
Problem Phenomenon
PSU processing requires high temperature but the equipment temperature control maximum upper limit is below 400°C; process requirements cannot be met; forced to produce at lower temperature with poor quality.
Cause Analysis
PSU-type materials require the temperature control device to have a maximum temperature upper limit value of ≤400°C with an error between actual and set of ±5°C; ordinary equipment has insufficient temperature control capability; control stability in the high-temperature zone is poor.
Solution
①Confirm temperature control upper limit ≥400°C during equipment selection; ②Verify temperature control accuracy of ±5°C; ③High-temperature zone stability testing; ④Do not schedule PSU production on equipment with insufficient capability.
Key Takeaway
The 400°C temperature control upper limit of PSU equipment is an entry condition; ±5°C accuracy is the guarantee of stable production; equipment capability assessment comes first.; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence
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