Injection Molding
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Unreasonable Section Temperatures in PBT '2079851475616104452
Problem Phenomenon
Unreasonable temperature settings of each barrel section lead to poor plasticization or local degradation.
Cause Analysis
The temperature of each section is not set in a decreasing manner according to the characteristics of PBT; the temperature difference between sections is too large or too small.
Solution
Adopt the recommended temperature control curve: feeding section 220-230°C, compression section 240-250°C, metering section 250-260°C.
Key Takeaway
PBT section temperature control is the basis of precision '2079851475616104452.
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