Injection Molding
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The Limits of Processing PEEK on Ordinary Machines
Problem Phenomenon
[Problem Phenomenon] When ordinary '2079851475616104452 machines are used to process PEEK, the barrel temperature cannot be reached, or frequent failures occur from long-term full-load operation
Cause Analysis
PEEK requires a barrel temperature of 350-400℃; ordinary machines have a heating upper limit of about 350℃ and long-term full-load operation damages the equipment; a dedicated high-temperature machine with a reinforced screw and barrel is the safe solution
Solution
Evaluate the machine's heating capacity upper limit and long-term operating margin; use dedicated high-temperature machines for mass production projects; when processing low-melting grades on standard machines, confirm the temperature margin and equipment tolerance
Key Takeaway
For PEEK processing, first ask whether the machine can reach 400℃ — barely running at full load is a prelude to failure; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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