Processing Machinery
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ABS burnt nozzle factors
Problem Phenomenon
ABS burnt nozzle orifice too small and temperature too high, common inducement of front-end burnt.
Cause Analysis
ABS burnt nozzle factors; orifice too small and melt flow speed too fast; severe local shear; temperature too high; front-end burnt; nozzle design and maintenance.; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solution
①Appropriate nozzle orifice; ②temperature control; ③shear management; ④nozzle maintenance; ⑤front-end burnt troubleshooting.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
The nozzle factors of ABS burnt are the front-end key point; orifice and temperature are both important; maintenance prevents failure.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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