Thermocouple

I. Simple method of measuring temperature Contact Temperature Measurement: Use a contact surface thermocouple thermometer to directly measure the metal surface temperature of the hot runner's runner p

I. Typical start-up time for the most common situations Applicable Conditions: Hot runner is cooled down (total temperature < 60℃), insulation resistance is steady > 20MΩ, and wiring is do

I. Measures for prevention of preheating Hot Runner Dryness Check: Verify that the hot runner is fully dried and cooled, and that the insulation resistance is steady and ≥20MΩ. Avoid residual

I. Materials with High Degradability Polyvinyl chloride (PVC) Degradation Trigger Temperature Above 180℃, rapid breakdown. If the temperature of a local section of the hot runner is above 200℃, a subs

I. Odor and visual checks Nozzle overflow observation During heating, watch periodically a little amount of molten material overflowing from the hot runner nozzles. The most immediate symptom of an on

I. General Frequency of Inspection for all stages of Hot Runner Heating Ambient Temperature → Low-Temperature Preheating Stage (Ambient temperature to 30°C below heat distortion temperature o

I. Total time for calibration of a single channel sensor Total Time: 30 to 45 minutes Core Time Elements: 10 minutes for regular thermometer docking and debugging + 15-25 minutes for single channel te

I. Insulation Performance Re-Test 2.8. Stable Insulation Test at Room Temperature: Re-test the insulation resistance of all heaters channel by channel using a 500V digital megohmmeter, and the insulat

I. Retesting Timing Retesting should begin immediately following calibration of the sensor. There is no need to wait any longer, it is directly related to the stable state of the calibrated system and

I. Immediate test for check after calibration Start Time: Start immediately after sensor calibration without waiting time. Test directly under stable working conditions at the rated operating temperat

I. Events That Trigger Retesting Requirements Heater Leakage Fault: After leakage repair and sensor calibration, a comprehensive retest must be initiated immediately to remove remaining crosstalk effe

I. Basic Approaches to Judgment Standard Instrument Comparison Method Operation Method: The probe of high-precision temperature monitoring instrument(CNAS calibration) is placed near the relevant temp