Clear Short-wave Lamp vs Reflector-coated Short-wave Lamp for PET Preform Infrared Heating
The expensive mistake is to change hardware before the job has a measurable definition. Start with the workpiece, the acceptance test and the operating envelope. That keeps the investigation narrow enough to learn from.
Compare the Same Job
A useful comparison holds the material, geometry, target and acceptance test constant. Otherwise the table compares two different processes.
| Decision factor | clear short-wave lamp | reflector-coated short-wave lamp |
|---|---|---|
| Response | Confirm by measured ramp and control behaviour | Confirm by measured ramp and control behaviour |
| Product interaction | Test on the actual surface and thickness | Test on the actual surface and thickness |
| Integration | Check space, cooling, controls and interfaces | Check space, cooling, controls and interfaces |
| Release evidence | Same acceptance method for both | Same acceptance method for both |
The Deciding Test
Use representative material, a defined start condition and the real acceptance method. Establish a baseline, change one controlled variable, measure the result at more than one location and retain rejected as well as accepted samples. Bottle performance and material distribution—not lamp colour—decide whether the heating profile is acceptable.
Where the Product Record Fits
The current Oyate record describes a 260 mm, 400 V, 3500 W shaped halogen infrared lamp record listing PET preform heating among its applications. That makes it a candidate to review only after the required preform surface, wall and zone-response measurements and mechanical/electrical interfaces are written down. Compare the documented record at Oyate shaped halogen lamp record, then qualify the installed result on representative work. The catalogue is evidence of an available product family; it is not proof of suitability for this task.
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