PETC preform heating infrared lamp

Wed, 01 Jul 2026 15:27:32 +0800

On the blow molding floor, preform heating is where the cycle kicks off — and where most of your variability sneaks in. If the heating tunnel can’t hold a steady temperature, you’re dealing with uneven wall thickness, blown bottles, and a machine that spends more time alarming than producing. Our PETC infrared lamps are built to drop in where you already run, without having to re-tune the whole line. What matters, technically We match the OEM parameters so the lamp performs like the original, right out of the box. On Sidel machines, the quartz halogen infrared emitters run 240V, 2.0–2.5 kW, with standard R7s connectors and 125–180 mm arc lengths, depending on the heating tunnel layout. For Krones lines, we supply 230V, 1.8–2.2 kW emitters with the same R7s termination and tight dimensional tolerances, so belt-to-lamp clearances stay exactly where they should be. On Husky and SACMI equipment, we match 220–240V, 1.5–2.4 kW ratings and the exact lamp envelope lengths, keeping reflector geometry and the focal line consistent. For SIPA, we provide 240V, 1.8–2.3 kW lamps sized to the preform heating zones, with stable spectral output tuned for fast, repeatable heating. In practice, that means you keep setpoint stability within ±2°C and cycle time where it belongs. Why it works in the real world The gains are straightforward. With 1:1 parameter matching, you skip the rework of re-engineering the heating section and the risk of mismatched power density. The lamps come up to temperature quickly, hold a stable preform temperature profile, and cut scrap from overheated shoulders or underheated body. Energy use drops because the emitter is matched to the zone — no over-spec heating, no wasted kW. We’ve seen units run 5,000+ hours with less than 5% output drop, which means fewer changeovers and less downtime. Here are the details that still matter These are direct-fit replacements, but you still need to get the basics right. Confirm the machine model, voltage, wattage, lamp length, and connector type before ordering. Reflectors and mounting brackets need to be clean and properly aligned. Even a small misalignment shifts the hot zone, and you’ll see it as quality drift. Keep the heating tunnel environment clean, too. Dust and residue on the quartz tube cut efficiency and shorten service life. If you’re running higher line speeds, verify the lamp’s response curve supports the faster cycle without temperature sag.

PETC heat resistant preform heater lamp

Sat, 27 Jun 2026 06:41:13 +0800

If you run PET hot-fill or high-heat lines, you know the routine. The heating tunnel starts chirping temperature alarms. Preforms either scorch or come up short on heat. You watch good bottles get scrapped while the line chases stability. Halogen and quartz infrared lamps age quickly, output drifts, and maintenance ends up scrambling—matching connectors, re-tuning power, and trying to keep rejects from stacking up. What we focus on, technically We build PETC heat-resistant preform heater lamps for the realities of stretch blow molding: short-wave infrared emitters in quartz envelopes, tuned for fast thermal response and tight spectral control. Pick wattage and length to match your blow molder’s heating zone—1200W to 2500W, 300mm to 1200mm—with R7s base or custom ceramic terminals. The geometry lines up with OEM mounting, so the lamp drops into the same bracket with the same focal distance to the preform wall. Output holds steady over 5,000+ hours, and the filament and reflector coating are spec’d to keep heating uniform—no hot spots, no banding. On Sidel, Krones, SIPA, Husky, SACMI, and Nissei ASB machines, the payoff is straightforward. Faster warm-up means less time spent in manual override after a changeover. Tighter temperature control across the heating tunnel cuts scrap from crystallization and thin walls, and it keeps cycle times stable even when you push output. You get fewer stops tied to lamps, predictable replacement intervals, and lower energy use per bottle because the emitter heats on demand without overshoot. Here are a few things that matter on the floor. Plug-and-play only works when the lamp length, wattage, and terminal match the original. Check the holder condition and reflector alignment—mis-seated lamps run hotter and die early. Short-wave infrared heats fast, but it needs clean optics; dust and bottle residue on reflectors will throw off your heating profile. Plan replacements during scheduled maintenance windows, and store spare lamps dry to protect the quartz.

PETC on Compact IR Heating Boxes

PETC preform heating infrared lamp

PETC heat resistant preform heater lamp