On a blow molding line, the heating tunnel is where you really earn your uptime. Preforms that run cool give you weak bottles and scrap climbing fast. Overshoot the lamps, and you get crystallization and color issues. You need an IR lamp partner that fits the machine, respects the process window, and can keep up with the shift.
What matters, technically
We build short-wave quartz infrared emitters for PET preform heating, built to OEM tolerances and electrical specs. The output is tuned for quick thermal response, stable temperature profiles, and long life on 24/7 duty. Expect consistent wavelength control, repeatable power density, and filament support that can handle thermal shock at startup and changeover. Each lamp is rated for specific voltages, wattages, and dimensions, with connector types that match the blow molder—typically R7s, mogul ends, or custom terminals.
Why it works in the real world
Compatibility isn’t a promise; it’s a dimension sheet. Our IR lamps fit Sidel Matrix, Krones Contiform, and Husky HyPET platforms, and we also support SACMI, SIPA, and Nissei ASB machines. Match the lamp length, wattage, and mounting to the heating tunnel, and you get predictable preform heating without hot spots or cold bands. The payoff: fewer rejects, fewer lamp swaps, and more consistent bottle weight across cavities. Energy use drops when the emitter matches the reflector geometry and the zone controller, so you stop overdriving zones just to compensate for mismatched parts.
The details that bite
Installation is straightforward, but the details will trip you if you let them. Verify the voltage and connector at the terminal block, confirm lamp positioning against the reflector map, and set zone PID parameters to the emitter curve. Push a lamp hotter than its rating and you shorten its life and shift the spectrum. In humid plants, keep the quartz clean and dry to avoid uneven heating. Plan replacements around PM windows, and keep a matched set of lamps per zone so you don’t throw off the balance.