Customized IR module for PET factory

Mon, 22 Jun 2026 22:56:51 +0800

On a PET blow molding line, uneven preform heating shows up fast—thin walls, blown threads, and scrap. When the heating tunnel can’t hold setpoint, the blow molder has to slow down, and OEE takes a hit. We build IR modules that drop in as a direct replacement for OEM-spec emitters, so you keep the machine’s performance and take the guesswork out of the heating profile. What matters technically We tailor each module to the heating window your blow molder needs, using short-wave quartz emitters chosen for quick, repeatable response. You can spec output density, lamp geometry, and mounting to match the original R7s or ceramic socket layout, so the module installs without any custom bracketing. Wattage and voltage are set per zone—front, middle, rear—so you get stable surface temperature across the preform neck and body. Matched reflectors focus the energy where it belongs, which cuts wasted heat and keeps temperature drift off the preform wall. Why it works in stretch blow molding In stretch blow molding, the preform has to hit the right temperature profile before the stretch rod and high-pressure air do their work. Tighter control over that profile means fewer rejects and more consistent bottle weight. Because the module matches the OEM footprint, you skip long changeovers and swap it in minutes. The payoff is more uptime, less scrap, and energy draw you can plan for, cycle after cycle. Things to keep straight on the floor Installation is straightforward if the tunnel is clean and the electrical contacts are good, but alignment is non-negotiable. Mis-mounted emitters create hot and cold bands, so set the gap and angle to the preform path and verify with a handheld pyrometer. Also confirm voltage stability at the terminal—line sag will shorten emitter life. Make time for routine reflector inspection, too. Dust and residue kill output and push heating time up.

Module on Factory Direct Infrared Heaters

Customized IR module for PET factory