
On a blow molding line, the heating tunnel is where uptime gets won or lost. Run a Sidel SBO 24 and uneven preform heating shows up fast—thin walls, stress whitening, and more scrap every time you change over. When standard emitters drift off-spec, the heat profile goes sideways. Then you’re chasing quality instead of running cycles.
What matters, technically
The Sidel SBO 24 infrared radiator is built as a direct, parameter-matched swap for the machine’s OEM heating module. It’s short-wave infrared, quartz envelope—fast, controllable response right where you need it: in the heating tunnel, getting preform surface temperature up quickly without scorching. It’s engineered to the SBO 24’s envelope—right lamp length, base type, and connector alignment. That means you can drop it in without hacking brackets or rewiring the heater block.
Why it plays in the real world
On the floor, that precision shows up. Stable output and tighter temperature repeatability mean preforms heat more uniformly, so you can push cycle speed without the rejects climbing. Energy use drops because the emitter heats on demand and holds setpoint cleanly. We’ve seen lines cut heating-related scrap by roughly 2–3% and cut unplanned heating stoppages, which translates straight into better machine availability. Operators spend less time tuning the tunnel after lamp changes, so changeovers are shorter and the line keeps moving.
The practical details
Installation is straightforward, but treat it like any critical component. Confirm lamp orientation and check reflector condition before you swap, and make sure the power supply matches the rated voltage. Life depends on the environment. Keep the heating tunnel clean, dry, and ventilated—otherwise the lamp runs hot and its run time gets cut short. Schedule replacements during planned maintenance so the heat profile stays consistent shift after shift.