Out on the plant floor, the Blomax heating tunnel runs hot, and downtime costs real money. When halogen lamps start to fade or go out, preform heating drifts, stretch blow molding gets squirrelly, and you end up losing good bottles. We built replacement lamps for the SIG Blomax 4/6/8 to put that control back where it belongs. What matters, technically These are direct-fit emitters for the Blomax 4/6/8. The quartz tube dimensions and R7s connectors are exact, so they drop in without any mods. Pick halogen or short-wave infrared depending on your preform wall thickness and cycle speed. Each lamp is rated for stable output across the full voltage window, with consistent spectral response so the preform shoulder and body heat evenly. We match the OEM focal distance and power density, so the heating profile stays repeatable. Why this matters on the line In stretch blow molding, stable preform temperature is what keeps bottle weight consistent, cuts pinholes, and keeps scrap down. With these lamps, you restore the original heating curve, so you can push speed without chasing hot and cold bands. In practice, teams see fewer lamp changes and less unplanned downtime. Energy use drops because the emitter hits setpoint faster and holds it with less overshoot. That combination typically lowers cost per bottle—through less scrap, fewer changeovers, and lower electricity per cycle. A few shop-floor notes Installation is straightforward, but the heating tunnel is brutal on hardware. Before swapping, confirm lamp orientation and check reflector condition—misalignment shows up fast as uneven heating. Also inspect the lamp holder contacts; oxidation causes voltage drop and shortens lamp life. If you switch from halogen to short-wave infrared, retune dwell time and power so you don’t scorch the preform surface. We provide the parameters to make that transition controlled and predictable.