Stop Replacing Your SIG Blomax Tubes Every Other Week
If your SIG Blomax line is chewing through heating tubes, you probably already know the frustration. You swap one out, everything looks fine, and then—pop—another one goes. Most people think it’s a voltage spike or a power issue. But honestly? It’s usually just that the lamps can’t handle the stress. High-speed blowing machines are violent environments. Between the constant vibration and the rapid heat cycling, standard tubes just give up.
Why they actually break
Think about what’s happening inside that oven. To soften those preforms instantly, you need a massive amount of heat. The quartz expands and contracts fast. If the glass is cheap, it develops these tiny micro-fractures. Once a tiny crack opens up, the halogen gas leaks out, the filament oxidizes, and the whole thing burns out. It’s a domino effect. We fixed this by reinforcing the quartz itself. It makes the lamp tougher. It can take a beating and keep glowing without snapping.
Getting the fit right
We built these specifically for the Blomax footprint. One thing we obsessed over was the contact points. If the ends don’t fit perfectly, you get arcing at the sockets. That chars the connector and kills the lamp way faster than it should. We tightened the tolerances on the end caps so they sit flush. No gaps, no sparks. You get the exact wattage and voltage your oven zone needs. Just a heads-up: since these reinforced tubes can push more heat, your reflectors have to do more work.**Keep them clean.**If they’re dusty, the heat bounces right back into the tube and fries the filament.
How to switch
No need to mess with your wiring or rewrite your controller settings. Just pull the burnt tube, slide in the reinforced one, and lock it down. That’s it. It stops the endless cycle of weekly replacements and actually lets you keep the line running.