http://ir-heating-ware.com/en/tags/parts/ Recent content in Parts on Professional IR Heating Ware Hugo en-us Fri, 26 Jun 2026 07:23:46 +0800 http://ir-heating-ware.com/en/posts/sidel-preform-heating-box-parts/ Fri, 26 Jun 2026 07:23:46 +0800 http://ir-heating-ware.com/en/posts/sidel-preform-heating-box-parts/ <p><img src="http://ir-heating-ware.com/images/1b9c2637d312f5383b58ed80f7a6411b.png" alt="Sidel preform heating box parts"></p> <p>On a blow molding line, the heating box is where the run lives or dies. If preform temperature starts to drift, you’ll see the fallout fast—PET bottles splitting at the shoulder, haze showing up in the sidewall, or weight drift that keeps you chasing the fill line. On Sidel machines, the heating tunnel has to be kept tight, and the emitter stack is the first line of control.</p>