Weldy EX2/EX3 Feeding Screw Guide: Function, Wear & Replacement
Quick answer The extrusion welder feeding screw is the auger inside the barrel of a Weldy BOOSTER EX2 or BOOSTER EX3. It takes welding rod from the inlet, conveys it through the heated barrel and...
Extrusion Welder Rod Feed Problems: Slipping, Surging & No Output
Quick answer An extrusion welder feed problem is a change in the way the welding rod is pulled into the extruder: rod that slips, surges or stops moving. On a Weldy BOOSTER EX2 or BOOSTER EX3 the...
Weldy Booster Drive Brushes 115.069: Compatibility & Wear Signs
Quick answer 115.069 carbon brushes (drive motor brushes) are the drive brushes for the BOOSTER EX2 and BOOSTER EX3 hand extrusion welders. They sit in the drive motor that feeds welding rod into...
Extrusion Welding Thick HDPE & PP: Single-Pass vs Multi-Layer Welds
When fabricators weld thick HDPE or PP sheet, one of the first questions is whether the joint needs one pass or several. The common assumption is that heavy sections always demand multiple layers. ...
Weldy Booster EX2 vs EX3: Which Extrusion Welder Should You Buy?
Quick Answer: Booster EX2 — compact, lighter, 1.5–2.2 kg/h output. Best for tank fabrication, restricted-access repairs, and smaller PP/HDPE work. Booster EX3 — longer barrel, 2.5–3.6 kg/h output....
Plastic Welding Accessories Guide: Nozzles, Rollers & Welding Rods
Quick Accessory Guide Nozzles control heat distribution — pick by welding style (speed, overlap, tacking). Rollers ensure consistent fusion pressure — 40 mm silicone is the all-rounder. Welding ...
