Cutter for 4 and 6 mm PTFE tubing

cults3d

The principle of the torch is taken from here (video from Chucha TV) https://www.youtube.com/watch?v=mWpZzDmuSaI&t=435s, but the modeling of the parts is entirely mine. Option 1. A standard 18 mm double-edged construction knife blade is used as the cutting element. Break off a 26mm long segment from the blade (first risk on the hole side) - usually this part of the blade blunts the least and is most often just thrown away when it's replaced. The blade is installed into the corresponding lever and fixed with 2 heads of screws M3x4...6. The swivel axes of the levers are 2 standard pins 3x14. In order to print all parts without supports, I divided the Pressure Lever into 2 parts (Pressure Lever_1 + Lever Sleeve), which I then glued together. This design gives good quality trimming of the PTFE tubing, but the torch turned out (in my opinion) too miniature - although perhaps some might like that. There is even some desire to add a protrusion with a hole for the ring in the base part (to make a keychain torch). If anyone would like such a keychain - write me, I'll add such a variant of the torch base model! Option 2. Same construction principle, but I increased the size of the parts for more convenient (stationary, at the workplace near the printer) use. The clamping lever is one piece, all parts can be printed without supports in one set. The blade is the same as in var.1, fastened in the same way. The pins for the lever axes are 3 x 22 mm (I found 3 x 30 mm and did not cut them, they do not interfere). The quality of tube trimming (perpendicularity of the trimming plane to the tube axis) is excellent with this tube cutter!