15mm White SPEEDFIT Collet Locking Clip - CM1815W - Pack of 10

Product Information

By diving a little deeper into the physics of where the downsides to a bowden system really come from, we can begin to understand how to improve these systems by minimising the negative effects. What needs fixing? Don’t forget that bowden tubes can and do wear over time. Abrasive filament will gradually eat away at the inside of the tubing, and just the passage of filament with drive-wheel toothmarks on it will have an impact. Additionally, the ends where the couplings grip can get chewed up over time, but this is much reduced if you use our new collet clips. We have a new high-performance bowden tube , and ways of making our tube couplings grip the tube more securely using a pre-tensioning clip . These will make your bowden system more responsive and reliable. Read on to find out how. What is a bowden system? In the original incarnations of 3D printer extrusion systems the motor, gearing, filament drive and HotEnd were all built together in a single assembly. The extruder (motor, gearing, and filament drive) thus fed filament directly into the HotEnd.

Push the pipe into the fitting, up to the pipe stop. If the Speedfit Pipe has been cut correctly the insertion mark on the pipe will be level with the collet head. The ‘O’ ring on the Superseal Pipe Insert provides a secondary seal against the bore of the fitting. A good connection has been made. Ensure the pipe is free of score marks. Cut the pipe square. When using Speedfit Barrier Pipe cut along an insertion mark. We recommend the use of JG Pipe Cutters. To prevent damage to the ‘O’ ring remove all burrs and sharp edges.You just have to make sure that you don’t use poor-quality filament with an uneven diameter, which these days is far less of a concern than when we originally introduced bowden versions of E3D HotEnds. The stem of the insert gives greater rigidity of the length of pipe within the fitting, reducing the chance of leaks if a side load is applied. Speedfit Fittings have a unique grip then seal construction made up of a collet with stainless steel teeth to grip the pipe and an ‘O’ ring to provide a permanent leak proof seal. Use of the Superseal Pipe Insert ensures a double ‘O’ ring seal.

An ‘O’ ring at the head of the insert and the shape of the stem, provide a secondary seal against the bore of the fitting. A combination of this and the main ‘O’ ring ensure a good connection.Bowden systems improve print quality because the resistance of the spool to unwinding no longer tugs on the print-head as it moves around" More lag/lash/hystersis/slop/whatever you want to call it. The extrusion system is simply not going to be as responsive as a direct extrusion system Of course, tools need to be used to cut pipes to size and ensure for clean connections between pipes and fittings, but to create the connection itself – no tools are required.

You just need to increase retraction and your bowden system will be as precise as a direct extruder"

Collet covers for use with standard Speedfit fittings, are available in white or in red or blue to allow colour coding of pipes.