Emvio products

Extruder mechanism upgraded: Bondtech Dual Drive

Since early July, we have a had a very successful working relationship with Bondtech, the Swedish company producing Dual Drive extruders. The Bondtech extruders without question have brought a step change in reliability of extrusion. Main characteristic of course is the driving mechanism used: Twin counter rotating hobbed wheels. (more…)
CAD mock up of R8 Spindle and QTC tooling

Drawbar tension for R8 and MT3 collets to work safely with QTC tooling?

We have been asked on a number of occasions, and seen in a number of forums, the question of "How much tension should I put on my drawbar when I use  Emvio (or Tormach) repeatable Z tooling?" This question is a very common for those looking to make a pneumatically actuated drawbar using Belville washers. So what do you need to know about Drawbar Tension? (more…)