Stainless steel heat break April 23, 2016 12:24PM |
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Re: Stainless steel heat break April 24, 2016 04:58PM |
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That would not cope well with the heat rising up inside the filament. Depending on the hotend, the extrusion speed, retract and the material printed you can get away with minimal cooling without a fan. To make sure xtrusion works reliable active cooling is useful.Quote
Pawan
Why do we need a machined heat sink with active cooling like the E3Dv6? Cant we have a ceramic hollow cylinder with a threaded end into the tapped heater bloc?
Re: Stainless steel heat break April 26, 2016 07:38AM |
Registered: 15 years ago Posts: 537 |
Quote
Pawan
Why do we need a machined heat sink with active cooling like the E3Dv6? Cant we have a ceramic hollow cylinder with a threaded end into the tapped heater bloc?
Re: Stainless steel heat break April 26, 2016 07:53AM |
Registered: 11 years ago Posts: 5,780 |
Quote
PRZ
Personal experience (more than 25 years old) have shown 304 SS tensile strength increased from 500 MPa to more than 1200 Mpa for a skin of ~0.2 mm.
So, if properly machined (and this is a big if), the reduced thickness of the tube under the heat break groove is much stronger than most think and rupture side load on the nozzle may be more than 20 kg.