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Estrusore Micro Swiss completo in metallo con barra a collare per massimiszzare il raffreddamento con ugello da 0.4mm
All Metal Hotend w/ SLOTTED cooling for Wanhao i3
WANHAO i3 All Metal Hotend w/ Slotted Cooling Block, Step by Step Installation Instructions.
This is Micro Swiss All Metal Hotend kit with redesigned cooling block for Wanhao i3 with the following improvements:
Slotted Clamping system
No set screw to ding and damage thermal tube
Significantly better heat transfer (this is a big one!!!)
Easier disassemble and adjustments
Tight control on bore diameter
Micro Swiss All Metal Hotend Kit Features:
All metal hotend upgrade for MK10 style extruders. This upgrade includes a modified thermal barrier tube and modified nozzle with modified cooling block. Thermal barrier tube is made from 2 different materials. The lower thermal break is made from stainless steel, and the colder upper part is made from aluminum. Stainless steel was used for thermal break because it offers low thermal conductivity, and aluminum was used for the upper portion because it has a lot better thermal conductivity, to carry away any heat from the filament. All metal hotend will let you print at much higher temperature then possible with original PTFE lined one.Another benefit of an all metal hotend design is more consistent melt chamber control. During slow extrusion rate, in PTFE lined hotend, transition zone from solid to molten plastic tends to creep upward creating more stringy prints. With all metal design a transition zone is always constant, being located right at the heat break. With fast extrusion rate, PTFE tube doesn't have enough thermal conductivity to properly melt all the plastic coming out. On MK10 extruders that limitation happens around 60 mm/s, depending on nozzle size. All metal hotend solves this problem, plastic is surrounded by thermally conductive nozzle throughout its length.
1 Thermal tube
1 Cooling block