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MT2 Hot End for RepRap 3d Printer,Prusa,Mendel,Printrbot. with space age TORLON

$77.50 Buy It Now Sold, $6.50 Shipping, 14-Day Returns

Seller: martyondrums (500) 100%, Location: Terryville, Connecticut, Ships to: US, Item: 150865016722 NEW MT3 is here!!! SEE item # 151027696122Picture is of the new MT3 only 1 MT2 left Fits Gregs and Wades Extruders!!!Hot End extrudes 3mm diameter filament!!! We now offer Hot Ends in 1.75mm filament size!!! This hot end is fashioned after some of the leading hot ends in the field but with many improved modifications. Most hot ends have barrels made from PTFE or PEEK material for heat resistance and moderate strength. I decided to go the extra mile and make the barrel out of TORLON. TORLON: Also known as PAI or polyamide-imide, has a continuous operational temperature to 260°C. TORLON maintains its tensile strength, shape, and rigidity better than PEEK, even at the high end of its temperature range. It also handles a wider temperature range then ULTEM (The materials used in most medical applications) and meets UL 94V0 for flammability. Although TORLON is 2 to 3 times more costly then the other materials, my hot ends have a proven track record of 20 plus hours of continuous operation printing ABS at a temperature of 230° with no clogging or deflection. This is crucial when you are printing large parts that take hours to print. The heating head and the nozzle are of the highest quality brass and are uniquely manufactured in two pieces. This gives you the ability to change nozzle sizes without having to undo all the wiring of the resistor and thermister. Within just a few moments you are heating up the new nozzle and ready to print with a different diameter. ABS or PLA can be extruded with my hot end. If your using PLA, then your printer must have a small fan attached to it to cool the hot end near the extruder. This is common with all hot ends for PLA tends to crystalize if it is kept at the melting temperature too long. The fan helps to let the PLA gradually get hot as it is extruded down the barrel of the hot end. KIT INCLUDES: HOT_END: 1 BODY (made from space aged TORLON) 1 NOZZLE (made from high quality brass) with Φ.35mm, Φ.50mm, or Φ.60mm openings 1 MANIFOLD (made from high quality brass) 1 PTFE TUBE Φ1/4 O.D. with Φ3mm I.D. or Φ1.75mm I.D. 1 5/16-24 Hollow Lock Set Screw 100K THERMISTOR: Tolerance 1% Termination: Radial Dimensions: Φ2.3mm x 4.1mm long Power Rating 50mW Beta Value: 4066 Type: NTC THERMISTOR INSTALL INCLUDES: 1 2 Pin Molex connector (Used in Printerboard & RAMPS) 2 Molex connector pins 1 Length of Thermistor PTFE Sleeve 2 Crimping ferrules 1 Teflon coated wire 5.6 ohm POWER RESISTOR 5.6 ohm Tolerance: 1% Style: Axial Composition: Wire-wound Size: Φ5.5mm x 12.7mm long Lead free POWER RESISTOR INSTALL INCLUDES: 1 4 Pin Molex connector (Used in Printerboard & RAMPS) 2 Molex connector pins 1 Length of Resistor PTFE Sleeve 2 Crimping ferrules 1 Teflon coated wire NOTE: Hot ends come assembled and wire sleeves are covered with PTFE shrink tubing to protect crimped connections. Resistor and Thermister are wrapped in place with heat resistance Kapton tape. Molex connectors are completely assemble on the proper ends. (4 Pins for Resistor and 2 Pins for Thermister) Please specify the Filament size and Nozzle diameter size in the notes when checking out. If not specified Φ.50mm will be shipped with Φ3mm filament.Hot End Options are: Φ3mm or Φ1.75mm filament and Φ.35mm, Φ.50mm or Φ.60mm nozzle Overall length is approximately 70mm Item will be shipped within 2 Business days after cleared payment. NOTE !!!!!! No returns on items that have been damaged due to overheating. We test every hot end to 225°C for 15 minutes so we know that they leave in perfect working condition. It is buyer's responsibility to maintain proper hot end temperatures and keep hot end filament passage clean and clear from foreign objects.

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