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Bfb RapMan 3 Instruction Manual

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RapMan 3
Hot End Manual RapMan V3.1.0
D o c u m e n t N o : D 1 0 0 2 4 2

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Summary of Contents for Bfb RapMan 3

  • Page 1 RapMan 3 Hot End Manual RapMan V3.1.0 D o c u m e n t N o : D 1 0 0 2 4 2...

  • Page 2: Table Of Contents

    RapMan V3.0.0 Hot End Kit Contents How to use this manual...............................2 Included in the kit ...............................3 Making up the un-insulated nichrome.........................4 Making up the insulated nichrome ..........................7 Making up the thermistor ............................9 Nozzle assembly................................ 11 Wrapping the un-insulated nichrome ........................13 Wrapping the insulated nichrome ..........................

  • Page 3: How To Use This Manual

    RapMan V3.0.0 Hot End Kit How to use this manual This manual is for the Bits from Bytes hot end kit. Please read the manual fully before starting the build as a little prior knowledge can be very useful! D o c u m e n t N o : D 1 0 0 2 4 4 Page: 2...

  • Page 4: Included In The Kit

    RapMan V3.0.0 Hot End Kit Included in the kit 1 Nozzle 0.5mmØ or 0.25mmØ depending on kit 1 Stainless steel 2mm laser-cut nozzle holder 1 PEEK insulator support 1 Aluminium heat sink tube 1 PTFE insulator tube 1 MDF insulator 1 Insulation retainer 1 200K thermistor 1 Nichrome wire...

  • Page 5: Making Up The Un-Insulated Nichrome

    RapMan V3.0.0 Hot End Kit Making up the un-insulated nichrome Cut nichrome wire 210mm D o c u m e n t N o : D 1 0 0 2 4 4 Page: 4...
  • Page 6 RapMan V3.0.0 Hot End Kit Strip 30mm of insulation from the end of both 2m grey wires Cut 4 x 35mm yellow heat proof sleeve D o c u m e n t N o : D 1 0 0 2 4 4 Page: 5...
  • Page 7 RapMan V3.0.0 Hot End Kit Check the resistance of the wire is between 4.5Ω and 5.5Ω D o c u m e n t N o : D 1 0 0 2 4 4 Page: 6...

  • Page 8: Making Up The Insulated Nichrome

    RapMan V3.0.0 Hot End Kit Making up the insulated nichrome Check nichrome is 690mm long Strip 5mm insulation from each end Cut 4 x 35mm yellow heat proof sleeve Crimp connection D o c u m e n t N o : D 1 0 0 2 4 4 Page: 7...
  • Page 9 RapMan V3.0.0 Hot End Kit Repeat from step 5 at the other end Check the resistance of the wire is between 4.5Ω and 5.5Ω D o c u m e n t N o : D 1 0 0 2 4 4 Page: 8...

  • Page 10: Making Up The Thermistor

    RapMan V3.0.0 Hot End Kit Making up the thermistor Strip 30mm of insulation from the end of both 2m purple wires Use the heat-proof sleeve cut previously D o c u m e n t N o : D 1 0 0 2 4 4 Page: 9...
  • Page 11 RapMan V3.0.0 Hot End Kit D o c u m e n t N o : D 1 0 0 2 4 4 Page: 10...

  • Page 12: Nozzle Assembly

    RapMan V3.0.0 Hot End Kit Nozzle assembly Push the PEEK insulator into the aluminium nozzle until only 15mm sticks out Cut the end of the PTFE to 90 D o c u m e n t N o : D 1 0 0 2 4 4 Page: 11...
  • Page 13 RapMan V3.0.0 Hot End Kit Cut the PTFE flush to the MDF D o c u m e n t N o : D 1 0 0 2 4 4 Page: 12...

  • Page 14: Wrapping The Un-Insulated Nichrome

    RapMan V3.0.0 Hot End Kit Wrapping the un-insulated nichrome Use the clips provided to hold the wires Ensure no wires are touching Fire-cement the wires into place and cook in an oven at 100 C for 15 minutes or leave overnight in a warm place D o c u m e n t N o : D 1 0 0 2 4 4 Page: 13...

  • Page 15: Wrapping The Insulated Nichrome

    RapMan V3.0.0 Hot End Kit Wrapping the insulated nichrome D o c u m e n t N o : D 1 0 0 2 4 4 Page: 14...
  • Page 16 RapMan V3.0.0 Hot End Kit Coat the nichrome wire with fire-cement Connect the heater to the fan connector on the PCB – this is a convenient source of 12V Turn on PCB for 3 minutes - this will cook the fire-cement D o c u m e n t N o : D 1 0 0 2 4 4 Page: 15...

  • Page 17: Fitting The Thermistor

    RapMan V3.0.0 Hot End Kit Fitting the thermistor Put a small amount of fire-cement into the thermistor mounting hole and push the thermistor into the fire-cement D o c u m e n t N o : D 1 0 0 2 4 4 Page: 16...
  • Page 18 RapMan V3.0.0 Hot End Kit Check the resistance of the thermistor – it should be between 200kΩ and 300kΩ at room temperature Cook the fire-cement for 2 minutes D o c u m e n t N o : D 1 0 0 2 4 4 Page: 17...

  • Page 19: Moulding The Final Shape

    RapMan V3.0.0 Hot End Kit Moulding the final shape Mould the final shape so the nozzle end is slightly larger to hold the silicone insulator in place D o c u m e n t N o : D 1 0 0 2 4 4 Page: 18...

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