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    Main.DarwinExtruderBOMr1.9 - 08 Jul 2008 - 13:55 - AdrianBowyertopic end
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    Darwin Extruder Bill of Materials

    extruder-test

    Part No. off material Supplier In picture
    clamp 1 polycaprolactone RP part A
    motor holder 1 polycaprolactone RP part B
    hex drive 1 polycaprolactone RP part C
    polymer holder 1 polycaprolactone RP part O
    screw holder 1 polycaprolactone RP part P
    PTFE barrel holder 1 16mm PTFE rod   D
    Extruder controller 1 - instructions E
    200:1 geared motor 1 - Greenweld (CDT0302) Pololu (GM3) K
    Heater barrel   M6 brass/steel/Al studding   J
    200mm Heater wire 1 0.2mm nichrome Pelicanwire (32 AWG NICHROME 80) J
    M6 dome nut 1 brass/steel/Al Hardware shop I
    thermistor 1 glass bead type RS (484-0149) I
    Half bearing 2 brass - P
    Screw drive 1 M5 steel studding - Q
    Flexible coupling 1 3mm steel wire - Q
    M5 Drive nut 1 brass/steel - Q
    PCB screw 1 M3 15mm cap screw - F
    25 mm screws 4 M3 cap screws - F
    35 mm screws 7 M3 cap screws - F
    guide screws 4 55mm M3 studding - L
    clamp screw 1 30 mm M4 cap screw - R
    M4 washers 2 brass/steel - S
    M4 nut 2 brass/steel - T
    M3 nuts 20 brass/steel - H
    M3 washers 34 brass/steel - G
    Silicone tube 100 mm 3mm internal - M, N
    Grease 1 small tub - Hardware shop P
    high-temp epoxy 1 set JB Weld Hardware shop I, J

    The picture has 32 M3 washers, but you need 34 (no one's perfect...). Where the material says brass/steel you can choose either, but see the ExtruderMechanicalParts page for more details. There is no significance to the fact that the clamp is green in the picture - we were just trying out a different coloured polymer.

    -- AdrianBowyer - 06 May 2007
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