Extruder Body

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Bill of Materials

Image	Name	Description	Source	Files	Qty
	Barrel	Make from 0.5 in ID DOM steel	Made	step, drawing	1
	Breaker Plate	Make from 1/2 in aluminium bar	Made	step	1
	Cooling Tube	Make from 3/8 in OD 1/4in ID brass tube	Made	step, drawing	1
	Feed Throat	Make from 0.5 ID DOM Steel	Made	step, drawing	1
	Heater Zone 3	Make from fiberglass insulated nichrome wire.	Made	step	1
	Heater Zone 4	Make from fiberglass insulated nichrome wire.	Made	step	1
	Heater Zone 5	Make from fiberglass insulated nichrome wire.	Made	step	1
	Hex Bolt 9-16 in by 1 in long	Can be a bit difficult to find. Could be made on lathe.	Made	step, drawing	1
	Hopper	Weld from 1/8 x 2 in flat bar and 3/4 x 1/8 in angle	Made	step, drawing	1
	Nozzle	make from 1/2 in brass rod	Made	step, drawing	1
	Floor Flange 1 in		Purchased	step	1
	Heating Tape 1-2 in x 24 in 104 watt	briskheat.com BIH051020L or BIH052020L depending on voltage	Purchased	step	2
	Insulation	High temp insulation e.g. https://www.grainger.com/product/OWENS-CORNING-1-Thick-4LFD2	Purchased	step	1
	Merchant Coupling 1-2 in	This type of coupling has straight (NOT TAPERED!) threads all the way through.	Purchased	step	1
	Nut 1-4 in		Purchased	step	4
	Pipe Nipple 1 in Short	Just long enough to leave about 1/2in between the floor flange and reducer.	Purchased	step	1
	Pipe Reducer 1 to 1-2 in		Purchased	step	1
	Set Screw M4 by 8 mm long		Purchased	step	3
	Ship Auger 1-2 in by 18 in long	WoodOwl.com recommended for larger 7/16 in shank size.	Purchased	step	1
	Socket 7-16 in	Pick size to fit auger shank. 3/8 in drive.	Purchased	step	1
	Socket Cap Screw M3 by 16 mm long		Purchased	step	1
	Spring Pin 1-8 in by 1-2 in long		Purchased	step	2
	Thermistor		Purchased	step	5
	U Bolt 1-4 in 1 in ID	U center to center distance is 1.25in	Purchased	step	2

Tools needed for assembly

Item No.	Image	Name
1		Allen Key 2 mm
2		Allen Key 2.5 mm
3		Hammer
4		Nail Punch
5		Pipe Wrench
6		Wrench 11 mm
7		Wrench 13-16 in
8		Wrench 7-16 in
9		Wrench 8 mm

Making The Parts

Go to Making the Extruder Body Parts for information on how to build the following parts:

• Barrel
• Feed Throat
• Breaker Plate
• Nozzle
• Hex Bolt 9-16 in by 1 in long
• Cooling Tube
• Heater Zone 3
• Heater Zone 4
• Heater Zone 5
• Hopper

Assembly

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Attributions for images used on this page

• By Benjamint444 - Own work, CC BY-SA 3.0, Link
• By Benjamint444 - Own work, CC BY-SA 3.0, Link
• By Butch - Own work, CC BY-SA 3.0, Link
• By RIDGID - Own work, CC BY-SA 3.0, Link