P3Steel Proteins

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Introduction | Bill of materials | Proteins | Vitamins | Y-axis assembly | X-axis assembly | Connecting X-axis and Z-axis | Motor assembly | X and Y-axis motions | Heated bed assembly | Extruder assembly | Electronics and wiring

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Proteins

In RepRap jargon, a Protein is anything that you need to make a RepRap, which a RepRap can make itself.

The P3Steel printer is a derivative work of the Prusa Iteration3 and is compatible with most of its proteins.

Incompatible parts are those replaced by steel parts on this design and not needed.

All STL files listed here are available at:GitHub

Carriage parts

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Endstop holders

This part allows the attachment of the endstops to the frame. You will need 3 for a basic setup (homing axes) and 6 if you want to sense both ends of each axis.

Different endstops can be attached to the P3Steel printer. Here we list some options.

	Endstop 1	Endstop 2	Endstop 3	Endstop 4
Image
Files	endstop-holder.stl	Hall_Endstop.stl	hall_endstop_holder.stl	endstop-clamp.stl
Sensor type	Mechanical	Magnetic	Magnetic	Not Specific
Author	Josef Prusa	schlotzz	jridley	Obijuan

X-Axis motor end

This part holds the X-Axis motor, fastens the Smooth rods of the X-Axis, holds two LM8UU bearings for the left Z-Axis smooth rod and the nut for the left Z-Axis threaded bar.

Different X-Axis motor ends can be fitted to the P3Steel printer. Here we list some options.

	X Motor End 1	X Motor End 2	X Motor End 3	X Motor End 4
Image				N/P
Files	x-end-motor-abs.stl	x_end_motor.stl	x-end-motor.stl	N/P
Author	Josef Prusa	Unknown	Xoan Sampaiño	N/P

X-Axis idler end

This part holds the X-Axis idler, fastens the Smooth rods of the X-Axis, holds two LM8UU bearings for the right Z-Axis smooth rod and the nut for the right Z-Axis threaded bar.

Different X-Axis idler ends can be fitted to the P3Steel printer. Here we list some options.

	X Idler End 1	X Idler End 2	X Idler End 3	X Idler End 4
Image				N/P
Files	x-end-idler-abs.stl	x_end_idler.stl	x-end-idler.stl	N/P
Bearing Ø	8mm	4mm	4mm	N/P
Author	Josef Prusa	Josef Prusa	Xoan Sampaiño	N/P

X-Axis carriage

The moving part of the X-Axis, I'ts binded to the X-motor by a timing belt and slides from left to right carrying the extruder and hot end.

Different X-Axis carriages can be fitted to the P3Steel printer. Here we list some options.

	X Carriage 1	X Carriage 2	X Carriage 3	X Carriage 4
Image			N/P	N/P
Files	x-carriage.stl	x_carriage.stl	N/P	N/P
Author	Josef Prusa	Josef Prusa	N/P	N/P

Y-Axis belt holder

This part goes attached to the bottom of the Y-Axis carriage, I'ts bonded to the Y-motor by a timing belt allowing the Y-Axis carriage to slide front to back carrying the build platform (heated bed).

The design of the P3Steel printer includes an steel part to serve as Y-Axis belt holder but plastic belt holders can be fitted too.

	Y Belt holder 1	Y Belt holder 2
Image
Files	y-belt-holder.stl	Irobri_Y_Belt_holder.stl
Author	Josef Prusa	Irobri

Extruder

Different extruders can be fitted to the P3Steel printer. Some fit straight and some need especial X-Carriages or adaptation. The chosen extruder will require specific Vitamins so you should have clear what hot end will be used, then choose the correct extruder variant and then its vitamins (motors, bearings, hobbed bolt/pulley,etc)

Some extruder examples listed.

Gregs Wade Extruder

Image	Part (STL)	Quantity	Commentaries
	biggearmod_fixed.stl	1	Big Gear
	smallgearmod_fixed.stl	1	Small Gear
	gregs-wade-v3-motor.stl	1	Extruder
	gregs-extruder-v3-idler-mod.stl	1	Extruder idler

Optional parts

Y-Axis Idler end

This is a simple Y Ider to replace the steel support. Two screws make possible the adjustment of the Y Belt tension.

	Y-Axis Idler 1
Image
Files	Irobri_Y_Idler.stl
Author	Irobri

EXPERIMENTAL PARTS

There are experimental parts not (fully) proven here