OSE Prusa - Revision history

Wneal: /* Bill of Materials */

2019-12-05T19:15:03Z

Bill of Materials

← Older revision		Revision as of 19:15, 5 December 2019
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	=Bill of Materials=		=Bill of Materials=
	[https://~~www~~.~~amazon~~.ca/gp/~~product~~/~~B01BZ5ND8O~~/~~ref=ppx_od_dt_b_asin_title_s00~~?~~ie=UTF8&psc~~=1 OSE Prusa Bill of Materials]		[https://docs.google.com/spreadsheets/d/148mDOMKK5PmyQCcDgddZVEb9jIzrWAqZG4GRGYTVFIg/edit?usp=sharing OSE Prusa Bill of Materials]

	=Build Instructions=		=Build Instructions=

Wneal: /* Notes for Tiffany and Ganesh */

2019-12-02T21:41:37Z

Notes for Tiffany and Ganesh

← Older revision		Revision as of 21:41, 2 December 2019
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	#Slightly shorten a few of the screws on the Extruder.		#Slightly shorten a few of the screws on the Extruder.
	#Solder the two fans with longer wires. Cut the fan wire and solder the longer piece in between so that you may plug the Extruder fan to the board at the D9 terminals.		#Solder the two fans with longer wires. Cut the fan wire and solder the longer piece in between so that you may plug the Extruder fan to the board at the D9 terminals.
	#		#Position the large fan on the top frame crossbar at a 45 degree angle from vertical, directed towards the RAMPS and Arduino. Plug the large fan directly into the 12V power supply.
	#Tighten the springs on the printer bed so that it stays in place as the Y-Axis moves		#Tighten the springs on the printer bed so that it stays in place as the Y-Axis moves
	#Fasten the power supply to the side of the printer.		#Fasten the power supply to the side of the printer.

Wneal: /* Notes for Tiffany and Ganesh */

2019-12-02T21:39:22Z

Notes for Tiffany and Ganesh

← Older revision		Revision as of 21:39, 2 December 2019
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	###Try increasing the extruder Pololu voltage to some value between 0.5V and 1.0V if this is the case (keep the voltage as low as possible)		###Try increasing the extruder Pololu voltage to some value between 0.5V and 1.0V if this is the case (keep the voltage as low as possible)
	##If the spring is too loose, the gear will slip on the filament. Try putting a small object under the spring to slightly increase its tension.		##If the spring is too loose, the gear will slip on the filament. Try putting a small object under the spring to slightly increase its tension.
			#Slightly shorten a few of the screws on the Extruder.
			#Solder the two fans with longer wires. Cut the fan wire and solder the longer piece in between so that you may plug the Extruder fan to the board at the D9 terminals.
			#
	#Tighten the springs on the printer bed so that it stays in place as the Y-Axis moves		#Tighten the springs on the printer bed so that it stays in place as the Y-Axis moves
	#Fasten the power supply to the side of the printer.		#Fasten the power supply to the side of the printer.
	#Run the Z-Axis motor wires and Endstop Wires along the frame and secure them with Zip Ties		#Run the Z-Axis motor wires and Endstop Wires along the frame and secure them with Zip Ties
	#Create a roller for the filament. A metre stick suspended by two boxes may act as a quick start in this regard.		#Create a roller for the filament. A metre stick suspended by two boxes may act as a quick start in this regard.
			#Realign and reposition the Z-Axis Endstop so that the extruder tip stops just above the printer bed.
	#Cover the bed with masking tape.		#Cover the bed with masking tape.

Wneal: /* Other Issues */

2019-12-02T21:35:22Z

Other Issues

← Older revision		Revision as of 21:35, 2 December 2019
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	===Other Issues===		===Other Issues===
	#Extruder Aluminum Block - Holes were not quite the right separation - had to be drilled slightly		#Extruder Aluminum Block - Holes were not quite the right separation - had to be drilled slightly

			==Notes for Tiffany and Ganesh==
			*to prepare the OSE Prusa for its first print test.
			*Here is a checklist of items to prepare:
			#Install the spring on the extruder.
			##The idler bracket may need to be removed to do so.
			##If the spring is too tight, the extruder motor may not be able to turn.
			###Try increasing the extruder Pololu voltage to some value between 0.5V and 1.0V if this is the case (keep the voltage as low as possible)
			##If the spring is too loose, the gear will slip on the filament. Try putting a small object under the spring to slightly increase its tension.
			#Tighten the springs on the printer bed so that it stays in place as the Y-Axis moves
			#Fasten the power supply to the side of the printer.
			#Run the Z-Axis motor wires and Endstop Wires along the frame and secure them with Zip Ties
			#Create a roller for the filament. A metre stick suspended by two boxes may act as a quick start in this regard.
			#Cover the bed with masking tape.

Wneal: /* =3D Printing Issues */

2019-12-02T21:26:28Z

=3D Printing Issues

← Older revision		Revision as of 21:26, 2 December 2019
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	*The build was completed relatively quickly despite the fact that the printed parts were all first prototype copies. Most of the bolt holes had to be drilled slightly. There were several other parts that needed additional holes drilled:		*The build was completed relatively quickly despite the fact that the printed parts were all first prototype copies. Most of the bolt holes had to be drilled slightly. There were several other parts that needed additional holes drilled:

	===3D Printing Issues==		===3D Printing Issues===
	#X-Axis Motor Mount - Additional hole to allow for the smooth rod to pass through. Enlarge motor mount holes. Increase diameter of brass nut holes (4 for 3m bolts and one for the brass nut itself)		#X-Axis Motor Mount - Additional hole to allow for the smooth rod to pass through. Enlarge motor mount holes. Increase diameter of brass nut holes (4 for 3m bolts and one for the brass nut itself)
	#X-Axis Idler - Additional hole to allow for the smooth rod to pass through. Enlarge holes for bearing bolt. Increase diameter of brass nut holes (4 for 3m bolts and one for the brass nut itself)		#X-Axis Idler - Additional hole to allow for the smooth rod to pass through. Enlarge holes for bearing bolt. Increase diameter of brass nut holes (4 for 3m bolts and one for the brass nut itself)

Wneal: /* Build Notes - December 1, 2019 */

2019-12-02T21:24:36Z

Build Notes - December 1, 2019

← Older revision		Revision as of 21:24, 2 December 2019
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	==Build Notes - December 1, 2019==		==Build Notes - December 1, 2019==
			*The build was completed relatively quickly despite the fact that the printed parts were all first prototype copies. Most of the bolt holes had to be drilled slightly. There were several other parts that needed additional holes drilled:

			===3D Printing Issues==
			#X-Axis Motor Mount - Additional hole to allow for the smooth rod to pass through. Enlarge motor mount holes. Increase diameter of brass nut holes (4 for 3m bolts and one for the brass nut itself)
			#X-Axis Idler - Additional hole to allow for the smooth rod to pass through. Enlarge holes for bearing bolt. Increase diameter of brass nut holes (4 for 3m bolts and one for the brass nut itself)
			#Extruder Mount Bracket - increase the width of the GT2 belt slightly
			#Y-Axis Motor Mount - Increase hole diameter of motor mount holes.
			#Y-Axis Idler - increase diameter of holes for the bearing bolt
			#Z-Axis Top Brackets - 4mm holes for attachment to frame
			#Z-Axis Motor Mounts - 3mm holes need to enlarge.
			#Bed Brackets - Small notches for zip ties.
			===Other Issues===
			#Extruder Aluminum Block - Holes were not quite the right separation - had to be drilled slightly

Wneal: /* Extruder */

2019-12-02T21:08:52Z

Extruder

← Older revision		Revision as of 21:08, 2 December 2019
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	==Extruder==		==Extruder==
	This printer makes use of the OSE D3D [[Simple Extruder]]		This printer makes use of the OSE D3D [[Simple Extruder]]

			==Build Notes - December 1, 2019==

Wneal: /* Build Instructions */

2019-12-02T21:08:12Z

Build Instructions

← Older revision		Revision as of 21:08, 2 December 2019
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	=Build Instructions=		=Build Instructions=
	#Purchase and organize all parts from the Bill of Materials		#Purchase and organize all parts from the Bill of Materials.
			#Follow the suggested directions in the following sections:
	==Frame==		==Frame==
	#Make cuts in the 20mmx20mm aluminum extrusions: 400mmx3; 250mm2; 320mm2		#Make cuts in the 20mmx20mm aluminum extrusions: 400mmx3; 250mm2; 320mm2

Wneal: /* Z Axis */

2019-12-02T21:07:32Z

Z Axis

← Older revision		Revision as of 21:07, 2 December 2019
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	#Use small Zip Ties to hold the Y-Axis Belt in place with reasonable tension.		#Use small Zip Ties to hold the Y-Axis Belt in place with reasonable tension.
	#Further tension the Y-Axis Belt with a Clothes Pin Spring.		#Further tension the Y-Axis Belt with a Clothes Pin Spring.
	==Z Axis==		==Z-Axis==
	#Attach the Z-Axis Top Left and Right Brackets to the front of the Vertical Frame Crossbar using T-Nuts.		#Attach the Z-Axis Top Left and Right Brackets to the front of the Vertical Frame Crossbar using T-Nuts.
	#Attach the Z-Axis Motors to the Z-Axis Motor Mounts using M3 bolts.		#Attach the Z-Axis Motors to the Z-Axis Motor Mounts using M3 bolts.
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	#Place the Z-Axis Smooth Rods in the related holes on the Top Left and Right Brackets.		#Place the Z-Axis Smooth Rods in the related holes on the Top Left and Right Brackets.
	#Tighten the Top Left and Right Brackets when you have made the Z-Axis Vertical and ensured that the X-Axis may move smoothly up and down.		#Tighten the Top Left and Right Brackets when you have made the Z-Axis Vertical and ensured that the X-Axis may move smoothly up and down.

	==Extruder==		==Extruder==
	#Attach the Aluminum Extruder Block to the lower two holes of the Extruder Motor and Extruder Mounting Bracket using M3 screws.		#Attach the Aluminum Extruder Block to the lower two holes of the Extruder Motor and Extruder Mounting Bracket using M3 screws.

Wneal: /* Part Library */

2019-12-02T21:07:08Z

Part Library

← Older revision		Revision as of 21:07, 2 December 2019
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	File:OSEPrusaBedBracket.png\|'''OSE Prusa Bed Bracket''' - FreeCAD -[[File:OSEPrusaBedBracket.FCStd]]		File:OSEPrusaBedBracket.png\|'''OSE Prusa Bed Bracket''' - FreeCAD -[[File:OSEPrusaBedBracket.FCStd]]
			File:OSEPrusaBedPlate.png\|''' OSE Prusa Bed Plate''' - FreeCad = [[File:OSEPrusaBedPlate.FCStd]]
	</gallery>		</gallery>
	==Extruder==		==Extruder==
	This printer makes use of the OSE D3D [[Simple Extruder]]		This printer makes use of the OSE D3D [[Simple Extruder]]