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Stokes

by 271828, published

Stokes by 271828 Jan 26, 2013

Description

A delta 3D printer based off of the three vertical drive towers used on the Rostock printer. Designed for 1.75mm ABS.

Recent Comments

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Thank's Verry apreciated!

I uploaded an .stl file and the best cell phone pic i could get. The belt is overlapped, teeth locking together, forming the proper length and wrapped with wire. The spliced section is slid into the slot in the part and held in place by the tension of the belt.

Nice Work! I am Starting to plane one, Base on Makerslide. Do you have a picture of the link part to the belt?

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License

Stokes by 271828 is licensed under the Attribution - Non-Commercial - Share Alike license.

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Instructions

CNC milled from 1/2" 2024-T351 aluminum plate and 1/2" ABS sheet.
Parts used:
LM12UU linear bearings
12mm diameter 13" rods
Nema 23 stepper motors
HTD 3m belts and pulleys
Sanguinololu V1.3a
StepStick A4988 from Botronicz
24V 13A Philips power supply
preloaded Traxxas 5347 rod ends
7" diameter, 1/2" thick heated aluminum print surface
0.35mm stainless steel print nozzle
modified Marlin firmware

Comments

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Frank_The_Rock on Mar 20, 2013 said:

Nice Work! I am Starting to plane one, Base on Makerslide. Do you have a picture of the link part to the belt?

271828 on Mar 21, 2013 said:

I uploaded an .stl file and the best cell phone pic i could get. The belt is overlapped, teeth locking together, forming the proper length and wrapped with wire. The spliced section is slid into the slot in the part and held in place by the tension of the belt.

alex_mp on Mar 6, 2013 said:

Great job! Now about the aluminum extruder, where can I get one of those?

271828 on Mar 7, 2013 said:

Thank you! Aluminum extruder? For extruding aluminum? Just set it to 850C and get MIG aluminum wire, remember to take lots of pictures...

Johann on Jan 27, 2013 said:

Very good-looking heavy-duty machined parts!

271828 on Jan 31, 2013 said:

Thank you! The aluminum parts might be overkill but they do look good.

cerberus333 on Jan 26, 2013 said:

I have to say I have been a doubter about the Rostock printer capabilities.
the print quality I see here really is a compelling argument that it is indeed
a very good design. I am particularly interested in the higher z dimension prints.
the size of the print and the level of detail are pretty impressive for a non-cartesian design. I am pleasantly surprised. Good job!

271828 on Jan 26, 2013 said:

The positional accuracy can be quite
good if attention is paid to the geometry and size of drive pulleys.
The largest issue is backlash in the rod ends. This can be
compensated for by applying preload in the direction of the
connecting rods with a total magnitude in the range of two times the
mass of the end effector.

steeve_becker on Jan 26, 2013 said:

great job !

271828 on Jan 26, 2013 said:

Thank you!

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