Ohm/How to build an OHM
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Contents
Introduction
The Open Hybrid Mendel (OHM) has several advantages over the generic Mendel model. Mainly, it is more flexible. The extruder carriage and printing board are designed to easily pop off the machine without unscrewing any parts.
All STL files mentioned in this article are referring to, and can be downloaded from the OHM Parts section.
Mechanical Construction
Frame
Frame Triangles
Parts
To make the frame triangles, 6 frame vertices, 2 bar clamps and 6 threaded bolts are needed.
Assembly
(Assembly guide. Delete this note when section is finished)
Tips
(Extra tips to help assemble. Delete this note when section is finished)
Connecting the Triangles
Parts
(Parts needed for assembly. Delete this note when section is finished)
Assembly
(Assembly guide. Delete this note when section is finished)
Tips
(Extra tips to help assemble. Delete this note when section is finished)
Z Drive System
Z-Axis Motor Mounts
Parts
(Parts needed for assembly. Delete this note when section is finished)
Assembly
(Assembly guide. Delete this note when section is finished)
Tips
(Extra tips to help assemble. Delete this note when section is finished)
Z-Bar assembly
Parts
(Parts needed for assembly. Delete this note when section is finished)
Assembly
(Assembly guide. Delete this note when section is finished)
Tips
(Extra tips to help assemble. Delete this note when section is finished)
X-Z Assembly
X-Axis Motor Mounts
Parts
(Parts needed for assembly. Delete this note when section is finished)
Assembly
(Assembly guide. Delete this note when section is finished)
Tips
(Extra tips to help assemble. Delete this note when section is finished)
X-axis Z-bar clamp
Parts
(Parts needed for assembly. Delete this note when section is finished)
Assembly
(Assembly guide. Delete this note when section is finished)
Tips
(Extra tips to help assemble. Delete this note when section is finished)
Connecting the X-Axis to the Z-Axis
Parts
(Parts needed for assembly. Delete this note when section is finished)
Assembly
(Assembly guide. Delete this note when section is finished)
Tips
(Extra tips to help assemble. Delete this note when section is finished)
Z and X axes Endstops
Parts
(Parts needed for assembly. Delete this note when section is finished)
Assembly
(Assembly guide. Delete this note when section is finished)
Tips
(Extra tips to help assemble. Delete this note when section is finished)
OpenY Axis
Y-axis Guide Bars
Parts
(Parts needed for assembly. Delete this note when section is finished)
Assembly
(Assembly guide. Delete this note when section is finished)
Tips
(Extra tips to help assemble. Delete this note when section is finished)
OpenY Assembly
Parts
(Parts needed for assembly. Delete this note when section is finished)
Assembly
(Assembly guide. Delete this note when section is finished)
Tips
(Extra tips to help assemble. Delete this note when section is finished)
Print Bed
Parts
(Parts needed for assembly. Delete this note when section is finished)
Assembly
(Assembly guide. Delete this note when section is finished)
Tips
(Extra tips to help assemble. Delete this note when section is finished)
Motors, Belts and Pulleys
Parts
(Parts needed for assembly. Delete this note when section is finished)
Assembly
(Assembly guide. Delete this note when section is finished)
Tips
(Extra tips to help assemble. Delete this note when section is finished)
Extruder
Carriage
Parts
(Parts needed for assembly. Delete this note when section is finished)
Assembly
(Assembly guide. Delete this note when section is finished)
Tips
(Extra tips to help assemble. Delete this note when section is finished)
Motor Mount
Parts
(Parts needed for assembly. Delete this note when section is finished)
Assembly
(Assembly guide. Delete this note when section is finished) This unfinished part includes the main driven gear, idler and lastly the main section.
Tips
(Extra tips to help assemble. Delete this note when section is finished)
Hot Tip + Electronics
Parts
(Parts needed for assembly. Delete this note when section is finished)
Assembly
(Assembly guide. Delete this note when section is finished)
Tips
(Extra tips to help assemble. Delete this note when section is finished)
Spool
Spool Assembly
Parts
(Parts needed for assembly. Delete this note when section is finished)
Assembly
(Assembly guide. Delete this note when section is finished)
Tips
(Extra tips to help assemble. Delete this note when section is finished)
Spool Mount
Parts
(Parts needed for assembly. Delete this note when section is finished)
Assembly
(Assembly guide. Delete this note when section is finished)
Tips
(Extra tips to help assemble. Delete this note when section is finished)