A few project goals I had in mind:
- SI (will note english alternative)
- Build area: 152mm x 152mm x 200mm (6" x 6" hotbed)
- Fully parametric
- Provide complete Bills of Material
- Aim for low cost
- Full printable, no laser cut parts required.
- Easy to build
Starting back in December 16 2012, spent about 2 weeks drawing up a preliminary design on Computer Aided Design (CAD) program. I designed each part, grabbing a few CAD files such as Nema17 motors from Thingiverse found here (courtesy to bdring) to help complete the assembly. Each section were viewed carefully for any clearance issues, editing dimensions as needed. After a few hours of drawing, I came up with this.
|Basic Open Frame|
The very first part
|Y Idler Original|
|Smooth Rod mount|
The smooth rod mount was inspired by Lulzbot TK-0's Y idler using a trapped nut and bolt to hold it down, basically a complete copy. I used netfabb to measure out the dimensions, a rather crude method but it worked.
|Y Idler slimmed down|
|Y Motor Close Up|
Fillets applied to areas most likely to experience stress.
|Y Frame Assembled|