This Phase is entitled rectangles and parallelograms because the structure and kinematics of a linear delta 3D printer is all about rectangles and parallelograms.
As you can see in the diagram below the rectangles formed by the vertical linear rails and the base and top of the printer constitute the support structure of the printer.
The vertical linear rails are uuh vertical, limiting the motion of the carriages up and down. The carriages are designed and built with an important characteristic - the two connection points for the effector support rods have to be on a horizontal axis. With the opposite sides of a parallelogram being parallel this keeps the effector platform parallel with the printing bed.
No automatic calibration can substitute a good build.
Before going any further I need to make a disclaimer:
This is my first project of assembling a 3D printer, all the blog posts are the result of my build process, my readings and common sense. If you already built your printer please comment, if you want to build your mini Kossel use your own judgement to follow my methods.Most important always think safety first: be careful with hand tools (screwdrivers, knives, files etc.) or power tools (power drill, soldering iron, etc.); wear protection goggles if needed.
This is my first project of assembling a 3D printer, all the blog posts are the result of my build process, my readings and common sense. If you already built your printer please comment, if you want to build your mini Kossel use your own judgement to follow my methods.Most important always think safety first: be careful with hand tools (screwdrivers, knives, files etc.) or power tools (power drill, soldering iron, etc.); wear protection goggles if needed.
I got some parts in, a lot of them ordered and on the way (you can follow the progress on the bill of materials page) , but I had the major parts to start assembling.
So let's start building...
Gather the parts for the base assembly, use a well lit area, and a white paper pad.
For the base you will need the three base corners, 6 horizontal aluminum extrusions, 24) M3 - 8mm socket head screws with M3 nuts, and an Allen wrench.
For the base you will need the three base corners, 6 horizontal aluminum extrusions, 24) M3 - 8mm socket head screws with M3 nuts, and an Allen wrench.
