Solid all metal parts are durable and less likely to deflect at high printing speeds. But we want people to have the option to use 3d printed parts so they can upgrade later on. All-metal-parts and components will give us the durability and repeatablility needed. The SolidCore aluminum parts makes the printer into a highspeed workhorse for repeated use. The belt sections between motor mounts and idler mounts need to be parallel with the axis as the gantry travels across.
Belt thickness must be taken into account when laying out your pulleys. Belt segment that changes length must be parallel to the axis as it moves to avoid racking or other undesired motion that can occur. Otherwise racking or belt tensioning issues may occur. Belt tensioning can change when the belt length changes as the gantry moves.
If you want accurate motion, you need a CoreXY 3d printer design with straight and parallel belt paths. The design goal is to build a reliable high speed 3d printer or for 3d printing high temperature materials.
For now, we decided to go with a simple corexy design but have future plans for a toolchanger and a heated chamber. While the SolidCore printer design is still a work in progress, the corexy build is slowly materializing. This is the gantry / carriage design for the SolidCore CoreXY 3D Printer.
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