You might have noticed the cable chain on the x axis. This part might be replaced by one out of metal in the future. This (gray) part inroduces additional elasticity which worsens the quality for larger hoops and/or faster stitching speeds. The disadvantage of this is that a part connecting the belts on the underside to the linear rail on the top is necessary (Belt_to_block.STL). The thought behind this was that the fabric will not interfere with or jam the belts. Note that I flipped the frame such that the timing belts are on the underside of the frame. The coreXY frame is suspended on four holders which bring the frame up to the required height (contained in the 3D files). On the other hand the framed design allows for a smaller overall footprint of the machine. I think I would prefer markol's approach now because the fabric of what you are emboidering can jam the gantry of Lehavier's frame if it gets between the axes. I used the frame by Lehavier mainly because I started with this and I was not aware of markol's project by then. A coreXY architecture is beneficial because it keeps the moving gantry lightweight and the motors out of the way. In the following I will adopt the sections as they were in markol's blog.įor the mechanics you basically need to build a plotter.
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