Openbuilds v-slot Y axis for Lulzbot Mini 1.0x and 2.0x variants

thingiverse

This is the beta release of the new Mini Openbuilds project, showcasing its latest iteration on my custom-built Mni 2.0 frame. I also have a mini 1.03 in house that awaits parts, with upcoming pictures and videos of its installation and operation. Expect this upgrade to fit all current variants of the Mini frame up to Mini 2.04, seamlessly integrating within the stock space claim of the existing mini bed while adding 1mm extra Z travel. It significantly increases rail stiffness and frame stiffness, enabling faster carriage movement. The wheels are lighter than the Igus bearing assembly blocks, thus slightly reducing mass from the bed. This upgrade caters to those seeking enhanced print speeds and minor quality improvements. Although the stock Mini rod span is short, it's unlikely to result in noticeable quality improvements, but users can potentially push their mini to 133mm/sec speeds in Y, with a similar increase once X-axis files are released. This may also improve quality for those printing small, high-detail items like figurines or jewelry on the Mini. Bill of Materials: 4 Openbuilds Xtreme Delrin wheels (https://openbuildspartstore.com/xtreme-solid-v-wheel-kit/) 2 6mm spacers (https://openbuildspartstore.com/aluminum-spacers-10-pack/) 2 6mm eccentric spacers (https://openbuildspartstore.com/eccentric-spacer/) 4 30mm Low profile M5 bolts (https://openbuildspartstore.com/low-profile-screws-m5-10-pack/) 2 500mm 20mm x 20mm Openbuilds Vslot extrusions (cut to length; 250mm ones are too short - final cut length TBA) (https://openbuildspartstore.com/v-slot-20x20-linear-rail/) 4 M5 14mm Cap head bolts 15 M3 heat set inserts (https://www.mcmaster.com/94459a130) 1 12mm M4 cap head bolt, nut and washer 2 non-threaded 1/4" spacers 1/2" long 2 M3 washers 2 m3 16mm Cap head bolts 4 m2 heat set inserts (https://www.mcmaster.com/94459a110) The stock Mini frame, mounting bolts idler hardware and belt pieces 4x m4 12mm bolts and nuts to hold the drill guide in place Drill bits: 5.0mm and 7.2mm for the bed (https://www.mcmaster.com/30565a272 and https://www.mcmaster.com/30565a296) Instructions: Print all pieces. Install heat set inserts in the idler body, cable chain offsets, belt/endstop mount, and motor/idler end main pieces. Dismount all hardware from the stock bed and mount the drill guide to the bed using temporary m4 bolts and nuts. Check alignment using a square. Now drill 7.2mm and 5.0mm holes using specialty drill bits from McMaster Carr. Remount all the bed hardware and bolt everything together.