QIDI X-Max Adjustable Internal Spool Holder (608 Roller Bearing)
Description
<h2>The design files and instructions have been moved:<br><br> <a href=https://www.prusaprinters.org/prints/59199-qidi-x-max-adjustable-internal-spool-holder-608-ro>QIDI X-Max Adjustable Internal Spool Holder (608 Roller Bearing)</a></h2> Update November 14, 2021 Added a new version of the base adapter that should fit newer printers. I am unable to test it myself but it should fit based on feedback from a user. Thanks CFox! This is the new file: internal-608-roller-bearing-base-adapter-for-newer-printers-1.0.stl I've you're using an older printer like mine in the pictures, print this instead: internal-608-roller-bearing-base-adapter-for-older-printers-1.0.stl About The Adjustable Internal Spool Holder for QIDI X-Max works with most filament spools up to 1 Kg. It might also fit the X-Plus but I don't have one so I can't check compatibility. The internal spool holder is useful if you want to keep hygroscopic filament warm and dry during printing of Nylon for example and you don't have an external dry box. The spool holder uses a common 608 roller bearing (search for 608ZZ or 608RS, I bought 4 for €4). The holder is attached with an M10 bolt where the stock internal holder goes and the roller bearing is secured with an M8 bolt next to it. The bearing will move freely but the spool is using a simple friction break to prevent it from spinning too fast. The filament is guided though a filament guide that goes through the top rear of the printer, just above the circulation fans. If you don't have a hole in the top rear of your printer (see picture number four under Post-Printing below) you can instead print and use the Bowden Connector: "qidi-xplus-xmax-bowden-tube-connector-1.0.stl". Just mount it to the extruder cover with a 20 mm M3 screw and use a 6 mm bowden tube between the internal filament guide and the top cover. See Post-printing for pictures. Like I mentioned, the roller bearing is using a friction break, preventing the spool from spinning too quickly during sudden and long printer head movements. You can also print and use the optional "Roll-Off Savers", one on each side of the spool, to minimize the risk of filament jumping over the spool, although it's unlikely it will happen with this system, even with new spools. BOM 1 x 608ZZ or 608RS roller bearing 1 x M3 screw (10 mm) 1 x M3 screw (20 mm) 1 x M10 bolt (10 to 25 mm long) 1 x M8 bolt (45 to 65 mm long) 6 mm filament tube (use the black ones that came with the printer or a longer one) (If you want to you can use a longer 6 mm filament / bowden tube for the filament guide between the printer and the top cover so that it's fully enclosed, it's what I use). Print the following parts: internal-608-filament-guide-through-case-1.0.stl internal-608-roller-bearing-base-adapter-for-older-printers-1.0.stl * internal-608-roller-bearing-base-adapter-1.0.stl internal-608-spool-holder-bottom-1.0.stl (or slim version) internal-608-spool-holder-top-1.1.stl (or slim version) qidi-xplus-xmax-top-cover-1.0.stl * If you have a newer printer, print this instead: internal-608-roller-bearing-base-adapter-for-newer-printers-1.0.stl Optionally, print these parts as well: qidi-xplus-xmax-bowden-tube-connector-1.0.stl internal-608-optional-roll-off-saver-1.0.stl (print two) Print Settings Printer: QIDI Tech X-Max Rafts: No Supports: No Resolution: 0.2 mm Infill: 20% Filament: Fillamentum ABS Traffic Red Notes: Most parts will be fine at 15-20% infill. Print all parts except these without supports: internal-608-roller-bearing-base-adapter-1.0.stl (or slim version) qidi-xplus-xmax-top-cover-1.0.stl These need support. Print all parts in the direction I have set them. Post-Printing After all parts are printed, install them in this order: Screw roller bearing base adapter to case using the M10 bolt. Screw roller bearing base including roller bearing to adapter using the M8 bolt. Mount filament spool to the adjustable spool holder and push it over the roller to secure it. Use the optional roll-off savers if you want. I find it easier to install new spools with the bed raised but for slim spools you can install it with the bed at the bottom. Mount filament guide through case. Secure with a 10 mm M3 screw. Push filament guide tube through the case so it sticks out just above the top fan. Cut tube to length so it makes a nice arch up to the top cover. You can use the black tubes that came with the printer but then it won't be fully enclosed. If so, put one through the case and connect one to the top cover. Feed filament through and load it into the extruder. Done. Optionally, use the internal filament path with a Bowden Tube and the Bowden Tube Connector.
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