HeroMe 7 Gantry Adapter For Wham Bam Mutant v2 on the CR-30

A Gantry Adapter designed to attach to the Mutant v2 on a CR-30 Infinite Z Belt Printer
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updated April 17, 2024

Description

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The stand-offs on my linear rails Gantry Plate for my CR-30 3DPrintMill broke, causing me to get a lot of back-and-forth shifting on my prints. I was unable to find a replacement gantry plate, so I decided to reach out to Wham Bam Systems regarding their Mutant v2 Universal Tool Swapping System. They worked with me and designed a new Gantry Plate for the CR30 to allow me to attach the Mutant to my CR-30. 

Once I got the Mutant installed, I found the nozzle was nowhere near being able to touch the belt, for various reasons. I made adjustments to my CR-30 to lower the X-Axis as close to the bed as I dared (I have maybe 2mm of hardware clearance). I then used TinkerCad to mod the original Mutant Gantry Mount to design one specific to the CR-30. 

This model drops the primary mount about 30mm below the Mutant's Mobile Plate, allowing the nozzle to properly contact the belt and letting me resume printing. I also added a brace to help brace it against the Mutant to help prevent it from bending. Not sure this is required, but it doesn't appear to be hurting anything.

Some Notes:

  • I am using the Stock Hotend
  • Notes about installing the Mutant
    • I had to cut the wires closer to the hot end. This meant I had to use a new Heat Cartridge and a new thermistor since the wires were now too short to reuse.
    • The spacer for my Y-Axis Linear Rails no longer fit (I will have to remodel it later to line the belts back up.
    • The ground doesn't have a connection location. I have the wire hanging right now (not connected to the mutant).
    • The X End Stop Switch connects to the Gantry Plate, not to the Mutant.
    • For a stock system, you need only wire/cut:
      • The Heat Cartridge
      • The Thermistor
      • The Heat Break Fan
      • The Part Cooler Fan
  • The models I used for my HeroMe 7 Were:
    • This Gantry Adapter
    • HMG7.2 Universal Base V2
    • HMG6-dual-5015-6deg-brace-inserts
    • HMG7.3 Creality OEM-CR10S-Ender3-5 2-Screw Mount V2
    • HMG7 Creality OEM-CR10S-Ender3-5 Skirt V2
    • HMG7.4 Cable Tower Tube Tall Right
  • You will likely need to adjust your Min/Max on your X and Y axes as otherwise, you will either run into the Bed Leveling Knobs or you will run into the motors or frame.
  • You will lose some print space. I went from 215x250 to 183x233.
    • I believe we can get the X-Axis back, but only if A) You sacrifice height and B) we can get a replacement for the bed leveling knobs that the ducts don't run into. 
  • I printed the gantry using the same suggested settings as the HeroMe 7 except for supports.
    • Oriented with the front on the bed (brace up)
    • 3 Walls
    • 30% Infill
    • ABS
    • Supports
  • When aligning the part cooler to the nozzle, I held the hotend assembly at the normal vertical angle (90*) and then used the HeroMe Spacer to align the ducts correctly and tighten everything down.

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Model origin

The author remixed this model.

Differences of the remix compared to the original

Adjusted the Mutant v2 Base Plate to be compatible with the CR30 by ‘lowering’ the print head and getting the nozzle closer to the belt.

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