From 556b277f18d9311dfa8bea99ec83f044d1a2b36d Mon Sep 17 00:00:00 2001 From: ollybowman Date: Sun, 3 May 2026 13:46:43 +0200 Subject: [PATCH] Move BOM into BOM/ and add madmax_bom.csv Rename BOM.md to BOM/BOM.md to better organize repository and add BOM/madmax_bom.csv containing a machine-readable Bill of Materials for the MadMax toolhead. The CSV lists carriage parts, plate parts, dock/toolhead-dependent items, magnets, optional components, quantities, specs, notes and supplier links to aid sourcing and assembly. --- BOM.md => BOM/BOM.md | 0 BOM/madmax_bom.csv | 52 ++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 52 insertions(+) rename BOM.md => BOM/BOM.md (100%) create mode 100644 BOM/madmax_bom.csv diff --git a/BOM.md b/BOM/BOM.md similarity index 100% rename from BOM.md rename to BOM/BOM.md diff --git a/BOM/madmax_bom.csv b/BOM/madmax_bom.csv new file mode 100644 index 0000000..f771439 --- /dev/null +++ b/BOM/madmax_bom.csv @@ -0,0 +1,52 @@ +Section,Subsection,Qty,Spec / size,Item,Requirement / variant,Notes,Source / supplier +Carriage Parts,Maxwell Pins,2,1/8 in dia x 1/2 in length,Metal pins,"Preferred: 416 or 316 stainless, steel, aluminium or titanium acceptable",3/8 in length acceptable. 3 mm local option works if STLs are exported for it. Only centre contact area matters.,https://www.amazon.com/dp/B09M84DNT6; https://www.mcmaster.com/98380A471; https://www.mcmaster.com/97395A441 +Carriage Parts,Maxwell Pins,4,1/8 in dia x 1/2 in length,Plastic pins,"Best: POM, Acetal, Delrin or Kocetal",POM-H and POM-C should work. Steel pins likely work with higher force. PTFE not OK. 3 mm local option requires exported STLs.,https://www.mcmaster.com/97155A426; https://www.mcmaster.com/catalog/130/4126/8497K11 +Carriage Parts,Belt Pins,2,3 mm x 35 mm,Steel pins,"Rounded ends preferred, chamfered pins acceptable","Alternatives: M3x30 SHCS/BHCS, M3x35 SHCS/BHCS with nut(s), or 1/8 in pins with plastic drill-out and tube choice impact.",https://www.aliexpress.us/item/3256803440853860.html; https://www.amazon.com/gp/product/B07M9TS54L; https://www.mcmaster.com/91595A117; https://www.mcmaster.com/91595A140; https://www.mcmaster.com/98380A478 +Carriage Parts,Belt Pins,2,M3 Voron standard,Heatset inserts,Drill out to fit onto pins,Different M3 heatset specs are fine., +Carriage Parts,Belt Clips / SpeedClips,2,M3x10,BHCS,For belt clips,, +Carriage Parts,Belt Clips / SpeedClips,2,MakerBeam XL,T-nuts,From V0 parts list,Can make your own in a pinch.,https://www.amazon.com/MakerBeam-XL-MakerBeamXL-15x15mm-Diameter/dp/B06XHQHD4H +Carriage Parts,Belt Clips / SpeedClips,2,"Metal tube, length varies",Metal tubes,"Recommended sizes: metric 4 mm OD, 3.2 mm ID, or English 5/32 in OD x 0.014 in wall","Tube length depends on belt width and belt path gap. File to length. MGN9H: 14.5 mm. MGN12H with 6 mm belts: 15.5 mm. MGN12H with 9 mm belts: 21.5 mm. Stainless best, aluminium fine, brass OK, PTFE only temporary.",Ace K&S #8103; https://www.mcmaster.com/50415K59; https://www.mcmaster.com/50415K61; https://www.mcmaster.com/89785K816; https://www.mcmaster.com/89785K217; https://www.mcmaster.com/89895K716; https://www.mcmaster.com/89895K217 +Carriage Parts,Main electrical connections,2,"M3x8, stainless",FHCS,Must be conductive,M3x10 also OK. No black alloy., +Carriage Parts,Main electrical connections,2,"M3, 0.5 mm thick, 7 mm OD",Shims,,, +Carriage Parts,Main electrical connections,2,M3,Nut,,, +Carriage Parts,Other,4,M3x8,SHCS,For carriage attachment,BHCS OK as workaround., +Carriage Parts,"Homing, sensored",1,"~120 mm, 22 to 26 gauge, <1.8 mm OD",Wire,Recommended endstop based homing,Use less than 1.8 mm OD wire.,https://www.aliexpress.us/item/2251832766791205.html +Carriage Parts,"Homing, sensored",1,Omron D2F or similar,Endstop switch,Usual Voron standard switch for X endstop,Plus endstop of choice for Y., +Carriage Parts,"Homing, sensored",2,M2,Self-tapping screws,,, +Carriage Parts,"Homing, sensorless",1,"60 mm, 22 to 26 gauge, <1.8 mm OD",Wire,Sensorless homing not recommended,Use less than 1.8 mm OD wire.,https://www.aliexpress.us/item/2251832766791205.html +Carriage Parts,Magnets,6,6x3 mm N52,Neodymium magnets,Actual amount depends on toolhead weight and bed stability,"Use 4 to 6. Must be real N52. Known-good vendors recommended, not Amazon or AliExpress.",https://www.fabreeko.com/products/n52-neodym-magnet-6x3mm-schwarz +Carriage Parts,Optional magnet-retaining screws,3,M3x8,FHCS,"Required if used in chamber, probably optional in free air","M3x10 depth OK. Must be 5.8 to 5.9 mm head diameter, not 5.5 mm. Black alloy steel or stainless OK.", +Carriage Parts,Optional magnet-retaining screws,3,M3,Nuts,,, +"Plate Parts, per head",Maxwell Coupling,2,M3x8,BHCS,Must be conductive,"Stainless, not coated alloy.", +"Plate Parts, per head",Maxwell Coupling,1,M3xX,Top screw,Depends on head choice,"Does not need to be conductive. No writing, no rough surface, shiny and smooth.", +"Plate Parts, per head",Maxwell Coupling,5,M3,Nuts,3 should be 2.2 to 2.4 mm thickness,Find 3 that match., +"Plate Parts, per head",Maxwell Coupling,2,M3x8,BHCS,Lower toolhead attachment,, +"Plate Parts, per head",Maxwell Coupling,6,6x3 mm N52,Magnets,See carriage magnet note,, +"Plate Parts, per head",Maxwell Coupling,4,M3 Voron standard,Heatset inserts,,, +"Plate Parts, per head",Maxwell Coupling,2,"M3, 1.8 mm thick",Jam nuts,"Alternative: 8x M3 6 mm OD shims, 0.5 mm thick",, +"Plate Parts, per head",Maxwell Coupling,2,3 mm hole,Ring crimp terminals,,, +"Plate Parts, per head",Maxwell Coupling,1,"250 mm, 2-position",Zip wire,Connection to toolhead board,See sizing note in carriage section., +"Plate Parts, per head",Optional magnet-retaining screws,3,M3x6,FHCS,Alloy or steel OK,, +"Plate Parts, per head",Optional magnet-retaining screws,3,M3,Nut,,, +Dock and toolhead dependent,"Docks, per dock",3 to 4,6x3 mm N52,Magnets,Commonly 3 to 4 per dock,Depends on dock and printer., +Dock and toolhead dependent,"Docks, per dock",Varies,M3 or M5,Mounting screws,Quantity depends on dock and printer,, +Dock and toolhead dependent,"Xol/A4T dock by andrewmcgr, per dock",8,M3x8,SHCS or BHCS,,, +Dock and toolhead dependent,"Xol/A4T dock by andrewmcgr, per dock",8,Voron M3,Heatsets,"Original BOM says headsets, likely heatsets",Check vendor docs., +Dock and toolhead dependent,"Xol/A4T dock by andrewmcgr, per dock",2,M5x10,Screws,,, +Dock and toolhead dependent,"Xol/A4T dock by andrewmcgr, per dock",2,M5x20,Screws,,, +Dock and toolhead dependent,"Xol/A4T dock by andrewmcgr, per dock",4,M5,Extrusion nuts,,, +Dock and toolhead dependent,"Xol/A4T dock by andrewmcgr, per dock",3,6x3 mm,Magnets,,, +Dock and toolhead dependent,Second toolhead,1,Typical hotend set,Toolhead components,"Fans, hotend, toolhead board, bowden, screws, ECAS and related parts",Check toolhead vendor first., +Dock and toolhead dependent,"DragonBrick / RapidBrick, per head",3,M3x8,FHCS,Must be alloy,, +Dock and toolhead dependent,"XOL/A4T by andrewmcgr, per toolhead",3,M3x8 or M3x6,FHCS,"Must be strongly magnetic, steel not stainless",, +Dock and toolhead dependent,"XOL/A4T by andrewmcgr, per toolhead",1,M3x16,Screw,,, +Dock and toolhead dependent,"XOL/A4T by andrewmcgr, per toolhead",1,M3x12,SHCS or BHCS,,, +Dock and toolhead dependent,"XOL/A4T by andrewmcgr, per toolhead",2,Extra,Heatsets,,, +Dock and toolhead dependent,AntHead,1,See repo,AntHead parts,See AntHead repo,, +Dock and toolhead dependent,"OmniBrick, per head",4,M3x8,FHCS,Must be alloy,, +Dock and toolhead dependent,"OmniBrick, per head",2,,Heatsets,Add in post at bottom rear of cowl,, +Dock and toolhead dependent,"OmniBrick, per head",1,M3x6,FHCS,For Huvud shroud,, +Optional / recommended,Nudge,1,Optional,Nudge,"Not technically required, highly recommended",See Nudge GitHub page.,https://github.com/zruncho3d/nudge +Optional / recommended,Additional spool holder,1,Optional,Spool holder,,, +Optional / recommended,Additional Bowden / ECAS,1,Optional,Bowden / ECAS,,, +Optional / recommended,Upgraded PSU,1,Optional,Power supply,May be necessary,Use comfortable margin or measure consumption with an inline power meter., \ No newline at end of file