From 79ee7a67e9184b6eb48470c407dce34b8a2d6867 Mon Sep 17 00:00:00 2001 From: Alan Han Date: Tue, 24 Mar 2026 19:29:09 -0400 Subject: [PATCH] added correct fasteners --- documentation/bom/bom.md | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-) diff --git a/documentation/bom/bom.md b/documentation/bom/bom.md index de29c7a..43adee3 100644 --- a/documentation/bom/bom.md +++ b/documentation/bom/bom.md @@ -1,16 +1,22 @@ # Bill of Materials (BOM) ## Mechanics + | Name | Qty | Description | Comments | Suggested link | Image | |------|-----|-------------|----------|----------------|-------| -| Steel ball | 12 | Ø1.25 mm (0.05") | Precision G10 or better. Can be sourced from small ball bearings | | +| Steel ball | 12 | Ø1 mm (0.04") | Precision G10 or better. Can be sourced from small ball bearings | | | PU stretch cord | 1 m | Ø1mm | e.g. "Stretch Magic" or "Magic String" | [Aliexpress](https://www.aliexpress.us/item/3256805953910514.html)| ![Pu strech cord](images/PU_StretchCord.png)| | Neodym Cylinder Magnet | 70 | Ø3mm h=5 mm | N52 Grade | [Ebay Link]()| | Brass Pipe | 1 m | OD=Ø2mm ID=Ø1 mm | | [Amazon](https://a.co/d/1pRFmtf)| ![Brass Pipe](images/BrassPipe.png)| -| M2 Screw | 12 | M2×12 mm, Countersunk | | | -| M3 Grub Screw | 6 | M3×4 | | | +| M2-8 dowel | 9 | | | | | +| SHCS M2-8 | 9 | | | | | +| Set Screw M3-6 | 3 | | | | | +| FHCS M3-6 | 3 | | | | | +| FHCS M3-10 | 9 | | | | | +| FHCS M3-20 | 12 | | | | | ## Electronics + | Name | Qty | Description | Comments | Suggested link | Image | |------|-----|-------------|----------|----------------|-------| | DC-DC Step Down Module | 1 | 4.75–23 V Step-Down Buck Converter | | [Aliexpress](https://www.aliexpress.us/item/3256806752772875.html)| ![DC-DC Step Down](images/DC_DC-StepDown.png)| @@ -25,13 +31,15 @@ | 4 Pin Header | 4 | 2.5 mm pitch | | | | 8 Pin Header | 1 | 2.0 mm pitch | | | | NEMA 17 Stepper Motor | 3 | Body ≤ 38 mm | Body length <= 38mm | | + ## PCBs | Name | Qty | Description | Comments | Image | | ------------------- | --- | ----------- | -------- | ----- | | Control Board | 1 | | | | | balljoint_plate_pcb | 6 | | | | -## 3D Printing - Machine + +## 3D Printing | Name | Qty | Description | Comments | Image | | ------------------- | --- | ----------- | --------------------------------------------------------------- | -------------------------------------------------- | @@ -42,6 +50,7 @@ | Base Block | 1 | | | ![Base Block](images/BaseBlock.png) | # Tool - Rod Sharpener + ## 3D Printing | Name | Qty | Description | Comments | Image | @@ -52,9 +61,11 @@ # Tool - Rod Length Setting Press ## PCBs + | Name | Qty | Description | Comments | Image | | ----------------------- | --- | ----------- | -------- | ----- | | ball_alignment_disc_pcb | 1 | | | | + ## 3D Printing | Name | Qty | Description | Comments | Image |