diff --git a/README.md b/README.md index b2c0f21196683695862f61340feaaa481c9bcf68..195eb3d982c95a347a19dbb9079ef0138cef1e97 100644 --- a/README.md +++ b/README.md @@ -2,7 +2,7 @@ Parametric, low-complexity fabrication linear axis designs using ubiquitous hardware. -## Gantry for NEMA23 Motor, 1/4" Aluminum +## Gantry for NEMA23 Motor, 0.25" Aluminum  @@ -14,7 +14,7 @@ In Fusion[^2], you can open this file up and use (from the top menu) ``` Modify >> Change Paremeters ``` -Each of these models should have some parameters *starred*, these are what you'll want to configure. Go ahead and set axis lengths, material thicknesses according to what you're doing. When you're satisfied, you can export the model as a .step file, using the file menu, to prep it for fabrication. +Each of these models should have some parameters starred, these are what you'll want to configure. Go ahead and set axis lengths, material thicknesses according to what you're doing. When you're satisfied, you can export the model as a .step file, using the file menu, to prep it for fabrication. ``` File >> Export ``` @@ -24,15 +24,36 @@ Make sure to change 'type' to .step, and check the 'save to my computer' box. Type | Size | QTY | Where Used | McMaster PN --- | --- | --- | --- | --- -SHCS | M3 | 2.5mm Hex | 91292A110 -SHCS | M4 | 3mm Hex | 91292A116 -SHCS | M5 | 4mm Hex | 91292A124 +SHCS | M3x12 | 8 | Connecting Lap and Tab Aluminum, and Belt Blocks | +FHCS | M3x12 | 8 | Nice option for flush-mounting things | +SHCS | M3x40 | 2 | Used *only* when pre-loading bearing rollers | +SHCS | M3x30 | 2 | Used *only* when pre-loading bearing rollers | +Belleville Washer | 3.1mm ID | 12 | Used *only* when pre-loading bearing rollers | +SHCS | M5x10 | 1 | Connecting Nema 23 Motor | +SHCS | M5x16 | 3 | Nema 23 Motor through arcs | +Shoulder Screw | 8mm Shoulder x 8mm x M6 | 10 | Guide Roller Shaft | 92981A198 +Shoulder Screw | 8mm Shoulder x 16mm x M6 | 2 | Belt Guide Roller Shaft | 92981A202 + +### N23 / 0.25" ALU Parts + +What | Spec | QTY | Where Used | Link +--- | --- | --- | --- | --- +608ZZ Bearings | 8x22x7 | 14 | Rollers | [VXB 10](https://www.vxb.com/608ZZ-Shielded-8x22x7-Miniature-Bearing-Pack-of-10-p/608zz10.htm), [VXB 1000](https://www.vxb.com/Wholesale-Lot-of-1000-608ZZ-Ball-Bearing-p/608zz-wholesale.htm) +GT2 Belt | 10mm Wide, Length Dependent | 2 | Belt! | [Amazon](https://www.amazon.com/Timing-Pulley-Teeth-6-35mm-Printer/dp/B07BS4DVR5/) +GT2 Pulley | 10mm Wide, Motor Bore Diameter | 1 | Transmission! | [Above, Combo](https://www.amazon.com/Timing-Pulley-Teeth-6-35mm-Printer/dp/B07BS4DVR5/) + +Of course, you'll also need material. In this case, just 0.25" aluminum. I use 6061. ### N23 / 0.25" ALU Tools +A list of the (perhaps) specialty tools you'll want to have to make this gantry: + Tool | Where Used | McMaster PN or Link --- | --- | --- M3 Tap | Extensively | +M5 Tap | Extensively | +M6 Tap | Shoulder Bolts | +Countersink Bit | Flush Mounting | ## 90 Degree Block for 1/4" Aluminum