Description
This listing is for the mechanical components only and does NOT include Stepper Motors. Don’t forget to get 4x Nema23 Stepper Motors Standard Torque or High Torque to suit the kit!
Standard Nema23 1.26N.m |
High Torque Nema23 2.45N.m |
What is a Mechanical Kit?
The mechanical kit is the foundation of your CNC Machine. A mechanical kit includes all the mechanical components needed to build your CNC Machine; All the screws, nuts, wheels, plates, washers, and other hardware.
A Mechanical Kit is a perfect choice if you plan on bringing your own CNC Controller, Stepper Motors, or other Electronics.
CNC Add-Ons are required to complete a CNC Machine. These include the electronic system that will control the machine, cable management, and Touch Probe that will be mounted to the machine.
About the Lead
Mark Carew originally designed the Lead CNC Machine and the design is licensed under CC – Attribution – CC BY. This is the Maker Store kit Version 2 based on his design.
The Lead Version 2 is a super-strong, accurate, and easy to assemble CNC machine-made using off the shelf parts with easily customizable options such as the High Z Mod to increase the working Height.
It has been designed to accurately cut foams, woods, plastics, and aluminum to 0.05-0.10mm accuracy or better.
Functional engineering parts, toys, signs, or anything else that can be imagined, can be made on the Lead CNC Machine.
The Maker Store kit has a couple of differences from the design published by Mark Carew. Most notably are the use of Black Corner Connectors in place of Cast Brackets to increase rigidity and a tensioning kit to eliminate lead screw whip. Also the single extrusion on the X-Axis.
Dimension Details:
| Travel (Cutting Area): | |
| – X-Axis: | 1230mm |
| – Y-Axis: | 1310mm |
| – Z-Axis: | approx 100mm |
| Workable Material Height (max): | approx. 50mm (with a 12mm baseboard) |
| Drive System: | TR8x8(P2) ACME Lead Screw |
| Machine Accuracy: | 0.05mm – 0.10mm |
| Footprint: | 1500mm x 1500mm (not including motors) |
Compatible Material for Cutting/Milling:
- Aluminum
- Hard Wood
- Soft Wood
- Plexi Glass
- Delrin
- HDPE
- Foam
Kit Includes (Bill of Materials):
| QTY | Description | Part Number |
| 8 | 688Z Ball Bearing – 8x16x5 | US-BEAR-688Z |
| 18 | 90 degree Angle Corner Connector (V-Slot) | US-BRAC-90ANG |
| 6 | Endcap – 2040 | US-BRAC-ENDCAP-2040 |
| 8 | Universal L Brackets – Double | US-BRAC-L2 |
| 3 | 8mm Metric Lead Screw / ACME – 1570mm | US-HARD-ACME-8-1570 |
| 1 | 8mm Metric Lead Screw / ACME – 290mm | US-HARD-ACME-8-290 |
| 1 | Anti-Backlash Nut Block | US-HARD-ACME-8-ANTIB-BLOCK |
| 6 | 8mm Acme Nut Block | US-HARD-ACME-8-BLOCK |
| 14 | Lock Collar | US-HARD-COLL-8MM |
| 4 | 6.35mm x 8mm Flexible Coupling | US-HARD-COUP-635X8 |
| 30 | Nylon Insert Hex Locknut M5 | US-HARD-NUT-LOCK-5MM |
| 75 | Tee Nuts – 1 Piece | US-HARD-TNUT-M5-1 |
| 4 | V-Slot 20 x 40mm – 1500mm | US-LR-2040-S-1500 |
| 2 | V-Slot 20 x 80mm – 250mm | US-LR-2080-S-250 |
| 3 | C-Beam – 1500mm | US-LR-C-S-1500 |
| 1 | C-Beam – 250mm | US-LR-C-S-250 |
| 2 | Joining Plates – 5 Hole 90 degree | US-PLATE-90-5 |
| 8 | C-Beam End Mount | US-PLATE-C-END |
| 7 | C-Beam Gantry Plate – XL | US-PLATE-C-GANTRY-XL |
| 32 | M5 Low Profile Screws – 10mm | US-SCREWS-M5-LP-10-1 |
| 46 | M5 Low Profile Screws – 20mm | US-SCREWS-M5-LP-20-1 |
| 4 | M5 Low Profile Screws – 30mm | US-SCREWS-M5-LP-30-1 |
| 2 | M5 Low Profile Screws – 55mm | US-SCREWS-M5-LP-55-1 |
| 18 | M5 Low Profile Screws – 60mm | US-SCREWS-M5-LP-60-1 |
| 60 | M5 Low Profile Screws – 8mm | US-SCREWS-M5-LP-8-1 |
| 14 | Eccentric Spacers – 8mm Hex – 6mm Height | US-SHIM-ECCENTRIC-8-6 |
| 14 | Metric Aluminum Spacers – 3mm | US-SHIM-SPAC-3MM |
| 8 | Metric Aluminum Spacers – 40mm | US-SHIM-SPAC-40MM |
| 20 | Metric Aluminum Spacers – 6mm | US-SHIM-SPAC-6MM |
| 12 | Metric Aluminum Spacers – 9mm | US-SHIM-SPAC-9MM |
| 28 | Solid V Xtreme Wheel Kit | US-WHEEL-XTREME-SOLID-V-KIT |
| 6 | Thrust Bearings | US-BEAR-F8-16M |
Lead CNC X-Axis Cable Chain Extrusion Bill of Materials
| QTY | Description | Part Number |
| 1 | V-Slot 20 x 40mm – 1500mm | US-LR-2040-S-1500 |
| 2 | Universal L Brackets – Single | US-BRAC-L1 |
| 2 | M5 Low Profile Screws – 8mm | US-SCREWS-M5-LP-8-1 |
| 2 | M5 Low Profile Screws – 15mm | US-SCREWS-M5-LP-15-1 |
| 2 | Metric Aluminum Spacers – 9mm | US-SHIM-SPAC-9MM |
| 2 | Drop-In Tee Nut | US-HARD-TNUT-DROP |
| 2 | Tee Nuts – 1 Piece | US-HARD-TNUT-M5-1 |
| 1 | End Cap – 2040 | US-BRAC-ENDCAP-2040 |
NOTE: Base/wasteboard is NOT included.
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