Rat Rig StrongHold PRO CNC - 1500x1500 - Machine Kit
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Introducing the StrongHold PRO - a high-performance, heavy-duty CNC machine designed to meet the demands of woodworkers, fabricators, and manufacturers. A versatile machine that can be configured to fit your needs with customizable sizes and electronics.
With three different working areas to choose from, ranging from 1000 x 1000mm to 1500 x 1500mm, the machine provides ample space for large-scale projects. The maximum Z clearance of 125mm allows you to work with thicker materials, while the frame made of 40 series extrusion provides a sturdy and stable platform for your work.
The HG25 & HG15 rails and ball screw transmission on all axes ensure smooth and precise movement, giving you unparalleled accuracy and repeatability. The 12mm thick gantry plates provide additional rigidity and reduce vibration, resulting in a smoother and more consistent cut.
The StrongHold PRO is equipped with inductive endstops, ensuring accurate and reliable positioning, and a double spindle/router mount that supports a wide range of tools. This means you can work with a variety of materials, including wood, foam, plastics, and metals, with ease and efficiency.
The StrongHold PRO also features an integrated drag chain based cable management system, keeping your workspace tidy and organized, and reducing the risk of damage to your machine.
With its configurable size and electronics, high-quality construction, and advanced features, the StrongHold PRO will become an essential part of your workshop.
Electronics Options
We offer 2 electronics bundles for the Stronghold Pro.
Both of them include a 2.2Kw full size 80mm water-cooled Spindle with a VFD (Variable Frequency Drive), which allows you to program different rotation speeds while in operation.
Each bundle includes all the necessary power supplies, wiring & connectors for a complete and well thought out wiring layout.
Controller
- Rat Rig Rodent
- Features integrated stepper motor drivers
Compatible Firmware:
- FluidNC
- GrblHAL
Intermediate Bundle includes:
- Full size 2.2kw 80mm GPenny Bullet Spindle
- Huanyang VFD
- Water cooling unit
- Two CNC machined aluminum spindle mounts
- LDO High Torque Stepper motors (345oz-in)
- 350watt PSU
- Contactor for safe E-Stop
- All wiring and connectors
Bill of materials:
Controller
- AXBB-E
- Features external 48V Drivers allowing you to push the stepper motors to their limit
- Requires a more complex wiring setup with 4 different power supplies at 3 different voltages
Compatible Software:
- UC-CNC
- UC-CNC license is not included in the Advanced Electronics Bundle.
Advanced Bundle includes:
- Full size 2.2kw 80mm GPenny Bullet Spindle
- Huanyang VFD
- Water cooling unit
- Two CNC machined aluminum spindle mounts
- CNCdrive AXBB-E Controller
- LDO High Torque Stepper motors (345oz-in)
- External OMC DM542T Motor drivers
- Two 320W 48V PSU for motors
- 5V and 24V PSUs
- Contactor for safe E-Stop
- All wiring and connectors
Bill of materials:
Not included
- Power cords - you will need to source your own power cords to connect your PSU(s) to mains.
- You may need a few zip ties for cable management.
- Spoiler board - use your own preferred locally sourced material. Check the correct spoiler board size for your machine in the above Machine Dimensions. The thickness of the spoil board will affect the maximum working height. It is recommended to use a spoiler board which is at least 10mm thick.
Cuttable Materials
Plastics: All plastics suitable for CNC machining
Composites: Carbon fiber, MDF, particle board, etc
Metals: Soft metals (Aluminium, Brass, Copper), thin steel
Machine Specifications:
Maximum Z Travel: 130mm
Maximum Z Clearance: 125mm (Excluding spoilboard)
Spindle Mount: 80mm (2x)
Linear Rail - X: HG25
Linear Rail - Y: HG25
Linear Rail - Z: HG15
Transmission - X: Ballscrew - 16mm Diameter, 10mm Lead
Transmission - Y: Ballscrew - 16mm Diameter, 10mm Lead
Transmission - Z: Ballscrew - 12mm Diameter, 4mm Lead
Full Step Distance - X: 0.05mm
Full Step Distance - Y: 0.05mm
Full Step Distance - Z: 0.02mm
Machine Dimensions
Rat Rig StrongHold PRO 1000x1000
Machine Dimensions X/Y/Z: 1400mm x 1400mm x 515mm
Frame Footprint X/Y: 1240mm x 1275mm
Machine Work Area X/Y: 1000mm x 1000mm
Spoilboard Size: X/Y: 1050mm x 1216mm
Rat Rig StrongHold PRO 1000x1500
Machine Dimensions X/Y/Z: 1400mm x 1900mm x 515mm
Frame Footprint X/Y: 1240mm x 1775mm
Machine Work Area X/Y: 1000mm x 1500mm
Spoilboard Size: X/Y: 1050mm x 1716mm
Rat Rig StrongHold PRO 1500x1500
Machine Dimensions X/Y/Z: 1900mm x 1900mm x 515mm
Frame Footprint X/Y: 1740mm x 1775mm
Machine Work Area X/Y: 1500mm x 1500mm
Spoilboard Size: X/Y: 1550mm x 1716mm
Build Guide
An on-line step-by-step build manual with detailed images, diagrams and instructions is available here.
BILL OF MATERIALS
CAD Model
StrongHold PRO 1000x1000: Fusion360 CAD Model
StrongHold PRO 1000x1500: Fusion360 CAD Model
StrongHold PRO 1500x1500: Fusion360 CAD Model
PRINTED PARTS STL FILES
If you have a 3D Printer and want/need to reprint a printed part, you can find the files here. These printed parts are included in the kit by default.
Community Support
Join our communities and connect with other Rat Rig CNC Machine users:
Facebook community
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License
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International
This license enables reusers to distribute, remix, adapt, and build upon the material in any medium or format for noncommercial purposes only, and only so long as attribution is given to the creator. If you remix, adapt, or build upon the material, you must license the modified material under identical terms. CC BY-NC-SA includes the following elements:
