Hydraulic Robotic Arm – Working STEM Model | Laser Cut Files

Build a real working hydraulic robotic arm powered by fluid pressure — no motors, no electronics. This hands-on STEM model demonstrates how excavators and industrial robots move using real hydraulic principles.


❗️ IMPORTANT

‑ This is a digital product; no physical item is shipped.


⚙️ KEY FEATURES

‑ Included: Laser-cut files for all wooden parts of the hydraulic robotic arm (cut-ready vectors).
‑ Included: step-by-step assembly instructions.
‑ Motion mechanism: Hydraulic syringes control the arm's movements, allowing for precise and smooth operation.
‑ Multiple material options: Files provided for 3 mm, and 1/8 inch wood thickness.
‑ Immediate download.
‑ File formats: SVG, AI, DXF, EPS, PDF, LIGHTBURN (LBRN2), AFDESIGN.
‑ Machine compatibility: Ready for common laser cutting and engraving machines.

🧠 What You’ll Learn

• Basic hydraulic principles
• Fluid pressure and force transmission
• Mechanical linkages
• Structural stability
• Precision assembly

⚒️ WHAT YOU NEED TO SUPPLY

‑ Basic hardware/consumables: Wood, syringes, tubing, dowel or rod for axles, sandpaper.
‑ Buying help: Example links to sources for syringes, tubing, and small parts are included to make gathering supplies easy.


☑️ DIMENSIONS

‑ Finished size: Approximately 300-400 mm (L) × 120 mm (W) × 200 mm (H) when cut from 3-4 mm wood.


👩 💻 SKILL & TIME

‑ Skill level: Beginner to Intermediate.
‑ Build time: About 2-3 hours, plus cutting time.


🛠️ HOW IT WORKS

➡︎ Push the syringes to control the hydraulic pressure.
➡︎ Watch the robotic arm move smoothly, mimicking real-life hydraulic machinery.


⚠️ TERMS OF USE

➡︎ Personal or small-business use only.
➡︎ Reselling or redistributing the files or any elements is prohibited.
➡︎ You may not upload the files or elements to print-on-demand sites.

Digital items are non-refundable.