Scara HD

The Scara HD is our largest cement 3D printer to date, purpose-built for large-scale construction. With a significantly larger build volume than the Scara Elite Roadrunner, it can print homes, buildings, walls, and architectural structures directly on-site. Its 360° printing capability, print heights of up to 10 feet, and 20-foot track provide the scale and flexibility needed for ambitious construction projects.

The Scara HD is designed to work with a high-capacity, continuous high-pressure hose extrusion system capable of delivering 85–250 lbs of cement for uninterrupted large-scale printing. Designed for efficient operation with a small crew, the HD enables construction teams to optimize their workflow, make more efficient use of materials, and minimize waste while bringing large-scale 3D printing directly to the job site.

Speed and Noise

The Scara HD is capable of extreme speeds however speed is relative when it comes to cementitious 3D printing. Realistically you won’t want to exceed 150 mm/s. Many factors determine the speed like nozzle size, layer height, and achieving a good adhesion on the interlayer. Even with a fast printing speed the printer maintains low noise, which allows operation in any area without disturbing the surrounding environment.

Construction and Design

The Scara HD is capable of achieving high precision and accuracy through diligent design and robust construction techniques. The majority of this printer is crafted out of heavy Industrial grade cast aluminum utilizing CNC-manufactured components for maximum strength accuracy and rigidity. The main rail components are from IGUS* which is one of the leading German manufacturers of precision guide rails. The drive motors are Clearpath closed-loop servo motors (Not Stepper Motors). These have onboard computers with telemetry that continually update their position for zero error positioning. In addition to high-powered servo motors, the Scara HD Utilizes sophisticated harmonic drive units. These are the same drives used on large industrial robots similar to the ones that are now in many large manufacturing facilities. These drives are extremely heavy-duty and capable of precision movement down to fractions of a degree. This means very precise prints with no backlash or jittery movements at realistic speeds. These drives are designed for maximum rigidity with extreme accuracy.