The Design of the JAVELIN™ CNC Sawjet | Inside the Machine

The Design of the JAVELIN™ CNC Sawjet | Inside the Machine


The JAVELIN™ is highly engineered rotary cantilever sawjet. Built for the countertop fabrication industry, it has an unwavering rigidity for exceptional, long-lasting precision and performance.

In the video below, Jeff Evans (Product Manager) and Matt Grow (Mechanical Engineer) of Park Industries® drop knowledge on the design of the new JAVELIN CNC Sawjet. They cover why it was chosen and how it was developed – as well as why it delivers unmatched accuracy, reach, reliability, and speed.

1. Heavy-Duty Bridge Design

The JAVELIN’s reinforced bridge is light, rigid, and torsionally stiff with its blade and jet centered directly under it to eliminate all static torsional deflection.

2. Precision Rotary Index System

The central rotary axis consists of a sealed high-precision bearing paired with a zero-backlash gear-roller pinion pair. This is the same advanced proven technology used on the Seattle Washington Space Needle and across high-precision rotary CNC environments. It is driven by a state-of-the-art gearbox with extremely high torsional rigidity and absolute positioning control.

3. Helical Rack and Pinion

The JAVELIN utilizes advanced helical rack and pinion technology to drive its x and y-axis linear bearings. This delivers industry-leading efficiency and accuracy, resulting in tighter cut tolerances.

4. Z-Axis Precision Ball Screw

The JAVELIN’s Z-axis is driven by a precision ball screw paired with a closed-loop pneumatic counterbalance system.

5. Advanced Rails and Bearings

All axes on the JAVELIN are built with the latest advancements, including strategically selected rail and bearing technology and auto-lubrication resulting in extended longevity and reliability.

The JAVELIN is a truly unique and highly innovative machine with benefits unmatched by any other CNC sawjet in the industry. It is highly engineered and was designed using advanced simulation and analytical tools. The finite element analysis (FEA) it was subjected to yielded an optimized design for performance and reliability.