DWJ Harmonic Drive Rotary Actuator

A precision motion-control component used in Flow Dynamic Waterjet® cutting head systems. It provides compact, high-accuracy rotary positioning for the DWJ articulated wrist assembly, helping the head maintain controlled angular movement during taper compensation and multi-axis cutting. Because DWJ performance depends on repeatable motion and minimal backlash, this actuator is a critical component for maintaining cut accuracy, bevel consistency, and reliable cutting head response.

Related products:

• Tube Assembly for 87K 1/4 Inch Vertical Axis DWJ XD (056220-1) — factory-bent high-pressure tubing used in the lower vertical-axis section of Dynamic Waterjet XD cutting heads.
• DWJ Modified Eyebolt (712410-1) — anchors clamp and bracket hardware on Dynamic Waterjet cutting head assemblies.
• 87K DWJ Mixing Chamber Assembly (020694-1) — supports abrasive mixing and jet coherence on 87K Dynamic Waterjet heads.
• 87K 1/4 Inch 10 Degree Single Axis Swivel Assembly (049358-1) — provides controlled angular movement for bevel and taper-compensation cutting applications.
• Universal On/Off Valve Assembly (014660-1) — controls high-pressure water flow to the Dynamic Waterjet cutting head.

Service note: Installation by a Flow technician is required. Before replacing the actuator, inspect the surrounding DWJ wrist hardware, cable routing, high-pressure tubing, and swivel components for binding, impact damage, or contamination that could affect rotary motion or calibration accuracy.