FLEXWAVE - Strain Wave Gear Technology

FLEXWAVE is a compact harmonic gear reduction mechanism that achieves zero backlash, as well as exceptional positioning accuracy, torque density and repeatability. FLEXWAVE consists of three internal elements – the flexspline, the circular spline and the wave generator. The elasticity properties of the flexspline and the teeth differential between the flexspline and the circular spline result in its unique reduction characteristics.

FLEXWAVE comes in various form factors, including component sets, simple contained assemblies and complete gear units. Cup, hat, solid and hollow input shaft configurations give engineers true freedom in design. FLEXWAVE is also available in Ultra-Flat and High Torque variations for applications with demanding footprint and performance requirements. Dimensions are interchangeable against industry standards, making it easier to implement in legacy equipment. When compared with other gear technologies, FLEXWAVE offers the following advantages:

  • Exceptional Repeatability and Positional Accuracy
  • Zero Backlash
  • High Torque Density
  • High Efficiency Ratings
  • High Reduction Ratios in a Single Stage
  • Lightweight and Compact
  • High Torsional Stiffness
  • Fully Back Drivable

These characteristics enable FLEXWAVE to be the superior choice for Robotics, Machine Tool, Medical Equipment, Semiconductor Manufacturing, Satellite Communications and Assembly Automation applications.

WPC Series

Component Sub-assembly
The core strain wave gear elements without any supplemental components that provide additional bearing support, the structure for containment, and specialized input or output configurations.

Series Features

  • Simplest and most flexible design option
  • Cost effective at high volumes
  • Allows complete integration into equipment
  • Most compact of all series
  • High torque option available

WPS Series

Simple Contained Assembly
The core strain wave gear elements, with additional cross roller bearing support is included within this assembly. No housing is provided for containment, requiring the designer to integrate into their equipment substructure.

Series Features

  • Self-supported output section
  • Versatile to allow for total integration
  • Variety of output mounting options
  • Compact design
  • High torque option available

WPU Series

Complete Unit Assembly
The core strain wave gear elements and cross roller bearing completely contained within a substructure. Also included is an output flange to enable a variety of mounting configurations. The Complete Unit Assembly would be partially integrated into machinery.

Series Features

  • Simplified configuration for installation
  • A stand-alone structurally rigid assembly
  • Self-supported output section
  • Hollow, solid or flange input
  • High torque option available

WPG Series

The WPG series gearheads combine the industry leading accuracy, repeatability and torque-to-weight ratio of our WPU high torque strain wave units with the modularity, installation ease and universal motor mounting of VR planetary products.

The result is a compact, versatile zero backlash gearhead in 5 frame sizes with ratios as high as 160:1 in a single stage.

The WPG can be implemented into a wide range of robotics, machine tool and general automation applications and allows customers with limited experience or intergration capability to deploy an off-the-shelf solution and bring their product to market faster than ever before.

FLEXWAVE

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