Automated Surface Finishing

Bonnet Geometry

The classic Bonnet shape utilizes pneumatic inflation to adapt dynamically to freeform surfaces. By adjusting internal inflation pressures, operators can precisely tune the contact zone area and tool compliance.

SAG Bonnet Surface Finishing Tool

Key Process Advantages

Pneumatically adjustable compliance and tool stiffness

Continuous contact area across variable convex surfaces

Uniform material removal profiles across wide scanning paths

High compliance minimizes sub-surface damage risks

Technical Specifications

Available Diameters20mm – 160mm
Optimal Contact Angle0° – 20°
Recommended MaterialsGlass, Ceramic, Hardened Steel
Typical ApplicationsAspheric Optics, Injection Molds

Recommended Processing Applications

Tailored operation paths where the Bonnet profile outperforms traditional abrasive approaches.

01

Precision optical surfaces and lenses

02

Large automotive body panel injection molds

03

Convex aerodynamic aero structural parts

04

Medical prosthetic joints and orthotic implants

Unsure if Bonnet fits your part geometry?

Launch our interactive configuration tooling application to identify the optimal SAG tooling configuration based on geometry, material, and required surface finish characteristics.