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Rapid Prototyping with Soft Tooling

Rapid Prototyping with Soft Tooling

Silicone molds are a micro-production technique, also known as soft tooling, which uses soft molds to create small series of prototypes. This solution is ideal for obtaining detailed and complex replicas, thanks to the elasticity of silicone that facilitates the extraction of parts even in the presence of undercuts.

Features

How Silicone Molds Are Made

The process starts with creating a silicone cast around a master. Once hardened, the master is removed, leaving a cavity identical to its shape. This mold can be filled with two-component polyurethane resins, formulated to reproduce the technical characteristics of the most common materials, such as rigid plastics (opaque or transparent) and silicone rubbers.

The castings are performed in a vacuum chamber, to eliminate any air bubbles and ensure a uniform finish.

Applications Already Developed

Appliances
  • Grids
  • Caps
  • Knobs
  • Burners
  • Wok Supports
  • Tanks
  • Distributors
  • Shut-off valves
  • Control valves
  • Pump body
  • Motor lantern
  • Nozzles
  • Valves
  • Shredders
  • Open Impellers
  • Closed Impellers
  • Single-channel Impellers
  • Diffusers
  • Circulators
  • Supports
  • Motor shields
  • Inverter boxes
  • Casings
  • Finned masses
  • Street lamps
  • Racing components
  • Aluminum frames
  • Engine cylinders
  • Cylinder heads
  • Brake calipers
  • Clutch cases
  • Engine cases
  • Gearboxes
  • Frame elements
  • Forks
Why Choose It

Advantages of Silicone Molds

Reproduction of Complex Details

Thanks to the elasticity of the silicone matrix, it is possible to obtain parts with complex geometries, fine details, and small undercuts, which are difficult to achieve with rigid molds.

Material Customization

The resins can be pre-pigmented, allowing the production of objects already colored according to the customer’s requirements.

Limited but Rapid Production Cycles

The useful life of a silicone mold varies from 20 to 30 extractions, depending on the complexity of the part and the aggressiveness of the resin used.