Did You Know? In 1992, Mills was first to successfully roll form & powder coat auto luggage shade cassettes.See other Mills Innovations
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The Hydroforming Innovators

We were the first company to introduce tubular hydroforming to the appliance industry and are globally recognized for converting multi-part assemblies into lighter, stronger hydroformed parts.

Our specialization in thin wall tubular hydroforming allows us to produce lightweight, complex parts with seamless aesthetics that would be impossible to cost-effectively reproduce using traditional forming methods.

Hydroforming Benefits

  • Weight and part reduction opportunities
  • Excellent bending strength and torsional stiffness
  • Flexible design and engineering options
  • High stiffness to weight ratio at low per unit costs
  • Thin wall tubing capabilities 
  • Class A finishes

Hydroforming's high strength-to-weight ratio produces high dimensional stability  in fewer operations than traditional stamping or welding. Even better, we can introduce flexible design options such as large radius sweeps, cross-sectional shape transitions from round to elliptical, multi-sided cross sections and variable expansions of diameters of up to 35%. 

Common Hydroforming Applications

  • Appliance handles
  • Automotive exhaust components
  • Bicycle frame components
  • Automotive engine cradles 
  • Sink faucets 
  • Hand rails 
  • Chair or table legs 
  • Medical instruments 
  • Rifle scopes 
  • Sporting goods

Our Hydroforming Capabilities

We excel at condensing multiple parts into single, lightweight roll formed parts.

  • Largest hydroforming machine is capable of 1,000 tons
  • Largest bed size is 120" X 60"
  • Most of our machines have a maximum capacity of 30,000 PSI
Roll Formed Range Handle
Tubular Stamped Component
Tubular Stamped Component
Hydroformed Component
Rollformed Security Slide Component
Tubular Stamped Threaded Bolt
Tubular Stamped Vent-tube Ovenrange


GUIDE TO HYDROFORMING

Download of our Hydroforming Design Considerations to apply our experience to your designs.

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