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C95400 C95500 C95800

Bronze Parts in Metal Rolling Mills

A rolling mill, also referred to as a reduction mill, is a type of metalworking manufacturing process that involves moving brass copper and others metals between pairs of rollers to typically reduce the thickness of the metal, roll bending it into shape, and make it uniform. They are sometimes referred to as plate rolling mills, especially when they are making sheet metal. There are many types of metal rolling products produced including the following:

  • Ring
  • Bending
  • Forming
  • Profile

Typical uses of Rolled metal include:

  • Automotive frames
  • Automotive Parts
  • Pipes
  • Tubes
  • Agricultural equipment parts
  • Metal building frames
  • Railroad cars and parts
  • Metal Fabrication
  • Home Doors and shelving

In today's metal and forging rolling mill machines, it is a careful balance between managing the appropriate metal temperature to maintain the high quality metal standards, the maintenance of the rollers and parts, and the production speed for cost savings. The maintenance is where Bronze comes in. Bronze is used in multiple locations throughout a rolling mill process, but mostly in plate form.

The plates play a vital role in maintaining the rollers are the correct locations. Using the proper bronze plate will minimize the maintenance costs and minimize downtime. Depending on many variables, selecting the proper bronze alloys can the difference between a premature failure of the bronze part. The bronze part should be made to the highest strength, that doesn't wear away as the expensive mating part. For instance using an C86300 as a wear plate might sound great because of its high temperature tolerance and strength, but if the mating part is a soft steel, the steel will wear instead of the bronze.

Alloy Brinell Speed (SFPM) Load Temperature
C93200 65 (500 kg)
250 SFPM 1,000 psi 450°F
C95400 170 (3000 kg)
100 SFPM
3,500 psi
C86300 225 (3000 kg)
3,500 psi

Bronze plate in C932, C954, and C863, are very prevalent in rolling mill parts. You may even recognize some of these names;

  • Bronze Slipper Pads

  • Down Coiler Mandrel - wear plates

  • Rolling Mill Stands - wear plates

  • Rolling Chock Assembly - wear plates

  • Worm Gear Drive - Worm Wheels

These are popular expendable wear parts.

Those parts not made from plate, and are cylindrical, can be produced from Sand Castings, Continuous Castings, Centrifugal Castings, and Forgings. ID/OD parts, such as bushings, can get very large and are used as wear parts in a “roll chock”. During rolling, the load on the rolls gets transferred to the roll neck bearings and their assembly chocks, Bronze worm, worm gears, and worm wheels help drive the mill, and would be something we are interested in quoting. Gear cutting is not part of what we would look to provide, but rather gear blanks that are near net shape.

Whether is a simple small bearing or a large replacement wear part, we can help. Let your next phone call be to us, so we can utilize our experience to keep your steel or bronze rolling mill up and running.