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Mass Finishing for Improved Surface Properties

During a mass finishing operation, surface properties of metallic components are improved through the interaction of media, and chemical compounds in the appropriate type of equipment.

The Finishing Process

Typically, how these elements interact with the addition of water determines the efficacy of the process. The media, mass finishing compound, and metallic components all work on each other via the movement created by the equipment. The goal is to:

Mass Finishing

  • Remove burrs
  • Radius edges
  • Improve surface properties
  • Clean
  • Descale and/or Deflash

Synergy between elements

Hubbard-Hall manufactures a full line of mass finishing compounds designed to work synergistically with the correct equipment and media:

  • Equipment Types: oblique barrel, vibratory bowl or tubs, centrifugal barrel
  • Media Types: ceramic, plastic, metal, organic

Mass Finishing Compounds

  • Cleaning Compounds: Designed to remove undesirable surface contamination from parts. The appropriate compound is matched with the metal being cleaned & media being used.
  • Descaling Compounds: Used to remove scale, rust, and oxides from metallic surfaces by using either acidic or alkaline compounds.
  • Deburring Compounds: Designed to assist burr removal by keeping the parts and media clean. Also provides corrosion resistance to the parts and media when required.
  • Burnishing Compounds: Generally used to improve reflectivity or brightness of the metal surface by providing lubricity to the media while cushioning the parts against damage. The compounds may also control part color, remove oxides and prevent corrosion.
  • Cutting Compounds: Formulated to facilitate stock removal by chemically accelerated mass finishing chemistries or by the use of abrasive compounds. Can also be used to remove heavy scales and oxides from metallic surfaces.