Abrasive blasting, also named as sandblasting, will clean and finish a product at the same time. Abrasive blasting machines blast small pieces of sand, steel shot, or metal pellets into the substrate at high speeds to treat the material.
FREMONT, CA:Metal finishing machines are employed to surface finish the exterior of a metal product. This is usually accomplished by combining loose abrasives, tumbling media, buffing, plating, or powder-coating with cleaning compounds. The calibration of the machinery determines production speed and finishing capacity, making certain machines better than others for a given project.
Metal Finishing's Benefits
Polishing for a more improved look.
Stripping production parts.
Burnishing for enhanced shine.
Applying corrosion and tarnish resistance.
Types of Metal Finishing Equipment
Barrel Finishing Machines
Barrel finishing machines, also known as barrel tumblers, consist of a revolving drum with six or eight sides on which metal can be rounded, deburred, or surface handled. To increase the effectiveness of the abrasive material, abrasives, tumbler media, and lubricants are used to create friction in the barrel drum. There are two types of barrel finishing machines: wet tumblers and dry tumblers. Wet tumblers have a slower cutting rate that results in a finer finish, making them effective for removing excess stock. Dry tumblers use a vertical process that can handle material through all finishing stages, while wet tumblers have a slower cutting rate that results in a more refined finish, making them efficient for removing excess stock.
Vibratory Finishing Machines
Vibratory finishing equipment, rather than using a spinning barrel, surrounds a workpiece with a high-frequency motion that can exceed 1,700 vibrations per second. This method produces a smooth surface finish and is ideal for finishing items with deep cavities or tubular recesses. Since water reduces the cutting action rate, it can be used as a dampening medium. This is particularly useful for operations such as burnishing, where the cut rate must be kept to a bare minimum.
Abrasive Blasting Machines
Abrasive blasting, also named as sandblasting, will clean and finish a product at the same time. Abrasive blasting machines blast small pieces of sand, steel shot, or metal pellets into the substrate at high speeds to treat the material. The size and velocity of the abrasive particles, the angle of fire, and the cycle duration all affect the final finish. Direct pressure blasting machines use less pressure to drive particles, making them ideal for applications that need reduced work hardening and warping rates. Siphon machines are easier to clean, but they have a higher risk of causing unintended product warping. Instead of compressed air, wheel blasting machines use a wheel with centrifugal force to push the abrasive against the components, which saves money.
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