Versatile Sandblasting for Deburring Intricate Geometries
PMTS 2023: Comco’s MicroBlasting sandblasting systems can deburr, texture and clean small, intricate parts.
Photo Credit: Comco
The microscale, consistent feed and pinpoint accuracy of Comco’s MicroBlasting sandblasting systems is well suited for deburring intricate geometries, texturing to a sharp delineation and removing thin coatings and films — all without causing dimensional changes to the underlying part.
MicroBlasting (sandblasting on a microscale) uses small nozzles and a mixture of compressed dry air and abrasive to alter surface finishes and remove unwanted material. MicroBlasting best suits parts as small as a grain of rice to as large as a basketball. Depending on part surface, it can be used to texture to 0.007" delineation, create a surface finish with a specific Ra or deburr the ID of a 25-micron capillary tip.
This versatile process is used across manufacturing to refine small precision parts that must meet strict industry standards. With a simple adjustment of blast pressure, abrasive type or nozzle design, a Comco blaster can easily adapt from a tool that deburrs the heel of a stainless steel needle to a tool that textures a mold cavity.
The MicroBlaster is tough enough to perform in high-volume production environments, but versatile and affordable enough for shops or hobbyists just blasting a few days a week. The MicroBlaster MB1000
is a compact, lightweight, single-tank micro-abrasive blaster that fits easily on top of any workbench to conserve valuable shop space. The 2-lb capacity powder tank is quick and easy to refill.
The MicroBlaster MB1002 is a dual-tank, micro-abrasive blaster for applications that require a two-step process. With the dual tank, an operator can blast a part with an aggressive cutting abrasive to remove burrs and quickly change to a peening abrasive to impart a different finish on the same part. Separate tanks and handpieces ensure that the powders never mix.
The newest MicroBlaster is the AccuFlo which is the line’s most powerful, precise and efficient blaster. This improvement on the classic MicroBlaster incorporates advanced features such as the PowerFlo, and exceeds the reliability and performance of its predecessors. The AccuFlo suits most applications and is in use across industries — from small, independent labs to large multinational manufacturers. It easily transitions from use in single-operator processes to fully automated production environments.
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