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Vacuum System Pretreatment and Cleaning

Achieving the ultimate pressure of a vacuum system is greatly affected by the amount of gases or vapors contained within the system. To improve initial pumping efficiency following assembly or maintenance activities, outgassing can be reduced by properly pretreating the components within the system. The higher the ultimate pressure specification, the greater the need for …

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Selecting Materials for Vacuum Systems

Material selection is crucial in all aspects of a vacuum system. In a vacuum vessel, the walls must be strong enough to withstand the pressure difference of the system pressure and the external atmosphere. The vessel material must be able to be joined to other materials to create valves, flanges and feedthroughs. Still other materials …

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9 Main Processes Used for the Deburring and Finishing of Metal Parts

Deburring is the process of chamfering or rounding sharp corners formed on a metallic part during the machining process.  Deburring can also remove the raised edges and small pieces of material that may remain attached to a workpiece after it has been machined by a cutting tool or grinding wheel.  Finishing processes alter the surfaces …

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Surface Finish Specifications and their Hidden Cost Impacts

When designing a custom machined component it is important for the engineer to define all of a part’s characteristics and effectively communicate them to the machinist or fabricator. This is usually done by creating and transmitting an engineering drawing that contains numerical dimensions which define the size and location of every feature of the part. …

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High Speed Machining 101

High speed machining (HSM) has come a very long way since its conception in the early 20th century.  Early adoption of the concept was slow, but in the early 1980s, the HSM process got a jump start as aerospace companies started making investments in research and development to further advance the technology.  In the last …

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Building Vacuum Chambers for Laser Installations

Keller Technology Corporation’s comprehensive manufacturing capabilities afford us the opportunity to build complex and unique vacuum chambers for a variety of applications, including research equipment for universities and research institutions as well as the semiconductor and medical industries. The chamber pictured will be installed at University of Rochester’s Laboratory for Laser Energetics (LLE) as part …

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How KTC Handles Workplace Safety, Material Handling, and Lifting

According to the Bureau of Labor Statistics, working with notably dangerous equipment is one of the leading causes of workplace injury. There are four safe stages for every lift: preparation, lifting, carrying and setting down. Consult with your employer’s safety team leader and shop supervisor to make sure you’re utilizing all lifting aids. Since opening …

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Commonly Used Non-Destructive Testing Methods to Verify Component Integrity

The goal of Non-Destructive Testing (NDT) is to confirm structural integrity without damaging it. NDT technologies utilize mediums like sound waves, lasers, magnetic particles, x-rays, vibration, electrical current, radio waves, special liquids, and gasses. There are many highly sophisticated NDT methods to verify the integrity of a component, stock material, or system. Choosing the right …

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FABTECH Expo 2018 – Georgia World Congress Center

Keller Technology Corporation (KTC) was in Atlanta for FABTECH 2018, held November 6-8th at the Georgia World Congress Center. The expo featured the latest innovations in welding, forming, additive manufacturing, and surface finishing equipment. The show’s exhibitors displayed equipment in three buildings filling them with engineers, tradespeople, sparks, and smoke. Exhibitors’ booths were extremely busy …

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Keller Advantage
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Quality Tested
Keller ISO Quality Management Certifications
Buffalo: ISO 9001
Buffalo: ISO 9001
Charlotte: ISO 9001, ISO 13485
Charlotte: ISO 9001, ISO 13485