To create showroom samples or small granite tiles, larger pieces of granite are saw cut to the desired size and shape. …
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March 28, 2020
Polishing Acrylic Tubes
We have covered polishing acrylic pieces multiple times on this blog. These parts provide some additional challenges. Specifically, there an ID …
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March 21, 2020
Remove Heat Treat Scale from a Worm Shaft
Heat treating steel parts is used to change the physical (sometimes chemical) properties of the metal. This process can harden the …
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March 14, 2020
Cleaning Saw Cut Wood
When wood components are cut, they frequently result in sharp edges, saw marks, and burrs that must be eliminated for both …
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March 7, 2020
Prepping Steel for Paint
Many metals are naturally susceptible to oxidation. This is the reaction of the metal with oxygen to form an oxide. Steel, …
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February 28, 2020
Phenolic Canvas Fiber Removal
Phenolic canvas is a composite material consisting of layers of fabric fibers that is impregnated with a phenolic resin. This type …
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February 21, 2020
Polishing Tool Steel
Polishing hardened tool steel to a low Ra value often requires more than one step and long cycle times. Ra is …
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February 14, 2020
Optical Clarity on Acrylic
Acrylic plastic is poly(methyl methacrylate) commonly known as plexiglass and commercially as Lucite and Plexiglas among others. When polished it can …
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February 7, 2020
Deburring Brass
Brass is relatively soft metal that oxidizes easily. Care needs to be taken to not damage the surface and to ensure …
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January 31, 2020
Tumble Blasting
Tumble Blast systems remove hard to reach burrs, remove rust and scale, and prepare a surface for bonding while producing either bright …
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January 24, 2020
Tumbling Parts with Complex Geometry
Tumbling Complex geometry parts The after picture of this highly polished part looks like the results were excellent in achieving a …
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January 17, 2020
Cleaning and Polishing 3D Printed Titanium
3D Printed Titanium Polishing Additive manufacturing or more commonly, 3D printing, provides a significant challenge for surface finishing. These challenges revolve …
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January 10, 2020
Brass Parts Cleaning
Brass Parts Cleaning When soldering brass, the welded joint needs to be cleaned from excess flux and from discoloration of the …
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January 3, 2020
Polishing Acrylic Plastic
Polishing Acrylic Plastic This test had multiple objectives. When the part was made, it had sharp edges and a lightly scratched …
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December 21, 2019
Crushed Glass vs. Glass Beads -Sandblasting Media
Glass Media Differences Probably the most important aspect of any finishing project is deciding on the proper blasting media to use. …
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December 13, 2019
The Best Way to Remove Old Paint
Surface Finishing Guide Surface finishing is a necessary step for more than just new products. Old, neglected items that need a …
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December 4, 2019
Heat Treated Tool Steel Polishing
Heat Treated Tool Steel Polishing Steel is often heat-treated for a variety of reasons. Heat treatment involves heating the metal to …
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November 25, 2019
Cleaning Paint Plugs
Cleaning Paint Plugs Paint plugs and masks are used in paint lines to protect areas of a part against being painted. …
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November 18, 2019
Cleaning Machined Aluminum
Cleaning Machined Aluminum Aluminum is a soft metal that is easily machined, and it tends to oxidize similarly to rust on …
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August 26, 2019
Deburring Copper Parts
Hand deburring is commonly done with all types of part sizes and shapes and with many different types of materials. The copper part on the left has sharp edges and heat treat and welding discoloration. The manufacturer had been manually deburring and sanding this part to a clean, matte finish.
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August 19, 2019
Robotics vs. Manual Deburring Process
Amidst the various types of finishing you can perform on a product, there is always the option to deburr a part by hand. The manual deburring process is a very time-consuming process but may be necessary for certain hard to reach areas in parts with complex geometry, and in instances where many different parts are being manufactured. Depending on your company and the parts you produce, manual deburring may be necessary, rather than the increasing use of a robotic process.
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August 12, 2019
Cleaning and Polishing Carbon Steel
These carbon steel parts had a blue coating on them that needed to be removed prior to polishing. Abrasive blasting was not an option as it could pit the metal and make it impossible to get a near mirror finish. Instead, a tumbling process was first used to remove the coating and then polish the part.
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August 8, 2019
Air-Fed Helmets: How Do They Work?
At Kramer Industries, we are experts in all things related to surface finishing – including safety. Throughout any abrasive blasting process, safety should be your top priority. As you blast the surface of your project, dust and other contaminants will become airborne, increasing the risk for a potential inhalation hazard. To combat this problem, we highly recommend using an air-fed helmet.
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August 5, 2019
Aircraft Carrier Refurbished
Traditionally, coal slags are used for stripping large boats, especially military ships. Recently, there has been a push to use more environmentally friendly abrasive media that are beryllium free. These alternatives need to be aggressive enough to remove 15 mils or more paint.
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August 2, 2019
How Barrel Tumble Finishing Works
Barrel finishing is a cost- and time-effective surface finishing process. The method is completed by tumbling parts in a rotating barrel, creating a rolling acting between the materials. Let’s take a look at how wet and dry barrel tumbling works.
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