Polished steel firearm part | Kramer Industries Inc

Polishing Firearm Parts

There are two types of finishes needed for firearms. Most (military and hunting) require a matte or dull finish to minimize ... Read More

Choosing Tumbling Media

Choosing to proper tumbling media for a specific part can be challenging enough. When you are producing a variety of parts, ... Read More

Walnut wood tumbling | Kramer Industries

Wood Parts Tumbling to Remove Flashing

Common practice to remove flashing and sand wooden parts is by hand. Sandpaper or sanding wheels can be used to effectively ... Read More

Silverware Burnishing

Previous posts about the basics of silverware burnishing (Part 1 and Part 2) described the process through which silverware and flatware ... Read More

Heavy Duty Barrel Tumbling

It is indeed very satisfying for a manufacturer to watch raw, rough-edged metal parts emerge from a finishing process looking smooth, ... Read More

Polishing Copper

Oxidized copper / Two options – polished pieces Upon storage and exposure to air and moisture, may metals will oxidize and ... Read More

A Complete Guide to Acrylic Polishing: Everything You Need to Know

Fired Clay Edge Rounding | Kramer Industries Inc

Fired Clay Parts Tumbling

Common sense would state that using a barrel tumbler for fragile fired clay parts would be inadvisable. The aggressive tumbling ... Read More

Polishing Pewter

Molded pewter, rough surface finish Pewter parts can be cast into a large variety of shapes. The casting process often results ... Read More

Dry Tumbling with Corn Cob Grit

Stamped, cut, machined and otherwise processed parts often contain cutting oils and lubricants and need to be cleaned. These parts also ... Read More

Polishing Acrylic Plastic

Acrylic Parts Acrylic plastic parts often need to be polished to create a high clarity. When machined, the acrylic takes on ... Read More

Silverware Burnishing Basics – Part 2

The purpose of silverware burnishing is to both physically and chemically clean and smooth the fine surface ‘grains’ of the metal. ... Read More

Silverware Burnishing Basics – Part 1

Silverware burnishing is a process that combines surface hardening and polishing without the use of abrasives. On a microscopic scale, a ... Read More

Wood Deflashing

Before This saw-cut wood part (before) has sharp edges and flashing that need to be removed prior to staining and sealing ... Read More

Quick Polish on Aluminum

Aluminum cast parts typically have a dull, matte finish after coming out of the casting process. The part on the right ... Read More

Rounding Edges

Often stamped or cut parts have sharp edges that need to be deburred and rounded to meet the final part specifications. ... Read More

Optimizing Mass Finishing

Here is a quick (and certainly not comprehensive) checklist to assist in optimizing your mass finishing process: Equipment Issues Is the ... Read More

Wood Tumbling

Hand sanding wood parts can be a labor intensive, inconsistent and inefficient process. This cost is multiplied when small and/or intricate ... Read More

Parts Tumbling Checklist

As the economy seems to be improving and production is starting to show signs of life again, now is a good ... Read More

Polishing Acrylic

Unlike polishing metal using ceramic or porcelain media, water and soapy compounds, plastic often requires a different process. The pictures show ... Read More

Metal Hardness

The hardness of the metal (or plastic) to be finished is a critical factor in determining the ultimate surface finish in ... Read More

Removing Oxidation With Tumbling

Many metals (aluminum, copper, iron, steel) are attacked by air to create undesirable surface oxidation. While oxidation can be beneficial and ... Read More

Choosing Tumbling Media for Deburring, Deflashing or Polishing

Tumbling media for deburring is a crucial player when it comes to surface finishing. It is used to smooth out much-jagged ... Read More

Media to Parts Ratio

The number of parts that can be tumbled (vibratory or barrel) will depend on the dimensions of the part and the ... Read More

Laser Cut Steel Parts

When steel parts are laser cut, heavy slag can develop on the part. These burrs are typically much thicker and heavier ... Read More

barrel tumbling