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Wheel Wire brush – Proper Positioning and Other Tips

March 25, 2020

Wheel wire brushes or mostly used for surface cleaning of metal and stainless steel welding applications.

In addition to paying attention to designations for RPM rating, size, and material, you should also follow these tips when using Wheel wire brush.

Use the Orkon wheel wire brush or stringer wheel wire brush at a 90-degree angle, perpendicular to the work surface.
Use the Orkon cup brush at horizontal position of the grinder so that the full face of the cup brush faces the work surface.
User must apply the proper amount of pressure—to allow the wheel wire brush to do the work.
Choose a grinder with the highest torque or amperage available for the application, as this will help the brush to do more of the work. For example, instead of using a 4.5-in. wheel on a 6-amp grinder, use a 4.5-in. wheel on a 10-amp grinder. The RPM rating remains the same, but the tool will provide more torque to cut into the metal.
Choose a tool and consumables that offer quick, consistent cutting, which typically provides the most efficient performance.
Store the wheel in a clean, dry environment, and avoid placing it in water or mud. This helps minimize environmental effects that could degrade its performance or cause it to crack or wear prematurely. The performance of wheel wire brush or cup brush tends to deteriorate when the wheel is stored under conditions where there is moisture.
Inspect the wheel brush and consumable before each use to check for signs of damage or wear. Brushes can become harder to control as they wear down. If you can no longer make a safe cleaning because the wheel’s wires is worn out or thin, then the best course of action is to replace it.

Orkon Cutting wheel / Discs – basics

March 25, 2020

Plenty of manual cutting applications call for a hand-held grinder and cutting wheel. Cutting sheet metal, sizing a piece for fabrication, cutting out a weld to refabricate it, and cutting and notching in pipeline work are just a few examples of what can be accomplished using a grinder and cutting wheel. Orkon cutting wheel or Orkon Cutting disc

By following a few best practices, you can extend wheel life, promote safety, and improve productivity and efficiency within the metal cutting process.

Some of the important considerations in using resinoid-bonded wheels include the cutting application, the tool being used—such as a right-angle grinder, die grinder, or chop saw—desired cutting action, the material being cut, and space. Orkon Wheels / Orkon Discs typically provide a fast cutting action, long life, and tend to be cost-effective.

Composition and Types of Cutting and Grinding Discs

March 25, 2020

Orkon cutting wheels have both types. There are different types of resinoid-bonded abrasive cutting wheels that are flat, and another type which are raised hub – known as depressed center wheel. Flat type wheels generally are used for straight-on cutting on electric or pneumatic right-angle grinders or die grinders and chop saws, among other tools. Depreseed center wheels are required when there is some type of interference and the wheel needs to be raised up from the base of the grinder as it is in general power tools, but personal preference also plays a role in the decision. They are most commonly used with electric or pneumatic right-angle grinders.

Resinoid-bonded abrasive cutting wheels or cutting discs are available in various sizes and thicknesses. The most popular range is 2 to 16 inches in diameter, and common thicknesses are from 0.045 in. to 1⁄8 in. Thinner wheels remove less material during the cut but they finish the job faster. Some types of Orkon wheels cut faster than others. The abrasive raw material used in the wheel is one influencer on cut rate and consumable life. Metal Cutting Wheels come in several grain options, such as aluminum oxide, silicon carbide, zirconia alumina, ceramic alumina, and combinations of these materials.

While not as sharp as other grains, aluminum oxide provides toughness and good performance for cutting on steel. Silicon carbide, on the other hand, is a very sharp grain but not quite as tough, making it suitable for cutting nonferrous metals. Zirconia alumina is a self-sharpening, tough, durable grain that holds up well in a range of demanding applications. Ceramic alumina also is designed to self-sharpen as it “breaks” at predetermined points to maintain a consistent cut rate and long life.

While selecting an abrasive wheel, consider that products made with a mixture of zirconia or ceramic alumina with a harder bond typically cost more but offer durability and longer consumable life.

Users and buyers are requested to refer to the Orkon product manufacturer’s recommendations, product descriptions, and RPM ratings to select the proper wheel size and bonded abrasive material for your application. Matching the size and RPM rating of the tool to the size and RPM rating of the wheel is critical for safe and effective usage. Choosing the tool with the greatest amperage or amount of torque while staying within size and RPM requirements of the wheel will increase performance. Note that wheel have a shelf life, so make sure what comes in first goes out first (FIFO).