Savvy manufacturers never stop researching to keep costs down and improve productivity… While the in advance price of electricity tools is without a doubt attractive, pneumatic tools offer a lower sum total of ownership and greater throughput over time.
Industrial air grinders give you a different value proposition than electric grinders. They’re engineered for longevity, efficiency, and most importantly safety. Air powered grinders are becoming more popular due to the benefits provided with regards to their cost. Adopting air powered grinders brings about greater cost benefits throughout the lifetime of the tool.
In the following paragraphs, we explore 5 clear cut benefits afforded by way of industrial grade pneumatic grinders.
1. Non recourse of Electric Shock
Grinders of varieties are frequently found in environments where moisture, conductive materials, and flammable liquids can be found. Damaged cords and wires pose a danger to operator safety due to electrical shock. Furthermore, metal fabricators often depend upon flammable chemicals, like acetone, to wash and prep metals before welding. Pools of spilled liquids can easily be ignited by faulty electrical cords. Additionally, vapor concentrations might be higher when employed in confined spaces such as those located in the mining and tank cleaning industries. On the other hand, air tools require no electricity, and their rotary vane air motors generate no spark. Pneumatic grinders therefore produce a safer work place which lessens the probability of generating OSHA violations. Simply put, air tools are safer than electric tools because an air hose will never emit a spark and can be used in wet conditions.
2. Superior Ergonomics and Power to Weight Ratio
Pneumatic grinders give you a better capacity to weight ratio than electric grinders. The bottomline is, pneumatic grinders produce more horsepower within a smaller and lighter package. Misleadingly, electric tool manufacturers often classify the strength of their tools by the wattage fed into their electric motors (incidentally 750 watts equals roughly 1 horsepower). What’s not stated in electric tool specifications is the power fed in the motor isn’t the same wattage that involves the spindle of the tool. In fact, only 50% to 60% with the rated wattage actually comes to fruition at the abrasive or accessory. In comparison, with pneumatic grinders, power in equals power out. A cloak motor rated for 1 horsepower will supply that same amount of capability to the tool.
3. Increased Productivity
Let’s put ergonomics and ratios aside for just a moment. If increasing worker output can be a priority for your operation (so when don’t you think?), pneumatic grinders may help you meet your objectives. When working with grinders of any type, Revolutions For each minute (RPM) play a crucial role within the material removal equation. Abrasive products (grinding wheels, fiber discs, flap wheels, etc.) are engineered to perform optimally in a specific RPM. Fortunately, modern pneumatic grinders include a speed control mechanism, (otherwise known as a governor), that ensures proper RPM by regulating the air flow towards the tool. As the operator places downward pressure for the abrasive, the governor “opens up”, increasing venting to the motor and ensuring the best spindle speed.
4. 100% Duty Cycle + Top rated in Harsh Environments
Mitch Burdick, a Product Manager for Tools at Bosch says: “The two biggest threats affecting electric tool life are dirt and and heat – dropping them in water, or baking them within a hot sun doesn’t help either.” By their very nature electric motors have a rated duty cycle which should be respected. Without a periodic rest, the temperature generated through the motor itself will diminish performance and ultimately cause premature tool failure. In reality, for every 4 minutes running, a power grinder was designed to have one minute of sleep.
Furthermore, the generation of particles is built into any material removal process. Using the open grate style motor compartments necessary for cooling, electric tool motors tend to be more susceptible to the buildup of the dust and dirt. As opposed, Industrial Grade Air Tools are created especially for used in foundries, shipyards, offshore oil platforms, power plants, metal fabrication facilities, and petrochemical refining plants. Air tools use a 100% duty cycle, meaning they are designed to run Round the clock Seven days a week (when in combination with a filter regulator lubricator). Air tool housings are constructed of aluminum or steel, not ABS plastic driving them to more resistant to the impact from repeated drops. Pneumatic grinders could be used underwater if the exhaust is vented across the surface!
5. Simple Servicing and Sustainability
A commercial grade grinder is not an disposable machine and does not immediately end up in the landfill as being a “disposable” commercial electric grinder. Pneumatic grinders might be updated and become periodically rebuilt often times over. The typical electric tool maintenance interval is between 60 and 120 hours then the tool will typically need, at least, a brand new list of brushes. Comparatively, a garage / maintenance grade air tool averages 200 hours between service intervals while a really industrial grade air grinder can increase to 2000 hours between tune-ups. When the time comes to service your air tools, convenient and clearly labeled kits are available that have the commonest wear parts.
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