Turbine Grinders

Experience the ultimate in grinding technology with our turbine grinders, the compact workhorses that set the industry benchmark for ergonomics, power, durability, and performance. Our innovative turbine technology ensures these angle turbine grinders deliver superior material removal on the roughest surfaces. The speed controlled governor maintains optimal operating speed, significantly reducing operation time. Loaded with features to enhance operator comfort, ergonomics, and safety, our turbine grinders also reduce air consumption.

What does a turbine grinder do?:

It is a grinder powered by a turbine motor instead of the standard vane motor, built specifically for rough grinding and surface grinding where maximum material removal and efficiency matter most.

What makes the turbine grinder unique and different from normal grinders?:

The turbine motor delivers up to 40% more efficiency for the same job, while also giving a much higher power-to-weight ratio. That means you can use a lighter, more compact tool without giving up material removal rate. As Atlas Copco puts it, today’s small turbine grinders match the power of their vertical grinders from the 1970s, but at less than half the weight, with significantly lower noise and vibration, giving the operator twice the power in half the time. The GTG25 is built for both surface and rough grinding and is rated as having the highest material removal rate in its class. The GTG40 is built specifically for rough grinding on open surfaces with cup wheels or wire brushes, where high power output is the priority. The GTG22 is the compact option, a benchmark for ergonomics, power, durability, and performance in a smaller, more accessible size for restricted work areas.

Where is the turbine grinder used?:

It is used for rough grinding and cutting off with cup wheels, depressed center wheels, or wire brushes, and for surface finishing work. It is not used for precision/die grinding, that stays with vane motor tools. Free speed runs from about 6,000 up to 12,000 rpm across the GTG line, with power output from 2.3 up to 6.1 hp depending on the model.

What are the usual applications of a turbine grinder?:

Positioned as the higher-efficiency, higher-output option for rough and surface grinding specifically, not a general purpose tool the way vane grinders are. Choose turbine over vane when the job needs faster material removal and higher material removal rate, or a lighter tool for the same output, but note it’s only available in the GTG22, GTG25, and GTG40 lines, not across the whole range.

What’s the difference between, GTG22, GTG25 and GTG40?:

The main differences are power, weight, and intended application. The GTG22 is the most compact and lightweight model, delivering 2.3 kW (3.1 hp) and weighing as little as 1.9 kg (4.2 lbs), making it ideal for confined spaces and applications where accessibility and ergonomics are critical. The GTG25 offers a step up in power with 2.5 kW (3.4 hp) while remaining lightweight at approximately 2.1-2.2 kg (4.6-4.9 lbs), providing an excellent balance of productivity and maneuverability. The GTG40 is the most powerful model in the range, delivering 4.5 kW (6.1 hp) and designed for the most demanding heavy-duty grinding and material removal applications.

What safety features does a turbine grinder have?:

Every GTG model includes an overspeed shut-off device (a built-in safety shut-off if the tool spins faster than it should), a spindle lock for safer wheel changes, an adjustable wheel guard, and a trigger with integrated safetly latch.

Does the whole GTG line have an auto-balancer?:

Yes, every turbine grinder has an auto-balancer

How much more efficient is a turbine motor, in real terms?:

For the same grinding job, a turbine grinder needs meaningfully less total process time and significantly lower total air consumption than a conventional vane grinder doing the same task. The exact percentage varies by job and model, but the efficiency gain is consistent across the GTG line, not just a claim for one specific model.

Does a turbine grinder need special maintenance compared to a vane grinder?:

Turbine grinders generally require less routine maintenance than vane grinders. Their oil-free turbine motor design reduces maintenance needs while delivering high power, durability, and long service life