Esab has released its Cutmaster 60i hand-held air plasma-cutting system, a three-phase, 400 V unit that weighs 16.8 kg and provides a rated output of 7.6 kW at 50% duty cycle (at 60 A).

Cutmaster 60i produces a recommended cut of 16 mm, has a maximum sever thickness of 38 mm and, according to Esab, provides the fastest cutting speed (at any thickness) in its class.
Esab says that users will immediately notice the oversized, high-visibility LED display on the Cutmaster 60i, which communicates more information, more clearly, at a glance and from a distance. The display provides the necessary feedback to optimise parameter settings and cut quality. Cutmaster 60i also has a best-in-class ability to hold the arc for longer, which helps when cutting in awkward positions and when performing gouging operations.
The system includes the new SL60QD 1Torch, which offers a quick disconnect feature for the selective replacement of either the torch handle assembly or torch leads at a lower cost than replacing both together (a necessity with one-piece torch/lead assemblies). Moreover, integral gas-optimiser technology helps ensure premium cut quality and performance by precisely regulating air pressure; although users can also adjust the gas pressure manually. When users set amperage, mode of operation, torch type, and add torch lengths to extend cutting reach by an additional 7.6, 15.2 or 22.9 m, the machine uses its colour display to provide recommended gas-pressure settings.
Low amperage especially benefits small shops and garage users as they might not have a large breaker like an industrial facility.
For further information www.esab.com

Higher cutting speed equals higher laser power. This formula has been more than just a rule of thumb, but Trumpf engineers have now severed the correlation between speed and kilowatts.

The fruit of their labour? The Highspeed and Highspeed Eco cutting processes.
A newly designed nozzle boosts the feed rate by up to 100% for solid-state laser machines that employ fusion cutting with nitrogen. What’s more, laser power does not need to be increased. Not only is the feed rate now faster, but also the piercing process. These new cutting operations also allow for nearly a two-fold increase in sheet throughput compared with standard cutting, says the company, while less cutting gas is used thanks to the nozzle’s design. The Highspeed process requires 40% less nitrogen on average, with the Highspeed Eco 70% less.
In fusion cutting, gas under relatively high pressure blows molten material out of the kerf, which entails high operating costs. Flame cutting using oxygen has traditionally been used for mild steel, especially for relatively thick sheets. The advantage of low gas costs is offset by oxidised cut edges, which often need to be reworked.
Trumpf’s new Highspeed and Highspeed Eco processes, by contrast, are faster and use less gas, which greatly increases the cost efficiency of fusion-cutting mild steel with nitrogen. In addition, the scope of application is today broader for 8 kW lasers used in fusion cutting. The laser can now cut sheets as thick as 12 mm, instead of just 10 mm as in the past.
For further information www.trumpf.com