Direct drive linear motor for metal cutting improvised for a better performance

With manufacturing, commercial, and servicing sites in China, The Unites States and Brazil, Cutlite Penta has become a top-ranking company on a global scale. Quality, technology, flexibility and customer focus combined to give life to products that are synonymous with Italian excellence.

The machines produced by Cutlite Penta are designed to cut a variety of materials, including metal, wood, plastic, ceramic, glass, methacrylate, and composite materials.

Laser cutting is used successfully in the carpentry industry where advanced technology, accuracy, and speed are necessary. For this reason, the technology is used in environments where accuracy and precision are essential, such as in the production of industrial machine components where final assembly must be perfect.

Fiber Plus 

The laser systems in the Fiber Plus family for metal cutting are equipped with fiber laser sources with a power levels up to 15Kw capable of undertaking heavier work. They combine high performance, structural rigidity, and efficiency.

Fiber Plus by Cutlite Penta matches the efficiency and effectiveness of systems using fiber laser technology, with other noticeable advantages: very easy installation and maintenance, space saving, high reliability, and high performance resulting from the perfect integration of each component.

The FIBER PLUS machine is designed for structural operations, for large-format 3D metal cutting, such as metal tanks up to 13 meters long and 3 meters in diameter, with absolute precision. There are few companies in the world capable of undertaking such work, and similarly few capable of producing machinery for performing such specific cuts, such as chamfering, or bevel cutting, with power levels of between 2 and 15 Kw.

Key Features

  • Fiber cutting head designed in-house
  • Fast Mark Group: galvanometer scan head + independent fiber laser
  • Fast Mark Group mounted directly onto the deck near to the laser head, ensuring high moving speeds and precision in the marking process
  • Structure with excellent mechanical characteristics
  • Low investment and operating costs
  • Ability to choose different configurations and tailor the system to individual production requirements

High performance, maximum effectiveness, accuracy, and precision have been optimized – thanks to the use of KOLLMORGEN direct drive linear motors, the water-cooled IC Series and the magnets in the MC Series. This solution has enabled Cutlite Penta to improve performance in terms of thrust and the performance/size ratio compared to the competition.

A direct drive linear motor is in fact a rotary motor rolled out flat and coupled directly to the load being driven by the motor.

With no mechanical transmission components, the design offers an exceptional level of performance, very high rigidity, dynamic speeds, and very high accelerations, extreme positioning accuracy, compact dimensions, low cogging, zero maintenance and quiet operation, as well has a high level of precision.

“The collaboration between our two companies has already lasted for over 10 years and every year it gets stronger,” explains Simone Zagli, Italy Area Manager for metals at Cutlite Penta. “The volume of work required is constantly increasing and we use Kollmorgen motors in any system that contains linear motors, which fully meet our needs. Our partnership is also essential to developing our new projects; in fact, in addition to classic linear motors, we have started using torque motors for rotary axes and five-axis systems.”

KBM Frameless Motors, modern direct drive technology 

KBM Series direct drive motors have been used on the rotating laser Penta Fiber Head in order to reduce kinematics, increase the accuracy of movement and maximize its compact size.

The KBM Series has been developed to be integrated directly into the machine, using its own bearings to support the rotor. There is a wide range of standard motors (14 sizes with varying lengths); depending on the need, additional configurations are available and changes to the shared design can be made quickly and cost-effectively.

KBM frameless motors characteristics:

  • Fully encapsulated stator windings
  • PTC thermistor overload protection
  • Rare-earth neodymium iron boron magnets
  • Fail-safe bands over rotor magnets
  • RoHS compliant
  • UL and CE certification
  • Optimizations include rotor hub dimensions, rotor length, diameter, mounting features, windings, insulation, connection type, and much more
  • Optional latching digital Hall effect sensors are pre-aligned and factory-installed

For more information, visit: www.kollmorgen.in

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