Finished Pieces in a Single Step

LT-Free is the 5-axis laser cutting system that the BLM Group developed to offer maximum operating flexibility and ease of use in the laser cutting of bent tubes, flat and moulded sheet metal, hydroformed components and welded assemblies. A few technical innovations make the system even more powerful and efficient, as demonstrated at the Blechexpo fair in Stuttgart (November 7-10, 2017) at booth 1610 of Hall 1.

The Artcut interface does not require a technician specialized in robot programming (Source: BLM Group)

The true innovation of this versatile system is the new 3D graphic programming software Artcut, that allows off-line programming and simulation of the LT‑Free work cycle thus reducing times and costs of production and allowing the system to work 24/7.

Programming with the new Artcut software is simple, fast and suitable for any 3D piece. It allows to work on a 3D cutting system model, complete with all of the components you acquired. Each component is visible in a realistic fashion; it is possible to drag objects with drag&drop and a series of available additional graphic supports make programming a simple and intuitive experience.

Off-line programming provides time needed to program, simulate, make quotes, quantify the times and costs without having to stop the machine, allowing for an accurate programming and the assurance of continued production 24/7.

Artcut also helps with the correction of the trajectories of the axis in order to avoid collisions of the head with the piece or other elements of the machine. Thanks to the collision resolution algorithm, the software autonomously resolves collisions.

5-axis laser cutting system LT-Free, now enhanced with the powerful 3D software Artcut (Source: BLM Group)

This makes the use of this 5-axis laser cutting system very fast and easy, eliminating its operating limits and allowing it to be used in very different application, from prototyping up to production in series, in sectors such as the automotive, aerospace, motorcycles, appliances, HVAC, furniture or in light carpentries working with tubes and assemblies.

Using a fiber-laser source of 1 and 3 kW grants LT-Free the ability to cut a very wide range of materials with low power consumptions and low maintenance costs.

In order to meet any specific requirement, four different system configurations are available. In two of them, the Bin Picking system is available, a powerful loading/unloading station that allows the LT-Free system to work completely autonomously: With the help of a vision system, it is capable of identifying the single pieces inside a container where the pieces to be processed are stored, collect one, via an external anthropomorphic robot, and deposit it on the work table of the LT-Free system, ready for processing. The cycle is concluded with the collection from that same work table of the previously processed piece, which is placed in another container for the storage of finished pieces. (Source: BLM Gr.)

Link: ARTCUT software, BLM SPA, Cantù, Italy


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