Flexible Laser Tube Cutting SystemDecember 27, 2019
BLM Group USA has debuted the LT8.20 laser tube cutting system, allowing users to choose their preferred laser source, loader/unloader style and positioning of the peripheral equipment to maximize floor space. The LT8.20 can handle cutting diameters to 9.5 in. and bar weights to 27 lb./ft.
Featuring a 3D tilt cutting head, the LT8.20 performs high-precision angular cuts in round, square, triangular, I-beam and other special shapes. With a tilting axis of 45 deg., it can handle complex cutting patterns, reach hard to access locations, and is well-suited for weld-preparation cuts in thick-walled tubes.
The system is available with a 3.5-kW CO2 laser source for cutting mild and stainless steel as well as some aluminum alloys, or with a 3- or 4-kW fiber laser that, additionally, cuts highly reflective materials such as copper, brass and galvanized steels.
The LT8.20 provides users with flexibility in their loading and unloading systems. The machines accommodate step-by-step loaders for constantly changing bar shapes, single-bar loaders for prototypes and small lots, and bundle loaders for maximum unmanned productivity. The loaders can be positioned in front of the machine or behind it, enabling users to adapt the machine to available space.
For unloading, users can choose from standard, short-part and scrap unloaders. Short parts are conveyed out at constant rate on a conveyor table that reportedly boosts productivity with a faster part discard. Longer parts can be programmed to unload to the front or the rear of the machine. By dividing unloading by part type, part collection can proceed without interruption.
Supporting arms and tables on the feeding and unloading line constantly support the bar movement during processing, reducing axial tube deformations and increasing machining accuracy.
Configuring the system with the chain loader on the front side reduces the system footprint by 20 percent and enables loading and unloading operations from the same side. This makes the system even more efficient for small-series production and small quantities, according to company officials.
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See also: BLM Group USA
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