The G350T, G550T and G750T 5axis universal machining centers provide customers in the machining industry almost limitless options for milling and turning workpieces from various materials. Three linear and two rotary axes enable five sided machining with five-axis simultaneous interpolation. With a swivel range of 225° on the A‘- axis and 360° on the B‘-axis, they provide optimum flexibility in terms of positioning. Their drive concept is based on two symmetrically located ball screws and weight compensation with the G550T/G750T in the Y‘axis and dynamic,wearfree torque motors in the A’ and B’-axis. Further benefits include the optimum position of the operating point (TCP) for extremely high rigidity, the longest Z axis travel for this machine class and the fact that the maximum work piece size can be machined in the workspace with maximum tool length.
The G800 has been known as a machine concept for specific customer requirements in the system machine sector since as far back as the GROB in-house exhibition in 2015. The G1050 now introduces the concept as a standard GROB design for the universal machine market. With its innovative axis concept and ideal pallet size, the G1050 large-scale machining concept provides customers in the universal machining sector with versatile applications across a wide range of industries. The 4 or 5axis modular system makes it ideal for adapting to specific customer requirements.
The palette size of 800 x 800 mm to 1,000 x 1,250 mm is particularly suited to machining large components such as engine parts and rear axle covers for utility vehicles – and even whole axle brack-ets. This means that components can be machined up to an interference diameter of 1,600 mm and a height of 1,500 mm. Steeply inclined chip conveyors in the machine work area are best for chip evacuation – even for dry machining. Precision timed
tool-change alarm for tool weights up to 50 kg ensures excellent chip-to-chip times. Due to its generous guide-way distances, the machine delivers amazing rigidity, even with extra-long tools up to 850 mm.
Customers can choose from a wide range of GROB motor spindles developed and manufactured in-house – ensuring optimum process design and the right spindle for their specific requirements. GROB spindles have the shortest runup times and are easy to access and maintain. They are suited to all common cooling lubricants, giving them universal usability – with excellent mechanical features and extreme durability. GROB large-scale machining centers give customers the choice of the latest market leading CNC control systems, achieving better productivity. Setup can occur simultaneously to the tool being machined thanks to the dual pallet-change system. GROB also offers additional software options to suit customer specifications, meaning that the large-scale machining center can be adapted to specific customer requirements.
The G1050 machine concept provides excellent process reliability, cost efficiency and durability. With the new pivoting milling head on the 5axis version, the G1050 can switch from horizontal to vertical machining mode in seconds. This makes the G1050 ideal for universal machine manufacturing, the aircraft industry, mold making and power engineering in the universal machining sector, too.
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