Production Machine Grinds Internal Diameters with High Speed, Precision

Fives introduces the Landis-Bryant UL2, a high-speed production ID grinder designed for machining workpieces with external diameters ranging to 177 mm.

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Fives introduces the Landis-Bryant UL2, a high-speed production ID grinder designed for machining workpieces with external diameters ranging to 177 mm. The machine’s torque tube bed design, combined with a “flow-thru” system that circulates oil and coolant through the base, provides rigidity and thermal stability.

Independent slides in the X and Z axes, each mounted directly to the machine bed, provide a low center of gravity. The machine’s round-bar hydrostatic slideways in each axis are said to provide a stiff system with minimum friction. The machine uses high-resolution servomotors that are directly coupled to super-precision ballscrews providing precise and reliable positioning throughout the entire production cycle.

The UL2 allows for various machine configurations involving diaphragms, collet chucks, shoe centerless magnetic chuck setups and disc drive roll centerless arrangements. This machine is offered with automatic workpiece loading solutions for many applications as well as in- and post-process gaging. Other features include an acoustic emission monitoring system (AEMS), automatic taper adjustment and a FANUC i CNC, as well as various dressing options.

Fives’ ID grinding systems are equipped with Landis-Bryant spindles that contain super-precision bearings enabling operation at high speeds. They are powered by induction motors that are said to promote efficient machining.

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