Modern Machine Shop

AUG 2018

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MMS AUGUST 2018 192 IMTS 2018 Grinding and Abrasive Machining Custom Abrasives, Dressing Tools Enhance Grinding Productivity Meister Abrasives will be displaying products that can be custom-tailored for grinding quality, precision and productivity. Products on display include the compa- ny's HPL anti-friction abrasive offerings, which are formulated to eliminate part burning while maintaining grinding productivity. The company's hybrid-bonded, long-lasting precision dressing tools are said to reduce process variability while improving quality and produc- tivity. Double-disc, fine-grinding wheel products can be customized for grinding flat and parallel surfaces. Swiss-quality, vitrified cubic boron nitride (CBN) and diamond abrasive wheels range to 1,225 mm (approxi- mately 4 ft.) in diameter. The company also offers custom-tailored grinding and dressing products to resolve issues facing the automotive, fuel injection, aerospace, bearing, medical, energy and semi-conductor manufacturing industries. | Meister Abrasives USA | North, Level 3, Booth 237341 Five-Axis Grinder Features Extended Axis Movement Schütte's 325linear five-axis CNC grinder features extended X- and Y-axis movement and two auxiliary slides for workpiece clamping. The machine operates in a range of 2,500 to 4,000 rpm and accommodates micro tools, gun drills, hob cutters and complex geometries, the company says. The second auxiliary slide improves grinding wheel guidance over the machining envelope and enables tool guidance, part support, tailstock and workpiece pallets to be used in operation. The machine's advancements in wheel change and robotic workpiece handling are said to expand possi- bilities for automation. On the A axis, a user can install collet chucks, hydraulic expansion chucks or multi- range chucks. With the automated collet changer on the machine, workpieces with different diameters can be clamped with high concentricity in the unattended loader station. The A-axis configuration permits posi- tion-oriented clamping of non-rotationally symmetrical workpieces, enabling sequential workpieces with vari- ous roughing and finishing requirements to be preset on the machine. The grinder offers scalable automation, including a 140-position toolchanger, a 5- to 24-grinding wheel magazine and a flexible robotic tool gripper for changing micro tools. It features a universal-rotation A axis with concentricity of less than 0.0001-degree resolution and pitch accuracy. The machine is offered with the company's SIGSpro (Schütte Integrated Grinding Software) as the programming interface, which allows users to assign clamping options for each grinding opera- tion being performed. | Schutte North America North, Level 3, Booth 237288

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