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Spindles
Air Turbine Grinding Heads
(Product Details/Quote/Order)
 These grinding heads include the 9,000 RPM, 40,000 RPM, 55,000 RPM, 60,000 RPM, 120,000 RPM and 175,000 RPM models. All models with the exception of the 9,000 RPM model can be upgraded with hybrid ceramic ball bearings.
Grinding heads returned for repair are completely disassembled and all components thoroughly inspected for wear or damage. Moore Tool will note, on a quotation, those components that do not meet original specifications. Moore recommends replacement of these components since worn or damaged components can adversely affect the performance and lifetime of a grinding head.
Moore Tool will perform a "bearing replacement only" if requested.
Electric Grinding Heads
(Product Details/Quote/Order)
 The standard electric grinding heads (for use on Moore Jig Grinders, not sold as a stand alone item) are the 7-15,000 RPM, 10-40,000 RPM, and 25-80,000 RPM models. Moore Tool offers repair services for all these grinding heads. Electric grinding heads returned for repair are completely disassembled and all components thoroughly inspected for wear or damage. Moore Tool will note, on a quotation, those components that do not meet original specifications. Moore recommends replacement of these components since worn or damaged components can adversely affect the performance and lifetime of a grinding head.
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Hydrostatic Spindles
 The Moore Tool Company, a leader in precision machine tool design and manufacture, produces a wide range of hydrostatic spindles for milling, turning, grinding, and special-purpose machining. The integration of extremely sophisticated individual components with equally sophisticated processes, achieve the high levels of accuracy, productivity, and reliability required for machining quality.
To satisfy the exacting and sometimes conflicting demands placed on the spindle used in precision high-speed machining, Moores hydrostatic spindles combine ultra-high rotational accuracy, high-static stiffness, extremely high-resistance to vibration and low sensitivities to both imbalance force and high built-in motor temperatures.
Standard spindles
Specifications range from small units with sleeve diameters of 50mm with speeds up to 100,000 rpm, to large spindles with sleeve diameters of 320mm with maximum speeds of 10,000 rpm. (Available with built-in motors or with provisions for external driving motors.)
Multi-mode milling spindles
Combining a ball bearing mode with a hydrostatic bearing mode, these ultra-precision spindles handle low-speed heavy roughing, high-speed precision milling, and mirror-surface diamond turning with rotational accuracy less than 0.1 micron.
Precision grinding spindles
For internal and/or external grinding applications, these spindles can serve as a work head, with rotational accuracy under 0.03 micron. Surface finishes of 10 Angstroms can be achieved when grinding glass.
Axial-oscillating grinding spindles
Controlled axial oscillations improve work piece surface finish and productivity results. Oscillations range from 0 to 2 mm with frequencies from 0 to 100 Hz.
Workpiece centering spindle assembly
Automatic self-centering of the work piece simultaneously occurs in two cross-sections in a few seconds. Aligns the work piece rotationally to less than 0.1 micron, eliminating radial run-out and tilting motion.
Hydrostatic Spindles
(248KB - PDF)
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