Precision Grinding Solutions
G11 Manufacturing Solutions represents Kellenberger and other leading grinding brands, offering cylindrical, surface, and profile grinding equipment for the most demanding finishing requirements. When tolerances are measured in microns, the right grinding solution makes all the difference.
Our team helps you evaluate wheel specifications, dressing systems, coolant requirements, and automation options — so your grinding process is optimized from the start.
Capabilities
- Cylindrical OD/ID Grinding
- ID Grinding
- Centerless Grinding
- Surface Grinding
- Universal Grinding Centers
- Vertical Grinding
- Jig Grinding
Grinding Solutions
Explore our grinding capabilities — each machine selected for precision, reliability, and application fit.
Cylindrical OD/ID Grinding Centers
Universal cylindrical grinding centers are available for OD, ID, and face grinding in a single setup. Workpiece capacities range from small precision components up to 650mm swing and 2,000mm between centers, with grinding wheel speeds up to 60 m/s. Hydrostatic or precision roller bearing spindles deliver roundness within 0.1µm and surface finishes below Ra 0.1µm — ideal for aerospace shafts, hydraulic components, spindles, and bearing journals.
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Surface Grinding Centers
Precision surface grinding centers handle flat, angular, and contour surfaces across a range of table sizes from 450 × 200mm up to 3,000 × 1,000mm. Automatic cross-feed, programmable depth of cut, and optional rotary tables allow efficient stock removal and fine finishing. Achieves flatness within 2µm and surface roughness below Ra 0.2µm — the standard for tool & die, mold making, and precision component finishing.
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Universal Grinding Centers
Multi-process universal grinding centers combine OD, ID, and surface grinding on a single platform, eliminating multiple setups and reducing part handling. Swiveling wheelhead configurations allow angular approach for tapers, shoulders, and complex profiles. Available with center heights from 125mm to 250mm and distances between centers up to 1,500mm, these machines maximize throughput on complex, tight-tolerance workpieces.
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Vertical Grinding Centers
Vertical grinding centers are engineered for chucked workpieces requiring high-precision OD, ID, and face grinding. Chuck diameters range from 200mm to over 1,000mm, with gravity-assisted workholding ensuring stability and repeatability on heavy, large-diameter parts. Ideal for rings, flanges, bearing races, and brake discs requiring tight roundness and perpendicularity tolerances.
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ID Grinding Centers
Dedicated internal diameter grinding centers are engineered for tight-tolerance bores, blind holes, and complex internal geometries in hardened materials. High-frequency internal grinding spindles operate at up to 120,000 RPM for small bore work, with bore diameter ranges from 3mm to over 400mm. Delivers roundness within 0.2µm and surface finishes below Ra 0.1µm on through-bores, stepped bores, and tapered IDs.
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Jig Grinding Centers
High-accuracy jig grinding centers deliver positional accuracy within ±0.001mm for precision bores, contours, and complex geometries in hardened materials. CNC-controlled planetary spindle heads allow interpolated contour grinding of pockets, radii, and profiles without repositioning. Available with table sizes from 400 × 250mm to 1,200 × 700mm — the standard for precision mold shops, tool rooms, and aerospace fixture manufacturing.
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Let our team match you with the grinding equipment that meets your finish and tolerance requirements.
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