CNC facing and centering
Dedicated to shaft manufacturing. Precise control of centre-hole alignment, geometry and depth establishes an accurate datum at the first stage of machining, supporting the accuracy of all subsequent shaft operations.
An installed base of 300+ CNC and special-purpose machines covering turning, gear manufacturing and finishing — from the first centre hole to CBN-ground tooth flanks.
Dedicated to shaft manufacturing. Precise control of centre-hole alignment, geometry and depth establishes an accurate datum at the first stage of machining, supporting the accuracy of all subsequent shaft operations.
Single and double steady-rest systems for precision shafts; special chucking with gap-sensing controls for repeatable clamping, parallelism and squareness — prerequisites for high-quality gears.
4-axis centres integrating turning, drilling and milling in a single set-up — better positional accuracy, shorter throughput, less handling.
Twin turning spindles, milling head and spline-hobbing on one platform: output spindles are turned, drilled, tapped, reamed, bored, milled and spline-cut in one set-up.
Bull gears, ring gears, heavy housings and other large-diameter components, typically 10–60 kg.
4th-axis VMCs with digital probing and hydraulic clamping for complex milling, drilling, reaming and tapping on near-net forgings.
Pallet-changing HMCs for housings and carriers — single-set-up accuracy with offline loading.
Hollow shafts and hydraulic transmission shafts; axial and peripheral deep holes to Ø8–35 mm and 1,000 mm length.
Liebherr, CEMA, Nimble, Pfauter and Churchill machines, some with automatic ring loading; involute gears and splines to DIN 8, every set-up validated on CNC gear measurement.
Liebherr and Lorenz machines for external and internal gears and splines, shoulder and blind-hole configurations, to DIN 8.
Hurth, Kanzaki and Mitsubishi machines; plunge, diagonal and traverse shaving to DIN 7.
Internal and external teeth with integrated ID turning for concentricity and pitch-line runout control; to DIN 7, extensively used for internal ring gears.
HMT vertical broaching for internal splines in through-bore configurations.
PMT CNC roofing for synchronised transmission gears with integrated clutch teeth; gear-tooth rounding in the same cell.
Samputensili and Grindmaster for helical gears; a Gratomat fleet for spur and low-helix gears.
Marposs in-process gauging and automatic wheel balancing for micron-level accuracy at volume.
Diaphragm chucks and roller-cage supports; single-digit-micron bore tolerances and tightly controlled pitch runout.
Automatic correction and digital air gauging on hardened components, internal and external diameters.
Seal diameters to Ra 0.1 µm and below, lead-free and twist-free.
DIN 7 up to DIN 5; generating and profile grinding, Twist-Free and Silent Shift Grinding for NVH-critical transmissions including hybrid and electric vehicles.