Round, straight and concentric on the same setup. Cylindrical grinding is where concentricity is either won or lost. Our universal machines carry both an outside diameter wheel head and a high speed internal spindle, so a bush can be ground on the bo
Cylindrical grinding is where concentricity is either won or lost. Our universal machines carry both an outside diameter wheel head and a high speed internal spindle, so a bush can be ground on the bore and the outside without leaving the chuck and without stacking two setup errors on top of each other.
OD and ID grinding on one machine, for shafts, bushes, needle valves and plungers.
CNC punch and pin grinding from 1 mm up to 150 mm, internal and external.
The larger centerless machine in the range, covering 0.5 to 60 mm diameter.
Built for small parts, where high volume and tight size control meet.
Hardened shafts and sleeves come off the lathe oversize and out of round. Regrinding them on separate OD and ID machines introduces run out between the two features, which then shows up as bearing noise or a valve that leaks. Grinding both features in one clamping keeps them true to each other.
Who buys these machines: Hydraulic and pneumatic component makers, needle valve and plunger manufacturers, bearing and bush shops, and tool rooms grinding punch pins and form tooling.
The WK1420x500 is rated at 1.5 micron roundness on outside diameters and 2.5 micron on bores, with Ra 0.25 micron surface roughness on the OD.
The WK22 runs its internal spindle between 10000 and 20000 rpm on ER11 collets, the speed range small bores need to keep surface speed up.
Workhead, OD wheel, ID wheel, oil pump and coolant pump each have their own motor, so a slow workpiece speed does not starve the coolant.
A minus 5 to plus 9 degree table rotation grinds shallow tapers and morse fits without special tooling.
Yes. The WK1420x500 and the WK22 both carry an internal spindle alongside the outside diameter wheel, so both features are ground in one clamping.
The WK1420x500 is rated 1.5 micron on outside diameters and 2.5 micron on bores, with longitudinal uniformity of 5 micron OD and 8 micron ID. Achieved figures depend on the workpiece, the fixture and the wheel.
Yes. The WK1420x500 is offered in a CNC configuration, and the WK22 is CNC as standard. Control brand is your choice from FANUC, SIEMENS, SYNTEC or GSK.
50 kg between centres on the WK1420x500, at 135 mm centre height and 500 mm grinding length.
A wheel balancing stand, a centre rest and a closed type radius dresser are the usual additions. We list them on the quote so nothing is missing when the machine is commissioned.
Send the part drawing or a description of the work and we will tell you which model in this category fits, and what wheel to start with.
