Lapping machines or devices Accessories

BPERFORMING OPERATIONS TRANSPORTING B24Grinding technology B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS

B24B37/00Lapping machines or devices Accessories

B24B37/005Control means for lapping machines or devices B24B37/0053detecting loss or breakage of a workpiece during lapping B24B37/0056taking regard of the pH-value of lapping agents B24B37/013Devices or means for detecting lapping completion B24B37/015Temperature control B24B37/02designed for working surfaces of revolution B24B37/022characterised by the movement of the work between two lapping plates B24B37/025designed for working spherical surfaces B24B37/04designed for working plane surfaces B24B37/042operating processes therefor B24B37/044characterised by the composition of the lapping agent B24B37/046using electric current B24B37/048of sliders and magnetic heads of hard disc drives or the like B24B37/07characterised by the movement of the work or lapping tool B24B37/08for double side lapping B24B37/10for single side lapping B24B37/102the workpieces or work carriers being able to rotate freely due to a frictional contact with the lapping tool B24B37/105the workpieces or work carriers being actively moved by a drive B24B37/107in a rotary movement only, about an axis being stationary during lapping B24B37/11Lapping tools B24B37/12Lapping plates for working plane surfaces B24B37/14characterised by the composition or properties of the plate materials B24B37/16characterised by the shape of the lapping plate surface B24B37/20Lapping pads for working plane surfaces B24B37/205provided with a window for inspecting the surface of the work being lapped B24B37/22characterised by a multi-layered structure B24B37/24characterised by the composition or properties of the pad materials B24B37/245Pads with fixed abrasives B24B37/26characterised by the shape of the lapping pad surface B24B37/27Work carriers B24B37/28for double side lapping of plane surfaces B24B37/30for single side lapping of plane surfaces B24B37/32Retaining rings B24B37/34Accessories B24B37/345Feeding, loading or unloading work specially adapted to lapping