FIELD: process engineering.
SUBSTANCE: proposed method comprises fixing the part at its lengthwise sides at first position, and grinding synchronously both face sides of said part in final double face grinding. Then, fixed part is fed into space between two aligned clamping cams and fixed on face sides in second position. Therefore, first position is unclamped on lengthwise sides. Clamping cams are revolved in synchronism while part lengthwise sides are pre-ground and finished by means of PNC. To unclamp second position, clamping cams part to discharge the part into unloading device. Machine tool comprises bed with guide to accommodate two workholder assemblies that may be fitted in various positions. Said workholder assemblies accommodate clamping cams with tier clamping surfaces face each other. Each workholder assembly incorporates drive of clamping cam. Note here that rotational axis and drive axis are geometrically identical to form grinding axis. Control device is intended for driving clamping cams into synchronous rotation and fixing workpiece between clamping cams. In compliance with one version, grinding machine tool wheelhead may turn about vertical axis. In compliance with another version, grinding spindle with set of grinding wheels is arranged on bed to control motion in direction perpendicular to clamping cam axis. Grinding section comprises two grinding machine tools arranged nearby. Note here that servicing sides are aligned or turned toward each other. Note also that common loading cell is arranged between said two grinding machine tools.
EFFECT: higher efficiency in commercial production.
15 cl, 8 dwg
