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Fermat is a producer of high-precision, fully CNC controlled cylindrical grinders that have been designed primarily for numerically controlled grinding on a number of external, cylindrical surfaces of different diameters. Features include automatic wheel dressing and wear compensation by means of the CNC system. Grinding machines can also be equipped with an internal grinding attachment for the grinding of cylindrical and conical internal surfaces. We produce cylindrical grinders with high accuracy in the tolerance of IT4 and higher.
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BHC/R is a fully CNC controlled grinding machine with control axes X (infeed of wheel head) and Z (longitudinal feed of table), program-controlled of work head spindle revolution C.
The grinder has been designed primarily for numerically controlled grinding of a number of external cylindrical surfaces of different diameters and their contiguous front surfaces and radii, including automatic wheel dressing and wear compensation by means of the CNC system. However it can be used with special accessory for internal grinding.
On the machine can be effected longitudinal traverse grinding with a moving table, plunge-cut grinding with a stationary or oscillating table, grinding in the cycle consisting of sequence of plunge-cut grinding followed by longitudinal regrinding. In centers are possible grind cylindrical surfaces or slim taper surfaces within the range of tab le swivel. Sharper tapers can be ground by held in chuck. Shaped work piece can be ground with linear and circular interpolation.
Wheel head infeed and table travel are provided by means of servomotors and ball screws. Thanks to the special design of bed and table, BHC/R is the most stable (heavy) grinding machine, can find its application primarily in the piece or the small-scale production for grinding the workpieces of weight up to 4.000 kg | 8.800 lb. (optionally 5.000 kg | 11.000 lb. - heavy duty machine).
There are two versions of this grinder type:
