

Sharpening of twist drills, diamond drills, step drills, flat drills, center drills, countersinks, counterborers, taps with 2-3-4-5-6-8 cutting edges and at high torsion, web thinning, notching, etc.
Sharpening of two-fluted mills and twist drills with differentiated cutting edges.
The NEWFORM 275 machine, further to preserve all the characteristics of smaller models, it is supplied with a unit where a new type differentiated cutting angle sharpening can be performed so as to be able to sharpen both twist drills and millers.
This type of sharpening aims to achieve two goals: max penetration capacity with a drill featuring higher cutting capacity and perfect centering thanks to a very thin and perfectly concentric web centered with respect to the outer diameter.
This device, being totally self-contained with respect to the unit that performs the normal sharpening, enables to change easily from one type of sharpening to another according to the various sharpening requirements.
Min.grinding diameter | mm 2 |
Max. grinding diameter | mm 40 |
Min. drilling angle | °40 |
Max. drilling angle | °180 |
Grinding wheel size for conoid sharpening | mm 200 x 32 x 32 |
Grinding wheel moto power | CV 1 g/min 2800 |
Web thinning motor power | CV 0,18 |
Straight cup grinding wheel size | mm 100 x 50 x 32 |
Speed of straight cup grinding wheel chuck | g/min 6000 |
Millers and twist drills sharpening motor power | CV 0,35 |
Refrigerating system motor power | CV 0,12 |
Operating voltage Total weight | Kg 280 |