Manu engineering works presents heavy duty model DG 40 drill grinders for precision grinding and sharpening of all shank type of cutting tools like standard drills, slot drills, core drills, counter shank drills, multi-step drills, taps etc. used in machine shops. It can quickly grind conventional points completely in one operation giving repeatable results. The Precision 6 Jaw, self centering chuck takes drills from 3mm to 40 mm dia in Model DG 40 & 5 mm to 50 mm dia in Model DG 50. The main chuck spindle incorporate a frictionless linear bearings having spring loaded precision imported roller thrust bearings on both sides for smooth operation of the workhead for long period. As the drill rotates, both the lips are ground in one operation uniformly producing the correct cutting angle and precision point. The work-head is fitted on a robust compound slide. The specially designed 1 H.P., 3 Phase, 440 V., AC, Electric Motor has three heavy duty ball bearings with dynamically balanced rotor for smooth and vibration-free grinding finish for long life. The point angle can be varied from 40 degree to 180 degree by locking swiveling work-head at the required angle. Adjusting the back plate of chuck can change the clearance angle by the control arm, which automatically changes the cam effect. For web thinning, a separate disc wheel is provided behind the standard wheel for point thinning immediately after the point grinding without removing drill, eliminating the flute milling error resulting in an accurate ground drill point. The machine is supplied with a cam suitable for RH Drills. Extra accessories such as special cam for 180-degree flat bottom drill grinding, cam for grinding pilot drill of any angle, 4 flute tap & core drill-grinding cam. Machine lamp and coolant pump with tank can be supplied on request at an extra cost, if ordered with the machine.

The prominent features of the product are as follows:

Better hole finish

More holes per re-grind for perfect point

Closer tolerance

Compact & elegant design

Saves time, labour and money.