OPTIMA DRILL GRINDERS SUPPLIED BY JOHNSON'S TOOLING

MULTI-TASKING
Grinding and Point Splitting or
Web Thinning in One Operation!

CONCENTRICITY
Optical inspection and Correction of concentricity in one setting

BENEFITS
Let the Optima System pay for
itself in your plant!

SPECIFICATIONS
Join thousands of satisfied customers!

Sharpen drills this faster, simpler way:

Sharpen drills fast, simpler with Optima

(grinding time: 15 to 40 seconds depending on size and condition of the drill)

Set required angles (all angles are adjustable).
Place drill in adjustable chuck (1) and push through master sleeve against contact crystal (2).
Drill is now automatically focused and visible on built-in projection comparator (3).
Line up cutting edge parallel to the reference lines on the screen ad clamp drill holder in this position.
Swing swivelarm to the left and pass drill across the grinding wheel (4) to grind the secondary clearance angle.
Lift swivelarm up against the stop for the primary cutting angle and return to the contract crystal (2).
(Built-in diamond dresser always guarantees correct wheel position).
Index 180° (no relocating needed) and repeat the grinding operation on the other half of the drill.

Self Centering split point for cleaner and burr free holes (semi-reamer)

Self centering split point with 90° chamfer
for cleaner and burr free holes (semi-reamer).

OPTIMA DRILL GRINDERS UNIQUE DESIGN