Johnson's Tooling Logo 1 DRILL GRINDING EQUIPMENT
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OPTIMA DRILL GRINDERS
CONCENTRICITY

OPTIMA Logo
UNIQUE DESIGN
Sharpens Drills a Faster Simpler Way!

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!

Optical inspection and Correction of concentricity in one setting
(extremely important in the small grinding
range below 1/2" diameter)

Projector Inspection of Concentricity

Projector Inspection of Concentricity
To assure the utmost concentricity and self-centering point geometry, drills can be checked and if faulty (due to off-center flutes, worn shank or margin), corrected for their accuracy in one setting while the drill is still held in its original chucked position.

This can be accomplished by an unskilled operator in just seconds.

How to check and correct the concentricity:
Insert the two plastic dividers over projection screen and compare the length of both projected cutting lips by setting one divider over the center point and the other over the OD of the drill. If the drill is off-center, you will find a long and thin lower lip on one side and by indexing it 180° a short and wide (higher) lip on the other side. Grind the shorter lop until both lips match in length.

Please note: Unless the drill is off-center fluted by the manufacturer both lips will, after the correction, also match in their width.

Fastest grinding wheel change
Fastest grinding wheel change and dressing
(18 Seconds).
Built-in Diamond Dresser
Built-in diamond dresser guarantees correct working level!
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CUTTERMASTER

Johnson's Tooling, Inc.
200 South McKeen Street • Suite A • Butler, PA 16001
724-287-2529 • Fax: 724-287-5659
E-Mail: info@johnsonstooling.com

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