TECHNICA CENTER HOLE 106-86

TECHNICA CENTER HOLE GRINDER
S/N 106-86

STANDARD SPECIFICATIONS
Workpiece length – standard range………………………..…….. 2” to 42”
Clearance tail stock center to column………………………..…… 6.2”
Vise capacity (standard jaws)………………………………….…. .060” to 6”
Maximum center hole ground (large end)……………………..….. 2”
Minimum center hole ground (large end)…………………..…….. .050”
Grinding spindle speeds………………………………….…. 13000 / 21500 / 45000 RPM
Planetary drive speed………………………………………..……. 330 RPM
Angular grinding stroke…………………………………….……. .005” to .100”
Wheel head drive motor……………………………………..……. 3600 RPM1/2 HP
Planetary drive motor………………………………………..……. 900 RPM1/4 HP
Weight of machine……………………………………………..…. 1250 lbs.
Floorspace without dust collector……………………………….... 31.5” x 43”

OPERATION
The Bryant Center Hole Grinder produces geometrically correct center holes – avital requirement for precision O.D. grinding.Ideal for re-centering distorted centers in machine spindles, arbors, center-controlled checking devise for other salvage work.
It minimizes stock removal and greatly improves work quality and accuracy. Operation of the Bryant Grinder is unique –instead of utilizing plunge grinding, with its inherent faults, it “Generates” to produce fine finishes and precision tolerances similar to those obtained on an internal grinder. High Precision3-way grinding to the cone-shaped wheels are – Rotary Motion of the Grinding Cone above its spindle axis; Planetary motion of the Grinding Cone about its spindle axis; Reciprocating motion of the Grinding Cone along a line 30 degrees from the vertical.

EQUIPMENT FEATURES
Wheel dresser.
Adjustable vise.
Lubrication.
Attached electrics.

Specifications are deemed accurate, however, subject to verification or prior sale.

All exchange units/returns must be shipped within 30 days. All exchange units/returns must be shipped using DDP terms - Grinders Clearing House, Inc. dba GCH Machinery, is not responsible for any customs formalities or shipping costs.

If Grinders Clearing House, Inc. dba GCH Machinery does not receive exchange/core unit back within 30 days, GCH will invoice FULL replacement cost (OUTRIGHT Cost) to customer.