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DedTru Centerless Grinder Model 284-0000 – #50220

Liberty Machine # 50220 Category Make

DedTru Centerless Grinder Model 284-0000

New – 1993
Serial No. 7857
SPECIFICATIONS:
Working Height – Center of Spindle to Reg. Roll…………10″
Cross Feed Travel…………6-3/4″
Longitudinal Travel…………18″
Table Size…………6″ x 18″
Hole Through Column…………2-3/4″
Workpiece Size:
– OD w/Basic Equipment…………1/4″ – 1-1/4″
– OD w/Standard Optional Accessories…………0.031″ – 5″
– ID – Maximum w/Optional Accessories…………5″
Wheel Size:
– Diameter – Maximum…………8″
– Length – Maximum…………3″
Regulating Rolls:
– Model C…………4-1/4″ x 4″(W)
– Model PGF…………5″ x 2″(W)
Electrics…………480V/3Ph/60Hz
Dimensions – Actual…………56″ x 41″ x 71″(H)
Weight – Approximate…………1,500 Lbs.

DedTru centerless grinder EQUIPPED WITH:
Unison DedTru Model PGF – Plunge Grind Fixture (s/n 498)
Dual Sine Base
Acu-Rite Quikcount II 2-Axis DRO (In/mm)
Auto-Cycle for Table, Regulating Roll, & Downfeed
Dwell Time & Fine Feed
Hole Through Column for Longer Parts
FilTru Coolant System with Settling Tank, Filter Assembly, & Pump
Large Splash Shield and other Splash Guards

*Catalog Specifications, Subject to Verification

Centerless grinding with a DedTru centerless grinder is a precision grinding process used to machine cylindrical workpieces with high accuracy and surface finish. Unlike conventional grinding methods, centerless grinding does not require the use of a centering device or chuck to hold the workpiece in place. Instead, the workpiece is supported by a regulating wheel, while a grinding wheel removes material from the workpiece.

In centerless grinding, the workpiece is fed through the grinding machine between the grinding wheel and the regulating wheel on a DedTru centerless grinder. The regulating wheel controls the rotational speed and feed rate of the workpiece, while the grinding wheel removes material by making contact with the workpiece. The geometry of the grinding wheel is carefully set to achieve the desired diameter, roundness, and surface finish of the workpiece.

Centerless grinding with a DedTru centerless grinder offers several advantages. It enables high productivity, as multiple workpieces can be ground simultaneously using a continuous feed mechanism. The process is also suitable for long, slender workpieces that may be difficult to support using traditional grinding methods.

Read more about centerless grinding HERE and HERE.

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