sales@libertymachinery.com
sales@libertymachinery.com
DedTru Grinder 287-0000
Model 287-000 Serial No. 6259
Model C Unit Serial No. 3352
Model PFG Unit Serial No. 380
SPECIFICATIONS:
Vertical Working Height (Center of Spindle) Above Regulating 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 grinder EQUIPPED WITH:
Model C DedTru Centerless Grinding Unit
Model PGF DedTru Centerless Grinding Unit
Dual Sine Base
Acu-Rite Quikcount II 2-Axis DRO (In/mm)
Auto-Cycle, Dwell, and Fine Feed
Hole Through Column for Longer Parts
FilTru Coolant System with Settling Tank, Filter Assembly, and Pump
Large Splash Shield and other Splash Guards
Extension Arm and Roller Support Assembly
Outboard Roller Support
Various Work Pressure Rolls and Blades
Various Wheel Hubs and Grind Wheels
*Catalog Specifications Subject to Verification
Centerless grinding on a DedTru 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 DedTru grinder between the grinding wheel and the regulating wheel. 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 offers several advantages. It enables high productivity, as multiple workpieces can be ground simultaneously using a continuous feed mechanism on a DedTru grinder. The process is also suitable for long, slender workpieces that may be difficult to support using traditional grinding methods.
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