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After introducing mechanical face drivers to the U.S., LMC Workholding offers patented face drivers and live centers from Tecnologie FRB. Headquartered in Bologna, Italy, Tecnologie FRB designs and manufactures products incorporating advanced technology in turning, gear cutting, and grinding.
The FRB face drivers feature a patented mechanical compensating system, which is highly adjustable and reliable in the most difficult conditions. Work positioning is maintained with optimal repeatability, according to the company. The use of centers with slots also allows turning of pipe, or workpieces with holes in the end.
The patented live centers offer the exclusive axial load distribution and allows for higher feed rates and deeper cuts. A very high live center thrust can also be applied to the process with this patented center.
Related Glossary Terms
- centers
centers
Cone-shaped pins that support a workpiece by one or two ends during machining. The centers fit into holes drilled in the workpiece ends. Centers that turn with the workpiece are called “live” centers; those that do not are called “dead” centers.
- feed
feed
Rate of change of position of the tool as a whole, relative to the workpiece while cutting.
- grinding
grinding
Machining operation in which material is removed from the workpiece by a powered abrasive wheel, stone, belt, paste, sheet, compound, slurry, etc. Takes various forms: surface grinding (creates flat and/or squared surfaces); cylindrical grinding (for external cylindrical and tapered shapes, fillets, undercuts, etc.); centerless grinding; chamfering; thread and form grinding; tool and cutter grinding; offhand grinding; lapping and polishing (grinding with extremely fine grits to create ultrasmooth surfaces); honing; and disc grinding.
- turning
turning
Workpiece is held in a chuck, mounted on a face plate or secured between centers and rotated while a cutting tool, normally a single-point tool, is fed into it along its periphery or across its end or face. Takes the form of straight turning (cutting along the periphery of the workpiece); taper turning (creating a taper); step turning (turning different-size diameters on the same work); chamfering (beveling an edge or shoulder); facing (cutting on an end); turning threads (usually external but can be internal); roughing (high-volume metal removal); and finishing (final light cuts). Performed on lathes, turning centers, chucking machines, automatic screw machines and similar machines.
