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The new GT 112-E automatic magazine bar feeder from LNS is suitable for sliding headstock machines running unattended or lights-out production using small bar stock with diameters from 0.8 mm to 11 mm (12.7 mm with bar preparation). A dual U-shaped guiding channel with a patented sectional guiding channel cover, combined with a self-centering bar clamping system matches the entire diameter range of the lathe. The single-pitch screw magazine keeps very small bars separated for consistent and reliable bar loading.
Two GT 112-E versions are available, one for 12’-2” bars and another for 6’-6” bars. Both units have compact designs that take up less floor space.
Setup takes 2 minutes or less by inputting bar diameter, feed out length and guiding element diameter into the prompting, handheld, touch screen remote control (HMI). The bar feeder then automatically sets pushing torque, forward speed and feeding length.
Other features include:
- Electro-mechanical headstock synchronization of bar stock
- LNS safety joint pipe spindle reduction system that completely contains the bar and eliminates the need for spindle liners
- Magazine tray holds up to 30 bars with 7 mm diameter and under, and 15 bars over 7 mm
- Optional 400 mm Z-axis bar feeder retraction system allows easy maintenance access
Related Glossary Terms
- feed
feed
Rate of change of position of the tool as a whole, relative to the workpiece while cutting.
- lathe
lathe
Turning machine capable of sawing, milling, grinding, gear-cutting, drilling, reaming, boring, threading, facing, chamfering, grooving, knurling, spinning, parting, necking, taper-cutting, and cam- and eccentric-cutting, as well as step- and straight-turning. Comes in a variety of forms, ranging from manual to semiautomatic to fully automatic, with major types being engine lathes, turning and contouring lathes, turret lathes and numerical-control lathes. The engine lathe consists of a headstock and spindle, tailstock, bed, carriage (complete with apron) and cross slides. Features include gear- (speed) and feed-selector levers, toolpost, compound rest, lead screw and reversing lead screw, threading dial and rapid-traverse lever. Special lathe types include through-the-spindle, camshaft and crankshaft, brake drum and rotor, spinning and gun-barrel machines. Toolroom and bench lathes are used for precision work; the former for tool-and-die work and similar tasks, the latter for small workpieces (instruments, watches), normally without a power feed. Models are typically designated according to their “swing,” or the largest-diameter workpiece that can be rotated; bed length, or the distance between centers; and horsepower generated. See turning machine.
