L12

The L12: Handling All Small-diameter Work with 7-axis Control

Detachable Guide Bushing and 15,000 min-1 High-speed spindle.
Machining using a guide bushing is a useful method for long, slender work-pieces. On the other hand, using a interchangeable guide bushing with short work-pieces leaves a long remnant bar, increasing material costs. The optimum machine configuration differs according to the work-piece to be machined, and up until now a variety of different machines have been required. The L12 solves this problem.

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L12
Item L12VII
Maximum machining diameter ø12mm/ ø16mm Option
Maximum machining length GB machine 135mm/chuck
GBL machine 30mm/chuck
Maximum drilling diameter for main spindle ø8mm
Maximum tapping diameter for main spindle (tap,die) M6
Main Spindle through-hole diameter ø20mm
Spindle speed 15,000min-1
Maximum drilling diameter for gang rotary tool ø5mm
Maximum tapping diameter for gang rotary tool M4
Gang rotary tool spindle speed 10,000min-1
Maximum chuck diameter of back spindle ø12mm
Maximum protrusion length of the back spindle workpiece 30mm
Maximum drilling diameter in back machining process ø6mm
Maximum tapping diameter in back machining process M5
Back spindle speed 10,000min-1
Number of tools to be mounted Max.27
Tool size Turning tool □10mm
Sleeve ø19.05mm
Rapid feed rate All axis 35m/min
Motors For spindle drive 2.2/3.7kW
For tool spindle drive 0.75kW
For back spindle drive 0.4/0.75kW
For cutting coolant oil 0.25kW
Input power capacity 8kVA
Center height 1,000mm
Weight 1,700kg
For rotary tool drive of Back tool post 0.5kW
Maximum drilling diameter for back tool post rotary tool ø5mm
Maximum tapping diameter for back tool post rotary tool M4
Rotary tool spindle speed of back tool post 9,000min-1

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