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Knuth CNC Inclined Bed Lathe Compact 720

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Robust, powerful and universal -
with machining lengths up to 1000 mm

Construction and material of the machine frame ensure optimum damping of vibrations and lasting, consistent machining accuracy
Turning diameters up to 850 mm and center width up to 1000 mm allow machining of large parts
Inclined bed with an angle of 45° ensure smooth flow of chips to the standard chip conveyor
linear guides on X and Y for high rapid feed speeds and high positioning accuracy
headstock and spindle head ensure maximum accuracy, even at high, continuous loads
the advanced cooling system prevents thermal influences and ensures low-wear operation
preloaded dual spindle nuts ensure zero backlash and excellent rigidity
these features combined with a large leadscrew ensure minimum temperature influence and high dynamics
Fanuc 0i-TD - proven control with absolute reliability
extensive standard equipment, including hydraulic tool turret, hydraulic power chuck
laser calibration for controlling the positioning accuracy ensures maximum precision

Specifications - Compact 720 - CNC Inclined Bed Lathe

working area
turning diameter over bed (max.)	850 mm
turning diameter over support (max.)	500 mm
workpiece length (max.)	1000 mm
travel X-axis	350 mm
travel Z-axis	1100 mm
headstock
speed range	40 - 2000 rpm
spindle inside taper	A2-11
lathe chuck diameter	380 mm
spindle bore	131 mm
feed
rapid feed X-axis	12000 mm/min
rapid feed Z-axis	20000 mm/min
tool head
number of tool stations	12 Pieces
tool shank dimensions	32x32 mm
boring bar mount diameter	50 mm
accuracies
positioning accuracies	± 0,005 mm / 0,0002"
repeatabilities	± 0,004 mm / 0,0002"
drive capacity
motor rating main drive (cont./30 min)	22/26 kW / 30/35 Hp
motor rating X	4 kW
motor rating Z	4 kW
total power consumption	30 kVA
measures and weights
overall dimensions	5930x2290x2550 mm
weight	12900 kg

Control - Compact 720 - CNC Inclined Bed Lathe

Fanuc 0i-TD mit Manual Guide 0i

High Performance for Excellent Productivity

Contour programming
Easy creation of complex contours
Advanced fixed cycles, graphical support
G & M Code help
ISO CODE Programming Assistant
DIN / ISO Programming
Graphic simulation for reliable control of NC programs
High compatibility with existing Fanuc CNC programs

A wealth of world-class functions in the Basis CNC ensures maximum productivity

Port for storage card, processing of storage card in DNC operation
NANO Interpolation
High-Performance digital Servo System on all axes
optional free M Codes
optional relay outputs
512 KB storage for parts programs / Package B
RS232 port
multiple languages
User-friendly graphic display for visual review of parts program
Advanced help function and alarm/operating archive
64 tool compensation pairs
Tool life-cycle management: The tools can be subdivided in groups. The life times and tool numbers for each group that are stored in the NC control can be shown in an easy to read table format.
consistent cutting speed
process time and parts counter

Standard equipment - Compact 720 - CNC Inclined Bed Lathe

Fanuc 0i TD with Manual Guide 0i, hydr. 3-jaw chuck ø 380 mm, hydraulic 12-station tool turret, programmable tailstock, coolant system, chip conveyor with chip container, fastening bolts, machine feet, automatic central lubrication, work lamp, foot switch for chuck, grease gun, operating tools, operating manual and programming instructions, operator manual