Sliding Headstock Type Automatic CNC Lathe
The L320 XII B5 finally enables simultaneous 5-axis control, greatly expanding the machining range of CNC automatic lathes. Improved basic performance, along with great advances in ease of use.

Improved basic performance

B-axis tools expand the machining range for the front spindle to 110°. This allows more complex machining with higher accuracy
The number of turning tools is increased to six, resolving tool shortages.
Thermal dimension changes reduced through thermal analysis. This enables continuous machining with stable accuracy.

Improved Productivity

The latest NC unit on the machine realizes simultaneous 5-axis control. Cycle times are shortened due to improved program processing capability.
The higher output of the back spindle improves acceleration/ deceleration, which helps to shorten cycle times.
LFV can now be used for back machining, eliminating problems with chip entanglement.
The IoTFriendly function incorporated in the machine enables configuration of an operation monitoring system using communication standards compliant with OPC-UA and MTConnect.
The available peripheral units include motor-driven knock- out devices, loaders/unloaders, ATC units, and servo-driven chucking devices.

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Max. machining diameter 20 mm Dia., 25 mm Dia. [1″]OP.
Max. machining length GB 20 mm Dia. spec. – 200 mm per chucking
25 mm Dia. spec. – 188 mm per chucking
GBL Max. 50 mm per chucking (GBL)
Max. front drilling diameter 10 mm Dia.
Max. front tapping diameter M8 (cutting tap)
Spindle through-hole diameter 26.4 mm Dia.
Spindle speed Max.10,000 min -1
Max. chuck diameter of the back spindle 20 mm Dia., 25 mm Dia.[1″]OP.
Max. taking-out length of the product 130 mm
Max. workpiece protrusion length from the back spindle 40 mm
Max. drilling diameter in back machining 8 mm Dia.
Max. tapping diameter in back machining M8
Back spindle speed Max. 10,000 min-1
Rotary tools on the gang tool post
Maximum drilling diameter 8 mm Dia.
Max. tapping diameter M6 (cutting tap)
Spindle speed Max. 9,000 min-1 (rated speed: 9,000 min-1)
Rotary tools on the opposite tool post*
Maximum drilling diameter φ5 mm
Max. tapping diameter M4 (cutting tap)
Spindle speed Max. 7,500 min-1 (rated speed: 6,000 min-1)
Back rotary tool
Maximum drilling diameter φ5 mm
Max. tapping diameter M4 (cutting tap)
Spindle speed Max. 7,500 min-1 (rated speed: 6,000 min-1)
Number of mountable tools 41
Turning tools on the gang tool post 6
Rotary tools on the gang tool post 21
Front drilling tools 6
Back drilling tools 8
Tool size
Turning tools 12 mm sq. (13 mm sq., 16 mm sq.
Sleeve 19.05 mm Dia.
Chuck / bushing
Front spindle collet chuck FC034-M (FC071-M: 25 mm Dia.[1″]OP.)
Back spindle collet chuck FC034-M-K (FC071-M-K: 25 mm Dia.[1″]OP.)
Rotary tool collet chuck ER11, ER16
Chuck for drill sleeve ER11, ER16
Guide bushing WFG206-M, DFG206M (FG521-M:25 mm Dia.[1″]OP.)
Rapid traverse rate
X1, Y1, Z1, X2, Z2 axis 32 m / min
Y2 axis 8 m / min
For front spindle drive 2.2/ 3.7/ 5.5 kW (continuous/ 15 minute/ 10%ED ratings)
For back spindle drive 1.5/ 2.2/ 3.7 kW (continuous/ 40%ED/ 10%ED ratings)
For front rotary tool drive 0.75 kW
For back rotary tool drive 0.75 kW
For coolant pump 0.4 kW
Rated power consumption 8.8 KVA
Total load current 37 A
Main breaker capacity 60 A
Supply voltage AC 200V ± 10%
Pneumatic device
Required pressure 0.5 MPa
Required flow rate 52/ 65/ 197 NL / min (Power ON/ Normal/ With air blow)
Machine body dimensions W 2,222 × D1,265 × H1,835 mm
Center height 1,050 mm
Machine weight 2,680 kg

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