Ultra Precision Products

842/Mi

Machining Capability

CNC Turning

Application

Aerospace
Automotive
Micro Mechanic

The perfect high-precision machine for complex applications, also suitable for hard turning Our machines are manufactured around a rigid structure, and can be modified to suit your specific area of use. A number of different versions are available, including the standard version with a 16-position frontal VDI 30 turret. The top-of-the-range version includes an integrated spindle and a high precision 12-position turret. A counter spindle and tailstock are available as options.

The front turret is a VDI 30 turret
Front turret has 16 stations that are all driven
High precision production lathe with FANUC digital control
Turret speed up to 12,000 rpm

Catalogue Enquiry

Main spindle with integrated motor

Main spindle with belt motor

Sub spindle with belt motor

High Precision Spindle

The high-precision main spindle features a high torque and performance characteristics. Optionally, the sub-spindle enables parts to be finished while perfect coaxiality is guaranteed.

Fanuc ultra-performancce systems

We cooperate with partners renowned all over the world. Fanuc offers ultra-performancce systems tailored to the specific requirements.

High-precision radial turret

The high-precision radial turret can be used for main spindle and sub-spindle operations. The 12 turret stations are driven by an integrated motor designed for speeds up to 12,000 rpm.

Specification

	842	842 Mi
Machining Capacity
Maximum turning diameter	300 mm	300 mm
Stroke X	400 mm	400 mm
Max. distance between centers	470 mm	450 mm
Max. distance between spindle noses	-	642 mm
Headstock
ISO spindle nose	A2-5	A2-5
Max. throughbore	42 mm	42 mm
Moteur C axis	Déporté	Intégré
Power continuous / intermittent	7.5 kW / -15 kW	24 kW / 30 kW
Torque continuous/ intermittent	47 Nm / 126 Nm	72 Nm / 90 Nm
Rotational speed range	50 - 6’000 min-1	50 - 6’000 min-1
Adjustable axial clamping force S1 hydraulic	5’000 - 33’000 N	5’000 - 33’000 N
Counter Spindle (option)
ISO Spindle nose	-	A2-4
Max. throughbore	-	32 mm
Moteur avec axe C	-	Déporté
Power continuous/intermittent	-	2.2 kW / 3.7 kW
Torque continuous/intermittent	-	23 Nm / 38 Nm
Rotational speed range	-	50 - 5’000 min-1
Adjustable axial clamping force S2 pneumatic	-	4’500 - 11’500 N
Turret
Tool clamping	VDI 30 Fronta	SAUTER Radial
Number of tool stations(all driven)	16	12
Maximum tool size	20 x 20 mm	20 x 20 mm
Torque of the rotating tools, S1	9 - 14.2 Nm (1600 min-1)	4 - 8 Nm (6000 min-1)
Power continuous/intermittent	2 kW / 8 kW	3 kW / 6 kW
Indexing time 1 pos.	0.56 s	0.39 s
Slide Upper Turret
Stroke X / Z	X = 200 / Z = 400 mm	X = 200 / Z = 400 mm
Feedrate X / Z	30 m/min max	30 m/min max
Resolution X	0.00005	0.00005
Resolution Z	0.0001	0.0001
Slide Counter-Spindle (Option)
Stroke Z	-	445 mm
Feedrate Z	-	30 m/min max
Resolution E	-	0.0001
Contre-pointe cône morse 3 (option)
Stroke Z	445 mm	445 mm
Feedrate Z	30 m/min max	30 m/min max
Tank with Coolant
Tank capacity	170 L.	170 L.
Pump displacement capacity	42 L/min à 19m	42 L/min à 19m
Pressure of watering pump	10 bar	10 bar
Dimensions and Weight
Approximate net weight of the machine	3,300 kg	3,600 kg
Overall dimensions in mm L x D x H	1,895 x 1,783 x 1,947 mm	1,895 x 1,783 x 1,947 mm

The 842 High Precision Lathes are in conformity with the European Community safety regulations (CE). In view of the constant improvements made to our products, technical data, illustrations, dimensions and weights appearing in this catalogue are subject to change without notice.

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