Kessler Swivelling spindle head

Head line HEAD LINE

1- and 2-axis heads with KESSLER spindles and motors

Applications with high requirements need a reliable partner. KESSLER 2-axis heads provide a compact and rigid design with high flexibility for numerous applications within your machine.

KESSLER’s latest torque motor generation achieves a high dynamic which is required especially when milling very intricate and narrow workpiece contours. High positioning accuracy, high clamping force and a large tilting angle ensure that precise results are achieved in 5-axis machining. KESSLER also offers compatible spindles for use with our 2-axis heads, to fulfil your machining needs.


2-axis heads - Experts for simultaneous machining
Kessler 2-Achsige Spindelschwenkköpfe
MINI 2AK

Compact and highly dynamic.
The entry-level model for processing high-strength aluminium alloys and composite materials. With a fitting diameter of 230 mm and upwards, 2-axis head MINI 2AK supports a highly compact tool machine design.

Kessler 2-Achsige Spindelschwenkköpfe
SMALL 2AK

Bestseller for numerous application options. This ultrafast and highly efficient professional choice achieves a speed of 24,000 rpm for stell and compositie machining, and a maximum of 30,000 rpm for aerospace applications. Spindles with a torque of up to 150 Nm can be used.

Kessler 2-Achsige Spindelschwenkköpfe
MEDIUM 2AK

High-performance machine. The large and highly dynamic 2-axis head MEDIUM 2AK impresses with performance high chip removal rate and precise results whilst machining steel, with spindles up to 400 Nm torque.

Kessler 2-Achsige Spindelschwenkköpfe
LARGE 2AK

Power solution for heavy cutting requirements. Large-scale 2-axis head for powerful operation with spindles up to 700 Nm torque, for effortlessly mastering the machining of challenging materials such as titanium Inconel.


Benefits
  • Individual configurability due to modular design
  • High dynamics due to powerful KESSLER torque motors
  • Reliable skilled project partner – for 2-axis heads, spindles and motors
  • Very maintenance friendly: Wear parts can be easily replaced on site
  • Robust design with monolithic fork
  • Precise machining results due to high positioning accuracy
  • High flexibility – and suitability for numerous applications
  • High productivity due to high tilting speed
  • Your trusted service partner – know-how directly from the manufacturer
MINI 2AK

C-axis (turning axis)

  • Torque S1: 300 Nm
  • Maximum torque: 600 Nm
  • Clamping: Pneumatic
  • Clamping torque: 1,080 Nm
  • Clamping with safety function
  • Tilting angle: ± 360°
  • Measuring system: Incremental
  • Accuracy of measuring system: ± 6‘‘


A-axis (tilting axis)

  • Torque S1: 150 Nm
  • Maximum torque: 280 Nm
  • Clamping: Pneumatic
  • Clamping torque: 650 Nm
  • Clamping with safety function
  • Tilting angle: ± 95°
  • Measuring system: Incremental
  • Accuracy of measuring system: ± 5“
Kessler 2-Achsige Spindelschwenkköpfe
Dimensions (mm)
Fitting diameter of C-axis

D1

310
Vector length L1 225
Projection length of A-axis L2 381
Fitting depth of C-axis L3 340
Width of A-axis B1 450
Depth of A-axis 310
Collision circle C-axis 500
Gross weight kg

360

Modular extensions available

A-axis

  • Second clamping
    Clamping torque: 1,170 Nm
  • Second motor
    Torque S1: 300 Nm
    Maximum torque: 560 Nm
  • Measuring system
    with enhanced accuracy for all standard CNCs
  • Leakage monitoring

C-axis

  • Reduced fitting diameter
    Fitting diameter: 230 mm
  • Second clamping
    Clamping torque: 1,944 Nm
  • Measuring system
    with enhanced accuracy for all standard CNCs
  • Tilting head installation position
    horizontal or vertical
Motor spindles
Model Max. speed (rpm) S1 S6 / 40% Tool interface Bearing lubrication
Torque (Nm) Power (kW) Torque (Nm) Power (kW)
SMS 060.20-696.367

20,000

23 20 30 23 HSK 63 Re-greasing
SMS 060.20-650.176 20,000 26 20 34 26 HSK 63 Oil-air lubrication
SMS 060.20-688.815 24,000 26 20 34 26 HSK 63 Oil-air lubrication


Other tool interfaces possible on request


SMALL 2AK

C-axis (turning axis)

  • Torque S1: 810 Nm
  • Maximum torque: 1,100 Nm
  • Clamping: Pneumatic
  • Clamping torque: 1,680 Nm
  • Clamping with safety function
  • Tilting angle: ± 360°
  • Measuring system: Incremental
  • Accuracy of measuring system: ± 3‘‘


A-axis (tilting axis)

  • Torque S1: 382 Nm
  • Maximum torque: 590 Nm
  • Clamping: Pneumatic
  • Clamping torque: 2,160 Nm
  • Clamping with safety function
  • Tilting angle: ± 105°
  • Measuring system: Absolute
  • Accuracy of measuring system: ± 5‘‘
Kessler 2-Achsige Spindelschwenkköpfe
Dimensions (mm)
Fitting diameter of C-axis

D1

335
Vector length L1 280 (HSK 63) / 340 (HSK 100)
Projection length of A-axis  L2 470
Fitting depth of C-axis L3 483
Width of A-axis B1 624
Depth of A-axis 420
Collision circle C-axis 670
Gross weight kg

535

Modular extensions available

A-axis

  • Second motor
    Torque S1: 764 Nm
    Maximum torque: 1,200 Nm
  • High-torque motors
    Torque S1: 840 Nm
    Maximum torque: 1,680 Nm
  • Extended tilting angle
  • Tilting angle: ± 120°
    (only for variant with one motor in the A-axis)
  • Measuring system
    with enhanced accuracy for all standard CNCs
  • Leakage monitoring

C-axis

  • Fitting diameter: 390 mm
  • Second clamping
    Clamping torque: 3,024 Nm
  • Measuring system
    with enhanced accuracy for all standard CNCs
  • Tilting head installation position
    horizontal or vertical
Motor spindles
Model Max. speed (rpm) S1 S6 / 40% Tool interface Bearing lubrication
Torque (Nm) Power (kW) Torque (Nm) Power (kW)
SMS 080.40-680.393

12,000

119 25 143 30 HSK 100 Oil-air lubrication
SMS 080.40-681.520 15,000 120 45 145 45 HSK 100 Oil-air lubrication
SMS 080.40-690.595 15,000 89 56 111 70 HSK 63 Permanent grease lubrication
SMS 080.30-680.395 18,000 89 56 111 70 HSK 63 Oil-air lubrication
SMS 080.30-680.443 20,000 60 37 73 46 HSK 63 Re-greasing
SMS 080.36-680.396 20,000 60 60 75 75 HSK 63 Oil-air lubrication
SMS 080.32-675.519 24,000 60 37 73 46 HSK 63 Oil-air lubrication
SMS 090.32-697.467
*
24,000
60
60

77
60
HSK 63 Oil-air lubrication
HSC-S 080.32-676.050
30,000
38
60

48
75
HSK 63 Oil-air lubrication


*AEROSPACE edition; Other tool interfaces possible on request.


MEDIUM 2AK

C-axis (turning axis)

  • Torque S1: 2,100 Nm
  • Maximum torque: 3,200 Nm
  • Clamping: Pneumatic
  • Clamping torque: 5,500 Nm
  • Clamping with safety function
  • Tilting angle: ± 360°
  • Measuring system: Incremental
  • Accuracy of measuring system: ± 3‘‘


A-axis (tilting axis)

  • Torque S1: 680 Nm
  • Maximum torque: 1,050 Nm
  • Clamping: Pneumatic
  • Clamping torque: 4,080 Nm
  • Clamping with safety function
  • Tilting angle: ± 105°
  • Measuring system: Absolute
  • Accuracy of measuring system: ± 5‘‘
Kessler 2-Achsige Spindelschwenkköpfe
Dimensions (mm)
Fitting diameter of C-axis

D1

540
Vector length L1 290 (HSK 63) / 390 (HSK 100)
Projection length of A-axis L2 435
Fitting depth of C-axis L3 684.5
Width of A-axis B1 685
Depth of A-axis 500
Collision circle C-axis 780
Gross weight kg

1,150

Modular extensions available

A-axis

  • Second clamping
    Clamping torque: 7,344 Nm
  • Second motor
    Torque S1: 1,360 Nm
    Maximum torque: 2,100 Nm
  • Measuring system
    with enhanced accuracy for all standard CNCs
  • Leakage monitoring

C-axis

  • Reduced fitting diameter
    Fitting diameter: 420 mm
  • Second clamping
    Clamping torque: 9,000 Nm
  • Measuring system
    with enhanced accuracy for all standard CNCs
  • Tilting head installation position
    horizontal or vertical
Motor spindles
Model Max. speed (rpm) S1 S6 / 40% Tool interface Bearing lubrication
Torque (Nm) Power (kW) Torque (Nm) Power (kW)
SMS 112.52-681.608

7,000

318 50 382 60 HSK 100 Oil-air lubrication
SMS 112.52-697.729 10,000 318 50 382 60 HSK 100 Oil-air lubrication
DMS 112.54-665.172 12,000 228 60 344 90 HSK 100 Oil-air lubrication
DMS 112.46-691.272 15,000 187 49 267 70 HSK 100 Oil-air lubrication
HSC-S 090.14-676.078*
30,000
50
100

62
124
HSK 63 Oil-air lubrication


*AEROSPACE edition; Other tool interfaces possible on request


LARGE 2AK

C-axis (turning axis)

  • Torque S1: 2,675 Nm
  • Maximum torque: 4,050 Nm
  • Clamping: Pneumatic
  • Clamping torque: 5,500 Nm
  • Clamping with safety function
  • Tilting angle: ± 360°
  • Measuring system: Incremental
  • Accuracy of measuring system: ± 3‘‘


A-axis (tilting axis)

  • Torque S1: 1,130 Nm
  • Maximum torque: 2,260 Nm
  • Clamping: Pneumatic
  • Clamping torque: 4,080 Nm
  • Clamping with safety function
  • Tilting angle: ± 105°
  • Measuring system: Absolute
  • Accuracy of measuring system: ± 5“
Kessler 2-Achsige Spindelschwenkköpfe
Dimensions (mm)
Fitting diameter of C-axis

D1

540
Vector length L1 350
Projection length of A-axis L2 505
Fitting depth of C-axis L3 774.5
Width of A-axis B1 821
Depth of A-axis 500
Collision circle C-axis 890
Gross weight kg

1,234

Modular extensions available

A-axis

  • Second clamping
    Clamping torque: 7,344 Nm
  • Second motor
    Torque S1: 2,260 Nm
    Maximum torque: 4,520 Nm
  • Measuring system
    with enhanced accuracy for all standard control systems
  • Leakage monitoring

C-axis

  • Reduced fitting diameter
    Fitting diameter: 420 mm   
  • Second clamping
    Clamping torque: 9,900 Nm
  • Measuring system
    with enhanced accuracy for all standard control systems
  • Tilting head installation position
    horizontal or vertical
Motor spindles
Model Max. speed (rpm) S1 S6 / 40% Tool interface Bearing lubrication
Torque (Nm) Power (kW) Torque (Nm) Power (kW)
SMS 132.60-684.199

7,000

500 52 700 73 HSK 100 Permanent grease lubrication
DMS 132.56-684.207 12,000 300 48 452 71 HSK 100 Oil-air lubrication


Other tool interfaces possible on request.

  • Special housing / special designs, 2-axis head for grinding applications
  • Composite machining
  • Turning applications
  • A-axis available separately


SMALL 2AK Special

Kessler Motor-Spindel
Benefits
  • High-performance machining: Processing of high-strength aluminium alloys and composite materials
  • Short processing times due to high chip removal rate
  • High processing quality due to maximum retention force of the tool clamping system
  • Powerful: Standard converter for the use with 8 kHz rated frequency
  • High productivity due to maximum cutting capacity
  • Precise results: Usage of long extending tools possible
Model Max. speed
(rpm)
S1 S6 / 40% Tool interface Bearing lubrication
Torque
(Nm)
Power
(kW)
Torque
(Nm)
Power
(kW)
SMS 090.32-697.467

24,000

60 60 77 60 HSK 63 Oil-air lubrication


Other tool interfaces possible on request.

Kessler Spindelschwenkköpfe