Head line HEAD LINE

 
NEW! SMALL 2AH
 

The most powerful 2-axis head in its class.

The SMALL 2AH of our new 2-axis head series Head line : Significantly higher performance and a new robust design
 

   Brochure SMALL 2AH

 
Quick Axis Change
 

Uncompromised rough-machining or finishing on a machine!

Maximal flexibility with QAC, for a quick and automatic A-axis change
 

 
Advantages SMALL 2AH
  • Same main dimensions as our bestseller SMALL 2AK
  • At least 100 % more clamping torque in the C-axis
  • At least 100 % more maximum torque
  • High accuracy Secondary cooling in the C-axis reduces the heat input in the headstock to a minimum
  • Spindles are now optionally available with shaft clamping for turning operations
  • Nearly 100 % more clamping torque in the A-axis
  • High dynamics due to the newest generation of powerful COOLMOTION® motors
  • High operational safety with LEDs due to optimal illumination of the tool intervention
  • High productivity through the use of motor spindles with higher torque, compared to our bestseller SMALL 2AK
  • With new spindlegeneration + Quick Connect Cartridge (QCC)
SMALL 2AH

C-axis (turning axis)

  • Speed: 100 rpm
  • Torque S1: 1,139 Nm
  • Maximum torque: 2,277 Nm
  • Clamping: hydraulic
  • Clamping torque: 4,000 Nm
  • Clamping with safety function
  • Tilting angle: ± 360°
  • Measuring system: absolute
  • Accuracy of measuring system: ± 5‘‘


A-axis (tilting axis)

  • Speed: 100 rpm
  • Torque S1: 1,100 Nm
  • Maximum torque.: 2,200 Nm
  • Clamping: hydraulic
  • Clamping torque: 4,000 Nm
  • Clamping with safety function
  • Tilting angle: ± 110°
  • Measuring system: absolute
  • Accuracy of measuring system: ± 5‘‘
2-axis head
Dimensions (mm)   Large fitting ∅ Small fitting ∅
Fitting diameter of C-axis

D1

390 335
Vector length L1 260 (HSK63)
280 (HSK100)
260 (HSK63)
280 (HSK100)
Projection length of A-axis L2 410 470
Fitting depth of C-axis L3 710 650
Width of A-axis B1 625 625
Depth of A-axis 420 420
Collision circle C-axis 670 670
Gross weight kg

750

750

Availability on request

Optionen

A-axis 

  • With one motor
    Torque S1: 550 Nm
    Maximum torque: 1,100 Nm
  • Pneumatic clamping
    with safety function
    Clamping torque: 2,160 Nm
  • Accuracy of measuring system: ± 2''
  • Leakage monitoring

C-axis 

  • Pneumatic clamping
    with safety function
    Clamping torque: 3,024 Nm
  • Measuring system
    with enhanced accuracy for all standard CNCs
  • Horizontal or vertical installation position

Motor spindles

Model S1 S6 / 40%
[DC: 2min]
Tool interface Bearing lubrication
Max. speed Torque (Nm) Power (kW) Torque (Nm) Power (kW)    
MT100S 20,000 85 20 115 20 HSK 63 Oil-air lubrication
MT100S 12,500 85 20 115 20 HSK 63 Permanent grease lubrication
MT100L 20,000 130 50 200 50 HSK 63 Oil-air lubrication
MT100L 12,500 130 50 200 50 HSK 63 Permanent grease lubrication
MT100H 16,000 145 60 175 60 HSK 100 Oil-air lubrication
MT100H 12,500 200 54 235 54 HSK 100 Oil-air lubrication
PC100 30,000 60 100* 80 120* HSK 63 Oil-air lubrication


Availability and other tool interfaces possible on request. *converter dependent

Quick Axis Change (QAC)

C-axis with changing interface - size 1

Fitting Ø: 540 mm

C-axis (turning axis)

  • Torque S1: 2,700 Nm
  • Maximum torque: 5,700 Nm
  • Clamping: hydraulic
  • Clamping torque: 12,500 Nm
  • Speed: 100 rpm
  • Tilting angle: ± 360°
  • Measuring system: absolute
  • Accuracy of measuring system: ± 5‘‘

C-axis with changing interface - size 2

Fitting Ø: 540 mm

C-axis (turning axis)

  • Torque S1: 4,266 Nm*
  • Maximum torque.: 8,800 Nm*
  • Clamping: hydraulic
  • Clamping torque: 18,000 Nm*
  • Speed: 100 rpm
  • Tilting angle: ± 360°
  • Measuring system: absolute
  • Accuracy of measuring system: ± 5‘‘

*planned (preliminary values)

Availability on request

SMALL 2AH (QAC)


A-axis (tilting axis)

  • Speed: 100 1/min
  • Torque S1: 1,100 Nm
  • Maximum Torque: 2,200 Nm
  • Clamping: hydraulic
  • Clamping Torque: 4,000 Nm
  • Clamping with safety function
  • Tilting angle: ± 110°
  • Measuring system: absolute
  • Accuracy of measuring system: ± 5‘‘
2-axis head
Dimensions (mm) - size 1
Fitting diameter of C-axis D1 540
Vector length L1 260 (HSK63)
280 (HSK100)
Projection length of A-axis L2 410
Fitting depth of C-axis L3 1,005
Width of A-axis B1 625
Depth of A-axis   420
Collision circle C-axis   670
Gross weight kg 1,025

Availability and measuring „size 2“ on request

Options

A-axis

  • With one motor
    Torque S1: 550 Nm
    Maximum torque: 1,100 Nm
  • Pneumatic clamping
    with safety function
    Clamping torque: 2,160 Nm
  • Accuracy of measuring system: ± 2''
  • Leakage monitoring

C-axis size 1+2

  • Pneumatic clamping
    with safety function
    Clamping torque / size 1: 9,900 Nm
    amping torque / size 2: 15,120 Nm*
  • Measuring system
    with enhanced accuracy for all standard CNCs
  • Horizontal or vertical installation position

Motor spindles

Model S1 S6/40%
[DC: 2min]
Tool interface Bearing lubrication
  Max. speed Torque (Nm) Power (kW) Torque (Nm) Power (kW)    
MT100S 20,000 85 20 115 20 HSK 63 Oil-air lubrication
MT100S 12,500 85 20 115 20 HSK 63 Permanent grease lubrication
MT100L 20,000 130 50 200 50 HSK 63 Oil-air lubrication
MT100L 12,500 130 50 200 50 HSK 63 Permanent grease lubrication
MT100H 16,000 145 60 175 60 HSK 100 Oil-air lubrication
MT100H 12,500 200 54 235 54 HSK 100 Oil-air lubrication
PC100 30,000 60 100** 80 120** HSK 63 Oil-air lubrication


Availability and other tool interfaces possible on request.
*planned (preliminary values)
**converter dependent


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
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.

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.

NEW! SMALL 2AH

The most powerful in its class. The new 2-axis head SMALL 2AH offers a significantly higher performance in machining parameters. With nearly 100% more maximum torque the power solution sets a new benchmark – and that at the same dimensions. A high productivity is acquired through the use of motor spindles, a new spindle generation with a higher torque.

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.

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.


Advantages
  • 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-axis head
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-axis head
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-axis head
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-axis head
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