Head line HEAD LINE

Two-axis heads with KESSLER spindles and motors
Intelligent systems: KESSLER heads think ahead – Head line

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 fulfill your machining needs.


Experts for simultaneous machining

The right head for every position:
KESSLER 2-axis heads available from MINI to LARGE + Quick Axis Change (QAC)

MINI 2AH

Compact and highly dynamic.
The entry-level model for processing high-strength aluminium alloys and composite materials. With a fitting diameter of 335 mm and upwards, the MINI 2AH supports a highly compact tool machine design.

SMALL 2AH

Bestseller for numerous application options.
This ultrafast and highly efficient professional choice achieves a speed of 20,000 rpm (MT) for stell and composite machining, and a maximum of 30,000 rpm for aerospace applications. Spindles with a torque S1 of up to 200 Nm can be used.

MEDIUM 2AH

High-performance machine.
The large and highly dynamic MEDIUM 2AH impresses with performance high chip removal rate and precise results whilst machining steel, with spindles up to 400 Nm torque S1.

LARGE 2AH

Power solution for heavy cutting requirements.
Large-scale 2-axis head for powerful operation with spindles up to 1,200 Nm torque S1, for effortlessly mastering the machining of challenging materials such as titanium Inconel.


The most powerful 2-axisheads in their class
Advantages
  • Individual configurability due to modular design
  • Reliable skilled partner - for 2-axis heads, spindles and motors
  • High clamping torque in the C-axis
  • High maximum torque
  • High accuracy Secondary cooling in the C-axis reduces the heat input in the headstock to a minimum
  • Very maintenance friendly Wear parts can be easily replaced on site
  • Spindles are optionally available with shaft clamping for turning operations
  • 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
  • High clamping torque in the A-axis
  • High dynamics due to the newest generation of powerful COOLMOTION® motors
  • High degree of operational safety thanks to LEDs due to optimal illumination of the tool intervention
  • High productivity thanks to high-torque motor spindles
  • With new spindle-generation MT + PC line
  • With Quick Connect Cartridge (QCC)*

*does not apply to MT80 and MT600

C-axis (turning axis)

  • Torque S1: 560 Nm
  • Maximum torque: 1,120 Nm
  • Clamping: hydraulic
  • Clamping torque: 3,000 Nm
  • Tilting angle: ± 360°
  • Measuring system: absolute
  • Accuracy of measuring system: ± 5‘‘


A-axis (tilting axis)

  • Torque S1: 400 Nm
  • Maximum torque: 800 Nm
  • Clamping: hydraulic
  • Clamping torque: 3,000 Nm
  • Tilting angle: ± 110°
  • Measuring system: absolute
  • Accuracy of measuring system: ± 5‘‘
MINI 2AH (QAC)
Dimensions (mm)
Fitting diameter of C-axis D1 335 -
Vector length L1 225 -
Projection length of A-axis L2 410 440 (QAC)
Fitting depth of C-axis L3 629 -
Width of A-axis B1 550 -
Depth of A-axis T1 340 -
Collision circle C-axis D2 600 -
Gross weight kg 500 -

Options

A-axis

  • Pneumatic clamping
    with safety function
    Clamping torque: 2,430 Nm
  • Measuring system
    with enhanced accuracy for use
    with all standard control systems
  • Leakage monitoring

C-axis

  • Pneumatic clamping
    with safety function
    Clamping torque: 2,430 Nm
  • Measuring system
    with enhanced accuracy for use
    with all standard control systems
  • Horizontal or vertical installation position

Motor spindles

Model   S1 S6 / 40% S6 / 25% S6 max.  
Max. speed (rpm) Torque (Nm) Power (kW) Torque (Nm) Power (kW) Torque (Nm) Power (kW) Torque (Nm) Power (kW)  
MT80-S24 24,000 55 40 65 40 70 40 80 40 High speed
MT80-S20 20,000 80 45 95 45 110 45 145 45 High torque


Available on request,
not available with Quick Connect Cartridge (QCC)

C-axis (turning axis)

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


A-axis (tilting axis)

  • Torque S1: 1,100 Nm
  • Maximum torque: 2,200 Nm
  • Clamping: hydraulic
  • Clamping torque: 4,000 Nm
  • Tilting angle: ± 110°
  • Measuring system: absolute
  • Accuracy of measuring system: ± 5‘‘
SMALL 2AH (QAC)
Dimensions (mm)
Fitting diameter of C-axis D1 390 335
Vector length L1 260 (HSK63) / 280 (HSK100)
Projection length of A-axis L2 410 470
Fitting depth of C-axis L3 714 654
Width of A-axis B1 625 625
Depth of A-axis T1 420 420
Collision circle C-axis D2 670 670
Gross weight kg 745 745

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
  • Measuring system
    with enhanced accuracy for use
    with all standard control systems
  • Leakage monitoring

C-axis 

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

Motor spindles

Model   S1 S6 / 40% S6 / 25% S6 max.  
Max. speed (rpm) Torque (Nm) Power (kW) Torque (Nm) Power (kW) Torque (Nm) Power (kW) Torque (Nm) Power (kW)  
MT100S-S20 20.000 85 20 100 20 115 20 170 20 High speed
MT100S-S12 12.500 100 36 120 40 140 48 180 48 High torque
MT100L-S20 20.000 130 45 160 45 180 45 200 45 High speed
MT100L-S12 12.500 175 54 210 54 235 54 280 54 High torque
MT100L-A15 15.000 100 24 135 32 170 40 170 40 Entry-level
MT100H-S16 16.000 150 40 180 40 200 40 250 40 High speed
MT100H-S12 12.500 200 54 235 54 265 54 315 54 High torque
MT100H-A15 15.000 115 26 175 40 215 48 230 52 Entry-level


Available on request

C-axis (turning axis)

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


A-axis (tilting axis)

  • Torque S1: 2,200 Nm
  • Maximum torque: 4,400 Nm
  • Clamping: hydraulic
  • Clamping torque: 7,400 Nm
  • Tilting angle: ± 110°
  • Measuring system: absolute
  • Accuracy of measuring system: ± 5‘‘
MEDIUM 2AH (QAC)
Dimensions (mm) large fitting small fitting
Fitting diameter of C-axis D1 540 420
Vector length L1 300 (HSK 100)
Projection length of A-axis L2 485 585
Fitting depth of C-axis L3 862 762
Width of A-axis B1 730 730
Depth of A-axis T1 500 500
Collision circle C-axis D2 820 820
Gross weight kg 1,310 1,310

Options

A-axis

  • With one motor
    Torque S1: 1,100 Nm
    Maximum torque: 2,200 Nm
  • Pneumatic clamping
    with safety function
    Clamping torque: 6,936 Nm
  • Measuring system
    with enhanced accuracy for use
    with all standard control systems
  • Leakage monitoring

C-axis

  • Pneumatic clamping
    with safety function
    Clamping torque: 9,900 Nm
  • Measuring system
    with enhanced accuracy for use
    with all standard control systems
  • Horizontal or vertical installation position

Motor spindles

Model   S1 S6 / 40% S6 / 25% S6 max.  
Max. speed (rpm) Torque (Nm) Power (kW) Torque (Nm) Power (kW) Torque (Nm) Power (kW) Torque (Nm) Power (kW)  
MT400-S18 18,000 200 71 230 71 280 71 300 71 High speed
MT400-A10 10,000 400 50 560 70 690 86 800 100 High torque
MT400-A15 15,000 300 48 445 70 535 84 640 100 Entry-level


Available on request

C-axis (turning axis)

  • Torque S1: 6,400 Nm
  • Maximum torque: 12,800 Nm
  • Clamping: hydraulic
  • Clamping torque: 12,500 Nm
  • Tilting angle: ± 360°
  • Measuring system: absolute
  • Accuracy of measuring system: ± 5‘‘


A-axis (tilting axis)

  • Torque S1: 6,000 Nm
  • Maximum torque: 13,800 Nm
  • Clamping: hydraulic
  • Clamping torque: 12,500 Nm
  • Tilting angle: ± 110°
  • Measuring system: absolute
  • Accuracy of measuring system: ± 5‘‘
LARGE 2AH (QAC)
Dimensions (mm)
Fitting diameter of C-axis D1 540
Vector length L1 360
Projection length of A-axis L2 700
Fitting depth of C-axis L3 1,032
Width of A-axis B1 1,015
Depth of A-axis T1 620
Collision circle C-axis D2 1,130
Gross weight kg 2,780

Options

A-axis

  • With one Motor
    Torque S1: 3,000 Nm
    Maximum torque: 6,900 Nm
  • Pneumatic clamping
    with safety function
    Clamping torque: 11,000 Nm
  • Measuring system
    with enhanced accuracy for use
    with all standard control systems
  • Leakage monitoring

C-axis

  • Pneumatic clamping
    with safety function
    Clamping torque: 11,000 Nm
  • Measuring system
    with enhanced accuracy for use
    with all standard control systems
  • Horizontal or vertical installation position

Motor spindles

Model   S1 S6 / 40% S6 / 25% S6 max.  
Max. speed (rpm) Torque (Nm) Power (kW) Torque (Nm) Power (kW) Torque (Nm) Power (kW) Torque (Nm) Power (kW)  
MT500-S10 10,000 470 60 550 60 650 60 820 60 High speed
MT500-S6 6,000 800 67 930 67 1,000 67 1,100 67 High torque


Available on request

 

Model   S1 S6 / 40% S6 / 25% S6 max.  
Max. speed (rpm) Torque (Nm) Power (kW) Torque (Nm) Power (kW) Torque (Nm) Power (kW) Torque (Nm) Power (kW)  
MT600-S8 8,000 750 70 840 70 1,100 70 1,250 70 High speed
MT600-S5 5,000 1,200 75 1,350 75 1,500 75 1,600 75 High torque


Available on request,
not available with Quick Connect Cartridge (QCC)

Quick Axis Change (QAC)
Automatic A-axis change

QAC enables uncompromising roughing and finishing with one single machine.The head kinematics remains unchanged.
Since the projection length of theA-axis (L2) is the same, no space is lost in the machining area.

Quick Axis Change (QAC)
QAC MEDIUM

C-axis with changing interface for replaceable heads

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


Options

  • Pneumatic clamping
    with safety function
    Clamping torque: 9,900 Nm
  • Measuring system with enhanced accuracy
    for use with all standard control systems
QAC LARGE

C-axis with changing interface for replaceable heads

  • Torque S1: 6,400 Nm
  • Maximum torque: 12,800 Nm
  • Clamping: hydraulic
  • Clamping torque: 12,500 Nm
  • Tilting angle: ± 360°
  • Measuring system: absolute
  • Accuracy of measuring system: ± 5‘‘


Options

  • Pneumatic clamping
    with safety function
    Clamping torque: 11,000 Nm
  • Measuring system with enhanced accuracy
    for use with all standard control systems

Fast replacement of rotor shaft, front / rear bearing and power drawbar on-site

Reduces TCO (Total Costs of Ownership)

Reduces machine downtime

No electrician needed