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Machine Tool

Strong & Compact
MK series

High-performance and easy-to use

MK seriesズーム

MK series

  • Performance improved, Powerful clamping torque
  • Improved mounting, Reduced effective thickness and improved chip flow
  • Wide selection of rotary joints, Multi-purpose hole for automation, High-pressure rotary joints for fixture miniaturization and fast actuation
  • The features of the MK series are explained in an easy-to-understand video.


  • Experience the powerful clamping torque of the MK series on the video.


*CE correspondence

Product Specifications

Model MK200R/L MK250R/L
Right-handed type
Left-handed type
Table diameter (mm) ø 135 ø 155
Centre hole diameter (mm) ø 65H7 ø 70H7
Through hole diameter (mm) ø 70 ø 70
Centre Height (mm) 140 180
Clamping method Pneumatic Pneumatic
Clamping torque (N·m)
(at 0.5MPa)
570 1000
Motor axis reduced inertia
(kg·m2)
0.000095 0.00041
Servo motor (Fanuc spec.) αiF4/5000-B αiF4/5000-B
Total reduction ratio 1/90 1/90
Max. rotation speed (min-1)
(at motor 3000min- 1)
33.3 33.3
Allowable work inertia (kg·m2) 1.00 1.95
Indexing accuracy (sec) 20 20
Repeatability (sec) 4 4
Mass of product (kg) 60 95
Allowable load Horizontal (kg) 200 250
Vertical (kg) 100 125
Allowable cutting torque (N・m) 270 480
Manual tail stock (Option) MR200RN MR250RN
Tail spindle (Option) MSRC140/MSR142A MSR181A
Rotary joint
(Option)
7MPa 4-port
25MPa 4-port
7MPa 5-port (Hyd./Pneu. 4 + Pneu. 1)
25MPa 6-port
25MPa 7-port (Hyd./Pneu. 6 + 1Note))
7MPa 4-port
25MPa 4-port
7MPa 5-port (Hyd./Pneu. 4 + Pneu. 1)
25MPa 6-port
25MPa 7-port (Hyd./Pneu. 6 + 1Note))
Outline drawing Kitagawa own controller spec. 2D PDF
TIF
DXF
DWG
3D Right hand
Left hand
4th axis spec.
(FANUC spec.)
3D Right hand
Left hand
7-port rotary joint
Outline drawing (Option)
Option
outline drawing
Tail stock
Tail spindle

Note) The (+1) port of 7-port rotary joint is a multi-purpose hole for pneumatic port, high-pressure coolant, work seating detection sensor, etc. Please tell our sales staff the purpose in advance.

Model MK350
Right-handed Type MK350M MK350R
Left-handed Type MK350H MK350L
Table Diameter (mm) ø275
Face plate (Option) ø350 screw hole spec., ø350 T-groove spec., ø400 T-groove spec.
Centre hole diameter (mm) ø160H7
Through hole diameter (mm) ø160
Centre height (mm) 225
Clmping method Hydraulic
Clamping torque (N·m) 6000 (Pressure 3.5 MPa)
Kitagawa controler (Quinte) spec.
Total reduction ratio 1/90 1/120
Motor axix reduced inertia (kg·m2) 0.0018 0.00082
Max. rotation speed (min-1) 22.2
(at motor 2000min-1)
16.6
(at motor 2000min-1)
Mass of product (kg) 200 220
4th axis spec.
Total reduction ratio 1/90 1/120
Motor axix reduced inertia (kg·m2) 0.0017 0.0018 0.00081 0.0014
Servo motor
(Fanuc spec.)
αiF 8/3000-B αiF 12/4000-B αiF 8/3000-B αiF 12/4000-B
Max. rotation speed (min-1) 33.3
(at motor 3000min-1)
25.0
(at motor 3000min-1)
Mass of product (kg) 185 200 185 220
Common specifications
Allowable work inertia (kg·m2) 7.66
Indexing accuracy (sec) 20
Repeatability (sec) 4
Allowable load Horizontal (kg) 500
Vertical (kg) 250
Allowable cutting torque (N・m) 1400
Manual tail stock (Option) MR320RN
Tail spindle (Option) Hydraulic TSR181H45
Pneumatic TSR181A45
Rotary joint (Option) 7MPa 6 ports
7MPa 7 ports (Hyd./Pneu. 6+1Note))
7MPa 8 ports
25MPa 11 ports (Hyd./Pneu. 10+1Note))
7MPa 13 ports (Hyd./Pneu. 12+1Note))
7MPa 17 ports (Hyd./Pneu. 16+1Note))
Outline drawing Kitagawa own controler spec. 2D PDF
TIF
DXF
DWG
3D Right hand
Left hand
4th axis ppec.
(FANUC spec.)
Total reduction ratio 1/90 1/120
Servomotor αiF 8/3000-B αiF 12/4000-B αiF 8/3000-B αiF 12/4000-B
2D PDF
TIF
DXF
DWG
3D Right handed
Left handed
Tail spindle

Note) The (+1) port of 7-port rotary joint is a multi-purpose hole for pneumatic port, high-pressure coolant, work seating detection sensor, etc. Please tell our sales staff the purpose in advance.

Machine Tool product lineup

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