MK series｜Machine Tool Products

Machine Tool

Strong & Compact
MK series

High-performance and easy-to use

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

Download Catalogue pages (PDF)

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
Allowable load		Vertical (kg)		100	125
Manual tailstock (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 7MPa 7-port (Hyd./Pneu. 6 + 1^Note))	7MPa 4-port 25MPa 4-port 7MPa 5-port (Hyd./Pneu. 4 + Pneu. 1) 25MPa 6-port 7MPa 7-port (Hyd./Pneu. 6 + 1^Note))
Outline drawing	Kitagawa own controller spec.	2D	PDF
			TIF
			DXF
			DWG
		3D	Right hand
			Right hand
			Left hand
			Left hand
	4th axis spec. (FANUC spec.)	3D	Right hand
			Right hand
			Left hand
			Left hand
7-port rotary joint Outline drawing (Option)
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		185
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 8/4000-B	αiF 12/4000-B	αiF 8/4000-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
Allowable load		Vertical (kg)		250
Manual tailstock (Option)				MR320RN
Tail spindle (Option)				Hydraulic TSR181H45 Pneumatic TSR181A45
Rotary joint (Option)				7MPa 6 ports 7MPa 7 ports (Hyd./Pneu. 6+1^Note)) 7MPa 8 ports 25MPa 11 ports (Hyd./Pneu. 10+1^Note)) 7MPa 13 ports (Hyd./Pneu. 12+1^Note)) 7MPa 17 ports (Hyd./Pneu. 16+1^Note))
Outline drawing	Kitagawa own controler spec.	2D	PDF
			TIF
			DXF
			DWG
		3D	Right hand
			Right hand
			Left hand
			Left hand
	4th axis ppec. (FANUC spec.)	Total reduction ratio		1/90		1/120
		Servomotor		αiF 8/4000-B	αiF 12/4000-B	αiF 8/4000-B	αiF 12/4000-B
		2D	PDF
			TIF
			DXF
			DWG
		3D	Right handed
			Right handed
			Left handed
			Left handed
Tail spindle

Note) The (+1) port of 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.