ROTUS0 pages

SERIES
ULTRA-PRECISION HIGH-TORQUE AIR GRINDER

SILENCER

ROTUS STANDARD SET
Code
No.

1163

Model

Code
No.

ROTUS-IR

30,000

1060

K-209

Model

ROTUS

min-1
By attaching the silencer at the end of exhaust air
tubing, the operation noise is extremely reduced.

The ROTUS System is a hand-held
grinder with an energy saving air motor.
Since it is an air driven system, there is
virtually no heat generation resulting in
excellent durability. Select from a
variety of attachments depending on
the application.

Interchangeability with a variety of attachments
ideal for any applications.

FOOT CONTROL
Code
No.

1064

Model

AFC-45

* The new ring type IR-310 is a standard attachment for ROTUS standard set R301-IR.
Set contents
Designed to depress from any direction.
Fine adjustment of speed control is possible.

• Air Grinder (IM-301+IR-310) : 1 pc. • Chuck Collet ø3.0, ø2.35 mm
• Air Line Kit (AL-H1207F) : 1 pc. • Foot Control (AFC-45) : 1 pc.
• Accessories : Piping Hose · 2 m (K-275) : 1 pc., Lubricating Oil (K-211) : 1 pc.
• Pin Spanner (K-233) : 2 pc. • Spanner (7x5.1) : 1 pc. • L Shaped Spanner : 1 pc.

A Special Rotary Vane
Air Motor is Incorporated
The air motor is utilizes a special vane
design which keeps constant speed even
under load providing stable grinding and
polishing operation.

Chuck Collet
Product
d

17.2

Inside Diameter : ød
ø2.35

CHC Group

Fit to

ø1.6

IC-300, KC-300

ø3.0
ø3.175
ø2.35
ø3.0

d

39

ø3.175

HG-200

ø6.0
ø6.35
ø1.0, ø1.5, ø2.0, ø2.5, ø4.76
CHG Group

CHG-[][]

ø1.6, ø4.0, ø5.0

CHH-2.35
CHH-3.0
CHH-3.175

ø2.35
d

33.9

CHH Group

ø3.0
ø3.175

IH-300, IR-310

ø1.0, ø1.5, ø2.0, ø2.5
ø1.6

CHH-[][]

34.4

BMH-300

ø2.35
ø3.0
CHM Group

90416
90492
90430
90493
91192
91130
91193
91160
91196

ø3.175

Twist Free Hose
To prevent twisting of the hose, 360˚ Twist- Free
Joint connects the motor and the hose.

—
90692
90630
90693

17 Types of Attachments for
All Types of Applications

—

Capable of infinite applications with 14 different
handpieces and 3 types of intermediate
attachments.

90910
90916
90920
90992
90930
90993

K-252

ø1.6
ø2.0

Code No.

CHM-1.0
CHM-1.6
CHM-2.0
CHM-2.35
CHM-3.0
CHM-3.175

ø1.0
d

Model
CHC-1.6
CHC-2.35
CHC-3.0
CHC-3.175
CHG-2.35
CHG-3.0
CHG-3.175
CHG-6.0
CHG-6.35

90316

ROTUS Series Features

12.7

6.7

ø1.6

ø1.6
d

To achieve high torque, ROTUS air motor is assembled with micron precision between
the vanes and the internal surface of the cylinder using NAKANISHI's proprietary techniques.

11.0

MFC-300M

NKM6-2.35
NKM6-3.0
NKM6-3.175

ø2.35

IG-400

ø3.0
NKM6 Group (NK Micron Chuck)

K-253

ø3.175

90016

ROTUS IM-301 Performance Curve
Air Pressure 0.5MPa

Speed-Output Characteristics (IM-301)

This high performance air motor with minimal power loss from load fluctuation has
excellent performance in its grinding stability. Moreover, the motor with minimal air
consumption runs quietly and the energy-saving mechanism makes it possible to operate
with a 0.75KW (1 hp) air compressor.

92030
92092
92093

Description

Product

Fit to

Model

Speed-Output Characteristics (IM-301+RG-01)
10
9
8
7

ON/OFF, FWD./REV. Rotation Direction and Motor Speed can be controlled only by the
Ring Switch.

ø9.8

9.0

Chuck Nut

IG-400 (for NKM6 Group)

CHN-6

2104

*Foot controller is available : used as an ON/OFF switch as well as a variable speed control.

PR-K210E Ver.4

'13.12.02.A

Air cooling system generates no heat for continuous operation.

*Please mention "Code Number" upon your order.

6

By attaching the silencer to the end of the exhaust air tubing, the motor is operated
extremely quiet.
Twist-Free Joint mechanism is installed in IM-301 to solve the problem of hose twisting.

60

5

50

4

40

3

30

2

20

1

17 types of attachments for all types of applications.

Code No.

Speed-Torque Characteristics (IM-301+RG-01)

11

Lightweight and compact design. 130 g (w/o hose)

Chuck Nut

Speed-Torque Characteristics (IM-301)

12

Output Power (W)

MFC-300S

ø1.6

Torque (cN·m)

ø1.6

10

0

5

10

15

20

25

30

Speed ( x 103 min-1)

Specifications
Speed
: Max. 30,000min-1 (0.4MPa)
Proper Air Pressure : 0.3~0.45MPa
Air Consumption : 75NL/ min
Max. Torque
: 6.6 cN•m (0.4MPa)
Output Power
: 46W