ALL FOR SPEED

SRA166/210-01A
100

SRA166-01A
200

SRA210-01A

300

400

500

600700Payload (kg)World Class Speed Robot●

Robot motion makes minimum cycle times
unbeatable. Light weight and highly rigid design
results in high acceleration and minimum
vibration. Maximum speed on all axes reduces
move time. All this provides dramatically improvedproductivity.

Superior Spot Welding Capability●Industry leading advanced servo gun
software features and technologies.

SRA robot ease of use improves the bottom line●●Improved drives and motors for accurate
positioning and better repeatability.
Compact design allows closer installationin less floor space.

Improved energy efficiency●Power consumption reduced 15% from existingmodels by reducing the robot’s weight by 20%
and using cutting edge motor drive controls.

SRA166/210-01A◆ Robot specifications◆ Exterior dimensions and operating envelope
SRA166/210-01ASpecifications

J3 Upward/downward＋2.62〜−2.56 rad (＋150°〜−146.5°)

J5 Bending±2.09 rad (±120°)

J6 Rotation1±3.58 rad (±205°)

J3 Upward/downward

2.11 rad/s (121°/s)

1.97 rad/s (113°/s)

J4 Rotation2

3.14 rad/s (180°/s)

2.44 rad/s (140°/s)

J5 Bending

3.02 rad/s (173°/s)

2.32 rad/s (133°/s)

J6 Rotation1

4.54 rad/s (260°/s)

3.49 rad/s (200°/s)

166 kg210 kg

Wrist

225

305

1652

1.83 rad/s (105°/s)

1160
587

15 kg (maximum 60kg)
951 N・m

1,337 N・m

951 N・m

1,337 N・m

J6 Rotation1

490 N・m

720 N・mJ4 Rotation2

88.9 kg・m2

141.1 kg・m2

Max. allowable
J5 Bending
moment of inertia*2
J6 Rotation1

88.9 kg・m2

141.1 kg・m2

45.0 kg・m2

79.0 kg・m2

Position repeatability*3±0.06 mmAmbient temperature

0〜45 ℃

Installation

2674

2654

1847

1830
915

40

1,060 kg

Arm interference
radius1225

1983

1963

1,090 kg

1[rad] = 180/π[°], 1[N・m] = 1/9.8[kgf・m]*1：Load specification of number 1 arm varies according to wrist load conditions andinstallation position.
*2：Note that the allowable moment of inertia of wrist varies with the wrist load conditions.
*3：JIS B 8432 compliant.

90

8-φ22

Floor mounted

Robot mass

AA

420

90
90

J4 Rotation2J5 Bending

420

Forearm*1※90

Allowable staticload torque2.01 rad/s (115°/s)1180369640

PayloadJ2 Forward/backward

389
245

255 ±0.03

Wrist

2.01 rad/s (115°/s)

R521
Max interference radius

POINT A700
510 ±0.03

Max. velocity

Arm

2.18 rad/s (125°/s)

3027

J1 Swivel

LOCUS(POINT A)

3007

Wrist

±3.67 rad (±210°)

3377

J4 Rotation2

1642＋1.05〜−1.40 rad (＋60°〜−80°)

90±3.14 rad (±180°)

J2 Forward/backward

3338

Max. operating area

J1 Swivel

91.4

160

AC servo system

200

6Drive system

1190

Number of axesArm* Data shown infor SRA210-01A.
* The diagram below shows specifications for cable support (A-Trac4) installed on thearm of a spot welding robot.

SRA210-01A

Articulated construction

φ300

SRA166-01A

Structure

340 (Interference radius for J6 axis) 301.5

Robot model

φ200

Item

220±0.03

2-φ30 H8Section A-A

SRA166/210-01A*1：This screw can be used for 210kg or less.（P.C.D.160）*2：This screw can be used for 166kg or less.（P.C.D.125）*3：This screw can be used for 100kg or less.（P.C.D.92）

φ10H7 Depth 15 *1(P.C.D.160)

225

389

20369

C0.

590°

10010067.5 67.5°

R1302451442449080

R2

301.5

10-M10Screw Depth 18 *2(P.C.D.125)

125.5
91.4

252.7

130

φ60H76-M10
Screw Depth 18 *3(P.C.D.92)

Indicates the operating area of the A-Trac4 spring. Prevent intrusion of end effector into this area.
Interference of the A-Trac4 spring may damage the end effector. Also note that the cable inside
the A-Trac4 spring may be damaged if something catches on or interferes with the A-Trac4 spring.
Indicates area where tools can be mounted.

10

2-φ10H7 Depth 15 *2(P.C.D.125)
2-φ9H7 Depth 15 *3(P.C.D.92)

6-M10
Screw Depth 15 *1(P.C.D.160)

End eﬀector installation respect

www.nachi.com
Head Office
Robot Division

Shiodome Sumitomo Bldg. 17F, 1-9-2 Higashi-Shinbashi, Minato-ku, Tokyo 105-0021
1-1-1 Fujikoshi-Honmachi, Toyama 930-8511, JAPANNACHI ROBOTIC SYSTEMS INC.
NACHI EUROPE GmbHNACHI TECHNOLOGY(THAILAND) CO.,LTD
PT.NACHI INDONESIANACHI-FUJIKOSHI (CHINA) CO., LTD.

Michigan, U.S.A.
GERMANYTHAILANDINDONESIA
CHINA

Tel: +1-248-305-6545
Tel: +49-(0)2151-65046-0
Tel: +66-2-258-4101
Tel: +62-021-527-2841
Tel: +86-(0)21-6915-2200

Tel: +81-(0)3-5568-5111
Tel: +81-(0)76-456-2223

Fax: +81-(0)3-5568-5206
Fax: +81-(0)76-493-5252

Fax: +1-248-305-6542
Fax: +49-(0)2151-65046-90
Fax: +66-2-258-4103
Fax: +62-021-527-3029
Fax: +86-(0)21-6915-5427

http://www.nachirobotics.com
http://www.nachi.de/
http://www.nachi.co.th/
http://www.nachi.co.id/
https://www.nachi.com.cn/●The specifications are subject to changes without notice.
●In case that an end user uses this product for military purpose or production of weapon, this product may be liable for the subject of export restriction
stipulated in the Foreign Exchange and Foreign Trade Act. Please go through careful investigation and necessary formalities for export.

CATALOG NO.

R7202E-2

2024.04.＊-ABE-ABE