SRA100/SRA166/SRA210/SRA166L/SRA120EL

The Nachi SRA series( SRA100/SRA166/SRA210/SRA166L/SRA120EL) offers a versatile range of 6-axis articulated arm robots designed to excel in diverse industrial applications, particularly spot welding.

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The Nachi SRA series(SRA100/SRA210/SRA166L/SRA120EL) offers a versatile range of 6-axis articulated arm robots designed to excel in diverse industrial applications, particularly spot welding.

Additional Benefits:

  • High Precision: Achieve consistent and accurate weld quality with minimal errors.
  • Flexibility: Adapt to various tasks beyond spot welding, including machine tending, material handling, and assembly.
  • Compact Design: Minimize workspace requirements with the slim and space-saving design.
  • Easy Maintenance: Simplified design allows for easier parts replacement and inspection, reducing downtime.

Choose the Right SRA Robot:

The best model for you depends on your specific needs:

  • Payload Requirements: Match the robot’s capacity to the weight of your welding guns and tooling.
  • Workspace Access: Consider the reach needed for your application and whether an extended arm  is beneficial.
  • Production Demands: Select the robot that best suits the complexity and intensity of your tasks.
World Class Speed Robot

  • Robot motion makes minimum cycle times unbeatable. Light weight and high rigidity design makes high acceleration and minimum vibration. Maximum speed on all axes reduces cycle time. Improved productivity by these design.

Easy to use

  • Improved motor drive controls for accurate positioning and repeatability.
  • Slim and compact design allows closer installation in less floor space.
  • Improved maintenance item. It can do easy parts replacement and inspection.

Energy saving

  • Power consumption reduced 15% from existing model by reducing the robot’s weight by 20% and using newest motor drive controls.

Controller

 

Exterior dimensions and operating envelope


SRA100/166/210/166L/120EL

SRA100/166/166L/120EL

SRA210

(*1) The specifications are subject to changes without notice.
(*2) 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 Law. Please go through careful investigation and necessary formalities for export.

Robot specifications for SRA100/SRA166/SRA210/SRA166-L/SRA120-EL

 


Robot model SRA100 SRA166 SRA210 SRA166/L SRA120/EL
Structure Articulated construction
Number of axes 6
Drive system AC servo system
Max.
operating
area
(rad[°])
Arm J1 Swivel ±3.14 [±180]
J2 Back & forth +1.05 to -1.40 [+60 to -80]
J3 Up & down +2.62 to -2.56
[+150 to -146.5]
+2.62 to -2.33
[+150 to -133.4]
+2.62 to -2.23
[+150 to -127.7]
Wrist J4 Rotation 2 ±6.28 [±360]
J5 Bend ±2.36
[±135]
±2.27
[±130]
±2.36
[±135]
J6 Rotation 1 ±6.28 [±360]
Max.
velocity
(rad/s[°/s])
Arm J1 Swivel 2.37
[136]
2.18
[125]
2.01
[115]
J2 Back & forth 2.36
[135]
2.01
[115]
1.83
[105]
J3 Up & down 2.36
[135]
2.11
[121]
1.97
[113]
Wrist J4 Rotation 2 4.19
[240]
3.14
[180]
2.44
[140]
J5 Bend 4.07
[233]
3.02
[173]
2.32
[133]
3.02
[173]
J6 Rotation 1 6.31
[351]
4.54
[260]
3.49
[200]
4.54
[260]
payload
(kg)
Wrist 100 166 210 166 120
Forearm *1 45 (maximum 90)
Allowable
static load
torque (N·m)
J4 Rotation 2 580 951 1,337 951 687
J5 Bend 580 951 1,337 951 687
J6 Rotation 1 290 490 720 490 353
Max. allowable
moment of
inertia *2
(kg·m2)
J4 Rotation 2 60 88.9 141.1 88.9 60
J5 Bend 60 88.9 141.1 88.9 60
J6 Rotation 1 30 45 79 45 30
Max. reach (mm) 2,654 2,674 2,951 3,099
Position repeatability *3(mm) ±0.1 ±0.15
Installation Floor mounted
Ambient conditions *4

Temperature : 0 to 45°C
Humidity : 20 to 85% RH (without condensation)
Vibration at the installation surface : Not more than 0.5G (4.9m/s2)

Robot mass (kg) 960 990 980 985

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 and installation position.
(*2) Note that the allowable moment of inertia of wrist varies with the wrist load conditions.
(*3) JIS B 8432 compliant.
(*4) Permitted height is not higher than 1,000m above sea level. If used in higher place, permitted temperature is affected by height.

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