The SRA133H, SRA166H, and SRA210H robots from Nachi represent the pinnacle of high-performance spot welding solutions. Combining exceptional speed, robust design, and innovative features, they excel in demanding industrial applications.
- World-Class Performance: Experience the fastest cycle times in their class, maximizing production output and minimizing downtime.
- Advanced Motion Control: The Nachi FD controller ensures precise movements and optimal performance, further enhancing efficiency.
- Internal Cable Routing (IN-Trac System): Eliminate cable interference and damage with the revolutionary internal cable management system, leading to smoother operation and increased safety.
Improved reliability for welding cables and hoses
Shortened the startup time
Expanded the operating range of the wrist
Improved accessibility
Speed
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Exterior dimensions and working envelope
(*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 SRA133H, SRA166H and SRA210H
| Robot model | SRA133H-01 | SRA166H-01 | SRA210H-01 | |
|---|---|---|---|---|
| Structure | Articulated | |||
| Number of axes | 6 | |||
| Drive system | AC servo system | |||
| Max. operating envelope |
J1 | ±3.14rad (±180°) | ||
| J2 | -1.40  +1.05rad (-80° +60°) |
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| J3 | -2.56 +2.62rad (-146.5° +150°) |
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| J4 | ±3.66rad (±210°) | |||
| J5 | ±2.18rad (±125°) | |||
| J6 | ±3.66rad (±210°) | |||
| Max. velocity | J1 | 2.09rad/s (120°/s) | 2.01rad/s (115°/s) | |
| J2 | 1.92rad/s (110°/s) | 1.83rad/s (105°/s) | ||
| J3 | 2.06rad/s (118°/s) | 2.00rad/s (115°/s) | 1.97rad/s (113°/s) | |
| J4 | 3.66rad/s (210°/s) | 3.05rad/s (175°/s) | 2.27rad/s (130°/s) | |
| J5 | 3.05rad/s (175°/s) | 2.98rad/s (171°/s) | 2.27rad/s (130°/s) | |
| J6 | 5.41rad/s (310°/s) | 4.88rad/s (280°/s) | 3.58rad/s (205°/s) | |
| Payload | Wrist | 133kg | 166kg | 210kg |
| Forearm *1 | 20kg | |||
| Allowable static load torque for wrist |
J4 | 830N·m | 960N·m | 1337N·m |
| J5 | 830N·m | 960N·m | 1337N·m | |
| J6 | 441N·m | 520N·m | 720N·m | |
| Allowable moment of inertia for wrist *2 |
J4 | 85kg·m2 | 100kg·m2 | 200kg·m2 |
| J5 | 85kg·m2 | 100kg·m2 | 200kg·m2 | |
| J6 | 45kg·m2 | 50kg·m2 | 155kg·m2 | |
| Position repeatability *3 | ±0.1mm | ±0.15mm | ||
| Installation | Floor | |||
| Ambient conditions |
Ambient temperature : 0 |
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| Noise level *5 | 79.6dB | |||
| Robot mass | 1040kg | 1100kg | ||
1[rad]=180/π[°], 1[N·m]=1/9.8[kgf·m]
(*1) This value changes by placement and load conditions of a wrist.
(*2) The Allowable moment of inertia of a wrist changes with load conditions of a wrist.
(*3) This value conforms to “JIS B 8432”.
(*4) Permitted height is not higher than 1,000m above sea level. If used in higher place, permitted temperature is affected by height.
(*5) A-weighted equivalent sound level measured according to JIS Z 8737-1 (ISO 11201). (while operating at maximum speed with rated load)
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