The Nachi SRA100HS and SRA100HB robots redefine spot welding efficiency with their innovative built-in cable design.
- Reduced Interference: Internal cable routing eliminates the risk of interference with peripheral equipment, minimizing downtime and ensuring smooth operation.
- Enhanced Safety: Protected cables within the robot’s arm improve safety and reduce the risk of cable damage during operation.
- Simplified Programming: The integrated cables make offline programming easier and more efficient.
| Cable built into the hollow arm
Welding cables and hoses packed tightly inside arms with hollow construction.
Compact body
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Exterior dimensions and operating envelope
SRA100HS-01
SRA100HB-01
(*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 Act. Please go through careful investigation and necessary formalities for export.
SRA100HS/SRA100HB Robot specifications
| Robot model | SRA100HS-01 | SRA100HB-01 | |
|---|---|---|---|
| Structure | Articulated | ||
| Number of axes | 6 | ||
| Drive system | AC servo system | ||
| Max. operating envelope |
J1 | ±3.14rad (±180°) | |
| J2 | -2.09  +1.05rad(-120° +60°) |
-2.09 +1.05rad (-120° +60°) |
|
| J3 | -2.18 +1.57rad (-125° +60°) |
-2.64 +1.57rad (-151° +90°) |
|
| J4 | ±3.66rad (±210°) | ||
| J5 | ±2.18rad (±125°) | ||
| J6 | ±3.66rad (±210°) | ||
| Max. velocity | J1 | 2.37rad/s (136°/s) | |
| J2 | 2.00rad/s (115°/s) | ||
| J3 | 2.79rad/s (160°/s) | ||
| J4 | 3.66rad/s (210°/s) | 3.93rad/s (225°/s) | |
| J5 | 3.05rad/s (175°/s) | ||
| J6 | 5.41rad/s (310°/s) | 5.50rad/s (315°/s) | |
| Payload | Wrist | 100kg | |
| Forearm *1 | 20kg | ||
| Allowable static load torque for wrist |
J4 | 830N·m | 650N·m |
| J5 | 830N·m | 650N·m | |
| J6 | 441N·m | 315N·m | |
| Allowable moment of inertia for wrist *2 |
J4 | 85kg·m2 | |
| J5 | 85kg·m2 | ||
| J6 | 45kg·m2 | ||
| Position repeatability *3 | ±0.1mm | ||
| Installation | Floor | ||
| Ambient conditions |
Ambient temperature : 0 |
||
| Noise level *5 | 79.6dB | ||
| Robot mass | 690kg | 750kg | |
1[rad]=180/p[°] 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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