The Nachi SRA100B/100J SRA series robots redefine compact spot welding with exceptional speed and performance. The SRA100B/100J are specifically tailored for spot welding tasks, ensuring optimal performance and efficiency.
Compact
High performance
Controller |
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Exterior dimensions and working envelope
SRA100B-01
SRA100J-01
Details of wrist attachment (same for SRA100B and SRA100J)
(*1)Â The specifications are subject to changes without notice.
(*2)Â 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.
SRA100B/100J Robot specifications
| Robot model | SRA100B-01 | SRA100J-01 | |||
|---|---|---|---|---|---|
| Structure | Articulated construction | ||||
| No. of axes | 6 | ||||
| Drive system | AC servo system | ||||
| Max. working envelope |
Arm | J1 | Swivel | ±3.14rad (±180°) | |
| J2 | Horizontal | -2.09 to +1.05rad (-120° to +60°) | |||
| J3 | Vertical | -2.62 to +3.14rad (-150° to +180°) |
-2.18 to +1.57rad (-125° to +90°) |
||
| Wrist | J4 | Rotation 2 | ±6.28rad (±360°) | ||
| J5 | Bend | ±2.36rad (±135°) | |||
| J6 | Rotation 1 | ±6.28rad (±360°) | |||
| Max. speed | Arm | J1 | Swivel | 2.37rad/s (136°/s) | |
| J2 | Horizontal | 1.92rad/s (110°/s) | 2.01rad/s (115°/s) | ||
| J3 | Vertical | 2.27rad/s (130°/s) | 2.79rad/s (160°/s) | ||
| Wrist | J4 | Rotation 2 | 4.19rad/s (240°/s) | ||
| J5 | Bend | 4.07rad/s (233°/s) | |||
| J6 | Rotation 1 | 6.13rad/s (351°/s) | |||
| Payload | Wrist | 100kg | |||
| Forearm *1 | 25kg (maximum 45kg) | ||||
| Allowable static load torque |
J4 | Rotation 2 | 580N·m | ||
| J5 | Bend | 580N·m | |||
| J6 | Rotation 1 | 290N·m | |||
| Max. allowable moment ofinertia *2 |
J4 | Rotation 2 | 45kg·m2 | ||
| J5 | Bend | 45kg·m2 | |||
| J6 | Rotation 1 | 22.7kg·m2 | |||
| Max. reach | 2,071mm | 1,634mm | |||
| Position repeatability *3 | ±0.1mm | ||||
| Installation | Floor mount | ||||
| Ambient conditions *4 |
Temperature : 0 to 45°C |
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| Weight | 690kg | 670kg | |||
1[rad]=180/π[°] 1[N·m]=1/9.8[kgf·m]
(*1)Â Load speci cation of number 1 arm varies according to wrist load conditions and installation position.
(*2)Â Note that the allowable moment of inertia of wrist varies with the wrist load conditions.
(*3)Â JIS B 8432 compliant.
(*4)Â 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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