# Nachi Robotics SRA133H

Hardware · `SRA133H` · verification: source checked

The Nachi SRA133H is a six-axis articulated industrial robot intended for spot welding, machine tending, material handling, and palletizing. It has a 133 kg wrist payload, a 2654 mm reach, and ±0.1 mm position repeatability. The robot is floor-mounted and uses an AC servo drive system.

## Specification

| Property | Value |
|---|---|
| Category | industrial robot |
| Axes | 6 |
| Payload | 133 kg |
| Reach | 2654 mm |
| Repeatability | 0.1 mm |
| Weight | 1040 kg |
| Operating temp min | 0 °C |
| Operating temp max | 45 °C |

### Joints

| Name | Range min (°) | Range max (°) | Max speed (°/s) |
|---|---|---|---|
| J1 | -180 | 180 | 120 |
| J2 | -80 | 60 | 110 |
| J3 | -146.5 | 150 | 118 |
| J4 | -210 | 210 | 210 |
| J5 | -125 | 125 | 175 |
| J6 | -210 | 210 | 310 |

## Connected

- Manufacturer: [Nachi Robotics](https://machineschema.com/manufacturer/nachi-robotics.md)

## Safety

- Ambient humidity must be 20–85%RH without condensation.
- Vibration must not exceed 0.5G (4.9 m/s²).
- Permitted height is not higher than 1,000 m above sea level; above this height, permitted temperature is affected by height.
- Noise level is 79.6 dB(A) while operating at maximum speed with rated load.

## Study notes

- The document references an FD controller; no matching controller id is in the supplied reference list.
- Applications listed are machine tending, material handling, palletizing, and spot welding.
- Installation is floor-mounted.
- Forearm payload is listed as 20 kg for the SRA133H.
- Wrist allowable static load torque: J4 830 N·m, J5 830 N·m, J6 441 N·m.
- Wrist allowable moment of inertia: J4 85 kg·m², J5 85 kg·m², J6 45 kg·m².
- Position repeatability conforms to JIS B 8432.
- The SRA133H is listed alongside SRA166H and SRA210H models.

## Sources

1. [SRA133H](https://www.nachirobotics.com/product/sra133h/) (accessed 2026-10-25)

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