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Nachi Robotics MZ50LF

The Nachi MZ50LF is a six-axis articulated industrial robot with a 50 kg wrist payload and 2502 mm maximum reach. It uses AC servo motors and routes wiring through a hollow wrist. It is rated IP67 equivalent and intended for floor or inverted installation.

Source checked31/31 values · 2026-10-25Nachi RoboticsIndustrial robot
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50 kg payloadR 2,5026-AXIS ARMREPEATABILITY ±0.06 mm01,0002,000mmMZ50LF · SIDE ELEVATIONReach envelope to scale · pose schematic
Payload
50kg
Reach
2,502mm
Repeatability
±0.06mm
IP rating
IP67
Axes
6

Specification

1 source
Categoryindustrial robot
Weight611 kg
Operating temp min0 °C
Operating temp max45 °C

Joints

NameRange min (°)Range max (°)Max speed (°/s)
J1-180180
J2-13580
J3-143.5260180
J4-190190260
J5-145145260
J6-360360370

Motion range per axis

arc = published range
J1
-180° / 180°
J2
-135° / 80°
J3
403.5°180°/s
J4
380°260°/s
J5
-145° / 145°260°/s
J6
720°370°/s

Quick answers

What is the payload of the Nachi Robotics MZ50LF?
50 kg, per MZ50LF (nachirobotics.com).
What is the reach of the Nachi Robotics MZ50LF?
2502 mm, per MZ50LF (nachirobotics.com).
What is the repeatability of the Nachi Robotics MZ50LF?
±0.06 mm, per MZ50LF (nachirobotics.com).
How many axes does the Nachi Robotics MZ50LF have?
6, per MZ50LF (nachirobotics.com).
How much does the Nachi Robotics MZ50LF weigh?
611 kg, per MZ50LF (nachirobotics.com).
What is the IP rating of the Nachi Robotics MZ50LF?
IP67, per MZ50LF (nachirobotics.com).

Study notes

  • The MZ50LF corresponds to model column M250LF-01 in the general specifications table.
  • Structure is an articulated robot driven by AC servo motors.
  • Position repeatability is listed as ±0.06 mm and conforms to JIS B 8432.
  • Air tubes are φ10x2 and application cables are 24 wires.
  • Maximum static load torque is 216 N·m for J4 and J5 and 147 N·m for J6.
  • Maximum velocity depends on the operation program and wrist load condition.
  • Clean rating is equivalent to ISO Class 4 based on an internal assessment in accordance with ISO 14644-1.
  • Noise level is 80 dB, A-weighted equivalent sound level measured under JIS Z 8737-1 (ISO 11201) with maximum payload and maximum velocity.
  • Applications listed are machine tending, material handling, palletizing, and dispensing.

Safety

  • Ambient operating temperature is 0 to 45°C, ambient humidity is 20 to 85%RH with no dew or frost, and vibration must not exceed 0.5G (4.9 m/s²).
  • Use at 1000 m or lower sea level; ambient temperature has limitations when the allowable altitude is exceeded.
  • Motion range is limited for wall and tilted mounting; for wall mount, axis 1 motion range is ±30°.
  • Do not use fluids that cause deterioration of sealants, including gasoline-based cutting fluids, chlorine, alkali, acids, and organic solvents.
  • An explosion-proof version is not available.
  • The wire-harness portion is IP65 equivalent and the robot controller is IP20 equivalent.
  • For cleanroom use, install the robot in a down-flow type cleanroom. The robot packaging is not dust proof; clean the robot by wiping it or removing dust and fine particles before bringing it into the cleanroom.
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