Mitsubishi Electric RH-6CRH Review: Specs, Price and Applications of the 6 kg SCARA Robot
Updated: 2 days ago
The Mitsubishi Electric RH-6CRH is a 4-axis SCARA robot with a maximum payload of 6 kg, an arm length of 600 / 700 mm and ±0.02 mm (X-Y) repeatability, listed from USD 19,900. This review covers its full specifications, design, programming options, applications and price, so you can decide whether it fits your automation project.
Quick Verdict
The Mitsubishi Electric MELFA RH-6CRH is a 4-axis SCARA robot with a 6 kg maximum payload, arm lengths of 600 or 700 mm and X-Y repeatability of ±0.02 mm. It is a lightweight, compact horizontal arm for high-speed pick-and-place, assembly and packaging, reaching a composite speed of 7,800 mm/s. The arm is rated IP20. It weighs 17 to 18 kg, mounts on the floor and runs on the CR800-CHD controller. It is listed from USD 19,900.
Mitsubishi Electric RH-6CRH at a Glance
Maximum payload: 6 kg
Arm length: 600 / 700 mm
Axes: 4
Repeatability: ±0.02 mm (X-Y)
Speed: Max. composite speed 7,800 mm/s
Weight: 17 to 18 kg
Controller: CR800-CHD
Price: from USD 19,900
Mitsubishi Electric RH-6CRH Technical Specifications
The table below lists the published specifications of the Mitsubishi Electric RH-6CRH.
Specification | Mitsubishi Electric RH-6CRH |
Manufacturer | Mitsubishi Electric |
Model | RH-6CRH |
Robot type | 4-axis SCARA robot |
Maximum payload | 6 kg |
Arm length | 600 / 700 mm |
Axes | 4 |
Repeatability | ±0.02 mm (X-Y) |
Speed | Max. composite speed 7,800 mm/s |
Controller | CR800-CHD |
Interfaces | Ethernet, CC-Link, CC-Link IE, PROFINET, EtherNet/IP, EtherCAT, PROFIBUS, DeviceNet, 32 inputs, 32 outputs |
Starting price | From USD 19,900 |
Detailed Technical Data
4 axes
Max. payload 6 kg (rated 2 kg)
Arm length 600 or 700 mm
Repeatability X-Y ±0.02 mm, Z ±0.01 mm
Max. composite speed 7,800 mm/s
Mass 17 to 18 kg
Mounting floor
Protection IP20
Controller CR800-CHD
Design and Build Quality
The RH-6CRH belongs to the MELFA RH series. Published build data: mass 17 to 18 kg; mounting floor; protection IP20.
Programming and Software
MELFA BASIC and RT ToolBox3
The RH-6CRH runs on the CR800-CHD controller and is programmed in MELFA BASIC using Mitsubishi Electric's RT ToolBox3 software, which also provides simulation.
Industrial Communication
Published interfaces are Ethernet, CC-Link, CC-Link IE, PROFINET, EtherNet/IP, EtherCAT, PROFIBUS, DeviceNet, 32 inputs and 32 outputs.
Mitsubishi Electric RH-6CRH Applications and Use Cases
Typical applications for the RH-6CRH are assembly, electronics handling, machine tending, packaging and inspection.
Assembly
Repeatability of ±0.02 mm (X-Y) supports fitting, inserting and fastening parts in assembly cells.
Electronics handling
The RH-6CRH is used for electronics handling within its 6 kg payload and 600 / 700 mm arm length.
Machine tending
The RH-6CRH loads and unloads machine tools, presses and moulding machines within its 600 / 700 mm arm length.
Mitsubishi Electric RH-6CRH Price and Value
The Mitsubishi Electric RH-6CRH is listed from USD 19,900 on All Things Cobots. The controller, end effectors, safety equipment and integration affect the final price and are quoted separately. Prices are indicative, are not final and may change.
Pros and Cons
Pros
6 kg maximum payload with a 600 / 700 mm arm length
±0.02 mm (X-Y) repeatability
Speed: Max. composite speed 7,800 mm/s
Wide choice of industrial fieldbus interfaces
Cons
4 axes limit tool orientation compared with a 6-axis arm
Needs safety fencing or equivalent safeguarding
The 6 kg maximum payload includes the end effector
End effectors, safety equipment and integration are quoted separately
Who Should Buy the Mitsubishi Electric RH-6CRH?
The Mitsubishi Electric RH-6CRH fits electronics and small-parts manufacturers that need fast point-to-point motion.
See the full Mitsubishi Electric RH-6CRH product listing on All Things Cobots.
Mitsubishi Electric RH-6CRH FAQ
How much does the Mitsubishi Electric RH-6CRH cost?
The Mitsubishi Electric RH-6CRH is listed from USD 19,900 on All Things Cobots. The price is indicative and may change, and it does not include end effectors, safety equipment or integration.
What is the payload and arm length of the Mitsubishi Electric RH-6CRH?
The RH-6CRH has a maximum payload of 6 kg and an arm length of 600 / 700 mm.
How accurate is the Mitsubishi Electric RH-6CRH?
Its published repeatability is ±0.02 mm (X-Y).
How many axes does the Mitsubishi Electric RH-6CRH have?
The RH-6CRH has 4 axes.
How is the Mitsubishi Electric RH-6CRH programmed?
It is programmed in MELFA BASIC using RT ToolBox3, which also provides simulation.
Which controller does the Mitsubishi Electric RH-6CRH use?
It runs on the CR800-CHD controller.
How much does the Mitsubishi Electric RH-6CRH weigh?
Published mass 17 to 18 kg.
How can the Mitsubishi Electric RH-6CRH be mounted?
Published installation options: floor.
What is the Mitsubishi Electric RH-6CRH used for?
Typical applications are assembly, electronics handling, machine tending, packaging and inspection.
Specifications and prices are based on manufacturer and distributor information. Prices are indicative, are not final and may change.
