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ER4-SCARA

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ER4-SCARA

ER4-SCARA

Estun Robotics

Not yet assessed

Height
Payload
Verified autonomy
not assessed
Real deployment
not assessed
Status
Price
verified / really deployed unverified / demo-stage
Unverified

The ER4-SCARA designation as used in these facts primarily refers to the Estun ER4-550-SR-U, a 4-axis SCARA industrial robot manufactured by Nanjing Estun Automation (founded 1993, Nanjing, China), with 550 mm reach, 4–12 kg payload (conflicting sources), IP20 protection, and EtherCAT/Modbus TCP connectivity. The extracted facts are highly heterogeneous, drawing from at least four distinct systems/contexts: the Estun ER4-550 SCARA, the Scorbot ER4-PC/ER4u educational arm (Eshed Robotec/Intelitek), research papers on modular SCARA robots (Erle Robotics), and unrelated humanoid/6-axis robot content. As a programmed industrial SCARA, the robot autonomously executes its assigned pick-and-place or assembly tasks without a human performing or driving those tasks, qualifying as Autonomous for its intended industrial task. Several hardware specification conflicts exist between sources regarding payload capacity.

Availability

Shipping

Specification

reach
550 mm (ER4-550-SR/U)
payload
4 kg maximum
maximum_speed
0.6 m/s (end-effector); 7271 mm/s resultant velocity
robot_weight
21 kg

Price

No public price — contact the supplier for a quote.

Good · Bad · Ugly

Evidence-graded claims from the Estun Robotics deep report

Bad
  • Estun is the largest industrial robot manufacturer in China (as of December 2025)

    Morningstar (a commerce/financial source, not an independent market research report) asserts this, but no third-party industry analyst report or regulator data independently confirms China-specific market-share leadership; Tracxn's global rank of 73rd (score 44/100) adds ambiguity.

    from Estun Robotics deep report →
  • Estun offers 76 industrial robot models spanning 3–700 kg payload, including 10 heavy-duty models in the 220–700 kg range

    These figures come exclusively from Estun's own official website [10][5]; no independent third-party source (distributor catalog, trade press, or customer review) has verified the full portfolio count or heavy-duty model specifications.

    from Estun Robotics deep report →
  • The S20-180 Pro achieves ±0.1 mm repeatability with a 20 kg payload and 1777.5 mm reach

    Qviro's product listing [4] reproduces these specifications, but Qviro aggregates vendor-supplied data and is not an independent test lab; no third-party benchmark or customer validation of the ±0.1 mm repeatability figure has been identified.

    from Estun Robotics deep report →
  • Estun's robots are priced 20–30% below leading foreign competitors

    Morningstar [3] cites this pricing advantage, but as a financial data/analysis platform rather than an independent price-comparison study, and Reddit community users [12] confirm Chinese robots are generally cheaper without quantifying the exact discount for Estun specifically.

    from Estun Robotics deep report →
  • Estun's robots meet EN ISO 13849-1 PLd Cat.3 and EN ISO 10218-1 safety standards, with collaborative drag mode and collision detection

    Qviro's listing [4] reproduces these certifications from vendor-supplied data; while ISO certification normally requires third-party audit, no independent certification body confirmation or audit report has been identified in the dossier to substantiate the specific compliance claims.

    from Estun Robotics deep report →
Ugly
  • 200+ Estun robots have been deployed on a single production line

    This deployment milestone is reported solely by Estun's own news source [8][6] with no independent customer confirmation, third-party site visit, or journalist verification; it cannot be distinguished from a marketing case study or a single unverified pilot.

    from Estun Robotics deep report →

About the company

Editorial directory of real robot products from leading global manufacturers. Each entry links to the manufacturer's official page.