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CO-ARC 350 Collaborative Robotic Arm (Manipulator)

Collaborative Workstation · Load- · Reach-

CO-ARC 350
SPECIFICATIONS · Specifications

CO-ARC 350 Specifications

CO-ARC 350 collaborative workstation, load-, reach-, 6-axis.

Maximum load-
Maximum reach-
Number of axles6 axes
Protection ratingIP54
Installation typeGround
Drive methodDriven by an AC servo motor
Supports authenticationCE
BrandEstun

Model introduction

CO-ARC 350 Collaborative Workstation · Load- · Reach - · 6-axis · Protection rating IP54. Estun's full-stack self-developed core components ensure stable and reliable performance.

Collaborative Robot Workstation · Series technical features

Plug and Play · Turnkey solutions

Ready to use right out of the box

Workstation-based integrated delivery allows rapid production upon arrival.

Collaborative security

Based on the collaborative robot itself, no safety fences are required.

Flexible production transfer

Graphical programming enables quick model switching.

Optional mobile options

Multiple types of lifting/fixed types, flexibly adaptable to production lines.

Typical application scenarios

Common application processes for this model (click to view process details):

Collaborative Robot Workstation · Other models in the same series

Compare load and reach to choose the model that best suits your process.

CO-ARC 350 model positioning and working condition adaptation

CO-ARC 350 It belongs to the Estun collaborative robot model, with load parameters subject to the official manual. Estun's technical foundation is that of the top domestic brand, with self-developed core motion control technology, and after acquiring Germany's Cloos, its welding process capabilities have leapt forward; The control platform is the Estun Controller (self-developed movement control platform), and the program ecosystem consists of graphical programming + instruction scripting.

From the perspective of operating condition adaptation, typical applications for positioning this load level are:Handling, assembly, and general automationCommon application processes for this model include palletizing. Specific load parameters are subject to the nameplate and official manual.

Engineering implications of the CO-ARC 350 specification parameters
ParametersEngineering interpretation and usage recommendations
Number of axes: 6Six-axis all-posture capability, the preferred choice for complex trajectory and inclined surface operations
Protection rating: IP54Suitable for standard workshop environments; Dusty and moisture-prone workstations require additional protective kits or positive pressure protection
Controller: Estun Controller (self-developed platform for motion control)Decide on the process ecosystem, spare parts channels, and second-hand residual value; Currently, spare parts channels are smooth, and repair and upgrade paths are mature

Control systems and common failure modes

The CO-ARC 350 comes with the Estun controller (self-developed motion control platform) controller, with a programming language and development environment of graphical programming + instruction scripts. Maintenance of this generation of control platforms focuses on three basic components: power, storage, and cooling—most "sudden downtime" can be detected in advance when preventive maintenance is in place.

Estun platform high-frequency faults and warning signals
Failure modeTypical performanceDisposal recommendations
Driver overcurrent/overload alarmDriver overcurrent/overload alarmIncluded as a mandatory inspection item for annual maintenance, with spare parts stocked in advance
Encoder feedback anomalies and cable interferenceEncoder feedback anomalies and cable interferenceInitial interpretation of alarm codes by reference with manuals, remote diagnosis allows for early positioning
The teach pendant system is lagging or crashingTeach Pendant System Freezes or Crashes (Regular Restarts and Image Recovery)Daily inspection coverage, with abnormal trends (abnormal noises/temperature rise/errors) recorded
IO module communication failureIO module communication failureQuarterly dust removal maintenance and cabinet temperature monitoring
CO-ARC 350 Maintenance Key Points Checklist (Estun Platform)
Maintenance projectsCycle recommendationsKey points
Regular backup of parameters and programs (dual USB drive + cloud storage)PeriodicallyRegular backup of parameters and programs (dual USB drive + cloud storage)
Batteries should be replaced periodicallyBy cycleBatteries should be replaced periodically
Reducer lubrication is managed by operating hoursBy operating hoursReducer lubrication is managed by operating hours
Cable and drag chain inspectionevery six monthsInsulation, shielding, and bending radius inspection of power and encoder lines, as well as wear of cables inside the drag chain, are the main causes of intermittent faults
Zero point and accuracy retestEvery yearRepeatability measured by dial gauges or laser trackers, drift trend digitization—accuracy degradation can be seen six months in advance
Control cabinet dust removal and fansEvery quarterFilter cleaning, fan speed and noise checks, cabinet temperature recording; Dust environments shorten the cycle

Henghuan's service capabilities for the CO-ARC 350

This site is a third-party robotics technology service provider. The eight major business supports related to the CO-ARC 350 are as follows (sorted by service frequency of each model):

  • Maintenance and repairFor the CO-ARC 350's on-site diagnostics, board-level maintenance, and annual maintenance contract—regular parameter and program backups (dual USB drives + cloud storage), we follow SOPs and respond to Sichuan-Chongqing on the same day.
  • Used & in-stock robot sales: Low second-hand prices and increasing circulation, suitable for budget-sensitive handling and palletizing tasks; Perform comprehensive inspections before procurement; Existing CO-ARC 350 or equivalent models come with a full-function test report and a 12-month warranty.
  • Sales of new industrial robots: When adding new production lines or replacing batches, we conduct cross-brand selection comparisons based on process requirements (including models of the same class as Estun), and provide configuration and pricing plans.
  • Applied technology services: CO-ARC 350 process programming, trajectory optimization, tap time potential, and pattern change formula management, with targeted commissioning according to palletizing conditions.
  • Research and development of automation equipment: Custom fixture ends, peripheral tooling, and safety fences for the CO-ARC 350, with interfaces designed according to Estun flange and IO standards.
  • Robot rental: For short-term capacity or process validation periods, CO-ARC 350 models of the same class in inventory can be rented, including transportation, installation, and commissioning, with flexible rental periods and repurchasing.

Common issues with this device

Is it easy to find spare parts for the CO-ARC 350?

Estun: Spare parts channels for this generation are smooth; we have in-stock or short-cycle channels for standard parts such as drivers, power modules, batteries, and teach pendant components; Parameters and programs are regularly backed up (USB drive + cloud dual copies). It is recommended to configure consumables according to the annual maintenance contract.

With a nominal load of X kg, how much weight can it actually handle?

The rated load is the static load limit of the flange surface. In actual selection, three factors must be considered: the self-weight of the end fixture (vacuum suction cup groups or grippers often account for 2–5kg), the inertia generated by the workpiece offload (checked according to the inertia ratio when the center of gravity deviates from the flange center), and the dynamic load during high-speed movement. The conventional engineering practice is to keep the "end + workpiece" within 70%–80% of the rated value to ensure cycle time and service life.

If the equipment's accuracy deteriorates after several years of use, how can it be restored?

According to the inspection order: first check whether the zero point is drifting (common after collision or battery depletion), then perform zero calibration; Check the reducer's return error (actual measurement of forward and reverse positioning deviation; if exceeded, disassemble or replace); Then check the installation base fastening and foundation settlement; Finally, trajectory compensation parameter restructuring. Most accuracy issues can be mostly restored after calibration and maintenance, so there is no need to rush into major repairs—we first release the inspection data before deciding on the plan.

Is the used CO-ARC 350 worth buying?

Second-hand prices are low and circulation is increasing, suitable for budget-sensitive handling and palletizing tasks; Perform comprehensive inspections before purchasing. Three essential items for second-hand procurement: comprehensive inspection reports (axial accuracy, driver status, insulation and battery), maintenance history and operating hours, controller generation, and software license integrity. Every used machine we sell comes with inspection records and a 12-month warranty, and we can also accept third-party inspections designated by customers.

Need technical support or procurement for this model?

Whether it's model selection comparison, installation and commissioning, or maintenance of in-use equipment, you can contact Henghuan. Tell us about your processes, loads, and equipment status, and we will provide third-party technical support and solution recommendations.

Contact Henghuan Back to the full series
Service areas (by response priority): based in Nanchong, with same-day coverage of Shunqing, Gaoping and Jialing districts plus Langzhong, Yilong, Xichong, Nanbu, Yingshan and Peng'an; province-wide service across Sichuan (Chengdu, Mianyang, Deyang, Yibin, Luzhou, Zigong); on-site within 48 hours in Chongqing; scheduled visits to Kunming, Guiyang and nearby prefecture-level cities such as Qujing, Yuxi and Zunyi; remote diagnostics and mail-in repair for customers outside these regions. View full service areas →