EVST ROBOTICS FlexArm S5 vs Nachi Robotic Systems - Collaborative Robot
Side-by-side comparison of EVST ROBOTICS FlexArm S5 (EVST (formerly EVS Robotics)) and Nachi Robotic Systems - Collaborative Robot (Nachi Robotic Systems) — specs, pricing, Robo Index, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Last-Mile Delivery buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- EVST ROBOTICS FlexArm S5China
- Nachi Robotic Systems - Collaborative RobotUnited States
Year First Available
- EVST ROBOTICS FlexArm S52018
- Nachi Robotic Systems - Collaborative Robot2018
Verified Deployments
- EVST ROBOTICS FlexArm S50 Deployments
- Nachi Robotic Systems - Collaborative Robot0 Deployments
Layer 2: Operational
Availability Status
- EVST ROBOTICS FlexArm S5ACTIVE
- Nachi Robotic Systems - Collaborative RobotACTIVE
Arm Mechanics
Payload
- EVST ROBOTICS FlexArm S56 kg
- Nachi Robotic Systems - Collaborative Robot—
IP Rating
- EVST ROBOTICS FlexArm S5IP54
- Nachi Robotic Systems - Collaborative Robot—
Reach
- EVST ROBOTICS FlexArm S5917 mm
- Nachi Robotic Systems - Collaborative Robot—
Repeatability
- EVST ROBOTICS FlexArm S5±0.03 mm
- Nachi Robotic Systems - Collaborative Robot—
Robot Weight
- EVST ROBOTICS FlexArm S522 kg
- Nachi Robotic Systems - Collaborative Robot—
Mounting Options
- EVST ROBOTICS FlexArm S5any angle
- Nachi Robotic Systems - Collaborative Robot—
Safety
Safety Rating
- EVST ROBOTICS FlexArm S5ISO/TS 15066
- Nachi Robotic Systems - Collaborative RobotISO 13849-1 PLe
Force/Torque Sensing
- EVST ROBOTICS FlexArm S5none
- Nachi Robotic Systems - Collaborative Robotnone
Ease of Use
No-Code Capable
- EVST ROBOTICS FlexArm S5—
- Nachi Robotic Systems - Collaborative RobotYes
Offline Programming
- EVST ROBOTICS FlexArm S5—
- Nachi Robotic Systems - Collaborative RobotNo
Programming Interface
- EVST ROBOTICS FlexArm S5self-developed teach pendant
- Nachi Robotic Systems - Collaborative RobotDirect Teach joystick, hand-guided programming
Software & Connectivity
Fieldbus Protocols
- EVST ROBOTICS FlexArm S5EtherCAT
- Nachi Robotic Systems - Collaborative Robot—
| | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | China | United States |
| Year First Available | 2018 | 2018 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Arm Mechanics | ||
| Payload (priority for Last-Mile Delivery buyers) (values differ) | 6 kg | — |
| IP Rating (priority for Last-Mile Delivery buyers) (values differ) | IP54 | — |
| Reach (values differ) | 917 mm | — |
| Repeatability (values differ) | ±0.03 mm | — |
| Robot Weight (values differ) | 22 kg | — |
| Mounting Options (values differ) | any angle | — |
| Safety | ||
| Safety Rating (values differ) | ISO/TS 15066 | ISO 13849-1 PLe |
| Force/Torque Sensing | none | none |
| Ease of Use | ||
| No-Code Capable (values differ) | — | Yes |
| Offline Programming (values differ) | — | No |
| Programming Interface (values differ) | self-developed teach pendant | Direct Teach joystick, hand-guided programming |
| Software & Connectivity | ||
| Fieldbus Protocols (values differ) | EtherCAT | — |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Price, Battery / Shift Runtime, Degrees of Freedom, Max TCP Speed, TCP Speed (Collaborative), Power/Force Limiting, Safety I/O Pairs, Duty Cycle, Setup Time, Time to Redeploy, Tool Flange Standard, Tool Changer Support, Integrated F/T Sensor, Wrist Power Supply, SDK Languages, ROS Compatible, Digital Twin Support, MTBF, Path Accuracy, Price (USD), CaaS / Month, Warranty, Lead Time
ROI Comparison
Same operating assumptions across every robot — the only difference is price. Set your numbers once to see which pays back fastest.
Annual labor displaced (per robot): $50,000
| Metric | EVST ROBOTICS FlexArm S5 | Nachi Robotic Systems - Collaborative Robot |
|---|---|---|
| Investment | No price | No price |
| Payback period | — | — |
| Net savings (5 yr) | — | — |
| ROI (5 yr) | — | — |
EVST ROBOTICS FlexArm S5, Nachi Robotic Systems - Collaborative Robot have no listed price, so payback can't be computed. Contact the manufacturer for a quote.
Estimates labor-cost displacement only — not a full total cost of ownership. Actual ROI depends on integration, maintenance, training, downtime, and task fit. Converted currencies are indicative; USD is the price of record.
Trade-offs at a glance
Frequently asked
Who makes EVST ROBOTICS FlexArm S5 and Nachi Robotic Systems - Collaborative Robot?
EVST ROBOTICS FlexArm S5 is made by EVST (formerly EVS Robotics), based in CN. Nachi Robotic Systems - Collaborative Robot is made by Nachi Robotic Systems, based in US.
When were EVST ROBOTICS FlexArm S5 and Nachi Robotic Systems - Collaborative Robot launched?
EVST ROBOTICS FlexArm S5 launched in 2018. Nachi Robotic Systems - Collaborative Robot launched in 2018.
How do EVST ROBOTICS FlexArm S5 and Nachi Robotic Systems - Collaborative Robot compare on the Robo Index?
EVST ROBOTICS FlexArm S5 grades A on the Robo Index. Nachi Robotic Systems - Collaborative Robot grades AA. The Robo Index is a credibility grade (AAA … C) that blends commercial maturity, verified deployments, company standing, and independent coverage — see methodology for the full breakdown.
Are EVST ROBOTICS FlexArm S5 and Nachi Robotic Systems - Collaborative Robot in the same category?
Both robots are classified as Cobot on Robolist. Filters and ranking treat them as direct alternatives.
What is the realistic total cost of ownership for Cobot robots?
Hardware cost is one input. Cobot TCO also includes integration, training, downtime, and end-of-life. Our breakdown: Cobot TCO and Payback Math: Hardware, EOAT, and Zero-Fencing Savings.
What should a buyer ask vendors when choosing between EVST ROBOTICS FlexArm S5 and Nachi Robotic Systems - Collaborative Robot?
Spec sheets only show part of the story. Useful vendor questions cover support, lifecycle, integration cost, and references. We have a buyer-focused checklist: Cobot Vendor Red Flags: Questions That Filter Out the Marketing.
Going deeper — picking the right robot
Cobot TCO and Payback Math: Hardware, EOAT, and Zero-Fencing Savings
6 min readCollaborative Robots
Cobot Vendor Red Flags: Questions That Filter Out the Marketing
9 min readCollaborative Robots
Running a Cobot Pilot in a Manual Production Line
9 min readCollaborative Robots
Build vs buy vs lease: which model fits a first deployment
8 min readChoosing Your First Robot
The hidden specs vendors hope you'll miss
10 min readReading the Spec Sheet
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About this comparison
EVST ROBOTICS FlexArm S5 vs Nachi Robotic Systems - Collaborative Robot compares two robots in the cobot category. All data is sourced from manufacturer spec sheets, verified deployments, and third-party filings; see our methodology for how the Robo Index is calculated.