Collaborative Robots: The Complete Buyer's and User's Guide

Cobots — collaborative robots — are designed to work alongside people without traditional guarding. This guide covers what cobots are, how they differ from industrial robots, what they cost (full installation), which brands to consider, and when they are the wrong choice.

What is a cobot?

A collaborative robot (cobot) is an industrial robot arm designed to operate in proximity to human workers, with built-in safety features — typically force/torque sensing, rounded external surfaces, and speed/force limits — that allow it to stop or slow when it detects contact. The four collaborative operating modes are defined in ISO/TS 15066: safety-rated monitored stop, hand guiding, speed and separation monitoring, and power and force limiting.

Cobots are not inherently safer than industrial robots in every application. A cobot holding a sharp cutting tool or a hot part is dangerous regardless of its collaborative certification. A risk assessment is mandatory for every robot installation, cobot or otherwise.

Key numbers (as of September 2026, based on published manufacturer data): Cobot payload ranges from about 3 kg to 35 kg. Reach ranges from 500 mm to 1,750 mm. Repeatability is typically ±0.02–0.05 mm. Robot-only list prices range from approximately $25,000 to $80,000 USD. Installed system cost (robot + EOAT + guarding + integration + programming) typically runs $60,000–$200,000. See the full cobot cost breakdown.

Payload, reach and speed: what the specs actually mean

Payload is the maximum mass at the robot wrist, including the end-of-arm tooling. If your gripper weighs 2 kg and your part weighs 4 kg, you need a cobot with at least 6 kg payload. Most cobot manufacturers rate payload at full arm extension; actual safe payload at reduced reach is higher.

Reach is the maximum distance from the robot base to the tool centre point. Ensure the reach covers your full load/unload motion with margin — the robot should not operate at maximum extension continuously, as forces and accelerations are harder to manage there.

Speed in collaborative mode is software-limited, typically to 250 mm/s TCP speed under ISO/TS 15066 power and force limiting requirements, though the robot can move faster when no person is in the collaborative zone. This speed limit is the main reason cobots are slower than industrial robots in identical tasks.

Repeatability is typically ±0.02–0.05 mm for modern cobots — sufficient for machine tending, pick-and-place, welding and palletizing. If you need sub-0.01 mm positioning (precision assembly, optical alignment), an industrial SCARA or a precision robot arm is more appropriate.

Cobot vs industrial robot: which is right for your shop?

The decision is rarely just about safety or guarding — it is about cycle time, payload, programming flexibility and integration cost. See the detailed guide: Cobot vs Industrial Robot for a Small Factory.

Choose a cobot if…

  • Cycle times are 8–60 seconds (moderate speed acceptable)
  • Payload < 20 kg
  • Operators need periodic cell access
  • You need easy reprogramming for mixed parts
  • Floor space is limited (smaller footprint)
  • In-house programming is preferred

Choose an industrial robot if…

  • Cycle time < 5 seconds (speed is critical)
  • Payload > 30 kg
  • High-volume, fixed-part production
  • Harsh environment (welding fumes, coolant spray)
  • You already have safety fencing
  • Total cost over 5 years favours higher capital/lower opex

Cobot brands: a vendor-neutral overview

The cobot market has over 50 active manufacturers as of 2026. The most common in North American job shops, based on installed base and distributor availability:

Brand / Model range Payload range Reach range Typical robot-only price (USD, as of Sep 2026) Notes
Universal Robots (UR3e–UR20)3–20 kg500–1,750 mm$25,000–$65,000Largest installed base; UR+ ecosystem; strong integrator network
FANUC CRX series5–25 kg994–1,889 mm$35,000–$75,000Tablet programming; strong reliability track record; FANUC CNC integration
ABB GoFa / YuMi5 kg (GoFa 5); 0.5 kg/arm (YuMi)950 mm / 559 mm$40,000–$80,000YuMi is dual-arm; GoFa suited to assembly; ABB service network
KUKA LBR iisy / iiwa11–15 kg960–1,100 mm$45,000–$90,000Strong in Europe; iiwa has 7 axes for complex assembly
Yaskawa HC series10–20 kg1,200–1,700 mm$35,000–$65,000Integrated into Motoman programming environment
Doosan (A, M, H series)6–25 kg900–1,700 mm$30,000–$60,000Direct-drive joints; good force sensing; growing North American distribution
Techman (TM series)6–20 kg700–1,800 mm$28,000–$55,000Integrated vision camera at wrist; competitive pricing
Standard Bots RO118 kg1,320 mm~$37,000AI-assisted programming; US-based support; newer entrant

Sources: manufacturer websites and publicly available pricing as of September 2026. Prices are robot-only list price; actual pricing varies by region and distributor. Always request a current quote.

What cobots are actually used for in small factories

In decreasing order of deployment frequency in SME manufacturing, based on trade press and integrator surveys through 2025:

  1. Machine tending (CNC mills, lathes, injection moulders) — typically highest ROI per investment dollar. See cobot machine tending guide.
  2. Palletizing — end-of-line stacking at low-to-medium throughput. See cobot palletizer comparison.
  3. Welding (MIG/MAG) — viable for short-to-medium weld runs on consistent joint geometry. See cobot welding guide.
  4. Assembly — screw driving, press fitting, part presentation to operators.
  5. Quality inspection / measurement — camera-guided measurement cycles.
  6. Dispensing — adhesive, sealant, lubricant application on consistent paths.

Cobot guides and comparisons

How Much Does a Cobot Cost? Full Installed-Cost Breakdown

Robot hardware, gripper, guarding, integration, programming and training — all itemised with real numbers for 2026.

Cobot vs Industrial Robot for a Small Factory

Side-by-side comparison of collaborative and traditional industrial robots across speed, payload, cost and flexibility.

FANUC CRX Review: Specs, Cost and Who It's For

Detailed look at the CRX-5iA, CRX-10iA, CRX-25iA — payload, reach, programming, and where they fit vs Universal Robots.

What Cobots Are Used For: Applications Guide

Real-world cobot applications with cycle-time expectations and the applications where cobots consistently disappoint.

Cobot Products by Brand

Deep-dive specs, programming guides, and application fit for every major collaborative robot manufacturer.

Universal Robots UR Series

UR3e through UR30 specs, PolyScope programming, UR+ ecosystem, and when UR is the right choice for your application.

FANUC CRX Series

CRX-5iA through CRX-25iA model range, tablet-based programming, iRVision, and FANUC's service network advantage.

ABB GoFa (CRB 15000)

5 kg payload, 950 mm reach, OmniCore controller, RobotStudio offline simulation, and food-grade IP67 variant.

Yaskawa HC Series

HC10DTP and HC20DTP — the heaviest standard cobots from a Tier 1 manufacturer, Smart Pendant, INFORM III.

Techman TM Series

Built-in 2D wrist camera, TMflow browser programming, TM5 through TM25 specs, and Omron distribution partnership.

Doosan H Series

H2515, H2017 and H2517 — direct-drive joints, full joint-level force sensing, DART/DRL Python programming.

Frequently asked questions about cobots

Do cobots need safety guarding?
Not necessarily — but it depends on your application, not on the cobot certification. A risk assessment per ISO 10218-2 / ANSI RIA R15.06 determines whether guarding is required. If the risk assessment identifies unacceptable hazards at collaborative speeds (e.g. the cobot holds a knife or a hot part), guarding is required even with a certified cobot. Many cobot deployments do include light curtains, area scanners or partial fencing.
How long does it take to program a cobot?
For a simple machine tending task with a known part, initial programming typically takes 4–20 hours. Universal Robots' graphical programming interface and hand-guided teaching reduce this for non-engineers. Complex multi-part applications with vision-guided picking or variable part orientation require longer — sometimes weeks of commissioning. FANUC CRX's tablet-based programming is similarly accessible.
What is the lifespan of a cobot?
Manufacturers typically rate cobots for 35,000–80,000 hours of operation. At two-shift operation (6,000 hours/year), that is 6–13 years. Universal Robots rates the UR series at 35,000 hours MTTF (mean time to failure). Joint rebuilds or replacements extend useful life further. Realistic planning horizon for ROI calculations: 8–10 years.
Can a cobot work with an existing CNC machine?
Yes, with the right interface. The robot needs to signal the CNC to open the door/chuck and start the cycle, and the CNC needs to signal the robot when machining is complete. Most modern CNC controls support digital I/O, Ethernet or fieldbus interfaces for this. The door actuator (pneumatic, servo or manual) is often the biggest mechanical integration challenge. See our CNC machine tending robot guide.
What is the minimum order quantity or job-run length for cobot welding to make sense?
Most cobot welding integrators recommend a minimum of 20–50 identical weld passes per setup to justify programming time. A cobot welder is strongest for repeated short-run production (50–2,000 parts per batch with consistent joint geometry) rather than one-off custom fabrication. For true one-off or very short runs, a skilled human welder typically remains faster and more economical.

Sources

  1. Universal Robots datasheet library, universal-robots.com/products/, accessed September 2026
  2. FANUC CRX series technical specifications, fanucamerica.com, accessed September 2026
  3. ISO/TS 15066:2016 — Robots and robotic devices — Collaborative robots
  4. ANSI/RIA R15.06-2012 (R2022) — Industrial Robots and Robot Systems — Safety Requirements
  5. Doosan Robotics product lineup, doosanrobotics.com, accessed September 2026