Can a cobot work without a safety fence?

Sometimes — but the fence decision comes from the risk assessment of the complete application, not from the robot's category. A cobot carrying a sharp, heavy or hot workpiece can still need guarding or reduced speed, and an industrial arm can sometimes work unfenced with scanners and safety-rated controls. The robot being a cobot is the start of the safety conversation, not the end of it.

Are cobots always cheaper than industrial robots?

The arm itself often costs less, and integration is usually lighter because programming is simpler and guarding may be reduced. But the comparison that matters is total project cost per part produced: a cobot that cannot hold the required cycle time is expensive at any price, and an industrial arm's higher installation cost is spread over much higher throughput.

What payloads and speeds can cobots handle?

Most cobot models are built for light-to-medium payloads and moderate speeds, because their safety concept depends on limiting force and momentum. High-payload cobots exist and the range keeps expanding, but when an application needs heavy payloads at high speed, physics pushes the design back toward a traditional arm behind guarding.

Which is easier to redeploy to a new task?

Cobots, by design: hand-guided teaching, lighter mounting and simpler safety validation make moving one to a new station a smaller project. Industrial arms can be reprogrammed too, but their guarding, foundations and safety circuits make redeployment a formal engineering job. For high-mix, changing work, that difference is often decisive.

Universal Robots UR30

Universal Robots collaborative robot arm — Product image from Universal Robots' official site, via the GlobleMatch directory.

30 kg payload1,300 mm reach35 kg extended (conditional)

Specs verified Listed 12 November 2026

Why it matters

Heavy collaborative work — palletizing, machine tending, material handling — used to mean leaving the cobot category. The UR30 is Universal Robots' answer at the top of its range. Its extended 35 kg rating is real but bounded by conditions in the supplier manual, so this listing labels it conditional instead of folding it into the headline number.

The UR30 is the largest collaborative robot arm in Universal Robots' current range, listed by the manufacturer at a 30 kg standard payload and 1,300 mm reach. Buyers comparing heavy cobots should read the extended rating carefully: it is a bounded configuration, not the default. For a fuller method, see Payload Is Not the Whole Specification.

Key facts

Category	Collaborative robot arm
Maker	Universal Robots
Standard payload	30 kg
Extended payload	35 kg — conditional; applies only under the conditions stated in the supplier manual
Reach	1,300 mm
Repeatability	Not listed — the manufacturer's own documents state conflicting values, so GlobleMatch publishes the figure only once clarified
Official source	universal-robots.com/products/ur30
Facts verified	11 November 2026

Universal Robots
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Listing basis: manufacturer-published information, checked against the source shown above. Where a figure could not be substantiated it is left out rather than estimated. Companies can claim their directory profile and submit new products free of charge.