Cobot guarding · Oxfordshire · UK-wide
Protect people. Preserve the collaborative advantage.
Physical guarding and integrated protective systems for collaborative-robot applications—engineered around the task, the tooling, operator access and the production environment.
A “cobot” label does not make the complete application safe. We start with hazards, interaction and stopping behaviour.
Answer the questions buyers ask before a survey.
Use the decision, cost, retrofit and tooling guides to build a clearer brief before requesting a guarding proposal.
Does the cobot need guarding?
Assess the tool, payload, process, trapping points, people and stopping behaviour.
Use the decision guide 02What affects project cost?
Compare fencing, access, devices, controls, site installation and handover scope.
Build a quotation brief 03Is the gripper or tool safe?
Review pinch, drop, sharp-edge, stored-energy and foreseeable contact hazards.
Review end-effector safety 04Can an installed cell be upgraded?
Plan a survey, proportionate retrofit and installation around live production.
Plan a retrofitDirect answer
Does a cobot need guarding?
Sometimes—and often more than the robot brochure suggests. Collaborative capability is only one input. If the end effector, payload, process, speed, reachable trapping points or neighbouring equipment create a risk, the application may need physical separation, presence sensing, controlled access or a combination of measures.
Guarding that fits the way the cobot is actually used.
We design around the robot movement envelope, end effector, process hazards, loading routine, teaching and recovery tasks—not around a catalogue panel size.
Physical & partial guarding
Compact mesh, polycarbonate or solid-panel systems used to separate hazards without unnecessarily enclosing the whole application.
Explore guarding systemsScanners & light curtains
Presence-sensing arrangements for planned access, speed-and-separation concepts and protected loading or transfer zones.
Compare protective devicesInterlocked access
Doors, hatches and guard locking coordinated with stopping time, safe state, access needs and escape considerations.
Review access systemsReset & restart control
Reset positions, manual acknowledgement and control logic intended to prevent unexpected movement after safeguarded access.
See safety-control scopeCobot risk assessment
Application-led PUWER guarding review, safety-requirement definition, functional checks and proportionate handover evidence.
Plan a risk assessmentPFL & separation monitoring
Power-and-force limiting, contact scenarios, stopping performance and scanner-based speed-and-separation concepts.
Compare collaborative methods
Proportionate protectionGuard what creates the hazard while retaining practical access and visibility.
The application decides the safeguarding.
The robot arm may have power-and-force-limiting functions, but the application can introduce hazards that the arm cannot control: sharp tooling, hot processes, ejected parts, unstable payloads, crush points, fixtures and moving equipment.
- Robot, end-effector and payload movement envelope
- Foreseeable contact, trapping and impact points
- Operator loading, teaching, recovery and maintenance
- Stopping performance and safety-function response
- Conveyor, machine and production-line interfaces
A controlled engineering process.
Mechanical guarding, sensing and control behaviour are developed together so the finished system supports both safe access and reliable production.
Define
Confirm application, product flow, robot, tooling and project boundary.
Survey
Capture hazards, access tasks, space, interfaces and stopping considerations.
Engineer
Develop the guarding, device and safety-function concept.
Install
Coordinate manufacture, site work, wiring and production constraints.
Validate
Functionally test the agreed scope and complete the handover record.
One cobot category. Very different risk profiles.
The same robot can be low-risk when moving a lightweight pack and require extensive protection when welding, machining or handling a sharp component.
Risk-led, standards-informed design.
Relevant legislation, current standards and the declared project boundary are considered for the specific machine and application.
See risk assessment and validationClear answers before concept design.
No. The complete application must be assessed, not the robot arm in isolation. Tooling, payload, speed, force, trapping points, hot or sharp processes and nearby equipment can all make physical guarding or additional protective devices necessary.
Yes. A hybrid arrangement can use physical guarding to contain fixed hazards while scanners or light curtains protect planned operator access. The safety functions, stopping response, reset position and operating modes must be designed and validated as one system.
Yes. Oxford Machine Guarding can survey an existing cell, review operator and maintenance tasks, examine access and control behaviour, then propose proportionate mechanical and electrical safety upgrades.
Projects can include doors, guard locking, safety interlocks, laser scanners, light curtains, reset controls, emergency stops, safety relays or safety-PLC interfaces, subject to the agreed project boundary.
Useful starting information includes the robot make and model, end effector, payload, application, target speed, cell layout, access tasks, product flow, photographs, drawings and the intended installation location.
Oxford Machine Guarding is based in Oxfordshire and supports planned surveys, installations and safeguarding projects across England, Wales and Scotland.
Start with the application
Share the robot, tool, task and access requirement.
Send photographs, a layout or a short description. We will help define the survey, guarding concept and safety-integration scope.
What happens when someone needs access to the cobot cell?
List loading, teaching, recovery, tool changes and maintenance as separate tasks. For each one, identify the robot, workpiece and connected equipment that can still create a hazard. The safeguarding concept must define a suitable access sequence and the conditions for reset and restart. Our access-control guide develops this into a reviewable brief for the competent designer, including interfaces and validation responsibilities.