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VR Simulator Training for Robotic Nozzle Operators

Writer: Scott Graham
Scott Graham
2 hours ago
3 min read

On the Robotic course every candidate does the VR simulator module. An operator with 10 years on a rig does it, and so does a new one. The examiner has to see the operator run the machine the right way, and the simulator records every scenario: nozzle distance, angle, spray pattern, layer build-up and rebound. The assessment comes from that record.

Robotic simulator, boom controls and the panel
Robotic simulator, boom controls and the panel

Where It Sits in the Pathway

The module runs after the theory day and the EFNARC online examination. It is 2 days, with a third available if the scenarios need it, and all required scenarios must be completed. A new operator then builds up 40 verified days on their own site and returns for the practical assessment. An experienced operator with 40 verified days already on the work experience form does the simulator and goes on to the practical assessment with the examiner present.

Experience does not shorten it. A long record on one rig shows that the operator has sprayed. It does not show how they drive a boom, where they stand, or what they do when the pressure climbs. The simulator shows those, scenario by scenario, before the examiner watches a production face.

What It Records

Holding the nozzle 1 to 2 m from the substrate and square to it for a whole load, with the record showing when the distance drifts out. The boom movement paths that keep the nozzle at a constant distance and angle as it swings across a heading. The stabilisation and the continuous nozzle rotation on a current boom run once spraying starts, and the operator still has to drive the boom at the right distance.

The boom at the face, the movement paths the simulator teaches
The boom at the face, the movement paths the simulator teaches

The spray sequence: overbreak and hollows first, then horizontal bands from the lowest point up so rebound is not sprayed over, and the shoulder before the back. Building thickness over passes within what the mix holds, and seeing where a pass was loaded beyond it. Rebound as a number, so the operator sees what distance, angle and air do to it.

An operator who held 1.5 m for a whole load and one who drifted to 2.5 m look the same from across a heading. They do not look the same in the simulator record.

What It Does Not Replace

The 40 days. Supervised production spraying cannot be shortened. Reading the ground, reading the material and keeping the thickness at the shoulders come from the work, under someone who can correct them. Every candidate still finishes with a practical assessment on site with the examiner present, covering the pre-start, the set-up at the face, the start-up sequence, the spraying, the response to a problem and the shutdown.

It does not replace the plant either. Every boom has its own geometry and speed settings. A certified operator put on an unfamiliar rig still needs a verification of competency on that rig, and learns its movement paths on a wall that is not part of the work.

Booking It

The simulator runs set up for robotic spraying, on your site or at other locations by arrangement. Booked for a crew, the scenarios are run for the process that crew sprays. The work experience form for each experienced operator goes in before the course, so the examiner knows which pathway each candidate is on.

We run the EFNARC Robotic nozzle operator course on your site or at other locations by arrangement. The course page has the modules and the enquiry form.

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