Formal Risk Assessment: EggBot
Contents
Formal Risk Assessment for the EggBot
Activity
The EggBot is able move a tool around a spherical work piece according to computer control. In typical use this would involve moving a pen across the surface an egg or other material with the intention of drawing a chosen design.
Other tools can be used, such as a engraving tool or hot wax tool.
Hazard identification
- Changing, installing or operating using the diamond engraving tool exposes the sharp blade. The blade is approx. 1mm long with a sharp tip. This could cause the operator a minor stab wound or a cut if handled improperly.
- Cables (mains power and USB) could be a trip hazard for the operator or those walking past the machine.
- The pen arm moves horizontally on the machine and could trap fingers.
- The pen arm is moved vertically in the machine and could trap fingers.
- The accessories are very small and can be sharp. Usual risk if swallowed or mishandled.
Persons at risk
- Operator of the machine
- Other users of the craft room, especially children
Initial assessment of risk
| Hazard identified | Severity | Probability | Risk Factor |
|---|---|---|---|
| Using the diamond engraver exposes the sharp blade | 2 | 2 | 4 |
| Cables (mains power and USB) could be a trip hazard | 1 | 1 | 1 |
| Pen arm moves horizontally on the machine, could trap fingers | 2 | 2 | 2 |
| Pen arm is moved vertically on machine, could trap fingers | 1 | 1 | 1 |
| Accessories are very small, can be sharp | 1 | 2 | 2 |
Categorising the risk level as 1-4(Low), 5-9(Moderate), 10-15(High) or 16-25 (Unacceptable) shows that the potential level of risk in this activity is low. Further measures are not needed to reduce the risk to an acceptable level, but are considered anyway.
Control measures
Necessary control measures arising from the hazards identified are:
- A poster near the machine details the correct method for handling all accessories and procedure for changing the tools.
- The equipment summary sheet near the machine advises caution.
- Cables will be routed and secured to ensure there is insufficient slack to provide a risk.
Final assessment of risk
The assessed risk taking into account the implementation of the control measures listed, and adherence to the SSOW (Safe System of Work) if applicable is as follows:
| Hazard identified | Severity | Probability | Risk Factor |
|---|---|---|---|
| Using the diamond engraver exposes the sharp blade | tbd | tbd | tbd |
| Cables (mains power and USB) could be a trip hazard | tbd | tbd | tbd |
| Pen arm moves horizontally on the machine, could trap fingers | tbd | tbd | tbd |
| Pen arm is moved vertically on machine, could trap fingers | tbd | tbd | tbd |
| Accessories are very small, can be sharp | tbd | tbd | tbd |
The risk now falls into the category tbd and is considered to be tbd.
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