There are other features that would make sense to add for mixer
saftey.
If someone is contemplating an electrically powered mixer GFCI
protection comes to mind.
Other more simple design features can be effective. Physically
locating the on/off switch far enough away that it cannot be
accidentally bumped while loading/unloading the mixer makes sense.
Large commercial machinery often uses two push buttons to activate.
The buttons are 2-3 ft apart. This requires that the operator use
both hands to start the machine. If the hands are pushing buttons,
they aren't inside the machine and at risk. This may be more complex
to implement though.
I guess someone could also add a lid sensor, like a washing machine
has. If someone lifts the lid, it cuts mixer power.
Of course, none of this replaces common sense.
---------------------------
Spaceman wrote:
Because of the need for a mixer to process relatively large chunks of
paper, and to have free flow around the blades, making one that would
meet OSHA safety standards is going to be a challenge. My untow mixer
is relatively safe if I put the top on and clamp it down before
mixing, but it is more often run with the top open so I can add to
the mix.
My barrel mixer is safer because it would be hard to crawl into it,
and the blade is low enough that you cannot easily stick your hand
into it while it is running. Even a small child would have difficulty
crawling into that one.
Spaceman
slurryguy wrote:
I humbly suggest that if we are to publish plans for a mixer it
should be made as safe as possible.
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