Axminster MD150Q User Manual - Page 10

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Setting up the Grinder...

A X M I N S T E R

W H I T E

Fig 4

Star nut

Adjust the spark guard until it is

just clear of the grindstone

Position the eye shield on its pivot bolt, (if necessary, 'nip' the clamping bolt of the eye

shield clamp so that the eye shield remains in place).

If there is any tendency for the grinder to move, tip or tilt while it is being operated, it should

be bolted down; either to the bench or to a specific stand or base board.

It is a good idea to dress new grindstones before use, to remove any possible irregularities,

and ensure the stones are running concentrically.

Carry out a final check e.g. start the machine, check it runs smoothly. Check that the spark

guard is adjusted down to the stone, check the gap between the tool rest and the stone is

correct, check the stone is not badly deformed (rounded edges, grooved face, etc; unless

you have specifically shaped the stone to these profiles)check the eye shield is correctly

positioned. Have a cooling pot to hand if you need it, and remember safety goggles are a

good investment. (you are only issued with 1 pair of eyes).

Finally, fill the water trough with clean water to a level about 15-20 mm below the lower lip of

the trough.

NOTE.

The Wetstone will shed the grinding waste and dust into the water; the heavy waste

is not a problem as it will sink to the bottom of the trough, the dust and 'light stuff' will form

a film on the surface of the water and can be dragged up and lay on the stone. A sufficiently

heavy layer can be 'glazed' onto the stone by the grinding action, which reduces its cutting

efficiency. The 'heavy' waste which sinks to the bottom of the trough, can also start to rust,

due to the oxygenated nature of the water, (air trapped in the surface water on the stone,

being passed through the trough as it rotates). Clean the trough and refill with clean water

frequently.

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Leave a gap of approximately

one and a half millimetres

between the grindstone

and the rest

Fig 5