Axminster AW8G2 User Manual download pdf (Page 13)

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Changing a grinding wheel...

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Reset the spark guards & tool rest for “setting up the

grinder” instructions. Reconnect the grinder to the

mains supply, give the grinder a 'short burst', by

switching it on and off quickly. Check the grinder is

not subject to any undue vibration . If the grinder

does vibrate, strip it down again and check that the

bush (if fitted) is correctly positioned and is the cor-

rect size for the stone and the spindle. Check the bore

of the stone is correct. If these all seem correct refit

and carryout the 'quick burst' procedure again. If the

machine is still vibrating, discard the stone and

replace with another one. Run up to speed normally.

Leave the machine running for at least one minute

before carrying out any work. Apply a workpiece and

check that the spark guard is correctly positioned and

that the tool rest is securely fixed.

If necessary dress the new stone lightly to ensure a

‘good face’ and concentricity.

Fig 10

Dressing a stone...

If the grindstones wear unevenly, producing crests, dips or rounded edges, they

should be dressed out using a suitable wheel dressing tool. (A selection of stone dressing

tools are available in the Axminster catalogue.)

Switch the grinder on and allow it to run for at least one minute. Rest the dressing tool on

the tool rest and advance it to the stone until it touches the maximum diameter; gently move

the dresser back and forth across the face of the stone until all irregularities have been

removed and the edges of the stone are nice and sharp.

PLEASE NOTE

This is not a procedure that can be

rushed, it must be carried out

slowly and steadily.

Dressing the wheel using

a Wheel Dressing Stick or

Devil stone

Part No. DEVILS

1 2 ... 8 9 10 11 12 13 14 15 16

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Axminster AW8G2 User Manual Page 13