Dave Plowman (News) wrote:
In article ,
Chris J Dixon wrote:
And that tends to be the problem with a drill stand. Sideways play. To
minimise that, you need a pillar drill where the chuck is concentric with
the pillar. Then it's just down to how well it is made.
It is probably my lack of imagination, but I can't picture that
arrangement.
Sorry - not well described. On a pillar drill the chuck is concentric to
the moving pillar - whatever that is called - so any slop restricted to
play between that pillar and its housing. They usually have a method of
taking up any play too - although on many cheap ones this isn't well made.
On a stand there is a housing to take the drill sliding up and down a
pillar and any pivoting on that translates into sideways slop at the drill
bit.
I think I can see what you are trying to say.
On a pillar drill, the motor assembly is supported by the pillar
from which the device takes its name. A separate drive shaft
carries the chuck, allowing it to be raised and lowered, and it
is concentric with this shaft, not the pillar.
Chris
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Chris J Dixon Nottingham UK
Plant amazing Acers.