1496RE: [GrizHFMinimill] A fan question...
- Nov 1, 2002Leo:
The air spring does not offer that constraint. You can lower the head until
the contacts the Z-axis stop at the bottom.
Your idea of using an end mill holder is good. It will extend the reach
The air spring was abandoned because of cost. Parts on these machines that
the factory can't make are much more expensive than the parts they do make.
All the torsion spring parts are easily made, and I'll bet they add up to
less than the cost of the air spring alone.
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From: dswr@... [mailto:dswr@...]
Sent: Friday, November 01, 2002 12:58 PM
Subject: Re: [GrizHFMinimill] A fan question...
Does your mill have the air-spring counter balance? This mill uses a
torsion bar counter balance. The supporting shank (so called) that
stabilizes the head position on the column (fuselage) stops the head
lower limit of travel before the head touches the position clamp, that
is at it's lowest position.
The air spring does not seem to impose this constraint on the head. I
wonder why it was abandoned for the torsion bar?
I'm thinking that installing a mill holder in the spindle, will get me
lower to the table. I have a set of bushings that would allow me to use
various size mill cutter shanks in a 1/2 inch holder.
Leo (pearland, tx)
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