PARTS IS PARTS:
H le Drilling Redux
Back in the November ‘09 issue, I ended the Hole Drilling story
with a reference to sharpening
drills. I have now purchased a Drill
Doctor 750 sharpener and the
results are surprising and worth
sharing. The sharpener comes in a
very solid plastic case that should
be a lesson to all other power tool
manufacturers.
● by Nick Martin
larger drills take much longer to
sharpen.
All the Drill Doctor tools come
with a detailed manual and DVD
that will get you to expert level in
no time. Here are a few extra tips
that are worth knowing:
• Getting the coarser grit wheel
really cuts down the time to
sharpen larger drills. It’s well
worth the expense.
Drill Doctor and
re-sharpened drills.
roughly shape the bit on a bench
grinder, then finish it on the Drill
Doctor.
A tip for international readers:
The Drill Doctor tools often carry a
high import premium outside the
US. I saved about $100 by buying
the 750X mail-order from the US
and running it from a 220V to 110V
step-down transformer. You can run
the tool from any mains voltage as
long as there is an appropriate
step-down transformer available.
The motor in the Drill Doctor is
actually a DC type so mains
frequency shouldn’t matter. SV
EVENTS
Completed and Upcoming Events
Completed Events for
Nov 11 to Dec 7, 2009
Mayhem in Miami was presented by the 305 Robotics
Consortium, Starbot, Ransom
Everglades, and the Symbiosis
Foundation on November 14th.
Upcoming Events for
February-March
NW Model Hobby Expo 2010 will be
presented by Western
Allied Robotics in Monroe, WA, on
February 13th. Go to www.western
alliedrobotics.com for more
information.
Motorama 2010 will be presented by the North East
Robotics Club in Harrisburg, PA,
February 19th through 21st. Go to
www.nerc.us
for more
information.
Central Illinois Bot Brawl 2010 will be presented by Central Illinois
Robotics Club
in Peoria, IL,
on March 6th.
Go to http://
circ.mtco.com for more information.
2010 Robot Rumble will be presented by Carolina Combat
Robots in Durham, NC, on March
20th. Go to www.carolinacom
bat.com for more information. SV
SERVO 02.2010 27
