Coffee Mug with Stainless Steel Insert February 23, 2008 Demo by Bruce Purvine
For a write-up of Bruce's instructions (PDF), see Coffee Cup The stainless inserts may be purchased from Smooth Turning. Instructions will be included with the inserts. Click on the photos below for a larger image.
| Purvine Demo |
 Bruce
Purvine demonstrated mug turning.
Start with 4" x 4" x 8" blank. |
 Turn
to cylinder, form tenon for chuck, then drill to 5.5" depth
with 2.125" Forstner. |
 Forming
inside with deep hollowing scraper bit. |
 Marking
the inside diameter at top opening. |
 Checking
fit with chalk on stainless mug liner. |
 Defining
the bottom. |
 Final
fit with liner overlapping the top edge. |
 Parting
off. Use saw for
final cut to prevent tear-out. |
 Inserting
wooden jam chuck in 4-jaw chuck to hold for bottom cleanup. |
 Use
lots of blue painter's tape for extra security. |
 Clean
up the bottom. Start
with tailstock in place. |
 Power
sanding the bottom. |
 Now
with minimal tape, sand and then wipe on polyurethane
finish. |
 Another
success! |
| Other Meeting Highlights |
 Of
three items raffled, Dave Hutter won gift certificate.
Bruce Purvine (again?!) got the live center set. |
 Joel
describes his experience with various wood types for mugs.
Cracking is sometimes a problem. |
 Show-n-Tell table previewed. |
 Bruce found some interesting citrus wood.
Finishes well. |
 Joel Oksner made own hollowing tool with circular
carbide cutter. |
 Roy Haggard is now halfway through 16-year 3-leg table
project. |
 Alan Kirkby saved this punch-through in maple burl bowl
with inlay. |
 Bruce Berger was unhappy with epoxy finish on Cocobolo
goblets. See Jim Rinde. |
 Jim Rinde is master with epoxy inlays. |
 Warren Brown describes Oak "Corner Chair" with 16
tenons. |
 Joe Levy saw considerable movement on this Tasmanian Eucalyptus. |
 Gary Toro made vacuum fitting from standard lamp
hardware. |
 New member Lee Truman showed off his segmented pen. |
 Lee with very nice segmented bowl. |
 Dave Staeheli tried various approaches to stabilizing
this spectacular but punky fruitwood. |
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