help on hourglass

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george

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Joined
Jan 17, 2006
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458
Location
Ljubljana, Slovenia.
Hello everyone; I know this is not a penturning question, but since so many off you also do other woodturning items, I would like to ask for little hlep at making hourglass (sand clock - eggtimer).

I have a customer that wants 100 pcs of maple pedistals for hourglass. The dimensiones are not so small - diameter 13 cm and 15 mm widht.

I have a problem with mounting the wood; I cut it out of the boards, put it on the screwchuck and make diameter and one side really OK; the problem is with other (back) side - it is not so nice and smooth as front (I guess due to little space for working) and specialy it has a screw hole.

This would not be a problem at normal thing (just put better side up), however, this thing is regulary turned upside down. And then the screw hole is seen.

How do you work this sort of things ? I was thinking about tenon, but this make things complicated and I would probably need thicker boards. Doublesided tape - the piece is quite large.

I guess that there is a simple solution, I just dont know it. Thanks all for help in advance.
 
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If you had stock heavy enough and long enough, you could turn a piece down to round to 130, put whatever profile you want on the edge and part off each one
 
I would first make a template. Then rough cut the 100 pieces slightly larger that 13cm with my band saw, attach the template with double stick tape and finally trim to size with a flush trim router bit on my router table.
 
Monty said:
I would first make a template. Then rough cut the 100 pieces slightly larger that 13cm with my band saw, attach the template with double stick tape and finally trim to size with a flush trim router bit on my router table.
Click to expand...

sounds a lot quicker than my way
 
I also thought of router; just unfortunatlly do not have one. Will try to make few sampels and see what customer thinks about it.
How strange, so simple peice can give quite a trouble.
 
use double sided tape and a small waste block on the tail stock pushed aginst the work? Mike
 
george said:
I also thought of router; just unfortunatlly do not have one. Will try to make few sampels and see what customer thinks about it.
How strange, so simple peice can give quite a trouble.
Click to expand...

If you are only using it on one project, the $25 trim router from HF works great for this sort of thing. Or you could borrow one. . .
 
Whoops, didn't see your location. Borrowing or buying used would probably be your best bet.

I've done lots of coasters which should be similar to your pedestals. I screw on a sacrificial block of wood, turn it flat, then use double sided tape to glue the coaster wood to the block.
 
George,
you could use a sacrificial block mounted on a faceplate with the workpiece glued to it. I have used double sided tape in the past even with pieces this large but I always support it with the tailstock until I have to do the center.
 
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