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SET-UP
FOR OUTER SIDE OF LID.
(THE
HEIGHT OF THE METAL BASE WILL VARY ACCORDING TO THE SIZE OF
THE LATHE)
(GARRY USES A HIGH SPEED, TOOL STEEL CUTTER AND HOLDER
MOUNTED ON A CROSS-SLIDE TABLE)
SEE CLOSE-UP BELOW |
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CLOSE-UP VIEW OF CUTTER IN ACTION.
GARRY GRINDS THE CUTTING TOOL TO A DOVETAIL SHAPE - WIDER AT
THE TOP THAN AT THE BOTTOM. |
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THIS IS
THE SET-UP USED TO MAKE THE PARALLEL STRAIGHT CUTS ON THE
INNER SIDE OF THE LID. A DIE GRINDER HELD IN A PIVOTING
BRACKET ON A MILLING MACHINE TYPE ROTARY TABLE.
THE TABLE / JIG ARRANGEMENT MUST BE DESIGNED
TO PUT THE CUTTER VERY PRECISELY AT THE HEIGHT OF THE
LATHE'S MAIN AXIS.
* * * * * * * *
IT IS IMPORTANT TO REMEMBER TO CUT
PERPENDICULAR TO THE GRAIN OF THE WOOD - OTHERWISE THE PIECE
IS WEAKENED |
 |
CLOSE-UP VIEW
NOTE
THE WOODEN CHUCK GARRY HAS MADE AND THE BRACKETS USED TO
SECURE THE PIECE.
|
 |
USING A
TEMPLATE TO CHECK THE INSIDE CURVATURE.
WITH
THE DIE GRINDER SET UP ACCORDINGLY, A CONSTANT DEPTH OF CUT
CAN BE MAINTAINED |
 |
ANOTHER
SET-UP USING A SMALLER, AIR-POWERED DIE GRINDER |
 |
DIFFERENT VIEW SHOWING THE PIVOTING ACTION.
THE
RADIUS FOR CUTTING THE GROOVES IS ON THE SAME VERTICAL
CENTRE AS THE ROTARY TABLE'S HORIZONTAL CENTRE.
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