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Pizza Cutting Board Routing Project

Pizza Cutting Board Routing Project
  A unique pizza cutting board, grooved into eight equal portions.

I am becoming more and more interested in the use of recycled timber and a recent walk round our local industrial estate yielded quite a rich harvest of very usable material. Many of the businesses receive goods in packing crates made from a variety of timber species native to the country of origin. As well as all the ‘green’ aspects of recycling, such material is often free for the taking away, a major consideration with the current high cost of new timber. At one, which imports components from America, I found several discarded boards of maple.
     
Material Choice and Preparation
  1. The boards had been used to bolts down some machine components, but there were some very handy lengths of undamaged timber between the various bolt holes.
Material Choice and Preparation
  2. For this pizza board, I needed to join up two pieces to get the required width, and although I usually make these joints on the machine planer there is some satisfaction in shooting them by hand. The finished size of this board is 12” x 16” to take a 10” pizza.
Material Choice and Preparation
  3. To maintain the alignment during the gluing up process it is better to slot in a couple of biscuits, so mark the position of this across the joint, keeping the biscuits well in from the ends.
Material Choice and Preparation
  4. If you don´t have a dedicated biscuit jointing machine, the biscuit slots can be made using a dedicated router cutter which is supplied with three different diameter bearings to accommodate the various sizes of biscuit, Number 10’s were used here.
     

Glueing, Clampinig and Routing

Glueing, Clampinig and Routing
 
5. I set the position of the biscuits slots by eye to be somewhere near the middle of the board, although the exact position is not critical provided you work from the face side on both pieces.
Glueing, Clampinig and Routing
  6. Check that the boards fit together properly with the biscuits in place and that there is no ragging at the exit end of the slots that will prevent the joint pulling up tight.

Glueing, Clampinig and Routing
 

7. Glue and clamp up using a couple of sash cramps, across the joint keeping the clamp bars well clear of the glue to prevent them leaving a rusty mark on the work.
Glueing, Clampinig and Routing
  8. Apply another clamp from the other face to minimize the risk of bowing the piece under pressure.
Glueing, Clampinig and Routing
  9. When the glue in dry, clean up the edges to remove any clamp marks, trim the ends square and sand the top surface using a random orbit sander, working down the grades of abrasive to about 240 grit.
     

Routing

Routing
  10. To form the pizza pattern grooves you need a router with a 45 degree V bit and a trammel of some sort.
Routing
  11. Mark the dead centre of the board by drawing diagonals from corner to corner and use a bradawl two make a small hole at the intersection.
Routing
  12. Fit the trammel to the router, make sure the trammel point is well seated into the marked centre and adjust to the required diameter by sliding the router out along the bar.
Routing
  13. Set the depth stop and then plunge the router in, swinging it forwards as you do so to minimize the risk of burning at the entry point. Work anticlockwise to make sure the cutter pulls outwards against the trammel as you work and the circle ends up true.
Routing
  14. Although it is difficult, try and maintain a smooth continuous movement without any stops as you swing the router round, as even the slightest hesitation will leave a burn mark that is very difficult to remove later.
     

Routing continued

Routing continued
  15. With the circle scribed out, mark all the other divisions using a square for the two at right angles to the side and then dividing the remaining quarters in half with a rule.
Routing continued
  16. To cut these dividers I used a straightedge as a guide for the router, temporarily sticking it to the board with double-sided tape 55mm away from each line, as I know this is the distance between the tip of the router cutter and the edge of the router base.
Routing continued
  17. Work carefully as you make each cut to ensure sure you don´t cut the line through into the outer circle, but work quickly enough to minimize burning.
Routing continued
  18. Provided you have used a sharp router bit, the cuts should all be clean with little feathering and require very little in the way of cleaning up later.
Routing continued
  19. To complete the top surface I ran a small chamfer around the edge using a bearing guided cutter.
     

Finishing Touches and Presentation

Finishing Touches and Presentation
  20. To make it easier to pick up the board when it is loaded with a pizza, cut a couple of finger grips on the underside at either end using a bearing guided radius cutter.
Finishing Touches and Presentation
  21. Give the whole board a thorough sanding with fine abrasive and then apply a suitable finish. My preference is for a dedicated food safe finish that is oil-based and dries within about half an hour. Two or three coats provides an impervious surface that is resistant to wiping, but still maintains a slight sheen.
Finishing Touches and Presentation
  22. That´s all there is to this simple pizza board, you just require a wheeled cutter and you´re ready for supper!
     
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