Broad Rimmed Platter

Tuesday 26 August 2008

This platter by Mark Baker makes a majestic centrepiece for a table

1.Find the centre of a piece of yew 16in (405mm) square by 1 3/4in (45mm) or so thick, drill a hole to suit your screw chuck and fix it to the blank. This chuck has screw holes in the flange for extra strength. When secure, mount it on the lathe. The side with the chuck will be the inside of the bowl. Position the rest about 1/4in (6mm) below centre and far enough away not to foul the blank when it is revolved by hand

A majestic centrepiece for a table or sideboard, this project introduces some key skills when it comes to platter turning.

The blank is first mounted on a screw chuck or faceplate, where the back is turned to completion. It is then reversed and mounted in a chuck which grips either on a spigot or in a recess. Once the top surface is finished, either reverse-chucking or hand detailing can be used to put the final touches to the foot section.

By now it should be clear to you that the techniques required for various types of projects have a great deal in common. Repeated practice of these basic procedures is what enables us to develop, improving not only the speed with which we work, but also the dexterity and skill.

With this platter, I have suggested using a carving tool as an alternative way to create a finish on the foot.

Yew, as I have mentioned before, is one of my favourite timbers. The figuring and colouring that can occur within the wood keep me in a constant state of expectation when I am turning it. The only drawback is that the larger sections of yew that are available usually have bark inclusions or splits. I do not mind these, and think they even add to the attraction. See what you think.

Glossary Rollover a term to view its definition

  • Bowl Gouge
     

    Bowl Gouge

    Bowl Gouge

    A cutting tool with a deep flute and a heavy cross-section. These are normally made from round bars and the flute is milled out. The round bar fits into the handle thus giving the tool a great deal of strength to enable it to overhang the toolrest a long way in order to hollow out deep bowls. Its primary function is for faceplate - or bowl turning - but it can also be used in spindle work. The bevel angle is ground to suit the user but is anything between 40 degrees and 80 degrees. Traditionally, bowl gouges are ground straight across, but many turners prefer to grind the wings back. There are many terms for a swept back bowl gouge - fingernail grind, O'Donnell grind, Irish grind, Ellsworth grind, lady's finger - to name a few. There may be subtle differences in these grinds, but generically they are all bowl gouge grinds where the wings have been ground back.

     
  • Faceplate
     

    Faceplate

    Faceplate

    This is a circular plate that can be screwed to the workpiece and then attached to the headstock's spindle thread. When turning a bowl, the faceplate is screwed to the top of the bowl blank and when mounted on the lathe, enables the outside of the bowl to be turned.

     
  • Parting Tool
     

    Parting Tool

    Parting Tool

    As the picture shows, there are several different types of parting tool - three of which are shown here. On the left is a narrow (3mm) parting tool which is very useful when parting work where the least amount of grain mismatch is desirable, for example when parting the lid from the base in box making. The middle tool is a straight sided, standard parting tool and the one on the right is a diamond parting tool where the widest part of the tool is at the cutting edge. This can be advantageous when cutting deep grooves because it means less of the tool is rubbing on the sides of the groove. Parting tools primary task is to part wood off in spindle work but they are also used to cut tenons or spigots and grooves. They can also be used to cut beads.

     
  • Scraper
     

    Scraper

    Scraper

    As its name suggests, scrapers scrape the wood rather than cut it and generally leave a poorer surface finish on the wood than cutting tools. Unlike cutting tools, do not use the bevel rubbing technique with a scraper. In fact the 'bevel' is really a clearance rake and allows the cutting edge to come to a sharper edge. Sharpen or hone it often and take very light cuts with a scraper. You should get shavings; if you are only getting dust, resharpen it. Scrapers come in all shapes and sizes - square edge, round nosed, French curve, box scrapers and hardwood scrapers. The picture shows a 1/2 inch round nosed scraper.

     

hints

As before, a good size for the base is between 1/3 and 1/2 of the overall diameter. The purpose of the foot is to raise the platter off the surface so that it appears to 'float'

Diagrams Click an image to enlarge

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