Historically, tradesmen would purchase irons from a blacksmith and fashion their own bodies. The first documented professional maker of wooden planes was reportedly Thomas Granford in the late-seventeenth century.
Timber is carefully selected for grain direction and seasoning. It is dimensioned and marked out. The mortise is then chopped out and detailed using traditional plane makers tools, and a wedge is cut and made to fit the mortise. The cutting iron is made from steel, and the then the iron and wedge are fitted to the body so they are a perfect match. Depending on the type of plane there may be a handle or additional fences added. The plane is then tested and chamfered and details.
In terms of making individual or very small batches, wooden planes are typically easier and quicker to produce than infill planes, and as such are priced accordingly. Both can be made either using only hand tools or with a mixture of machine tools and hand tools, but it is more advantageous to use engineering machinery for infill planes because of the resistive nature of metal. Industrial planemaking on a larger scale is carried out by casting the body from iron or bronze and subsequent machining operations before a final assembly of all machined components. Very little handwork is involved in this scale.
Some wooden hand planes are made on machinery by splitting the body down into individual components, forming various geometry that make up the planes function before gluing the body back together into a single piece. The better quality wooden hand planes have their internal geometry morticed out from a single solid block using chisels and specialist plane makers edge tools called ‘floats’. This is superior because their inherent strength is not dependant on glue.
Infill planes are called so because of their construction. A metal shell is formed from thin steel, brass or bronze before being ‘infilled’ with an exotic wood, which supports the blade and forms the ergonomics of the tool. These metal plates are joined to one another via dovetails, which are cut either by hand or more typically on the milling machine. When the two sides are jointed to the sole (bottom) the entire shell is permanently fixed by peening the dovetails, a type of cold forging. The wooden infills are held in place by rivets. This method is superior to casting for longevity because if done correctly, hardly any distortion will occur in the shell, whereas a cast body will invariably warp as it seasons over a century or so.
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Status: 30 years ago plane making was nearing extinction but since then there has been more interest in the craft, helped by the internet and a resurgence in the interest of use for hand tools.
Number of trainees: Thomas Flinn & Co has one trainee, although they are not currently specialising in plane making.
Total number of craftspeople: There are two full-time plane makers plus three plane makers at Thomas Flinn & Co which took over the Clifton brand, although they are geared towards industrial factory production. There are also approximately another five or so hobby makers who are capable of practising the craft but do it occasionally for fun in their spare time rather than professionally, The internet has been great at encouraging hobby makers, and knowledge is gladly shared and published to help people make planes.
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