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What are the characteristics of tenon and mortise technology?
Mortise and tenon is the main structural mode of ancient buildings, furniture and other appliances in China, and it is the connection mode of combining concave and convex parts on two components. The protruding part is called tenon (or tenon); The concave part is called mortise (or mortise).
The "tenon-mortise" connection mode of all parts of China furniture is the main structural mode of furniture modeling. Various tenons and mortises have different practices and different scope of application, but they have the function of "joint" in every piece of furniture.
If tenons and mortises are used properly, the two wood structures can be tightly fixed together to achieve a "seamless" degree. It is a basic skill that ancient carpenters must have, and the level of craftsmanship can be clearly reflected through the tenon-mortise structure.
Extended data
Technical requirements of traditional tenon-mortise structure;
The thickness of tenon is 0. 1-0.2 mm smaller than the width of mortise. When the thickness of tenon is larger than the width of mortise, the glue will be lost due to extrusion, and the bonding strength will be reduced, so that mortise is easy to crack during assembly. The tenon width is 0.5- 1mm larger than the mortise length, and the hard material is 0.5mm and the soft material is 1mm.. The length of tenon is 2-3mm smaller than the depth of mortise and more than half the thickness of mortise.
Right-angle tenon thickness: the single tenon is close to 0.4-0.5 of the previous thickness, and the total thickness of double tenons should also be close to this value. The ends of tenons are usually chamfered to facilitate insertion into mortises. If the cross section of the part exceeds 40mm×40mm, double tenons should be used.
The tenon joint adopts bottom hole, and the thickness of tenon should be adjusted to the same size as the square drill. Commonly used thicknesses are 6mm, 8mm, 9.5mm, 12mm, 13mm and 15mm.
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