Tongue and groove

Tongue and groove: groove

In a compound of tongue and groove is in two workpieces each one groove milled. Using a Spring made of wood, which is inserted into the two grooves, the workpieces can be positively joined together. Tongue and groove can, but need not take the entire length or width of a workpiece. This also applies to butt joints, with only elliptical points Biscuit used (see butt joint).

A Spundung is a variant of the tongue-and-groove connection, in which the spring is not inserted separately, but is machined out of a workpiece. The spring is then called bung designated. A shortened bung, which does not run over the entire longitudinal side of a workpiece, can also as a spigot be understood (see slot and pin). The bung is often used in the manufacture of paneling or flooring. A special form of the bung is the bearing edge, in which the sheet pile walls diverge trapezoidal (see also zincing). From one Crimp Connector one speaks when the groove is moved to the edge of the workpiece. As a result, the groove lacks a side surface. Instead of the usual three contact surfaces for a spring only two are available. Therefore, this compound not only glued, but also nailed or screwed.

Materials and tools

  • Screw or clamping clamps
  • Stop angle and strike dimension
  • Sharpener pencil
  • Router or router
  • guide rails

Instructions tongue and groove

Tongue and groove: tongue

Marking the groove with strike size

Marking and milling the groove

With a particularly large stop angle you can have a long Nutriss Mark out. For a groove that is close to a side edge, you can also use a strike size to mark a parallel to the side edge groove.

Tongue and groove: tongue

Tool for the production of grooves

Milling the groove and sawing the spring

If you only want to use hand tools, you should pay attention to two things: one longitudinal groove which runs longitudinally to wood fiber, can be planed with a Nuthobel. A transverse groove On the other hand, it can only be sawn. However, as electrical tools such as a router are usually used today, the distinction is no longer important. Instead, it is important to pay attention to the correct handling of the router. The groove becomes particularly precise when one guide rail used.

Tongue and groove: grooves

Router for the production of grooves

In a tongue and groove joint of two workpieces, each with a groove, a feather needed, whose thickness and width is slightly less than that of the grooves. Ideally, you use a wood that is about one Third of the wood thickness corresponds to the workpieces and only needs to be cut in length and width.

Tongue and groove: grooves

Examples of bouncing

Connecting the parts

After the grooves have been milled and the spring has been cut to size, you can join the parts together. Tongue and groove connections are usually not gluedbecause the dwindling wood would cause the connection to be released again. Instead, for example, screwed or nailed to wall panels. Nonetheless, there is of course exceptions like the laying of laminate flooring or the use of Flat plugs.

Variant: tongue and groove with flat dowels

A tongue and groove joint with flat wood dowels is made analogously to a conventional joint, i. H. there are also here two grooves, which are, however, connected to an elliptically-flowed dowel. This shape corresponds to the slits that most Slotted and flat dowel milling While using the cylindrical wooden dowels To work very precisely to match the diameter and the depth of the holes exactly on the dowel, one is when using plate dowels something more free. You can afford the dowel more room, because the plug swells thanks to the moisture of the glue and fill the groove completely. For anchors of comparable size, another advantage of flat dowels is the larger contact area and the associated greater stability of the connection. Therefore, this type of connection is especially for chipboard suitable, which can not be used due to their material composition for wood compounds such as Überblattung, slot and pin or zincation.

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Video Board: How To Make a Tongue and Groove Joint | Craftsman