Japanese tenon
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A Japanese tenon splices two parts end to end: a narrow neck, then a head that holds the other part once it is dropped into its Japanese mortise, often over a lap that carries the load.
When to use it
Section titled “When to use it”Use it to lengthen a plate or a purlin where a scarf would be too long, or where the joint should lock without pegs. Put a Japanese mortise with the same numbers on the end of the other part.
Fields
Section titled “Fields”| Veld | Eenheid | Bereik of opties | Standaard | Wat het verandert |
|---|---|---|---|---|
| End | Start, End | End | ||
| Shoulder (x) | mm | from 0 | 2900 | |
| Centre Y | mm | from 0 | 60 | |
| Neck width | mm | from 1 | 40 | |
| Neck length | mm | from 0 | 50 | |
| Head width at the neck | mm | from 1 | 60 | |
| Head length | mm | from 0 | 50 | |
| Head width at its end | mm | from 1 | 40 | |
| Taper | ° | 0 to 30 | 10 | How much the sides taper across the section, 0 to 30 degrees. |
| Flat bottom | mm | from 0 | 0 | |
| Lap height | mm | from 0 | 30 | How high the lap's top lies above the opposite face. |
| Above the lap | mm | from 0 | 10 | How far the bottom of the joint lies above the lap. |
| Lap | on | |||
| Lap length | mm | from 0 | 20 | |
| Face | Top, Bottom, Front, Back | Top | The side of the part the processing is on. |
Default: what Add fills in on a 3000 mm part of 120 x 120 mm.
Add a Japanese tenon
Section titled “Add a Japanese tenon”- Select the part in the Parts list.
- Under Extra processings, click Add.
- Type
japanesein the search field and pick Japanese tenon. - Set Face, End, Shoulder (x) and Centre Y.
- Set the neck, the head, the taper and the lap.
- Check that the part shows a green check. If not, open the Issues tab.
Machine export
Section titled “Machine export”BTLx writes every field and the export notes that it rests on the BTLx manual alone. BVN writes operation 1710 in the shop’s test pack only; that operation carries one width, so the rest of the shape is the machine’s tool. BVX and BTL have no element for it: the export lists it as a machining loss.
| Format | Status | Details |
|---|---|---|
| BTLx | Partly supported | JapaneseTenon with every field, read back on import. Written from the BTLx manual alone, so the export notes that without blocking. |
| BVN (Hundegger) | Partly supported | Experimental, included with a warning unless you leave it out: operation 1710, which carries one width, the taper, the flat bottom, the offset and the lap; the rest of the shape is the machine's tool. |
| BVX2 (Hundegger) | Not written | No BVX element for a Japanese tenon is known: it is listed as a machining loss. |
| BTL 10.6 | Not written | BTL has no Japanese tenon process: it is left out with a loss. |
BTL status describes what the specification can represent. CAMBIUM imported our earlier BTL test files; confirmation applies to the tested forms and build. See BTL coverage for representation and receiver caveats.