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Clamping Caul: Plain Pine Board Shaped to the Work (Adamson, 1889)
A caul is a board laid over glued work so the clamps press evenly over the whole surface instead of only under their jaws. D. Adamson (1889) uses a piece of good sound pine about 1 in. thick, shaped exactly to fit the surface: flat for a flat panel, convex for a concave one.
For veneering he warms it first. Wood can warp or twist, and burns if overheated; a zinc-faced caul (separate blueprint) lasts longer.
Source: D. Adamson, "Practical Veneering", Work, 5 October 1889, pp. 453-455.
Baguhan
Unknown
Mga Tagubilin
1
1
Read Adamson
Read Adamson
"The caul itself is either wood or metal, either of which must be shaped exactly to fit the surface to be veneered. Thus for a flat panel it must be flat, while for a concave surface it must be convex, and so on. ... For the material nothing is more suitable than good sound pine."
2
2
Cut the board
Cut the board
Cut a piece of good sound pine about 1 in. thick, large enough to cover the whole surface to be pressed. Thicker is no better, only waste. The length and width are set by the work (not given).
Mga materyales para sa hakbang na ito:
Tablang pino1 about 1 in. thickMga kailangang kasangkapan:
Lagaring pangkarpintero
Hindi alam na sukat3
3
Shape it to the work
Shape it to the work
Plane the face that meets the work to fit it exactly: flat for a flat panel, convex for a concave surface. A caul that is hollow in the middle presses only at the edges. How it is trued is not given (ours: plane, checked with a straightedge).
Mga kailangang kasangkapan:
Katam
Panuwid4
4
Use it
Use it
Warm the caul (not so hot that it cannot be comfortably handled), lay it over the veneer with a sheet of slightly greased paper between, and screw down the hand-screws evenly until the glue oozes out at the edges. Leave it until the caul is cold, an hour or two.
Mga kailangang kasangkapan:
Mga clampMga Materyales
1- 1 about 1 in. thickPlaceholder
Ang blueprint na ito ay gumagawa ng
CC0 Pampublikong Domain
Ang blueprint na ito ay inilabas sa ilalim ng CC0. Malaya kang kumopya, magbago, mamahagi, at gumamit nang walang pahintulot.
Suportahan ang Maker sa pamamagitan ng pagbili ng mga produkto sa kanilang Blueprint Komisyon ng Maker itinakda ng mga Vendor, o lumikha ng bagong bersyon ng Blueprint na ito at isama bilang koneksyon sa iyong Blueprint upang ibahagi ang kita.