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close this bookSurface Finish by Dyeing, Staining, Pigmenting, Matting and Polishing - Course: Manual Woodworking Techniques. Instruction Examples for Practical Vocational Training
View the document(introduction...)
View the documentPreliminary Remarks
View the documentInstruction Example 9.1.: Rack
View the documentInstruction Example 9.2.: Staining Test Board
View the documentInstruction Example 9.3.: Corner Shelf Board
View the documentInstruction Example 9.4.: Round Table Board

Instruction Example 9.1.: Rack

Surface finishing of wood pieces by bleaching, dyeing and matting.

Material


Figure

- Prepared rack made from wood poor in tanning agent, with spotty boards

- Bleaching agent solution:

500 gr. - 30 % hydrogen peroxide, 400 gr. water and 100 gr. 10 % ammonia solution

- Dyeing agent:

turpentine oil stain (fat-soluble coal-tar dyes dissolved in oil of turpentine)

- Nitrocellulose matting agent

Tools

Wood scraper with cloth covering, sponge, several vegetable bristle brushes, distributing paintbrushes, linen cloths, hard-bristle brush

Measuring and testing means

Visual inspection (measuring by the eye)

Auxiliary accessories

Earthenware pot, thin cover of foil or cardboard, rubber gloves

Necessary previous knowledge

Fundamentals of manual woodworking

Sequence of operations

Comments

1. Prepare the workplace. Make working available.

Check completeness.

2. Put the prepared rack on a clean support.


3. Apply bleaching agent in wood grain direction to the entire surface of the spotted boards.

Richly apply solution with covered wood scraper several times. Foam must remain.

4. Brush surface with hard brush, then wash throughly with warm water.

Use sponge to wash.

5. Let it dry at ambient temperature for 24 hours.


6. Wetly apply dye with paintbrush to the surfaces and distribute it uniformly.

1 - Cover adjoining board edges (with foil or cardboard) on one side.


2 - Coat vertical surfaces from bottom to top.

7. Let it dry at ambient temperature for 24 hours.


8. Apply highly fluid matting agent to the surface and let it dry.

Use linen cloth.

9. Slightly sand the hardened surfaces, brush them and apply semi-fluid matting agent.

Do not touch the same spot twice.

10. Check finally.



Rack