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Embossed work on pitch

Embossed work on pitch

EMBOSSING WITH TAR

SPECIFIC COURSE FOR ART OBJECTS AND JEWELLERY

MATERIALS GIVEN BY THE SCHOOL FOR THIS COURSE:

• Embossing board (steel semi-sphere filled with tar component and base ring).

• Steel to forge chisels.

• Hammers to emboss.

• Sheet made of iron-plates, copper-plates and brass-plates.

• Bulk for the finishing of chisels.

• Grinders for finishing and polishing treatments.

• Use of forges, anvils, hammers and carbon for the realisation of chisels.

SUBJECTS OF THE THEORETICAL PART:

• Explanation and illustration of the tools used for the course.

• Explanation of how chisels are built and what kind of steels can be used for them.

• Grinding and polishing of the chisels’ mould.

• Quenching and tempering of chisels.

• Use of chisels.

DRAWINGS AND MATERIALS TO USE FOR THE EMBOSSING PROCESS

• Drawing of the bas relief on a 1:1 scale.

• Choice and sizing of the material used.

• Copy of the drawing with carbon paper on the metal sheet.

PRACTICAL PHASE

• Forging of certain chisels that will be used in relation to the chosen design.

• How to fix and detach the metal sheet on and from the embossing board.

• Tension annealing.

• Cleaning and polishing.

• Preservation treatment.

MATERIALS GIVEN BY CLAUDIO BOTTERO FOR A TOTAL OF SIX/EIGHT STUDENTS. FOR FURTHER

INFORMATION ABOUT THE CONTENTS OF THE COURSE WRITE TO: CLAUDIOBOTTERO@LIBERO.IT THE

COURSE WILL LAST 3 DAYS.