Ashanti Brass Beads

brass beads

Introduction

Brass casting in Ghana goes back many centuries and is believed to have been imported from the Arab world through early contact in trade across the Sahara desert. In modern times a major centre of brass bead-making is Krofofrom near Kumasi in the Ashanti Region of Ghana.

The technique can be used to make a variety of products including beads, rings, masks, earrings, necklaces, bracelets, pendants, hangers, drawer handles, decorative pieces and trophies.

The “Lost Wax” Technique

The method for casting brass used by the artisans in the Ashanti Region of Ghana is known as the “lost wax” method. This involves making a cast from beeswax which when heated melts, leaving a cavity which can be filled with molten metal, in this case brass. This technique has been used for centuries by the Ashanti people.

In researching this article we visited a producer of brass products based  in the Ashanti Region. The proprietor and has been in this industry for many decades working with his two sons and a number of apprentices. The art of brass product making has largely remained a traditional skill handed from generation to generation. Apprentices in brass works do come from far and near to learn the trade. The Art Faculty of the Kwame Nkrumah University of Science and Technology in Kumasi collaborates with these local producers mainly through internships, practical assignments, visits by faculty members and research.

He sells his products to buyers both in Ghana and abroad and there is increasing interest abroad for his products and attends exhibitions regularly; such is the quality of his work

Brass Product-Making

The first step in the making of brass products using this method is the creation of a wax model. The wax is softened by placing in warm water and pressed into the mould to create the model and excess wax is cut away. The wax model is carefully taken out of the mould. Finer details of the model can be created by hand using wax.

This then goes through a number of coatings whereby layers of clay, mixed with charcoal are applied to the models in stages. The layers are allowed to dry between coatings.

Before the final coating is applied, wax tubes are inserted into the wax models and brought together at the top to form a hollow vessel which will later be used for pouring of the molten brass.

The final coating of clay and palm fibre is applied and allowed to dry, leaving a hollow at the top as a channel for the brass.

Casting

The moulds are placed in a kiln and heated to melt the wax, then molten metal is poured into the hollow at the top of the mould and through the wax tubes to fill the space created by the melted wax models.

An alternative method of casting is to put the pieces of metal in a vessel under the mould and heat both the metal and the wax at the same time. When the molten metal is obtained the mould can be turned upside down to allow the molten metal to run through the tubes and into the space left by the wax models.

Post-Casting

When the casting process is complete, the moulds are allowed to cool and are broken open to reveal the brass casts. The tubes are cut off the products and can be reused in future casts.  Any rough and unwanted bits can be removed using an electric grinder. The casts are cleaned to remove the black core. The last stage is to wash, polish then and are then ready to be sold and used for a variety of jewellery and other crafts.

Reference

Simak E and Dreibelbis C (2010): African Beads: Jewels of a Continent: Africa Direct

Interviews with brass craftsmen


Examples of Brass Items in our stores:

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