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Gamelan Bronze Keys: Ten Parts Copper, Three Parts Tin, Cast and Forged
Culturehistory (Wikimedia Commons) · CC BY-SA 4.0
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Gamelan Bronze Keys: Ten Parts Copper, Three Parts Tin, Cast and Forged

The keys of a saron are bronze bars. Javanese makers give the best gamelan bronze as ten parts copper to three parts tin, melted in a clay bowl (kowi), poured to a blade shape, forged with many kinds of hammer blows, checked, then tuned to the set's scale (Wikipedia, Gamelan production). Charge size, mould and tuning method are ours. The picture: new saron keys on their frame (Wikimedia Commons).
Osezingeni eliphezulu
3 days

Imiyalelo

1

Weigh ten to three

For six keys weigh 1 kg of copper and 300 g of tin: ten parts copper to three parts tin.

Izinto zokwakha zalesi sinyathelo:

Isigaxa SethusiIsigaxa Sethusi1000 g
Ingqimba ye-tinIngqimba ye-tin300 g

Amathuluzi adingekayo:

Isikali Sedijithali SasekhishiniIsikali Sedijithali Sasekhishini
2

Melt in the clay crucible

Melt the copper in a clay crucible in the furnace under a strong blast, then add the tin and stir it in.

Izinto zokwakha zalesi sinyathelo:

AmalahleAmalahle1 as required

Amathuluzi adingekayo:

Imbiza Yobumba EjulileImbiza Yobumba Ejulile
Iziko lezitiniIziko lezitini
Umfutho WomoyaUmfutho Womoya
Udlawu Lwesitsha SokuncibilikisaUdlawu Lwesitsha Sokuncibilikisa
Amagilavu okushiselaAmagilavu okushisela
Ipheshana LesikhumbaIpheshana Lesikhumba
Isivikelo SobusoIsivikelo Sobuso
3

Pour the blades

Pour into an open iron mould to blade-shaped bars, a little longer and thicker than the finished keys. Let them cool.

Amathuluzi adingekayo:

Udlawu Lwesitsha SokuncibilikisaUdlawu Lwesitsha Sokuncibilikisa
Isikhunta sokuthela insimbiIsikhunta sokuthela insimbi
Amagilavu okushiselaAmagilavu okushisela
Ipheshana LesikhumbaIpheshana Lesikhumba
Isivikelo SobusoIsivikelo Sobuso
4

Forge

Forge each bar to shape on the anvil with a range of hammer blows, working it even along its length.

Amathuluzi adingekayo:

Iziko lomkhandi wensimbiIziko lomkhandi wensimbi
Insimbi YokukhandelaInsimbi Yokukhandela
Isando esinekhanda elimise okwesikhonkwaneIsando esinekhanda elimise okwesikhonkwane
Udlawu lomkhandi wensimbiUdlawu lomkhandi wensimbi
Amagilavu okushiselaAmagilavu okushisela
Ipheshana LesikhumbaIpheshana Lesikhumba
Isivikelo SobusoIsivikelo Sobuso
5

Check and tune

Check each key for cracks. Strike it on soft supports and read its note on the tuner. Grind the ends to raise the note; thin the underside at the middle to lower it. Work in small steps until each key sits on its note.

Amathuluzi adingekayo:

I-chromatic tuner ne-metronome (eqhotshwayo)I-chromatic tuner ne-metronome (eqhotshwayo)
I-angle grinderI-angle grinder
Iqoqo LamafayelaIqoqo Lamafayela
Isivikelo SobusoIsivikelo Sobuso

Izinto

3

Amathuluzi Adingekayo

16

Le blueprint yenza

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Isibambeli

Ibha yebhronzi (ucezu lwe-metallophone)

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Ama-blueprint ahlobene

Lama-blueprint abelana ngolwazi — amasu, izinto noma izimiso

Tin Bronze Ingots, Wire and Rod

Tin Bronze Ingots, Wire and Rod

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Umsebenzi Wensimbi

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Building a Saron — A Gamelan Metallophone of Tuned Bronze Bars

Building a Saron — A Gamelan Metallophone of Tuned Bronze Bars

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Umsebenzi Wensimbi

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