Sep 12, 2023 12:21
9 mos ago
40 viewers *
French term

coulée

French to English Tech/Engineering Metallurgy / Casting Manufacture of balance springs
About the process of making balance springs for watch movements.

Société X fabrique des spiraux à partir de coulées de 3 kilos.


The next paragraph indicates that the resulting wire is then sent to a second site, to be drawn and made into balance springs.


Thank you.
Proposed translations (English)
4 +5 heat, melt, batch
4 casting or batch

Discussion

Schtroumpf Sep 14, 2023:
Absolument pas Monsieur Gleim, vous n'avez pas cerné le problème une fois de plus. Ici, le terme recherché était celui-ci :
https://www.btb.termiumplus.gc.ca/tpv2alpha/alpha-fra.html?l...
Fiche 11 2000-10-31
Foundry Practice

heat [...] correct, nom
DEF A stated tonnage of metal obtained from a period of continuous melting in a cupola or furnace, or the melting period required to handle this tonnage.
PHR Frequency of heats.
Français
Domaine Fonderie

coulée
correct, nom féminin

DEF Masse de métal provenant d'une même élaboration.
PHR Fréquence des coulées.

Si votre degré de maîtrise du domaine et des deux langues en question vous induit en erreur, cela n'avance personne que vous insistez lourdement contre toute évidence.
Johannes Gleim Sep 13, 2023:
@ Schtroumpf "casting" is correct. It is a substantive verb and denotes a process. I am therefore quoting here from Collins Cobuild English Grammar:
1.78 You often want to refer to an action, activity, or process in a general way. When you do, you can use a noun which has the same form as the present participle of a verb. These nouns are called different things in different grammars: gerunds, verbal nouns, or 'ing' forms.
Examples:
Eating, unlike fighting is a pursuit, in which both sexes freely indulge.
… loss of hearing in one ear
… Only 6 per cent of children receive any further training when they leave school.
I am sure you are familiar with this usage.
In the given context, the -ing form fits in well, see below:
Johannes Gleim Sep 13, 2023:
Le terme « couler » désigne normalement un processus :
couler (fonderie) / pour, pour out
faire couler la fonte / tap the pi giron
faire en chute (sidér) / top-cast, pour from the top
couler par injection / injection-mould
faire couler dans une moule / cast in a mould

Et par « coulée », le résultat de ce processus :
coulée (fonderie) / pouring, fusion, melting, smelting,
coulée (sidér) / melting charge
coulees (contenu d’un four, sidér) / mouth of the ingot mould, funnel
faire la coulee (sidér) / stroke, tap or open the furnace.
faire coquille / casting in iron moulds, chilling
(Dictionnaire Général de la Technique Industrielle)

En ce sens, le terme « coulée » n'est pas utilisé correctement, car il s'agit de la charge ou la masse fondue.
Sandra Petch (asker) Sep 12, 2023:
Thanks Emmanuella. Termium also points us to "casts" then, as suggested by Phil. "Three-kilogram casts"?
Sandra Petch (asker) Sep 12, 2023:
Thanks Phil. A Wiki search turned up casts but I don't know if it's the correct term. Hoping some metal experts will jump in here!
philgoddard Sep 12, 2023:
I assume it refers to the quantity of molten metal.
Casts? Melts?
Sandra Petch (asker) Sep 12, 2023:
Currently I have "liquid metal" as a possibility.

Proposed translations

+5
5 hrs
Selected

heat, melt, batch

These terms are readily associated with large steel plants where each heat/melt/batch could be a hundred tons (US - the 200,000 lbs referred to below is 100 US tons) (90 tonnes). Even the figure of 10,000 lbs below is 4.5 tonnes. That would be a lot of watches.

Do you know in your case if the quantities are much, much, much smaller, of the order of the 3kg mentioned? If so, they same words could be used.

I imagine this is the case, for I have difficulty imagining people making the effort to pour off 3kg from a heavy-industry heat, even if the grade of steel used for watchmaking is produced in industrial quantities, which I doubt somewhat.

Heat
A batch of refined steel. A basic oxygen or electric furnace full of steel. One heat of steel will be used to cast several slabs, blooms or billets.
https://walcokip.com/resources/steel-industry-glossary/

Heat A lot of steel produced by a furnace with one chemical composition. Steel melting is a batch process and each batch is a heat. Also known as a melt of steel. In austenitic stainless steels a heat is typically about 200,000 pounds of material, and will yield approximately 8 coils of 25,000 pounds each. Nickel base materials are typically melted in heats of 10,000 to 50,000 pounds, yielding 2 to 5 coils of 5,000 to 25,000 pounds each.
http://www.domerama.com/dome-basics/steel-glossary/
Peer comment(s):

agree philgoddard
52 mins
agree Kim Metzger
4 hrs
agree Schtroumpf
13 hrs
agree Bashiqa
16 hrs
agree Daryo : batch
1 day 2 hrs
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4 KudoZ points awarded for this answer. Comment: "Thank you. I went with "three-kilo heats". Small amount as used to produce balance springs (the balance wheel and spring regulate the watch movement). Apparently, 800 grams of alloy is sufficient for 50,000 springs!"
7 hrs

casting or batch

The patent found by Emmanuella gives a good description of the manufacture of a balance spring from a lingot, in this case by melting a batch of alloy in a melting furnace.

A self-compensating spring for a balance-spring for a balance-spring/balance assembly of a mechanical oscillator of a horological movement or of any other precision instrument, made of a paramagnetic Nb--Zr alloy containing between 5% and 25% by weight of Zr, obtained by cold rolling or cold drawing, …
:
The Nb--Zn alloy is cast under extreme vacuum in an electron beam melting furnace The bars obtained are then sheathed, for example in a sheath made of an alloy of copper, nickel or stainless steel, using a customary procedure for this type of Nb--Zr alloy, to keep the alloy out of contact with oxygen. These bars are then cold laminated or cold drawn to a diameter comprised between 0.05 and 1.5 mm, with intermediate annealing operations if needed.
:
After the oxygen doping operation, the wire is cold formed into a cross-sectional shape corresponding to that of a balance-spring. This wire is then wound into a spiral shape, then heat treated to define its shape by creep and to adjust the TCY to the required value as a function of the type of alloy, according to the above-mentioned specifications.
https://patents.google.com/patent/US5881026A/en

HiProSystems control is used when more than two process-dependent functions, such as exhaust dampers, cooling fans, automatic movements, etc., have to be handled during a cycle; when furnaces with more than one zone have to be controlled; when special documentation of each batch is required and when remote telediagnostics service is required.
https://www.nabertherm-furnaces.com/melting-furnace.htm

Melting Furnace For 1kg Gold Up To Max. 1100 ° C + Graphite Crucible + Tongs
This furnace is a simple and safe device for melting and casting gold, silver and other non-ferrous metals. It enables perfect control of the temperature up to max. 1120 ° C, simple operation and programming using the analog temperature controller. The insulated lid keeps the heat inside and the oxygen from outside to allow a clean melt.

Features
• Capacity: 1 kg of gold or silver
https://www.uhrmacherwerkzeuge.com/Melting-Furnace-For-1kg-G...

Melting Furnace For 3kg Gold Up To Max. 1100°C + Accessories
https://www.uhrmacherwerkzeuge.com/epages/62662707.sf/en_GB/...

Based on the required batch size, we offer different types of melting furnaces – adapted to the respective application.
Basic data
• Manually tiltable melting furnace for batches of up to 5 kg
https://www.itg-induktion.de/en/induction-systems/induction-...

The earliest known crucibles were found in Eastern Europe and Iran, dating back to 6000 B.C. The metalworking process almost always begins with the casting or reshaping of metals using a crucible, and the original techniques remain largely unchanged from the last 8,000 years. Today, modern crucibles are commonly used in laboratories used to melt or burn solid chemicals over a burner.
:
Ceramic crucible
Ceramic crucibles are made from kiln-fired clay and are stable at high temperatures. They have been used in metalworking for over 7000 years. Modern ceramic crucibles are often manufactured with clay and graphite to ensure durability.
Clay graphite crucible
Graphite crucibles are primarily used to cast both non-ferrous and ferrous metals because they are non-reactive and able to withstand extremely high temperatures.
https://www.thecrucible.org/what-is-a-crucible/

The furnace can be a continuous belt furnace or a chamber furnace which is operated in batch operation
https://www.linn-high-therm.de/fileadmin/user_upload/pages/a...

Casting
Pour GQ MatalliCast NP in a clean and preheated ceramic crucible.
Each alloy must have its own specific crucible, do not preheat the alloy and do not use flux
:
Induction casting
Start casting when the alloy is close to breaking up the oxide layer.
Casting with burner
Place the alloy in the preheated ceramic crucible and heat it up with circular movements. When the alloy is melted, operate the centrifuge.
https://www.goldquadrat.de/userdata/filegallery/original/503...

Die casting mold
Metallic permanent mold for the production of die castings using a die casting machine. The die casting mold contains the mold cavity, i.e. the space which forms the contours and dimensions of the castings. The liquid die casting alloy is fed in via channels which is called the gating system.
https://www.giessereilexikon.com/en/search/Encyclopedia/?tx_...

Context translation: Company X manufactures balance springs from 3-kilo castings.
Or: Company X produces balance springs from 3-kilo batches.
Note from asker:
Thank you for your help.
Peer comment(s):

neutral Schtroumpf : Batch : déjà proposé plus tôt. Casting : la plupart des occurences citées ne correspondent pas grammaticalement (participes présents, tout bêtement).
10 hrs
Je préfère « casting ». Les coquilles éventuelles ne sont pas de mon fait. Seul le contenu factuel des références est essentiel.
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