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The SOLO solutionMachining and adjustment of the various ele-ments to final readings, then brazing under pro-tective atmosphere* in SOLO-111 with portableloading muffle of the hub and the blades with cor-rosion resistant brazing solder.

ProblemTreatment of a stainless steel 1818 propeller oflow inertia, (thin walls) employed at high tempera-ture and rotation speeds in corrosive surround-ings.

Brazing of machine parts

The SOLO solutionIntermediary annealing under protective atmos-phere* between the various machining opera-tions, followed by hardening in the same furnace-line; SOLO furnace types 111, 161, with portableloading muffle.

ResultsThe heat treated parts are bright.

* Protective gas : NHs cracked by SOLO-64ô gas generatoror synthesis gas in OOttles. (N2, H2, H2+N2 •••etc)

ResultsParts free from oxidation and optimal brazedjoining.

Hardening of tools

ProblemHardening and intermediary annealing, withoutdistortion, or surface alteration, of stamping pun-ches and dies for the small mechanics, watch andjewellery industries....

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Magnetic annealing

ProblemMagnetic annealing of metal sheets for manufac-ture of electro-magnetic devices.

ResultsOptimal magnetic characteristics, parts free fromoxidation.

The SOLO solutionTreatment under protective atmosphere with re-gulated thermie cycle programmed by electronicprogrammer in a SOLO furnace, type 111, withportable loading muffle.

The SOLO solutionTooi casting, followed by sintering treatment un-der protective atmosphere* in a SOLO furnace,type 111 with portable loading muffle, then acce-lerated cooling under protective atmosphere* in acooling station type SOLO-570.

• Protective gas : NH3 cracked by SOLO-646 gas generatoror synthesis gas in bottles. (N2,H2,H2+N2 ••. etc.)

Results

Excellent dimensional stability and correct sinter-ing results due to temperature homogeneity du-ring the heat treatment cycle.

Sintering

Problem

Manufacture of tools partially sintered, used torectify grinding wheels, milling tools, etc. Dia-mond sintering in a bronze or copper-silver alloy-ed matrix upon a steel tool.

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Hardening of surgical instruments and toolsin stainless steel

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* Proteetive gas : NHs cracked by SOL0-646 gas gene-rator or synthesis gas in bottles (N2,H2,H2+N2 •••etc.)

Results

The parts are bright with excellent hardnesshomogeneity.

ProblemPrecipitation hardening of parts made of Cu-Be

The SOLO-SolutionHeat treatment under protective atmosphere(cracked ammonia) in furnace SOlO-221.

ResultsParts free from oxidation.Metallurgical structure: Martensite-Carbides

Cu-Be parts for the electrical andelectronic industry

The SOLO solutionAustenitizing under protective atmosphere* inSOLO furnace, type 111, with portable loadingmuffle, then accelerated cooling in a cooling sta-tion, type SOlO-570.

ProblemHardening of parts in alloyed steel and steels with13% Cr.

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Bright annealing for deep-drawing parts, tools,wires and strips. Parts for conveyor means,electronic and watch components.

SOLO-221/208/215/220

SOLO-322/327 /371/372

SOLO-202/203

•

SOLO 115 abc ...

Continuous conveyor furnaces for parts in bulk,adapted to various industrial branches.

Multi-purpose bell-type furnace-line, composedof modular elements, semi or fully automatic. Forthe metal working industry and commercial heattreaters.

Furnace-line for treatment of parts for the tool, machine,electronic and metalware industries.

Modern heat treatment furnace-linesunder protective atmosphere

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