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Casting / foundry

Aquaflame machines are ideal for use in Investment casting wax rooms for a number of jointing and cleaning up operations. Use of a hydrogen torch allows a cleaner wax assembly leading to a reduction of inclusions in cast parts.

Casting / foundry

AQUAFLAME IN CASTING / FOUNDRY

In foundry and casting departments, Aquaflame Systems oxyhydrogen water torches are primarily used in the investment casting wax room for precision gating and mould preparation.

FOUNDRY & CASTING APPLICATIONS

  • Wax Assembly Clean-Up: It is used to clean up wax pattern assemblies by melting rather than burning the wax. This eliminates the heavy smoke, carbon build-up, and fumes associated with traditional "hot knife" or spatula methods.
  • Reduction of Casting Inclusions: Because the hydrogen flame provides an exceptionally clean heat source, it prevents carbon contamination in the wax room. This results in a cleaner mould and significantly reduces structural inclusions in the final cast components.
  • Precision Jointing: Operators use the micro-flame to construct smooth radial joints on the runner/gating systems. This optimizes metal flow during the pour, eliminates parting lines, and seamlessly fills voids or undercuts.

OPERATIONAL ADVANTAGES OF OXYHYDROGEN CLEAN-UP

Elimination of Carbon Inclusions: Traditional hot knives scorch the wax, embedding microscopic carbon fragments into the runner system. When the ceramic shell is fired, these fragments turn into structural voids or inclusions in the metal. The Aquaflame torch provides an exceptionally clean hydrogen flame, leaving zero carbon residue behind.

Flawless Defect Remediation: Rather than scraping the wax pattern, operators use interchangeable micro-nozzles to effortlessly smooth out mould lines. The precise flame liquefies sticky wax instantly, causing it to flow naturally into pinholes and undercuts for a flawless surface.

Non-Contact Thermal Control: Physical spatulas often apply uneven pressure, flexing or breaking delicate wax assemblies. The gas-generated micro-flame allows operators to seal cones onto runner bars and navigate tight spaces without ever making physical contact with the pattern.

BRANDS THAT TRUST AQUAFLAME

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Castings Wax Assembly Clean Up.

There are currently three machines in the Aquaflame range. The Model 500 is used mainly by single users. The Model 800 is a two man machine whereas the Model 1200 is used in larger manufacturing setups and can support up to 4 users simultaneously. They are all high performance gas-generating units, producing a high temperature precision flame – in the range 1200-3300°C. Using a standard electrical supply, hydrogen and oxygen are produced by the electrolysis of distilled water such that the hydrogen can be burnt in the oxygen to produce a highly controllable and efficient high energy heat source.

APPLICATIONS WITHIN THE CASTINGS INDUSTRY

Cross-Over with the Aerospace Sector

In the aerospace industry, where component structural integrity and flawless metallurgy are critical, Aquaflame equipment supports downstream assembly and electrical infrastructure.

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MACHINES USED IN THE CASTING / FOUNDRY INDUSTRY

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