Melting FurnacesCharacteristics of cast iron to a large extent depend on the content of harmful impurities and, above all, of sulfur. For modifications to the high-strength nodular cast iron should have a low sulfur content. In cupola furnaces to smel…

2008/08/03

Heating carbon graphite anodes Objective Heating carbon graphite anodes to destructively oxidize the parts to process embedded contaminantsMaterial anodes 2.5 x 2.5 x 4 (63 x 63 x 102) h x w x d in (mm)Temperature 1900 F 1000CFrequency 54 kHzEquipment…

2008/08/03

Forging Inconel Billets Objective To heat inconel billets to 2050F (1121.1C) for a forging process.Material Small inconel billets 0.39” OD, 0.7” length (.99mm OD, 17.8mm length) with ceramic crucible 1.0” OD, 0.7” ID, 1.4” length (25.4mm OD, 17.8…

2008/02/03

Silver Soldering Soldering is the process in which two or more metal items are fused or joined together usually using flux & solder with heat as a catalyst. To solder silver findings to jewellery, such as a catch or pendant to a chain, certain pro…

2008/02/03

Soldering copper wires Objective Soldering two copper wires to pre-installed turrets on a copper buss barMaterial Solder dipped copper/nickel buss bar, 2 tinned stranded copper wires, brazing stickTemperature 446 F (230 C)Frequency 230 kHzEquipment •…

2008/02/03

silver brazing with induction heatingInduction Silver brazing actually uses not pure silver, but instead a silver alloy containing nonferrous metal to bond two pieces of metal together. The process is typically used to join close-fitting parts that re…

2008/02/03

Silver soldering with induction heating A full treatise on silver soldering (otherwise known as hard soldering) would be an extensive document, and all I want to cover here is the basics. A serious job such as constructing a model locomotive boiler re…

2008/02/03

Melting Gold and Silver Everything for Gold and Silver Melting, it used to be that when melting gold, people used a blow torch, then a torch, then an electric melter and then an induction melter. Whatever your choice, we have the torch, the electric m…

2008/02/03

Bin Brazing Pin Brazing forms part of a technology developed in Sweden throughout the latter half of the 20th century by AGA. The purpose, for attaching current carrying cables to what were deemed Sensitive Substrate Materials, or in this case Railroa…

2008/02/03

Fusing the butt joint Objective Fuse elastomer (TPE) tubes together in two ways, as a butt joint and as a overlap joint.Material PeBax tubing 3/16” (4.76) OD, 1/8” (3.18 mm) ID and slightly largerStainless steel Teflon coated mandrel 1/8” (3.18 mm)…

2008/02/03