Induction annealing brass wire

Objective Continuously anneal a brass wire used in electric motors at a rate of 16.4 yds (15m) per minute to eliminate work hardening caused during the drawing process. Material Square copper wire 0.06” (1.7mm) dia., temperature indicating paint Tempera…

Induction annealing aluminum lip

Objective Annealing a 1” lip on aluminum cryogenic dewar that has been work hardened during the process of spin forming. Material Aluminum dewar, lip has a 3.24” (82.3mm) ID and is 0.05” (1.3mm) thick Temperature 800 F (427 C) Frequency 303 kHz Equi…

Induction annealing steel wire

Objective To heat 3” (76.2mm) from the end of the wire on a woven wire cloth 60” (1.52m) long. This prepares the wire mesh for bending in a press brake. Material Woven wire cloth (steel) made of 1/2” (12.7) diameter wire, 60” (1.52m) long. Wires are 1…

Induction annealing copper tubing

Objective To heat both ends of a copper tube to anneal as soft as possible 1.5” (38.1mm) from end and retain full hardness next to anneal Material 1.625” (41.275mm) dia x 24” (609.6mm) long copper tube Temperature 1500 F (815.5 C) Frequency 70 kHz E…

Induction annealing brass crimping

Objective To anneal a small area of an electrical contact for crimpingMaterial Brass female spade electrical contact with single transverse loop at end 0.5h(12.7mm) long, 0.25h(6.3mm) wide and 0.03h (0.8mm) thick, 1000oF (538oC)heat paintTemperature …

Induction annealing steel shaft

Objective Heating a steel rod to 1200F (649C) for an annealing, stress relief application Material 1.062” (26.97mm) dia type T-410 stainless steel bar 6’ (1.82m) long & 1.25” (31.75mm) dia T-416 stainless steel bar 6’ (1.82m) long Temperature 120…

electromagnetic Induction and the joule effect

Induction Heating has the important characteristic that the heat is generated in the material to be heated itself. Principle of induction heatingBecause of this, induction has a number of intrinsic trumps, such as a very quick response and a good effici…

Induction annealing locknuts

Objective To heat locknuts to 2150F (1176C) for annealingMaterial Waspaloy locknutTemperature 2150F (1176C)Frequency 382 kHzEquipment • UM-10AB-UHF induction heating system, equipped with a remote workhead containing one 0.66μF capacitor.• An induction …

Induction annealing metal stamp sets

Objective Heat the opposite end of a metal stamp so that it mushrooms instead of cracks/splits when struck by a hammer.Material S-7 steel of varying rectangular cross sectional sizesTemperature 1400-1800 F (760-982) CFrequency 204-165 kHzEquipment 25 kW, i…

Induction annealing saw blades

Objective Anneal saw blades used for cutting bread, prior to hole punching.Material .38” (9.6mm) wide and .51” (12.9mm) wide continuous strips of 400 series stainless steel.Temperature 600C (315.6F) for one secondFrequency 229kHzEquipment • UIHM 6 kW i…