Heating, Pre-heating with Induction Heating

induction heat treating

Improve your heating processes without flame!

Induction heating focuses energy in your part only.

You don't need a torch or a costly batch or furnace process.

Heat all your materials in a repeatable, precise flameless process.


Click to read one of our many heating application notes (after a brief, free registration); learn more about:

Overview

A drilling bit is syaged for preheating prior to a carbide brazing process

This section of the Application Notebook includes general heating applications that don't fall neatly into other process categories. There are many applications for precision heating where only a portion of the part must be heated to allow the correct operation to occur; specific reports in this section of our database cover heating techniques for nitinol, carbon fiber rods, thin copper wire, valve heads and other materials.

utm_medium material docid title blurb regn_link pre-reg link ppc_link ppc_link_2 post-reg link onClick download onClick, View
heating steel heating_69 Preheating steel rods for a welding application Induction does a superior job penetrating the pin when compared to a torch, which is critical to preheating for welding and enables fast heating which can boost production compared to torch heating apps_able.php heating.php     db_heating.html    
heating steel heating_70 Heating a steel ball on a pin for an insertion application While the project is new, the customer wanted the part to be heated to temperature within four seconds, and that was easily achieved and exceeded with the EASYHEAT power supply apps_able.php heating.php     db_heating.html    
heating steel heating_68 Preheating an automotive transaxle (welding) The steel axle was painted with temperature indicating paint and a thermocouple was attached to the part. apps_able.php heating.php     db_heating.html    
heating nickel heating_66 Heat a block of Haynes nickel alloy to test the crack growth rate Testing was conducted to optimize the power delivered to the part. The coil was designed to minimize the voltage potential over the length of the part. apps_able.php heating.php     db_heating.html    
heating steel heating_65 Preheating a steel plate for forging The process achieved a production rate of 100 parts per hour, while a gas furnace produced 83 parts per hour; the process is repeatable and can be integrated into a production process apps_able.php heating.php     db_heating.html    
heating lead heating_64 Welding a lead post within plastic casing Unlike other heating processes, induction is able to weld the post while not melting the plastic casing; the process is repeatable and can be integrated into a production process apps_able.php heating.php     db_heating.html    
heating steel heating_62 Heating Tool-Steel Circular Dies to 400C in 10 minutes Induction heating delivers heat directly into the part, saving energy and time, can be easily integrated with a press, presents a greatly reduced footprint compared with oven, batch, carts apps_able.php heating.php     db_heating.html    
heating steel heating_61 Hardening steel pipe segments (sleeves) Disappointed with low quality levels in a previously outsourced process, the customer uses induction to bring the heat treatment and the control of the end-product quality in-house. apps_able.php heating.php     db_heating.html    
heating steel heating_60 Heating a steel wire for tempering Induction heating delivers heat directly into the wire, saving energy and time, easy integration into production line, improving throughput, precise control of heat and even distribution of heat within the wire apps_able.php heating.php     db_heating.html    
heating aluminum heating_59 Preheating aluminum flanges Induction heating delivers higher quality end product vs. using an open flame convection furnace. Ovens are sensitive to ambient temperature and humidity variations and tend to produce uneven results apps_able.php heating.php     db_heating.html    
heating carbon heating_58 Heating a 4” Tubular Carbon Susceptor to 5400 ºF (3000 ºC) A tubular carbon susceptor is held within an atmospherecontrolled quartz chamber. Induction is used to heat the susceptor apps_able.php heating.php     db_heating.html    
heating aluminum heating_57 Pre-heating aluminum wheels prior to spray painting This spray painting application requires pre-heating the material. Additionally, there is a requirement that the material must not cool below a certain target temperature prior to the spray. apps_able.php heating.php     db_heating.html    
heating inconel heating_56 Heat an Inconel tube for a swaging application A need to increase volume and quality of parts production led to the choice of an induction process over flame. Handling is minimized and continuity is assured with the precision delivery of heating only where required. apps_able.php heating.php     db_heating.html    
heating   heating_55 Heating iron oxide (Fe3O4) nanoparticles in an aqueous solution for research An eight turn helical coil is used to heat the vials. 0.0625 thick insulation is wrapped around the vial and the vial is placed in the coil. The optical temperature probe is inserted into the vial with the base of the probe located in the middle of the coil turns. apps_able.php heating.php     db_heating.html    
heating steel heating_54 Heating a pin assembly to cut holes in a rubberized material Induction heating provides precise and consistent application of heat, consistent and repeatable results, hands-free heating that involves no operator skill for manufacturing apps_able.php heating.php     db_heating.html    
heating molybdenum heating_53 Preheating a molybdenum anode for stress relief A four turn helical pancake coil is used to heat the anode. The area on the anode to be preheated is the weld between the tube and flange. apps_able.php heating.php     db_heating.html    
heating steel heating_52 Heating a steel chain for tempering A twenty turn helical coil is used to heat the chain. The chain is fed through the coil at a rate of 1 meter per minute to reach the desired 1760 ºF (960 ºC) for the tempering process. apps_able.php heating.php     db_heating.html    
heating aluminum heating_51 Heating top of aluminum oxygen tank for end forming Through heating the top 2” (50.8mm) of aluminum oxygen tank to form a rounded end with a hole for oxygen valve apps_able.php heating.php     db_heating.html    
heating steel heating_50 Preheating steel bar stock to forge a hot formed u-bolt A fifteen turn helical coil with ceramic insert is used to preheat the 15” (381 mm) section of steel bar stock. apps_able.php heating.php     db_heating.html    
heating steel heating_49 Heating a steel tie down assembly to loosen steel pin for rotation Induction heating provides precise and accurate placement of heat without affecting surrounding areas, much faster process time, from hours to minutes, repeatable and consistent results and even distribution of heating apps_able.php heating.php     db_heating.html    
heating steel heating_48 Heating a carbon steel plate with a tin coating for flow-melting A nine turn “Dog Bone” style coil is used for the flow-melting process. The tin coated carbon steel plate is placed in the coil for 1.34 seconds to uniformly reflow the tin coating. apps_able.php heating.php     db_heating.html    
heating steel heating_47 Preheat steel for reforming Induction heating provides controllable heat pattern, ease of on site location use, safe, no open flames and even distribution of heating apps_able.php heating.php     db_heating.html    
heating steel heating_46 Preheating steel garden tools for press stamping Induction heating provides hands-free heating that involves no operator skill for manufacturing, configurable heating profiles, faster process times and even distribution of heating apps_able.php heating.php     db_heating.html    
heating lead heating_45 Heating lead battery terminal for removal (recycling) A single turn helical coil is used for this heating application. The lead terminal is placed inside the coil and is heated for 20 seconds. apps_able.php heating.php     db_heating.html    
heating steel heating_44 Heating a steel pipe to transport melted magnesium Induction heating provides controllable and repeatable heat pattern that keeps material in liquid form, the technology is environmentally friendly, delivering even distribution of heating . The movable workhead can be located away from the power supply apps_able.php heating.php     db_heating.html    
heating copper heating_34 Simultaneously heating six wire bundles to strip varnish Induction heating provides hands-free heating that involves no operator skill for manufacturing. A multi-position coil provides simultaneous heating for quicker production times. apps_able.php heating.php     db_heating.html    
heating iron oxide heating_42 Heating magnetic iron oxide in water for hyperthermia application Heating magnetic iron oxide (Fe2O3) in water for hyperthermia application to determine the curve of temperature vs. time during induction heating apps_able.php heating.php     db_heating.html    
heating graphite heating_41 Heating graphite susceptor for glass reflow for X-ray tubes A two turn helical coil is used for heating. Six graphite susceptors are placed in the nitrogen atmosphere with glass discs and a stainless steel holder. apps_able.php heating.php     db_heating.html    
heating steel heating_39 Heating a steel mold for rubber seal vulcanization Induction heating provides repeatable and consistent heat, quicker process time, increased production and even distribution of heating apps_able.php heating.php     db_heating.html    
heating steel heating_38 Heating a steel steam trap for calibration testing To heat a steel steam trap to 212ºF (100ºC) to release steam for calibration testing apps_able.php heating.php     db_heating.html    
heating steel heating_36 Heating threaded area of fastener Induction heating is localized only to the threaded area, decreases production time with a flameless process and delivers even distribution of heating apps_able.php heating.php     db_heating.html    
heating steel heating_35 Heating fastener blanks for thread rolling Induction heating provides faster cycle times and extended tool life with preheat step, fands-free heating that involves no operator skill for manufacturing apps_able.php heating.php     db_heating.html    
heating nnitinol heating_32 Heating a Nitinol spring assembly for shape setting Induction heating provides hands-free heating that involves no operator skill for manufacturing, even distribution of heating along the wire. The wire is heat treated on the winding machine, eliminating a secondary process apps_able.php heating.php     db_heating.html    
heating tantalum heating_31 Research: Heating effects on stainless steel & Tantalum discs A three turn helical coil is used to heat the discs to 1400 ºF (760ºC). apps_able.php heating.php     db_heating.html    
heating   heating_30 Heating solutions in vials for cancer research A four turn helical coil is used to heat the vial for 30 second intervals for five minutes with a temperature reading taken at each interval. apps_able.php heating.php     db_heating.html    
heating steel heating_29 Preheating oil drilling shaft before welding Induction pre-heating prevents shock to shaft which eliminates cracking in the welding phase. Hands-free heating that involves no operator skill for manufacturing. apps_able.php heating.php     db_heating.html    
heating copper powder heating_28 Sintering copper powder to a stainless steel shaft A four-turn helical coil is used to heat the assembly for five minutes. This provides slow, even heat for good penetration through the shell into the powder. apps_able.php heating.php     db_heating.html    
heating steel heating_27 Bonding a Gasket to a Sombrero Nut A multi-turn pancake coil is used to preheat the nut. It is then transported to the next station where it is pressed onto a gasket for bonding apps_able.php heating.php     db_heating.html    
heating   heating_26 Heating a motor prior to adding an injection molded part Induction heating enables quicker process times with increased production rates versus a gas-fired oven. Ovens require long heat-up and cool-down times apps_able.php heating.php     db_heating.html    
heating steel heating_24 Bulk heating a steel part prior to application of rubber molding To preheat two irregularly shaped steel castings to be molded and bonded with synthetic rubber apps_able.php heating.php     db_heating.html    
heating copper heating_23 Heat a braided cable prior to cutting To preheat two irregularly shaped steel castings to be molded and bonded with synthetic rubber apps_able.php heating.php     db_heating.html    
heating   heating_22 Hermetically sealing glass-enclosed resistors Induction heating provides precise, consistent heat to very small parts resulting in repeatable, quality seals. By heating with medium frequency, arcing (which occurs at high frequencies) is avoided. apps_able.php heating.php     db_heating.html    
heating steel heating_21 Induction Tempering a Spring : Energy is applied directly to the springs only; surrounding air and fixturing are not heated. apps_able.php heating.php     db_heating.html    
heating aluminum heating_20 Heating aluminium susceptor for powder expansion Expand powder into solid form for use in crash helmets apps_able.php heating.php     db_heating.html    
heating steel heating_19 Heating steel liners (engine head) Precise direct heat to disengage the aluminium quickly and cleanly. The aluminium casing is recycled and reused thereby reducing scrap and cutting costs. apps_able.php heating.php     db_heating.html    
heating steel heating_18 Conveyor steel plate heating Heat steel plates on conveyor system in order to cook Welsh cakes. apps_able.php heating.php     db_heating.html    
heating steel heating_17 Heat steel pliers handle for bending Precisely heating the desired zone avoids overheating of part. This provides higher quality vs. heating with a torch. apps_able.php heating.php     db_heating.html    
heating steel heating_15 Heat aluminum molds to release baked food products Induction heating is safer than heating with a convection oven. Grease from the molds causes a fire hazard and waste gases in the oven. apps_able.php heating.php     db_heating.html    
heating steel heating_14 Heat twelve steel tubes simultaneously The coil is comprised of two (2) six-position helical coils connected together in parallel to reduce the voltage requirements on the power supply. apps_able.php heating.php     db_heating.html    
heating steel heating_13 Heat automotive seat springs to powder coat Even heating of the spring before dipping provides uniform flow and provides consistent thickness of the nylon coating apps_able.php heating.php     db_heating.html    
heating steel heating_12 Heating of steel rivet ends (turbines) Heating steel rivets prior to head forming apps_able.php heating.php     db_heating.html    
heating steel heating_11 Pre-heating for a Hot-rolling Operation Induction heating provides a much more rapid process compared to cold-rolling; the desired profile is achieved after a few seconds, compared with a few minutes. apps_able.php heating.php     db_heating.html    
heating graphite heating_10 Oxidation of Graphite Anodes Heating carbon graphite anodes to destructively oxidize the parts to process embedded contaminants apps_able.php heating.php     db_heating.html    
heating   heating_9 Heat the end of catalytic converter for weld testing Heat the end of lorry catalytic converter exhaust system. The assembly must be held at target temperature for 200 hours, whilst the assembly is vibrated to test the weld strength apps_able.php heating.php     db_heating.html    
heating copper heating_8 Wire stripping (varnish removal) An eight turn helical coil is used to generate the desired heat pattern. The coil has a 0.62” ID. An individual wire is inserted and heated to burn off the varnish for 5 seconds. apps_able.php heating.php     db_heating.html    
heating steel heating_7 Heating Wire-impregnated Hose for Tube Forming To reach a temperature of around 300 F requires a minimal amount of power. apps_able.php heating.php     db_heating.html    
heating steel heating_6 Wire stripping (heating varnish) Removal of electrical varnish from copper strands of various diameters apps_able.php heating.php     db_heating.html    
heating steel heating_5 Heat setting of Nitinol The Ameritherm system heats the fixture to the set point at the rates specified and the Nitinol wire is shaped as desired within 4 minutes, using less energy and time than traditional oven heating methods. apps_able.php heating.php     db_heating.html    
heating steel heating_4 Heating Copper Wire for Stripping Removal of electrical varnish from copper strands of various diameters apps_able.php heating.php     db_heating.html    
heating steel heating_3 Sintering Powdered Metals for Satellite Positioning System A four turn helical coil is used for the sintering process. Power is applied for thirty minutes under a nitrogen flooding apps_able.php heating.php     db_heating.html    
heating steel heating_2 Heating Eight Steel Rods Simultaneously for a Molding Process Heat eight steel rods simultaneously to 212°F (100°C) for a molding operation. apps_able.php heating.php     db_heating.html    
heating steel heating_1 De-Carburizing Jet Engine Fuel Nozzle Heat a jet engine fuel nozzle to 1400°F (760°C) in order to decarburize it. apps_able.php heating.php     db_heating.html