For engineers managing turbine outages, refinery maintenance, and heavy equipment overhauls, controlled bolt expansion can make demanding bolting jobs easier.
An alternating current flows through an induction coil, creating a changing magnetic field. That field induces electrical currents within the bolt. The metal’s electrical resistance converts those currents into heat.
For hollow bolts and studs, an induction wand placed inside the bore delivers localized heating. As the bolt expands, crews can loosen nuts or tighten them according to the specified bolting procedure.
Why engineers use it:
🔩 Controlled heating for large industrial bolts
⚡ Rapid thermal expansion to support efficient maintenance
🔥 No open flame
🎯 Localized heat that helps limit heating of nearby components
Thermo International’s portable induction heating systems help crews tackle assembly, disassembly and maintenance across power plants, oil and gas refineries, and heavy industry.
Send us your bolt dimensions, material and application. We’ll help match the machine and inductors to your job.
📞 973-970-9500
🌐 ThermoInternational.com
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