Sinac® – Stationary Induction Heating Systems
A stationary induction heating system delivering precise, contactless, efficient and repeatable heat for a wide range of industrial applications.
Railway Induction Heating Systems
ENRX provides a full range of induction heating systems purpose-built for railway maintenance and rolling-stock production, induction offers unrivalled accuracy, speed and controllability, making it ideal for tasks such as disassembling and shrink-fitting lock rings and bearings, replacing tyres and wheels, brazing components, straightening rolling stock and welding rails.
Induction heating delivers fast, uniform and localized heating without open flames, reducing risk, preventing shaft damage and minimizing heat exposure to adjacent components. Mobile Minac units allow on-site operations such as shrink-fitting, wheel replacement, Loctite loosening and pre-heating rails. Automated systems can also be integrated for production environments.
- • Localized, uniform, flame-free heating
- • Mobile and stationary induction systems (incl. Minac converters)
- • Adjustable coil designs for different wheel and tyre diameters
- • Programmable ramp-up times, power control and dwell times
- • Supports shrink-fitting, brazing, straightening and rail welding
- • Remote-controlled rail welding for maximum operator safety
- • Fast heating cycles (e.g., wheel removal/fitting in ~10 minutes)
- • Precise temperature control for Loctite release (around 250°C)
- • Safer operation with no open flames, sparks or smoke
- • No mechanical force required for wheel removal
- • Eliminates shaft scratching and reduces risk of component damage
- • Faster turnaround and reduced maintenance downtime
- • High repeatability and reliable heating results
- • Suitable for tunnel work due to minimal emissions
- • Energy-efficient compared to traditional welding/heating methods
- • Reduced need for heavy hydraulic equipment
Railway-specific applications include:
- • Shrink-fitting and removal of lock rings, ball bearings and brake hubs
- • Heating and replacing steel tyres on rims
- • Fitting and removing wheels from axles
- • Releasing Loctite-fastened joints
- • Brazing of copper and other rolling-stock components
- • Induction straightening of chassis and structural parts
- • Rail pre-heating, hardening and in-field welding
- • Safe in-tunnel induction welding operations
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