
Bolt Expansion System
An induction-based system for fast, safe and precise expansion of bolts used in turbines and heavy-duty assemblies.



ENRX Induction’s wire and cable heating solutions provide compact, precise and highly efficient in-line heating for a wide range of materials including ferrous wires, non-ferrous wires, copper and aluminium conductors, and optical fibres. These systems support numerous processes such as forming, forging, galvanizing, coating, heat treatment, drawing, diffusion of metallic coatings, polymer extrusion pre-heating, and drying after cleaning.
Dedicated systems are available for optical fiber manufacture, including fiber drawing, sintering and stretching. Compact wall-mounted power sources allow installation in tight spaces, enabling replacement of older heating technologies.
ENRX also manufactures in-line heating systems for structural wire and cable installations (single or multi-wire), optimized for wide material ranges, diameters and temperatures. For electrical cables and conductors, ENRX offers pre-heaters for coating and extrusion lines, suitable for both new and retrofit installations.
Heating of structural wire, electrical cables, optical fibers and conductors in processes including:
ENRX is a member of the International Wire & Machinery Association (IWMA).

An induction-based system for fast, safe and precise expansion of bolts used in turbines and heavy-duty assemblies.

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High‑productivity, modular horizontal induction heat treatment systems designed for bars and shafts, offering continuous, pusher, and hybrid machine configurations.