HardLine – Industrial Heat Treatment Systems

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ENRX-induction-heating-for-hardening-of-slewing-ring
ENRX-Hardline-Induction-heating-system-for-slewing-ring
ENRX Induction hardening solution
ENRX Induction hardening of shaft 2

HardLine is ENRX Induction’s family of advanced industrial heat treatment systems designed for both surface and through hardening applications. The range includes vertical machines, horizontal centerless systems, rotary table solutions, and fully customized hardening installations. These systems cover a wide variety of components such as gears, camshafts, crankshafts, drive shafts, torsion bars, couplings, rock drills, brake discs, CV joints, shock absorbers, bearings, and many more.

All HardLine machines are powered by ENRX high-efficiency SINAC frequency converters, delivering optimal hardening results and process stability. The systems are engineered for seamless in-line integration, reduced footprint, fast setup, minimal downtime, and high-speed hardening through advanced motion controls, IoT-based diagnostics, and precise metallurgical outcomes.

Custom-engineered systems are a major part of the HardLine offering—ENRX provides specialized laser hardening, drum (Trunnion) systems, and multi-zone hardening/tempering solutions, along with comprehensive global service, simulation support, operator training, and preventive maintenance programs.

  • • Powered by SINAC heat generators for optimal hardening output
  • • Full range of systems: vertical, centerless, rotary table, crankshaft, custom-engineered
  • • High-speed controllers with reaction time down to 1/1000 sec
  • • Modular, scalable designs with small installation footprint
  • • In-line integration capability for high-volume production
  • • Automated handling options: robots, conveyors, walking beams
  • • Quick setup/changeover, easy maintenance and ergonomic design
  • • Multiple hardening and tempering zones available
  • • Global service network and simulation/testing support
  • • Higher productivity with short cycle times and reproducible results
  • • Improved metallurgical quality and reliable hardening depth
  • • Lower downtime thanks to modular components and advanced diagnostics
  • • Reduced operating cost via efficient SINAC converters
  • • Seamless integration into automated production lines
  • • Flexible for virtually all part geometries and production volumes
  • • Backed by global service, maintenance programs, and operator training

Industrial induction hardening of a wide range of components, including:

  • • Gears, camshafts, crankshafts
  • • Drive shafts, torsion bars, axles
  • • Brake discs, steering racks, CV joints
  • • Suspensions, rock drills, couplings, clutches
  • • Inner/outer races, valves, output shafts
  • • Customized parts requiring multi-zone hardening/tempering

Suitable for small to large-scale mass production environments.

Systems are designed to meet industrial safety and quality standards.

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