Steel component undergoing induction hardening using an industrial induction heating solution
Induction Heating
HardLine M – Modular Vertical Hardening Machine
A new-generation modular vertical induction hardening system offering maximum flexibility, Industry 4.0 readiness, and suitability for a wide range of hardening and tempering applications.
Manufactured byENRX
10–320 kWSINAC converters
4–400 kHzFrequency range
ModularVertical machine
IoTIndustry 4.0
Overview
Modular vertical hardening
The HardLine M is a highly flexible modular vertical hardening machine designed for diverse hardening and tempering applications. It supports a wide range of workpiece sizes in weight, length, and diameter, making it ideal for both small-quantity jobs and heavy-duty components.
The HardLine M features advanced PLC-based machine control with real-time monitoring, remote diagnostics, and industry-leading data automation. It is built with high-quality modules ensuring long-term reliability, reduced maintenance requirements, and low operating costs. The machine is also future-ready, supporting Industry 4.0 with IoT connectivity, remote service, augmented reality troubleshooting, real-time data acquisition, and system digitization via optional extension modules.
Numerous machine configurations are available, including single/twin spindle, universal spindle, dual-station systems, and rotary table versions. The system can be used for both ramp-up manual loading and later upgraded to fully automated loading systems as production volumes increase.
Applications
Where HardLine M is used
Suitable for a wide range of induction hardening and tempering operations for components of various sizes. Applications include:
Automotive components (shafts, gears, axles, CV joints)
Heavy-duty industrial parts (large shafts, thick components)
Small precision components requiring accurate heat profiles
Multi-part production via rotary table configurations
It is designed as an all-rounder for industries requiring flexible, scalable, and high-efficiency heat treatment systems.
Features
Stations, control and modules
- Modular architecture supporting multiple hardening stations (single, twin, universal, rotary table)
- PLC-based control system with real-time monitoring and advanced diagnostics
- Fast scanning speeds and low-tolerance positioning for high productivity
- Industry 4.0 functions: IoT connectivity, real-time data, remote service, augmented reality
- Extension modules: database logging, energy management, inductor lifetime monitoring, preventive maintenance
- Wide compatibility with SINAC converters (10–320 kW, 4–400 kHz)
- Ergonomic design with easy access to sensors, NC motors, cooling circuits
- Compatible with customized inductors, showers, multi-zone hardening tools
- Modular cooling systems: M-RC (cooling water) and M-RQ (quenchant cooling)
Benefits
Scale from manual to automated
Lower capital investment due to modularity and flexible configuration
Reduced operating cost via efficient converters and optimized energy use
Remote support and diagnostics reduce downtime
Enhanced productivity through automation and real-time data insights
Easy maintenance with improved component accessibility
Ability to scale from manual to fully automated production lines
Suitable for both heavy components and small part batches
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