Induction Heating

HardLine – Vertical Heat Treatment Machines (VS / VM / VL / VXL)

A range of vertical induction heat treatment machines designed for small to very large components, featuring CNC control, modular design, and high productivity.

Manufactured byENRX
ENRX logo
ENRX vertical induction hardening machine with rotary fixture and CNC control cabinet
HardLine – Vertical Heat Treatment Machines (VS / VM / VL / VXL) from ENRX.
VS–VXL4 sizes: VS, VM, VL, VXL
Up to 600 kgVL workpiece
CNCControl
Overview

Vertical machines from small to very large

HardLine vertical heat treatment machines by ENRX provide highly efficient, reliable, and automated induction hardening for a wide variety of workpieces. these systems reduce capital and operating costs thanks to their versatility, CNC precision, and advanced process control.

The machine types include:

  • VS – Compact models for workpieces up to 300 mm, suitable for small to medium production volumes .
  • VM – The most popular system, supporting components up to 400 kg such as CV joints, camshafts, axle shafts.
  • VL – Designed for large and heavy components up to 2,000 mm and 600 kg, compatible with CNC and robotic handling .
  • VXL – For extremely large and heavy parts. Features reinforced spindle, high-power output carriage, optional mobile spindle for large gears.

All systems are powered by SINAC induction generators, available in serial or parallel compensated versions. Multi-frequency SINAC systems can deliver two frequencies simultaneously for optimal hardening of complex shapes .

Applications

Where vertical HardLine is used

Induction hardening of numerous components including:

ENRX dual-station induction heat treatment system hardening camshafts

ENRX dual-station induction heat treatment system hardening camshafts

ENRX induction heat treatment and quenching of gear flanks for increased wear resistance

ENRX induction heat treatment and quenching of gear flanks for increased wear resistance

Camshafts, CV joints, gears, axle shafts

Large gears, heavy-duty shafts (VL & VXL models)

Components requiring multi-zone heating or complex hardening profiles

Suitable for automotive, heavy machinery, industrial equipment manufacturing.

CamshaftsCV jointsGearsAxle shaftsLarge gearsHeavy machinery
Features

CNC, indexing and options

  • CNC-based control with absolute encoders
  • Automated loading/unloading options for maximum throughput
  • Programmable heating and quenching cycles
  • Indexing tables with static/rotating/single/double station options
  • HF/MF chuck connection enabling multi-frequency operations
  • Double tailstock options for simultaneous processing
  • Curved-disc hardening device for complex geometries
  • Closed-loop cooling system on all models
  • Compatible with robotic handling
Benefits

Lower capital and operating cost

As highlighted in the catalogue:

Reduced capital costs due to multi-purpose machine capability
Lower operating costs via advanced CNC and efficient power sources
Streamlined production suitable for in-line integration
High throughput through programmable cycles and automation
Improved operator productivity with ergonomic interface
Modular design allowing customization without unnecessary cost

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