Vertical Induction Hardening Machine for Shafts, Gears & Cylinders

In the dynamic landscape of modern metal heat treatment, the Vertical Induction Hardening Machine emerges as a game-changing solution, redefining efficiency, precision, and reliability for surface hardening processes. Designed to address the evolving demands of industries ranging from automotive and aerospace to heavy machinery and tool manufacturing, this advanced equipment leverages state-of-the-art induction heating technology to deliver consistent, high-quality hardening results—all while optimizing operational workflows and reducing production costs.

Unlike traditional horizontal hardening systems, the vertical configuration of this machine offers unique advantages: it ensures superior stability for long workpieces (such as shafts and axles), minimizes workpiece deformation, and simplifies loading/unloading operations—even for heavy or complex components. By generating localized, rapid heating through electromagnetic induction, the machine targets specific areas of the workpiece (e.g., shaft surfaces) with exceptional accuracy, preserving the ductility of core materials while creating a wear-resistant, high-strength surface layer.

Whether your goal is to enhance component durability, extend product lifespan, or meet strict industry quality standards, this machine stands as a versatile, future-ready investment that elevates your heat treatment capabilities to new heights.


  • ZV 1000
  • ZV 2000
  • ZV 3000
  • ZV 4000

Vertical Induction Hardening Equipment

  • Workpiece length up to 1000 mm
  • Workpiece diameter up to 250 mm
  • Vertical scanning length up to 1200 mm
  • Scanning speed up to 18 m/min
  • Adjustable chuck speed
  • Integrated quenching fume extraction
  • Automatic openable roof
  • Recommended power: 100-150kW
  • PLC + Industrial computer control system
  • User-friendly HMI (Human-Machine Interface)


  • Workpiece length up to 2000 mm
  • Workpiece diameter up to 350 mm
  • Vertical scanning length up to 2200 mm
  • Scanning speed up to 30 m/min
  • Adjustable chuck speed
  • Integrated quenching fume extraction
  • Automatic openable roof
  • Recommended power: 150-250kW
  • PLC + Industrial computer control system
  • User-friendly HMI (Human-Machine Interface)

Vertical Induction Hardening System


Vertical Induction Hardening Machine

  • Workpiece length up to 3000 mm
  • Workpiece diameter up to 350 mm
  • Vertical scanning length up to 3200 mm
  • Scanning speed up to 30 m/min
  • Spindle speed up to 25 rpm
  • Integrated quenching fume extraction
  • Automatic openable roof
  • Recommended power: 200-300kW
  • PLC + Industrial computer control system
  • User-friendly HMI (Human-Machine Interface)


  • Workpiece length up to 4000 mm
  • Workpiece diameter up to 500 mm
  • Vertical scanning length up to 4200 mm
  • Scanning speed up to 30 m/min
  • Horizontal axis speed up to 12 m/min
  • Double chucks (distance 1100 mm)
  • Retractable tailstock
  • Hydraulic self-centering steady rest
  • Adjustable chucks speed
  • Recommended power: 400-500kW
  • PLC + Industrial computer control system
  • User-friendly HMI (Human-Machine Interface)




Power Supply for Induction Heating

IGBT converter series equipped with DSP-based control systems

  • High Digital Advantages:Digital control replaces over 70% of traditional electronic hardware. The software enabling command transmission, parameter regulation, operational control, and system protection delivers higher precision and more sophisticated functions.
  • User-Friendly O&M Design:The integrated keyboard supports rapid and accurate diagnostics, covering the operating status of all electronic components and cooling systems. A series resonant circuits enable automatic tuning and eliminating the need for manual adjustment when replacing inductors.
  • High Adaptability & High Power:With a quality factor (Q-Factor) exceeding 2, it offers strong flexibility, supporting various inductors (both single-coil and multi-coil configurations) while delivering maximum output power.

Core Specifications:

  • Output power ranging from 10 kW to 500 kW
  • Operating frequency spanning from 100 Hz to 100 kHz

Optional Configurations:

  • Dual-output design, supporting manual or automatic switching functionality
  • Frequency switching module (high/medium/low), enabling a standard operating frequency reduction of up to 50%

Standard Equipment for All Models:

  • Supply transformer
  • Chopper voltage regulator integrated with IGBT transistors




Control Systems

A specialized Software Department (SD) is solely responsible for the design and development of complete command and control systems for machines and processes.

  • User-Friendly HMI:The SD focuses on creating intuitive human-machine interface (HMI) software, tailored for unskilled operators to ensure easy operation.
  • Safe Operation:Throughout the design process, the SD prioritizes and guarantees safe operating conditions at all times.

Hardware Options

  • PLC + Operator Panel, suitable for simple applications
  • PLC + Axes Control Unit + Industrial PC, suitable for more complex and advanced machines
  • PLC + CNC, suitable for machines with specific functions or multi-axis interpolation capabilities

Software Options:

  • Programmable logic (PLC) software, always accompanied by comments
  • Human-machine interface (HMI) softwares running on the Windows OS for industrial computers are designed according to machine types with dedicated softwares
  • CNC-based applications utilize the ISO language

Control Levels


Basic Heating energy control and quenching shower flow control
Middle Heating energy control, oscillation frequency, quenching shower flow, and quenchant temperature control
Advanced Heating energy control, voltage control, current control, frequency control, quenching shower flow control, quenchant temperature control, and inductor collision detection
Custom The number of control channels is selected based on the safety level requirements of the process and product.


Hmi

Cooling Systems



GSC Cooling System

GSC systems, designed based on machine power and process type, represent the optimal solution for ensuring proper cooling of electrical components.

A typical GSC system consists of the following components:
  • Stainless steel tank equipped with a minimum level sensor
  • Water-to-water heat exchanger in stainless steel
  • Main cooling pump made of stainless steel
  • Magnetic flow sensors with on-board adjustable alarm set points

Optional Components

  • Automatic shutdown function to reduce industrial water consumption
  • Automatic antifreeze system and automatic anti-condensation system
  • Automatic water conductivity detection system
  • Additional pump for high-pressure inductor feeding





GLT Cooling System

Inappropriate quenching, particularly in hardening processes, often results in suboptimal metallurgical outcomes. Additionally, inadequate filtration of the quenchant mixture constitutes a critical factor that must be addressed to ensure proper machine operation and consistent process results.

The CLT systems, designed based on power supply specifications and process type, serve as the optimal solution for achieving proper workpiece quenching.

A typical CLT system comprises the following components:
  • Stainless steel tank equipped with a level sensor
  • Stainless steel cooling pump
  • Water-to-water heat exchanger in stainless steel
  • Stainless steel shower pump
  • Automatic workpiece temperature stabilization system
  • Automatic filtration system

Optional Components

  • Additional magnetic filtration section
  • Automatic pre-heating system based on a weekly schedule
  • Automatic system for removing suspended oil
  • Automatic quenchant mixture type selection system (applicable when two or more CLT systems are in use)
  • Automatic shutdown function to reduce industrial water consumption


Get in touch right now for solutions meeting your specific needs!


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Shanghai based development and research center
+ 86 193 5216 3931

https://zching.com.cn

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No.189 Jucheng Road, Jiading Shanghai, China

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