GTZ Series Intermediate Frequency Quenching Machine | Induction Hardening Equipment for Gears & Shafts | IGBT Surface Hardening System

Introduction:
Precision meets durability with our GTZ Series intermediate frequency quenching machine. Designed for the selective surface hardening of critical components like gears, shafts, camshafts, and tools, this equipment delivers a hard, wear-resistant outer layer while maintaining a tough core. Utilizing advanced IGBT inverter technology and precise PLC control, it ensures optimal hardness depth and minimal distortion, making it an essential induction hardening equipment for automotive, machinery, and tooling industries.

Industry Challenges & Causes

• Problem: Inconsistent Hardening Depth. Variation in hardness patterns leads to premature failure of critical components.

• Cause: Lack of Precise Frequency Selection. Without flexible frequency matching (1-8kHz), heat cannot be accurately localized at the required depth for complex gear profiles or shafts.
• Problem: Excessive Workpiece Distortion. Warping during the quenching process increases secondary grinding costs and scrap rates.
• Cause: Unsynchronized Quenching Logic. A lack of millisecond-level coordination between heating and spray/immersion cycles creates uneven thermal stress.
• Problem: High Energy Consumption & Unreliable Starting.
• Cause: Inefficient Power Supply. Older SCR-based systems exhibit significant power loss and low start success ratios, making them unsuitable for modern automated lines.

Our Solution

• High-Efficiency IGBT Power Supply: Offers a stable 100kW–800kW output with superior conversion efficiency and a near 100% start success ratio, ensuring repeatable results.

• Precise Hardness Management (1.0 - 15.0mm): Advanced frequency selection allows for pinpoint control of the hardening pattern, tailored to anything from small tools to heavy-duty industrial shafts.
• Intelligent Automation: The PLC system supports automated batch processing and is compatible with various quenching machines (vertical, horizontal, or special-purpose).
• Durable & Low Maintenance: Features integrated water cooling and comprehensive protection against over-voltage and over-current, ensuring a long service life in harsh industrial environments.

Technical Parameters Table:

FAQ

• Q: What are the main benefits of IGBT over SCR?

A: IGBT is more energy-efficient, has a faster response time, and offers much higher stability in high-frequency ranges, allowing for thinner and more precise hardening layers.

• Q: Is the system compatible with automated production?

A: Yes. The PLC interface is designed for easy integration with external automated systems and provides comprehensive data for batch tracking.