Continuous Hardening And Tempering Furnace

High-Performance Continuous Hardening And Tempering Furnace - Precision Heat Treatment Solution for Mass Production

JIANGSU YINUO THERMAL ENERGY TECHNOLOGY CO., LTD builds Continuous Hardening And Tempering Furnace systems for industrial use. High-volume production is what these units are made for. Our plant takes up 20,000㎡. Over 100 specialized engineers work here. Thermal processing solutions come from us as one integrated package. Temperature uniformity holds within ±8℃. Control precision reaches ±2℃. Gas-fired systems run at working temperatures starting at 550℃ standard and going up to 950℃. A 350mm refractory fiber lining supports that range. Multi-zone control can be customized. Fixed assets stand at 80 million yuan. Quality inspection is strict and follows national standards. Every furnace gets rigorous testing before delivery. Consistent metallurgical performance is what that testing helps ensure.

What Is Furnace?

In this thermal processing system, austenitizing, quenching, and tempering all run on one automated line. Batch furnaces work differently. Here the parts keep moving through a series of heating zones, one after another. That steady flow is why you do not see cycle-to-cycle fluctuations.

Every workpiece goes through the same transformation steps, and the technology makes sure of it. That kind of consistency matters a lot for automotive fasteners, bearings and tools. Safety can be affected by even a small difference in hardness.

Every part your line turns out goes straight into the HRC predictions. Thermal load stays steady while the system runs, and the surroundings remain under control. No operator has to step in. Energy is not wasted on start-stop cycles, either.

Key Technical Specifications

Core Advantages for Your Production Line

Precise Multi-Zone Temperature Control

Several heating zones get their own PID control, which is a real plus for this process. Temperature stays within ±8℃ from one spot to the next, so hardness variation and dimensional distortion do not occur. Soft regions and over hardened areas, the kind that make a component fail early, are ruled out by this accuracy.

Strong Heat Insulation

Surface heat loss drops a lot, thanks to the 350mm multi-layer fibre lining. Compared with traditional systems, the closed-loop heat preservation structure cuts energy usage by 25%~45%. Your operating expenses go down. Processing quality stays consistent, even on long production runs.

Flexibility of Combustion System

It is a pulse combustion that can be switched, so the response to changing loads can be quite rapid. The Continuous Hardening And Tempering Furnace technology automatically modifies the heating intensity to obtain a homogeneous temperature distribution also when working with mixed batch sizes or geometries.

Industrial Grade Construction

Rough conditions and round-the-clock running: it was made for that. Loading heavy workpieces is easy with the bogie design. Chain drive propulsion keeps them held firm. Furnace access cycles stay safe and repeatable thanks to the electric hoist and wedge-lock door systems.

Primary Industrial Applications of Continuous Hardening And Tempering Furnace

Automotive Component Manufacturing

Precise martensitic transformation is what Class 10.9 and 12.9 high-strength bolts demand. Oxidation plays no part in it. Core toughness stays consistent, surface hardness too, and your production gets both. The specs for powertrain assemblies and suspension systems are safety-critical, and they are met.

Bearing and Drive Train Production

Some parts run under extreme fatigue. For those, the heat treatment has to stay uniform. Exact hardness profiles are what this product gives, and races need them. So do gears and shafts that turn under constant friction and dynamic stress.

Tool and Hardware Production

Hand tools built to professional grade, plus construction hardware, gain from processing many geometries at the same time. Complex shapes still reach the HRC values you specify. That keeps them durable under heavy impact and abrasive wear.

Complete Engineering Support

The whole job is covered, from the first design drawing through to turnkey commissioning. Different disciplines work side by side. Heat modelling is one of them, and so are mechanical engineering and control system integration. Every project also comes with on-site installation supervision and training for your operators.

Every Continuous Hardening And Tempering Furnace gets a quality check before it ships. That check follows national and industry norms. Paperwork travels with the machine too. The pack holds material certificates, performance test reports, and operator manuals.

FAQ

Q: How does the furnace maintain atmosphere control during processing?

A: The system utilizes natural gas combustion with adjustable atmosphere composition. Sealed furnace construction minimizes air infiltration. For applications requiring oxidation prevention, protective gas systems can be integrated per your process requirements.

Q: What loading capacity can the system accommodate?

A: Chamber size and bogie capacity can both be changed to suit your process. Workpiece dimensions, production volume, and floor space limits all feed into the furnace geometry our engineering team works out for you.

Q: How fast can the temperature be changed?

A: Under full load, heating rates run from 50–200℃/h. Setpoint changes get a fast response from the switchable pulse combustion system. That lets you shorten cycle times for different material grades.

Q: What maintenance intervals are required?

A: Check the refractory lining and calibrate the temperature controllers on a regular basis. That keeps the unit working well over the long run. The self-propelled bogie system needs its chain greased from time to time. Our technical documentation gives detailed maintenance schedules.

Q: Can the furnace process mixed batch sizes?

A: Yes. Multi-zone control allows section-specific heating adjustments. You can process partial loads efficiently without compromising temperature uniformity or extending cycle times unnecessarily.

Contact Us for Custom Heat Treatment Solutions

Reach out to our engineering team at info@yinuofurnaces.com for technical consultation and customized Continuous Hardening And Tempering Furnace design tailored to your production requirements.