
Spring Processing Heat Treatment Furnace for Stable Tempering and Continuous Sintering
Spring processing heat treatment furnaces are designed for controlled tempering, stress relieving, drying, and continuous thermal processing of metal springs. They help manufacturers improve spring elasticity, dimensional stability, surface consistency, and batch-to-batch quality after forming or coating.
Product Description
KYD spring processing heat treatment furnace is developed for spring manufacturers that need customized tempering furnaces, continuous sintering furnaces, mesh belt conveying systems, heating chambers, cooling sections, loading and unloading stations, and temperature-controlled production cells. The equipment can support 300-400 degree spring tempering, drying, stress relief, controlled heating, transfer, cooling, and downstream handling according to the customer’s spring process route.
Each system is designed according to the spring material, wire diameter, spring size, loading method, heating temperature, holding time, production capacity, workshop layout, safety requirements, and destination country standards. KYD provides engineering review, furnace layout planning, mechanical design, electrical control, manufacturing, assembly, debugging, and export support for spring heat treatment projects.
Main Features
- Customized furnace length, belt width, heating zones, airflow design, and loading method based on spring size and output target.
- Stable temperature control supports tempering, stress relieving, drying, and continuous sintering processes.
- Mesh belt conveyor, hot-air circulation, insulation, cooling section, PLC control, and HMI operation are available.
- Designed for uniform heating, reduced manual handling, easier maintenance, and consistent spring processing quality.
- Voltage, machine dimensions, temperature range, belt speed, and safety protection can be customized.
Quick Configuration
- Equipment typeHeat treatment furnace
- WorkpieceMetal spring / wire spring
- Line modeBatch or continuous line
- ControlPLC / HMI / temperature control
- CustomizationTemperature, belt, capacity
Technical parameters
Spring Processing Heat Treatment Furnace Specifications
The following parameters are for reference. KYD can customize the spring heat treatment furnace according to spring type, temperature curve, residence time, loading method, production capacity, workshop layout, and export requirements.
| Applicable workpiece | Compression springs, extension springs, torsion springs, wire springs, coated springs, and custom metal spring parts |
| Process scope | Tempering, stress relieving, drying, continuous sintering, heating, holding, cooling, and transfer |
| Temperature range | Commonly designed around 300-400 degree C for spring tempering; other ranges can be customized |
| Main modules | Mesh belt conveyor, heating chamber, circulation fan, insulation layer, cooling section, control cabinet, loading and unloading area |
| Control system | PLC control, HMI interface, temperature controller, belt speed adjustment, alarm system, optional data recording |
| Safety design | Thermal insulation, over-temperature alarm, emergency stop, guarding, warning light, and customized protection layout |
| Power supply | 380V / 50Hz standard, voltage can be customized for export projects |
| Optional modules | Automatic feeding, cooling conveyor, exhaust system, recipe management, batch tracking, and remote support interface |
Application scenarios
Where Spring Processing Heat Treatment Furnaces Are Used

Spring Tempering Process
Used after spring forming to relieve internal stress, stabilize shape, and improve mechanical performance before inspection or assembly.

Continuous Spring Sintering
Suitable for spring products that require continuous heating, holding, drying, or surface treatment through a controlled furnace line.

Integrated Spring Production Lines
Can be integrated with forming machines, conveyors, automatic loading units, cooling stations, inspection stations, and packing systems.
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