Rotary Hearth Furnaces
AFC-Holcroft Rotary Hearth Furnace – customizable, trouble-free heavy-duty heat treatment
Product details
- Process TypeContinuous roller hearth heat treatment system
- Heat Treatment CapabilityCarburizing, neutral hardening, carbonitriding, annealing, normalizing, tempering, solution treating, aging
- Material Handling SystemTension-free roller hearth drive for continuous part movement
- Quench System OptionsOil, water, polymer, or molten salt with advanced agitation (Upflow / Uniflow)
- System Design & ControlModular construction with full automation and advanced process control platforms
Heavy-duty rotary-hearth furnaces for consistent throughput and minimal downtime
The Rotary Hearth system from AFC-Holcroft is engineered for high-duty environments where large parts, heavy loads and continuous production are the norm. Its design emphasizes long service life, ease of maintenance and flexibility for diverse heat-treating applications.
Additional technical features
Single- or multi-level rotating hearths to match load size and throughput
Gas-tight oil-bath seal to maintain atmosphere integrity
Heavy-duty support and guide wheels engineered for long cycle life
Variable-speed drive systems (electric or hydraulic) for process matching
Automatic cylinder-type upward-opening doors for easy access and high throughput
Roof-mounted radial fans for efficient atmosphere circulation
Optional automatic loading/unloading and press-quench integration Customer benefits at a glance:
High uptime with rugged mechanical design and minimal moving part wear
Flexible processing for multiple metallurgical routes in one system
Reduced maintenance and downtime thanks to heavy construction and service-friendly design
Customizable hearth size and drive systems for specific part inventories
Full automation and data capture options for traceability and quality compliance
Key Benefits for Your Operation
High Uptime and Reliable Operation
Designed for continuous production with stable performance and minimal unplanned downtime.
Flexible Production Capability
Handles varying production rates and a wide range of part sizes within a single system.
Reduced Maintenance Requirements
Engineered for ease of maintenance with durable components and simplified system access.
Customizable System Design
Adapted to specific process requirements with single or multi-level hearth configurations.
Advanced Automation and Process Control
Integrated control platforms enable full monitoring, tracking, and repeatable process performance.
Standard sizes of the rotary hearth furnace
The following table shows the available type sizes of the AFC-Holcroft rotary hearth furnace, where G stands for gas heating, E for electric heating, and (s) for operation under protective atmosphere.
| | Hearth diameter in mm |
|---|---|
| RDE / G (s) 130 | 130 |
| RDE / G (s) 170 | 170 |
| RDE / G (s) 230 | 230 |
| RDE / G (s) 270 | 270 |
| RDE / G (s) 350 | 350 |
| RDE / G (s) 450 | 450 |
| Custom sizes available on request |
Reliable service throughout your entire system lifecycle
We support our customers throughout the entire lifecycle of their systems – from commissioning to ongoing operation, modernization and digital integration.
FAQ – AFC-Holcroft Rotary Hearth
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