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Small Rotary Hearth Furnace
Small Rotary Hearth Furnace
Electrotherm supplies continuous small rotary hearth furnaces for the mass producing forging process. Small rotary hearth furnaces are designed for continuous pre-heat precision forging process and assure temperature uniformity repeatability of not less than ±5°C (±9°F). Those types of furnaces allow quick set up and fast relocation due to the wheels installed.are well known for their accuracy, reliability, high performance for a long period of time and easy and quick maintenance.
The Small Rotary Hearth Furnaces offer seamless integration within the forging module – minimizing bottlenecks and allowing maximal efficiency of the press in one – piece – flow process. Electrotherm rotary hearth furnaces are perceived as best in the world due to the experience gained over many decades and based on profound understanding of its customer needs.
- NADCAP
- AMS 2750D
- RPS953
- One frame includes all sub systems
- Reinforced steel outer frame
- SIC heating elements installed horizontally (easy replacement)
- SIC hearth tiling
- Ceramic fiber thermal insulation
- ITC coating on ceramic fibers
- Automatic or manual hearth speed control
- Digital temperature controllers with communication interface
- "R" or "S" type thermocouples
- Thyristors (single cycle) for linear power control
- Isolated transformers
- Protective atmosphere monitored by controlled Oxy probe system
- CS/ELRH – integrated cooling system for total mobility
- Frequency converter for speed control from 2.5 – 10 turns per hour
- Automation that can be synchronized with automation equipment for complete precision forging cell
- Automatic fire detection and extinguishment system installed and wired in the control cabinet
- Paperless recorder.
- Shock absorbers.
- Natural gas or LPG gas flame curtain.
- Flue with SIC torch, for burn-off outlet atmosphere gas.
- HMI system including AMS-2750E data acquisition and data storing on customer's server
Characteristics
| ELRH10 | ELRH12 | ELRH16 | ELRH20 | ELRH25 | ||
| Hearth diameter | mm | 1000 | 1200 | 1600 | 2000 | 2500 |
| in | 40 | 48 | 64 | 80 | 98 | |
| Exterior dimensions WxDxH | mm | 2700x2150x2600 | 3000x2350x2700 | 3450x2750x2700 | 3800x3300x2800 | 4300x3800x2800 |
| in | 106x84.5x102 | 118x92.5x106 | 106x108x106 | 149x130x110 | 170x150x110 | |
| Max. temperature | C° | 1200 | 1200 | 1200 | 1200 | 1200 |
| F° | 2192 | 2192 | 2192 | 2192 | 2192 | |
| Heating power | KW | 65 | 70 | 110 | 150 | 160 |
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