Chamber and Hot zone
The chamber is designed to accommodate up to twelve feeding wires. The wires pass first through stainless steel guide tubes located on the right. After exiting this zone the wire will move into the 1200°C (2200°F) maximum temperature heated section. The heated section consists of three separately controlled heating zones with their own controls and sensors, allowing for a custom and unique temperature gradient. Once the wire has passed through this temperature zone, the wire exits the cooling zone at the left.
The furnace chamber is horizontally split and hinged for access to the heating elements and shielding.
The Hot Zone is a round design using encapsulated Ni-Cr wire heating elements and ceramic insulation. The usable hot zone is 6″ ID X 36.0″ long (other sizes available) and is designed to easily reach a temperature of 1200°C. The hot zone is divided in three areas which are independently controlled, allowing custom temperature profiles per zone.
Hot zone temperatures are measured by Type “K” thermocouples.
Instrumentation
To provide power to the hot zone three SSR Power Controllers are supplied, efficiently modulating power to the hot zone depending on heat requirements.
All instruments, contactors, transformers and controllers are mounted in a single enclosure.
The furnace temperatures are controlled by programmable temperature controllers using Type “K” thermocouples. Each zone is also supplied with a separate over-temperature controller and thermocouple.
Process Gas System
This furnace system was designed to operate in an oxygen or inert gas environment. A gas manifold with flow meters is provided to modulate and distribute gas to the different zone areas. A selector switch sets the type of process gas used.
Water cooling manifold
The water manifold provided with this system is designed to adequately cool the furnace tubes. The water manifold has several circuits supplying water to the various parts of the furnace. Each one of these can be manually adjusted to allow each circuit just the proper amount of flow to save water.
Utilities
| Power: |
18 kVA, 208-240Vac/1ph/50-60 Hz (other voltages available) |
| Water: |
2 GPM (8 lpm) @ 70°F (20°C) and 50 P.S.I.G. (3.4 bar) |
| Process Gas: |
Inert Gas & Oxygen 15 lpm @ 70 P.S.I.G. Max. (4.8 bar) |
Open 8AM-5PM business days