Carbolite - Uniformity and Heat System
From Custom Designed Furnaces and Ovens
To design and build a furnace with outstanding temperature uniformity, time-consuming calculations and simulations are required. Carbolite Gero has accumulated decades of engineering experience creating exceptional heat treatment systems. This experience is utilised in all of standard furnaces and ovens as well as custom modifications where temperature uniformity needs to be improved even further. Some important design principles to improve the uniformity are described below.
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Product Details
- Multi zone furnaces
- Tailor made larger ovens and furnaces
- Forced and natural convection ovens
- Cascade control
- Hot wall furnaces
- Cold wall furnaces
Retorts
A closed retort is utilized to completely surround the sample specimen for operation under modified atmospheres and to improve the temperature uniformity. For example, the retort is constructed with a gas outlet for debinding applications.
Intelligent Design
For optimal temperature uniformity and distribution inside the furnace, a highly symmetric design is crucial. If a gas flow is required, the gas is preheated before flowing into the chamber.
A gas ventilation system with a sophisticated gas guiding design is provided for furnaces operating in the low temperature range.
Radiation Shields & High-Grade Insulation
Metallic shields are utilized in the metallic furnaces to constantly reflect the heat inwards toward the sample specimen and provide insulation to the water cooled vessel. The vessel design, radiation shields, and heating elements must be highly symmetrical for optimal temperature uniformity.
The thermal conductivity of graphite felt and ceramic fibre insulation is very low making them excellent materials for furnace insulation. The thickness and quality of the insulation materials are carefully and specifically chosen per the maximum operating temperature of the furnace.
Examples
- The standard V-L 180-300/10 soldering and brazing furnace is suitable for generating the lowest achievable operation pressures and highest possible temperature uniformity at the same time
- Custom made three zone split tube furnace FZS 13/100/4500 with 4500mm heated length, automated opening mechanism and APM work tube
- Custom made Industrial Top Hat Furnace with multi zone temperature control
- Vacuum Chamber Furnace HTK GR 80/22 automatic with optional door heater for improved uniformity
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