Surface reactions become less likely when the heating chamber’s atmosphere is strictly controlled as it is in a vacuum oven. When a complete or near-complete vacuum is created, convection, which is the transfer of heat between gasses and liquids, becomes impossible. The only transfer of heat in a vacuum happens as a result of radiation, and radiant heat is reliably even in its distribution. Read More…
The GRIEVE CORPORATIONRound Lake, IL | 847-546-8225
Grieve’s only business since 1949 has been to design and manufacture industrial ovens and furnaces. Use our depth of knowledge and experience when you require an oven or furnace for powder coating, curing, baking, drying, stress relieving, and more.$$$
Weiss TechnikGrand Rapids, MI | 800-368-4768
Weiss Envirotronics is a worldwide leader in the design, manufacturer and service of environmental test chambers. A complete line of standard and custom chambers, from bench top models to full walk-in and drive-in solutions to meet any testing requirement. Not sure what you need? Let one of our applications engineers help. Weiss Envirotronics, Inc is ISO 9001 registered and A2LA accredited.$$$
Surface Combustion, Inc.Maumee, OH | 800-537-8980
Surface Combustion offers a diverse product offering for batch and continuous furnace designs for atmosphere, nonatmosphere or vacuum processing of ferrous and/or nonferrous components/materials.$$$
Quality Finishing SystemsGrant, MI | 231-834-9131
Complete finishing systems are designed around your specific process needs and are optimized to fit within your space requirements. We specialize in producing paint systems for wet and powder coatings, while also providing comprehensive design, fabrication, installation, start-up, and training services. Our complete finishing systems consist of an overhead conveyor, pretreatment washer, dry-off oven, paint/powder booths, cure oven, and controls.$$$
The CMM GroupDe Pere, WI | 920-336-9800
The CMM Group provides custom-designed industrial dryers and ovens for a wide range of applications in single or multi-zone configurations. The CMM Group designs and builds conveyorized curing, baking and drying ovens for automated production of small-to-medium sized products. Conveyorized roll support web dryers are available in horizontal or vertical tower design and can handle thin film to heavy gauge substrates, narrow to wide, slow or fast speeds.$$$
Global Finishing Solutions| 800-848-8738
Global Finishing Solutions™ is the designer and manufacturer of industrial ovens—curing ovens, burn-off ovens and infrared heaters. If a standard model is not suitable to your application, we can custom design one. We also can be contacted for your spray booth needs.$$$
DELTA H TECHNOLOGIES, LLCCarroll, OH | 740-756-7676
DELTA H TECHNOLOGIES, LLC specializes in services and equipment for industrial furnaces, kilns and ovens. A significant portion of our projects involve services for combustion and control systems including contract preventative maintenance services, inspections, calibration, uniformity survey services, specialized problem solving and consulting services. Primary industries served include steel processing, ceramics, industrial finishing and material processing.$$$
Vacuum ovens have a number of advantages over other types of industrial ovens. In drying, negative pressure from the vacuum works together with the heat allowing drying to take place at lower temperatures than would otherwise be possible. Some laboratories use vacuum ovens for drying heat-sensitive materials. Vacuum ovens may be walk-in or truck-in batch ovens or smaller cabinet ovens.
The process of applying heat treatment begins with loading an item or several items into an oven. Unlike with other heat treating processes, the number of kinds of ovens available to heat treating technicians is limited; conveyor ovens are not suitable solutions in vacuum heat treatment.
Outside the confines of a vacuum chamber, atmospheric conditions cannot be maintained. Within the vacuum chamber, there would be no use for a conveyor as heat distribution is completely even throughout the chamber. The most likely variety of industrial oven in vacuum heat treatment contexts would likely be a batch oven if several smaller items were to be treated. In the case of a single, large item, a walk-in or truck-in oven would be suitable. The chamber would be sealed after loading the oven, and a vacuum would be created by pumping atmosphere out of the chamber.
Any variety of heat sources could be used to heat the newly evacuated chamber; gas-fired ovens and electric heat sources are both used to heat vacuum ovens. The product, once sufficiently heated, is sometimes quenched with an inert gas that allows the product to cool quickly. The gas is then evacuated through heat transfer equipment, and the product is ready to be removed from the vacuum chamber.