![]() With decades’ experience in thermal processing and vertical integration of bespoke heat treatment solutions, we can reliably collaborate with you to resolve any processing challenges. Thermcraft specializes in the development of custom furnace solutions for specific customer requirements. This is useful in a range of materials testing applications, enabling accurate characterizations of material mechanical properties at elevated temperatures. It can also limit peak temperatures to specific areas of interest on a part – typically the central section, which leaves either end safe to handle with additional machinery. This allows a fully-controllable temperature gradient to finely-tune the heat-up and cool down stages of thermal processing. Tube furnaces can also be integrated with multiple heating zones to elevate the processing capabilities of the instrument. This makes tube furnaces ideal for sensitive thermal processing applications, such as thermocouple calibration. Components in a single-zone chamber are subjected to consistent heating values exceeding 1000☌ (1832☏) across a full 360° axis, which ensures optimal distribution of heat across the full cross-section of the part. The primary reason to use a tube furnace is the unmatched thermal uniformity offered by cylindrical heaters. As a result, they have proven integral in a broad range of heat treatment markets. ![]() Tube furnaces are used for a broad range of thermal processes, including: inorganic and organic purification accelerated aging annealing coating drying and much more. They utilize a process tube that passes through a fixed heating cylinder a configuration that is ideal for applications where batches are developed to repeated sample sizes. Solid Tube Furnaces: A solid tube furnace does not open, either vertically or lengthwise.Split Tube Furnaces: A split tube furnace is a staple for academic facilities and R&D applications, consisting of a hinged body that opens in half to facilitate easy access to the internal chamber.Two primary types of tube furnace are available from Thermcraft: This architecture guarantees the highest possible thermal uniformity for processing both inorganic and organic compounds. Refractory heating coils or ribbons are embedded into the ceramic to surround a central chamber with uniformly distributed heaters. This is comprised of a circular furnace wall made of high-temperature ceramic either formed from a full cylindrical element or two semi-cylindrical elements that close to form a single void. The eponymous component in a tube furnace is the heating chamber. In this blog post, Thermcraft explores when to use a tube furnace in more detail. Research and development (R&D) into the generation of fine ceramic filaments led to the very first cylindrical heating chambers in the early 20 th Century, and the tube furnace has since become a common sight on factory floors and in materials laboratories worldwide. At these scales, benchtop laboratory ovens tend to excel – yet the geometry of the thermal processing chamber can be a limiting factor in certain application areas. Numerous thermal processing formats are available to researchers and manufacturers handling relatively small-volume samples or operations with low throughput.
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