Muffle Furnace
High Temperature Hybrid Muffle and Tube Furnace with Vacuum Capability and PID Control
Item Number: TU-HC05
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Product Overview
This high-temperature hybrid system represents a versatile leap in laboratory thermal processing, combining the capabilities of a precision muffle furnace with the controlled environment of a vacuum tube furnace. By integrating a vertical access port into a robust box furnace chamber, the equipment allows researchers to switch between bulk material heating and atmospheric-controlled tube processing without investing in two separate units. This dual-functionality is engineered to maximize laboratory workspace while providing the high-performance thermal characteristics required for advanced material science and industrial research and development.
Designed for demanding R&D environments, the system excels in processes ranging from simple air sintering to complex vacuum annealing. Its core value proposition lies in its adaptability; the large interior chamber accommodates bulk samples in the muffle configuration, while the interchangeable quartz tube inserts facilitate work under high vacuum or specific gas atmospheres. This makes the unit an indispensable tool for metallurgy, ceramics research, and semiconductor development where process flexibility is as critical as thermal precision.
Reliability is at the forefront of this unit's engineering. Built with a heavy-duty double-layer steel case and high-purity alumina fiber insulation, the system ensures consistent temperature uniformity and long-term structural integrity. The forced-air cooling system maintains a safe exterior temperature even during extended high-heat cycles, providing lab personnel with a secure and predictable operating environment. Whether utilized for continuous production-level testing or delicate experimental cycles, this equipment delivers the stability and repeatability that industrial procurement teams demand.
Key Features
- Innovative 2-in-1 Hybrid Design: This system functions as both a 6" x 6" x 7" muffle furnace and a vacuum tube furnace by utilizing a top-mounted access port for quartz tube insertion, offering unparalleled flexibility for varying research workflows.
- Advanced Thermal Insulation: Constructed with high-purity alumina fiber insulation, the heating chamber is designed for maximum energy efficiency and rapid heating rates while minimizing heat loss to the surrounding environment.
- Precision PID Temperature Regulation: The integrated digital controller utilizes sophisticated Proportional-Integral-Derivative logic and an auto-tune function to maintain ±1.0 °C stability throughout the 100°C to 1200°C operating range.
- Enhanced Safety Housing: A double-layer steel casing equipped with integrated forced-air cooling fans ensures the outer shell remains safe to touch, protecting operators during high-temperature operations.
- Versatile Atmospheric Control: When configured with the optional quartz tubes and CF/KF flanges, the system supports high-vacuum levels down to 10^-6 torr and controlled inert gas environments for oxygen-sensitive processes.
- Programmable Thermal Cycling: The controller supports up to 30 programmable segments, allowing for complex ramping, soaking, and cooling protocols to satisfy the specific requirements of sophisticated material transformations.
- Interchangeable Tube Options: Accommodates multiple tube diameters (2", 3.1", or 4" OD), allowing the user to customize the processing volume and flange types based on specific application needs or existing vacuum hardware.
- Integrated Alarm Systems: Built-in over-temperature and thermocouple failure alarms provide automated protection for both the equipment and the processed samples, ensuring operational continuity.
- Robust Heating Elements: High-quality elements are strategically positioned to provide uniform heat distribution across the 4.2-liter chamber volume, reducing thermal gradients that could compromise material integrity.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Ceramic Sintering | High-temperature firing of technical ceramics and oxide powders in the muffle configuration. | Achieves high density and uniform grain structure through precise ramp control. |
| Vacuum Annealing | Stress-relieving of metallic components or wafers within a sealed quartz tube environment. | Eliminates oxidation and surface contamination during the heating and cooling phases. |
| Atmosphere Processing | Treatment of materials under flowing inert gases such as Argon or Nitrogen to prevent chemical reactions. | Ensures high purity of final products by maintaining a strictly controlled environment. |
| Battery Research | Calcination and synthesis of cathode/anode materials in specialized atmospheric conditions. | High repeatability allows for consistent electrochemical performance testing. |
| CVD Research | Chemical Vapor Deposition experiments utilizing the tube configuration for thin-film growth. | Modular tube design permits easy cleaning and specialized gas inlet configurations. |
| Dental Lab Firing | Precision heat treatment of dental prosthetics and zirconia frameworks. | Compact footprint and high accuracy ensure consistent aesthetic and structural results. |
| Metallurgical Testing | Hardening and tempering of small alloy samples to evaluate mechanical property changes. | Rapid heating rate of 30°C/min allows for high-throughput experimental cycles. |
| Powder Metallurgy | Sintering of metal powders into solid components under vacuum or reducing atmospheres. | Prevents decarburization and ensures optimal mechanical strength and ductility. |
Technical Specifications
| Parameter | TU-HC05 (Muffle Mode) | TU-HC05 (Tube Mode Configuration) |
|---|---|---|
| Maximum Temperature | 1200 °C (Continuous) | 1000 °C (Under Vacuum) |
| Heating Chamber Dimensions | 150mm(D) x 155mm(W) x 180mm(H) | N/A (Internal Tube Space Only) |
| Chamber Capacity | 4.2 Liters (0.44 cubic ft) | Dependent on Tube Choice |
| Temperature Stability | ±1.0 °C | ±1.0 °C |
| Heating Rate | Recommended 10°C/min (Max 30°C/min) | Recommended 10°C/min (Max 30°C/min) |
| Thermocouple Type | K-type with Ceramic Sheath | K-type with Ceramic Sheath |
| Voltage / Power | 208 - 240V AC, 2.5KW | 208 - 240V AC, 2.5KW |
| Insulation Material | High-purity Alumina Fiber | High-purity Alumina Fiber |
| Controller Type | 30-Segment PID Programmable | 30-Segment PID Programmable |
| 2" Tube Option | N/A | 50mm OD x 44mm ID x 263mm L (Quartz) |
| 3.1" Tube Option | N/A | 80mm OD x 73mm ID x 300mm L (Quartz) |
| 4" Tube Option | N/A | 100mm OD x 94mm ID x 210mm L (Quartz) |
| Vacuum Capability | Atmospheric / Inert Gas Only | Up to 10^-6 Torr (with Turbopump) |
| Flange Fittings | N/A | CF Flange with KF40/KF16 ports |
| Gas Inlet / Outlet | N/A | 1/4" Barbed Fitting & Needle Valve |
| Optional 3-Electrode | N/A | Available for 4" Tube (Up to 55A) |
| Compliance | CE Certified | CE Certified |
Why Choose This Hybrid Furnace
- Exceptional ROI: The 2-in-1 design significantly reduces capital expenditure by providing the functionality of two high-end furnaces in a single, compact footprint.
- Precision Engineering: Every unit is built using superior materials, from the high-purity alumina insulation to the stainless steel vacuum flanges, ensuring consistent performance in high-stakes research.
- Operational Versatility: The ability to swap tube sizes or switch to muffle mode allows your laboratory to adapt to new projects and experimental requirements without purchasing additional equipment.
- Safety-First Construction: With double-shell cooling and advanced alarm protocols, this system is designed for safe operation in shared laboratory environments and industrial settings.
- Proven Reliability: THERMUNITS equipment is trusted by leading material science institutions for its durability and the repeatable accuracy required for peer-reviewed research.
Our technical team is ready to assist with custom configurations, including specialized electrode setups or higher vacuum requirements. Contact us today to discuss your specific thermal processing needs or to request a formal quotation.
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