Product Introduction
YSHT02 series high vacuum annealing furnace is a vacuum/Professional heat treatment equipment with deep integration of atmosphere protection and high-temperature sintering functions, developed by our company specifically for3DMetal printing industry (SLS/SLM) high-vacuum annealing furnace developed for specific applications. This equipment is mainly for the aerospace field, targeting titanium alloys, special stainless steels, and other3DAdditive manufacturing metal materials, performing high-precision annealing processes. The equipment can effectively eliminate residual stresses generated by rapid solidification within metal printed parts during heat treatment, significantly improving material mechanical properties. Simultaneously, a strict high-vacuum environment ensures that products are free from oxidation and contamination during high-temperature treatment, guaranteeing the surface finish and organizational purity of the parts. Furthermore, the equipment adopts a reasonable structural and control system design, making the production process safer and more efficient, effectively saving labor costs, reducing process investment costs, and significantly improving production efficiency.
Technical Features
High vacuum environment, avoiding oxidation and contamination: The equipment's ultimate vacuum can reach ≤8×10⁻⁵Pa, strictly controlling vacuum and oxygen content throughout the entire heating process, ensuring that sensitive metal materials such as titanium alloy and stainless steel eliminate internal stresses after annealing, while being free from surface oxidation and embrittlement, and eliminating the risks of hydrogen embrittlement and oxygen embrittlement.
High temperature control accuracy, strong process stability: AdoptsPIDIntelligent temperature control adjustment system, with temperature control accuracy up to±1°C, supports multi-stage heating/Holding/Cooling curve setting, ensuring high consistency between process batches, meeting the stringent quality requirements of aerospace-grade products.
High-quality heating elements, excellent high-temperature performance: Molybdenum lanthanum alloy strips are used as heating elements, with a maximum working temperature of up to1300°C, adaptable to diverse heat treatment processes such as annealing, degassing, and solid solution treatment for titanium alloys and special stainless steels.
Double-layer water-cooled shell structure: The furnace body adopts a stainless steel double-layer water-cooled structure, which effectively reduces the shell temperature, improves operational safety, and extends the service life of the equipment.
Comprehensive safety protection system: Equipped with multiple safety measures such as over-temperature alarm, thermocouple break protection, over-current protection, and water pressure interlock monitoring, a complete logic program interlock protection system ensures the safety and reliability of the equipment during long-term continuous operation.
Intelligent fully automatic control: Adopts a touchscreen+Fully automaticPLCcontrol system, with a user-friendly interface, one-key start, capable of automatically completing the entire process of vacuuming, heating, holding, and cooling, without the need for dedicated personnel, significantly reducing labor costs.
Multi-atmosphere compatibility: Supports annealing processes under inert gas protection such as nitrogen and argon, adapting to the special requirements of different materials for atmospheric environments.
Electric door locking structure: Equipped with an electric door locking mechanism, it is convenient to operate and reliably sealed, ensuring the airtightness and safety of the vacuum chamber.
Application fields
Aerospace metals3DAnnealing of printed parts: Specially designed forSLM/SLSAdditive manufacturing titanium alloy (TC4,TA15etc.), special stainless steel, and other aerospace critical components designed for annealing processes, effectively eliminating3Dresidual stresses generated by rapid solidification during the printing process, preventing part deformation and cracking.
Post-processing of precision components for satellites and spacecraft: Suitable for vacuum stress relief annealing of additive manufactured key components such as satellite antenna skeletons, aero-engine blades, and turbine system components, ensuring dimensional accuracy and mechanical reliability.
Vacuum heat treatment of titanium alloys and refractory alloys: Widely used for vacuum stress relief annealing, solid solution treatment, degassing, and aging treatment of materials such as titanium alloys and high-temperature alloys, optimizing the microstructure of materials and improving mechanical properties.
Industrial grade3DPrinting production support: As an industrial-grade3DThe preferred supporting equipment for the production of the printing industry, meeting the high-end requirements of military and aerospace fields for3Dstrict requirements for post-printing metal parts heat treatment.
Clean heat treatment for additive manufacturing of medical devices: Specifically for medical implants (such asTC4 ELI, cobalt-chromium alloy, etc.) high-purity annealing requirements. The furnace adopts an oil-free and dust-free design to ensure that the processed parts meet medical cleanliness standards.
Product advantages
Completely eliminate residual stress and improve comprehensive material properties: Through high vacuum annealing process, precisely eliminate3DResidual stress generated inside 3D printed parts due to rapid laser melting and solidification, effectively solving the problems of deformation and cracking in complex thin-walled parts; the internal stress elimination rate of titanium alloys after annealing can reach90%above, tensile strength is stable at860—900MPa, elongation≥15%, significantly improving comprehensive mechanical properties.
No oxidation, no embrittlement, ensuring part quality: Deep high vacuum environment (≤8×10⁻⁵Pa) to prevent the infiltration of impurity atoms such as oxygen, nitrogen, and hydrogen, and to avoid the surface of titanium alloys“αlayer”Brittleness risk, ensuring that the surface of the parts is bright and clean, the structure is pure and dense, and the fatigue strength and corrosion resistance are effectively guaranteed.
Compact structure, safe and reliable: The equipment has a reasonable volume design, and the double-layer water-cooled shell ensures the furnace body surface temperature ≤40—60°C, safe and comfortable operation; multiple safety protection mechanisms and strict sealing design ensure long-term stable operation of the equipment.
Fully automatic control, high production efficiency:PLC+Touchscreen fully automatic control system, one-key operation for the entire process of vacuuming, heating, holding, and cooling, no dedicated personnel required; simultaneously supports full-process recording of process parameters and data export, meeting aerospace-grade production quality traceability standards.
Energy saving and consumption reduction, low operating cost: The furnace chamber is composed of high-efficiency insulation materials and a double-layer water-cooled design, with high thermal efficiency and low heat loss. Compared with traditional conventional annealing equipment, it significantly saves energy and reduces long-term operating costs.
Flexible expansion, strong adaptability: Can be customized according to customer's actual working conditions, with flexible selection of various working sizes, temperature ranges, and process gas configurations, meeting diverse needs from laboratory research and development to industrial batch production.
