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What are the advantages of box type atmosphere sintering furnace?

Time:2025-07-09 09:31

As a core equipment in the field of material heat treatment, the advantages of box type atmosphere sintering furnace are reflected in six core dimensions: precise temperature control, controllable atmosphere, uniform heating, safety and efficiency, convenient operation, and wide application. Let's take a detailed look below!

Small box type atmosphere sintering furnace (click on the picture to view product details)
Small box type atmosphere sintering furnace (click on the picture to view product details)

1. Precise temperature control: ensuring process stability and product consistency
High temperature control accuracy: Using an intelligent PID control system or programmable temperature controller, temperature fluctuations can be controlled within ± 1 ℃ to meet high-precision heat treatment requirements (such as semiconductor material sintering and ceramic densification).
Multi stage program temperature control: supports temperature curve settings of more than 30 stages, can simulate complex process (such as preheating, heating, insulation, cooling), ensuring that the material completes phase transition or reaction in the optimal temperature range.
Rapid heating and cooling: By using ceramic fiber furnaces, efficient heating elements, and air/water cooling systems, minute level heating can be achieved (such as a 1200 ℃ furnace type heating rate of up to 20 ℃/min), shortening the process cycle and improving production efficiency.

2. Controllable atmosphere: meets diverse material processing needs
Inert atmosphere protection: Introducing inert gases such as nitrogen and argon can prevent metal oxidation (such as titanium alloy annealing) and ceramic decarburization (such as hard alloy sintering), ensuring the surface quality of materials.
Reductive atmosphere control: Introducing hydrogen or carbon monoxide to achieve metal reduction (such as tungsten powder reduction), carbide synthesis (such as silicon carbide sintering), and expand material preparation processes.
Oxidative atmosphere control: By introducing oxygen, metal oxidation (such as aluminum oxide film preparation) and ceramic grain growth regulation can be achieved to meet special performance requirements.

3. Uniform heating: improving product quality and performance stability
Box type structure design: The layout of three-dimensional heating elements (such as side heating and bottom heating) is well matched with furnace materials (such as alumina fibers) to eliminate temperature gradients and ensure that the temperature difference inside the furnace is ≤ 5 ℃, avoiding material cracking or deformation due to uneven heating.
Atmosphere circulation system: Some high-end models are equipped with gas stirring devices to promote uniform distribution of atmosphere and further enhance heat treatment efficiency (such as sintering of large ceramic components).

4. Safe and efficient: reduce operating costs and risks
Multiple safety protections: Integrated with functions such as over temperature alarm, thermocouple protection, leakage protection, gas leak detection, etc., to prevent equipment failure or operational errors from causing accidents.
Energy saving design: Adopting a ceramic fiber furnace (with small heat capacity and good insulation performance) and an intelligent temperature control system, energy consumption is reduced by more than 30% compared to traditional muffle furnaces, and long-term use can greatly save costs.
Modular design: Key components such as heating elements and gas pipelines support quick replacement, reducing downtime and lowering maintenance costs.

5. Easy to operate: reduce technical barriers and labor costs
Human computer interaction interface: The touch screen or computer control system supports one click parameter setting, real-time monitoring, and data recording, simplifying the operation process (such as one click start of sintering program).
High degree of automation: supports multi-stage program heating, automatic adjustment of atmosphere flow rate, storage and retrieval of process parameters, reduces manual intervention, and improves production stability.
Remote monitoring function: Some models are equipped with IoT modules, which can achieve remote viewing of device status and fault warning, facilitating centralized management.

6. Widely applicable: covering the material processing needs of multiple industries
Metal materials: Heat treatment processes such as annealing, quenching, tempering, carburizing, nitriding, etc., enhance material hardness, toughness, or corrosion resistance.
Ceramic materials: sintering, densification, grain growth regulation, preparation of high-performance structural ceramics (such as alumina, silicon nitride) or functional ceramics (such as piezoelectric ceramics, magnetic ceramics).
Composite materials: Hot pressing sintering of carbon fiber reinforced ceramic matrix composites and metal matrix composites to optimize material properties.
Semiconductor and electronic materials: silicon wafer oxidation, ceramic packaging, magnetic material sintering, to meet the manufacturing needs of microelectronic devices.
Research and Teaching: Used by universities and research institutes for the development of new materials, process validation, and support for small-scale experiments and pilot scale testing.

Typical application cases
Preparation of ceramic capacitors: Sintering at 1200 ℃ in a nitrogen atmosphere to prevent oxidation of barium titanate and ensure capacitor stability.
Post processing of metal 3D printing: Hot isostatic pressing (HIP) is performed under argon protection to eliminate pores and improve the density of printed parts.

1700 ℃ touchscreen high-temperature box atmosphere sintering furnace (click on the picture to view product details)
1700 ℃ touchscreen high-temperature box atmosphere sintering furnace (click on the picture to view product details)

Summarize
The box type atmosphere sintering furnace, with its three core technologies of precise temperature control, controllable atmosphere, and uniform heating, combined with its design advantages of safety, efficiency, convenient operation, and wide application, has become a widely used heat treatment equipment in fields such as materials science, aerospace, and new energy. It can not only greatly improve material performance and product quality, but also reduce production costs through automation and energy-saving design.Click to learn more Atmosphere Furnaces! Or click on online customer service to learn more about product information!

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