Nitriding Furnace
Your Professional Nitriding Furnace Manufacturer!
Jiangsu Jiuding industrial furnace technology Co., Ltd., is a young enterprise with unique ideas about the design and manufacture of industrial furnaces and heat treatment furnace. Our company is located in jiangsu danyang yellow Nian bridge economic industrial park. Company site management implementation by 8 s standard, the product with scientific design, materials, quality assurance, manufacturing details rein to coordinate, implement welding, assembly, heat preservation, the control standard, coating, uniform temperature field, this is the dominant industrial furnace is ongoing. It is absolutely necessary to provide customers with every equipment manufacturing heart, use the rest assured.
Our Factory
Jiuding have more than 90 staff and workers, and more than 60% are professional and technical personnel, in which, 1 senior engineer, 3 engineers, 5 assistant engineers and 15 technicians. Now, Jiuding have implement the 6S and ISO9001 management system comprehensively and this also lay the foundation for our company becoming the leader of furnace industry.
Product Application
Our products are widely used in heavy industry fields such as smelting, casting, forging, shipbuilding, chemical equipment manufacturing, hydropower equipment manufacturing, thermal power equipment manufacturing, nuclear power equipment manufacturing, and high-strength fastener manufacturing.
Advanced Equipment
Our company has a full range of conventional industrial furnace manufacturing equipment, and CNC plasma cutting machine, the United States fluke laser detector temperature field, wind pressure, wind speed measuring instrument, gas pressure tester, gas concentration detection alarming device, infrared thermometer.
Production Market
So far, Jiuding brand have been affirmed by all our customers and currently our sales network have reached all over the world, include: Russia, South Africa, Turkey, Saudi Arabia, UAE, Iran, India, Pakistan, Indonesia, Vietnam, Taiwan, Central Asia, etc.
Technical Parameters
|
Parameter name |
Unit |
Model |
|||
|
RN2-60-6 |
RN2-105-6 |
RN2-150-6 |
|||
|
Rated Power |
KW |
60 |
105 |
150 |
|
|
Rated voltage |
V |
380 |
|||
|
Rated Temp. |
℃ |
650 |
|||
|
Stainless steel vacuum tank size |
Diameter |
mm |
φ700 |
φ1100 |
φ800 |
|
Depth |
mm |
900 |
1300 |
3500 |
|
|
Empty furnace heating time |
h |
2-2.5 |
|||
|
Temperature control accuracy |
℃ |
±1 |
|||
|
Max. load capacity |
Kg |
650 |
1800 |
2800 |
|
|
Weight |
Kg |
1800 |
3800 |
5200 |
|
Advantages of Nitriding Furnaces
Enhanced Wear Resistance:
Nitriding creates a hard surface layer that dramatically improves the wear resistance of the treated parts. This makes the components more durable and extends their service life, which is particularly beneficial in high-stress environments.
Increased Surface Hardness:
The nitrided layer has a high hardness level, often exceeding that of other heat treatment methods. This increased hardness helps to protect the underlying material from mechanical wear and tear.
Improved Fatigue Strength:
The nitriding process enhances the fatigue strength of metal parts by creating compressive stresses on the surface. This reduces the likelihood of crack initiation and propagation, leading to longer-lasting components.
Corrosion Resistance:
The nitrided layer also offers improved corrosion resistance, particularly in environments where the metal is exposed to corrosive substances. This makes nitriding an excellent choice for components used in harsh conditions.
Applications of Nitriding Furnace
Automotive Industry:
Nitriding furnaces are widely used in the automotive sector to enhance the performance of engine components, such as crankshafts, camshafts, and gears. The improved wear resistance and hardness contribute to the efficiency and longevity of these critical parts.
Tool and Die Industry:
In the manufacturing of tools and dies, nitriding provides an effective solution for increasing the lifespan and performance of cutting, stamping, and forming tools. The enhanced surface properties reduce downtime and maintenance costs.
Aerospace Industry:
The aerospace industry relies on nitriding to improve the fatigue and wear resistance of various components, including landing gear, turbine blades, and structural parts. The ability to maintain high performance in demanding conditions is crucial for aerospace applications.
Power Generation:
Nitriding furnaces play a vital role in the power generation industry, where components such as turbine shafts and valve stems require superior wear resistance and durability. The process ensures reliable operation and reduces the risk of component failure.
Pit Type Nitriding Furnace
The pit type nitriding furnace is a cyclical industrial electric furnace, mainly used for gas nitriding, nitrocarburizing and quenching of carbon steel parts, automobile crankshafts, molds and other workpieces. The equipment adopts double water-cooled furnace cover, vacuum rubber seal and zone temperature control technology, with good thermal insulation, high furnace temperature uniformity and strong sealing. Its structure includes energy-saving composite furnace lining, stainless steel vacuum tank and PLC program control system.
Vacuum Nitriding Furnace
The vacuum nitriding furnace is a periodic operation furnace, mainly used for surface strengthening treatments such as nitriding, multi-element co-diffusion, low-temperature austenitic nitrocarburizing, oxy-nitrocarburizing, steam oxidation treatment, low vacuum tempering (or aging) of hardware products such as steel parts, molds and measuring tools.
Ion Nitriding Furnace
Ion nitriding furnace is an advanced heat treatment equipment that uses the principle of glow discharge to strengthen the surface of metal workpieces. Its core working principle is to ionize nitrogen-containing gas (such as ammonia or nitrogen-hydrogen mixture) through a high-voltage electric field to form a plasma environment. In the process temperature range of 400-600℃, high-energy nitrogen ions bombard the surface of the workpiece with extremely high kinetic energy, which not only causes a violent sputtering effect, but also promotes the diffusion of nitrogen atoms into the deep layer of the metal lattice to form a dense nitrided layer.
Operation Process of Nitriding Furnace
Preparation before operation
Before starting the nitriding process, several important preparatory steps need to be taken. First, the workpieces to be nitrided must be thoroughly cleaned. Any dirt, grease, or oxide layers on the surface of the workpieces can interfere with the nitriding process and affect the quality of the nitrided layer. This cleaning process usually involves degreasing with solvents and then pickling to remove any surface oxides.
Next, the furnace needs to be inspected. Check the heating elements, thermocouples, and gas supply systems to ensure they are in good working condition.
Heating the furnace
After loading the workpieces, the furnace is sealed, and the heating process begins. The temperature inside the furnace is gradually increased to the desired nitriding temperature. The rate of temperature increase is carefully controlled to avoid thermal stress on the workpieces, which could cause deformation or cracking.
Nitriding gas introduction
Once the furnace reaches the nitriding temperature, the nitrogen - containing gas is introduced into the furnace. There are several types of nitriding processes, and the gas used depends on the specific process. In gas nitriding, ammonia (NH₃) is a commonly used gas. When ammonia is heated, it decomposes into nitrogen and hydrogen, and the nitrogen atoms diffuse into the surface of the workpieces.
Holding time
After the nitriding gas is introduced, the furnace is maintained at the nitriding temperature for a specific holding time. This holding time allows for sufficient diffusion of nitrogen atoms into the workpieces to form a uniform and thick enough nitrided layer. The holding time is determined by factors such as the nitriding temperature, the type of workpiece material, and the desired properties of the nitrided layer.
Cooling process
Once the holding time is completed, the furnace is cooled down. The cooling rate is also an important factor in the nitriding process. Slow cooling is usually preferred to avoid thermal stress and ensure the stability of the nitrided layer. The furnace can be cooled either by natural cooling or by controlled forced - air cooling.
During the cooling process, the gas supply is usually stopped, but the furnace remains sealed to prevent oxidation of the nitrided workpieces. Once the furnace has cooled to a safe temperature, the workpieces can be removed from the furnace.
Post - treatment
After the workpieces are removed from the furnace, they may undergo some post - treatment processes. One common post - treatment is cleaning to remove any residual gas or reaction products from the surface of the workpieces. This cleaning can be done using solvents or by mechanical means.
In some cases, the workpieces may also be subjected to a finishing process, such as grinding or polishing, to improve the surface finish of the nitrided layer.
Packaging and Shipping
Trucking:
For local or short-distance shipments, a flatbed truck is typically used. Use heavy-duty strapping or chains to secure the stove to the truck bed. Ensure the strapping is properly tightened and has no slack. Place padding between the stove and the truck bed to prevent scratches and damage.
Containerizing:
For long-distance or overseas shipments, use a container. Inside the container, use wooden blocks or brackets to support the stove and prevent it from moving.
Our certificates
