※ Equipment Use
Large flat top lifting ion nitriding furnace is a kind of advanced ion nitriding equipment specially used for processing large workpieces. It is characterized by the flat-top lifting design, which is convenient for the loading and unloading of large workpieces, and has efficient and uniform nitriding processing capacity.
※ Equipment structure
· Top lift design
· The furnace top can be lifted to facilitate the loading and unloading of large workpieces.
· The lifting mode is usually hydraulic or electric, and the lifting is smooth and adjustable.
· Furnace structure:
· The large size of the furnace is suitable for handling large workpieces.
· The inner wall of the furnace is made of high-temperature and corrosion-resistant materials to ensure long-term stable operation.
※ Technical parameters
· Furnace diameter: 1 m to 3 m (can be customized).
· Furnace height: 1 m to 2.5 m (flat roof lifting design, easy to load and unload workpieces).
· Effective working area: determined according to furnace size, suitable for large workpieces or batch processing.
· Operating temperature range ** : 400℃ to 650℃ (can be adjusted according to process requirements).
· Temperature uniformity: ±5℃ (to ensure the uniformity of nitriding layer).
· Heating method: ion bombardment heating or auxiliary resistance heating.
·- Ultimate vacuum: 10⁻² Pa to 10⁻¹ Pa.
· Working vacuum: 10 Pa to 100 Pa (adjusted according to process requirements).
· Power supply type: high frequency or low frequency pulse power supply.
· Power supply: 100kW to 500kW (depending on furnace size and workpiece load).
· Voltage range: 500V to 1000V (adjustable).
· Current range: 20A to 100A (adjustable).
·- Gas type: nitrogen (N₂), hydrogen (H₂), Argon (Ar), etc.
·- Gas ratio control: The mixture ratio of nitrogen and hydrogen can be adjusted according to the process requirements.
· Cooling method: water cooling or air cooling.
· Lifting mode: hydraulic or electric lifting.
· Lift stroke: 1 m to 2.5 m (according to the furnace height).
· Lifting speed: adjustable, usually 0.1m/min to 0.5m/min.
· Degree of automation: can realize the whole automatic operation, including vacuum, heating, gas control, cooling, etc.
※ Main Advantages
·1. Suitable for large workpieces:
· - The flat-top lifting design is particularly suitable for handling large workpieces, solving the problem of inconvenient handling of traditional ion nitriding furnaces.
·2. Uniform nitriding layer:
· - Ensures that the nitriding layer is evenly distributed on the workpiece surface by optimizing electric field distribution and gas flow.
·3. High efficiency and energy saving:
· - The ion nitriding process itself has the characteristics of high efficiency and energy saving, and the flat-top lifting design further improves the utilization rate of the equipment.
·4. Environmental protection and no pollution:
· - No harmful substances are produced in the ion nitriding process, which meets the requirements of environmental protection.
·5. High degree of automation:
· - Modern large-scale flat-top lifting ion nitriding furnaces are usually equipped with automatic control systems, which can realize the full automatic operation.
※ Application Field
·1. Aerospace:
· - Used for surface strengthening of large workpieces such as aircraft landing gear and engine parts.
·2. Automobile Manufacturing:
· - Used for nitriding of large gear, crankshaft, camshaft and other parts.
·3. Energy equipment:
· - Used for surface treatment of large hydraulic cylinder, oil drill pipe and other workpieces.
·4. Mold manufacturing:
· - Used for surface treatment of large molds to improve wear resistance and service life.
·5. Mechanical manufacturing:
· - Used for surface treatment of various large parts to improve their wear resistance and fatigue resistance.