X-ray Tube Insert Consumable Fixed Anodes¹

Product Description  Product DescriptionA stationary anode is a key component in X-ray tubes, particularly in low-to-medium power medical and industrial imaging systems. Unlike rotating anodes, it remains fixed during operation, making it simpler in design but with limitations in heat dissipation. Key Features of Stationary AnodesFixed Target Surface - The anode does not rotate, meaning the electron beam always strikes the same spot.Material Composition - Typically made of:Tungsten (W) or Tungsten-Rhenium (W-Re) alloys (high melting point, ~3,422°C).Copper or Molybdenum base for heat conduction.Focal Spot Size - Usually larger than rotating anodes, affecting image resolution.Heat Dissipation - Limited due to no rotation; relies on thermal conduction and cooling fins/oil. Advantages of Stationary Anodes Simpler Design - Fewer moving parts, reducing mechanical failure risks. Lower Cost - Cheaper to manufacture and maintain. Compact & Lightweight - Suitable for portable or dental X-ray units. Disadvantages of Stationary Anodes Limited Heat Capacity - Cannot withstand prolonged high-power exposures. Smaller Duty Cycle - Requires cooling intervals to prevent overheating. Lower Resolution - Larger focal spot reduces sharpness compared to rotating anodes. Applications of Stationary AnodesDental X-ray Systems (Low-power, short exposure times).Portable & Veterinary X-ray Units.Industrial Non-Destructive Testing (NDT) for small components.Low-Frequency Medical Imaging (Some older or specialized systems). Comparison with Rotating AnodesFeatureStationary AnodeRotating AnodeHeat DissipationLow (Fixed spot)High (Spreads heat)Max Power HandlingLow-MediumHighCostLowerHigherLifespanShorter (Localized wear)Longer (Distributed wear)Common Use CasesDental, portable X-rayCT, fluoroscopy ConclusionStationary anodes are ideal for low-power, cost-sensitive applications where high heat tolerance is not required. Their simplicity makes them reliable for brief exposures, but they are unsuitable for high-throughput medical imaging.Would you like details on cooling methods or specific anode materials?Supply basic consumables for X-ray tube inserts-rotating anode targets, stationary anode targets, and rotors,etc.1.Main components of X-ray:· Cathode - tungsten filament (CATHODE FILAMENT) in the focusing cup;· Anode - the anode target surface (ANODE TARGET) that rotates during X-ray exposure;· Rotor - the device that rotates the anode.Electrons are produced when a low voltage current is applied to the cathode, which causes the filament to heat up and create an electron cloud. A high voltage is then applied to accelerate the electrons through the tube to the anode. Collision with the anode results in the conversion of 99% of the heat and 1% of the electrons into X-rays.2. Application fields of rotating anode X-ray tube:According to different application fields, the applications of rotating anode X-ray tubes can be divided into two categories: industrial and medical. Among them, medical treatment is the largest application field of rotating anode X-ray tubes, accounting for more than 86.3% of the applications. In the medical field, rotating anode X-ray tubes are the main component of X-ray diagnosis and detection equipment, and are widely used in mobile DR, CT, mobile C-arm and other systems; in the industrial field, rotating anode X-ray tubes are widely used in CT In scanners, film exposure equipment, and industrial inspection equipment.In short, rotating anode X-ray tubes are widely used in medical, electronics, security, non-destructive testing and other fields3. Classification of anodesX-ray tube anodes can be divided into rotating anode target and fixed anode target.1) Rotating anode target 2) Stationary anode target1. Introduction to fixed anode X-ray tube:Fixed anode X-ray tube X-ray generating device, its anode is fixed rather than rotating. This type of X-ray tube is commonly used in medical diagnosis, industrial testing, material analysis and other fields.   Fixed anode X-ray tubes are mainly composed of a cathode and an anode. The cathode is a metal wire that emits electrons, and the anode is a surface made of high-melting point metals such as tungsten or molybdenum. Under the action of a high-voltage electric field, the electrons emitted from the cathode are accelerated to high speed and then impact the anode surface, producing X-rays.   The advantages of fixed anode X-ray tubes are simple structure, stability and reliability, long life and easy maintenance. However, the disadvantage is that the output power of X-rays is low, usually only about 1/3 of that of rotating anode X-ray tubes. In addition, because the anode surface is fixed, its surface utilization is low, and only about 20% of the anode surface can be used to generate X-rays.2. Fixed anodeThe fixed anodes produced by our company are back-cast, combining tungsten and copper. The joint surface is tight and seamless, ensuring excellent heat dissipation. According to customer requirements, doped tungsten and tungsten-rhenium can be used as the target surface, and the bonding interface of tungsten and copper is detected through industrial non-destructive testing. The strong machining capabilities and detection methods ensure the dimensional accuracy of the fixed anode, which is ensured through raw material and process control. high purity.As our company's superb copper-tungsten bonding technology has won admiration at home and abroad, our products are exported to domestic and foreign markets and have received unanimous praise from customers. Our company also provides a large number of semi-finished products to factories at home and abroad in various countries.The following are examples of products where our company provides fixed anode semi-finished products and finished products as required:Certifications Packaging & ShippingYou can choose cartons or plywood case:(Our packing)All goods will be shipped by DHL or UPS or Fedex or SF as well as air freight agent company,you can choose any one only you like.https://weilainewmaterials.en.made-in-china.com/product-list-1.html Company Profile         Zhuzhou Weilai New Materials Technology Co., Ltd (Weilai) is located in China Power Valley in Zhuzhou City of Hunan province. Weilai devotes to research and develop high performance  heterogeneous refractory metal composites, including high-performance X-ray tube anode material, plasma spray nozzle as well as the electrodes and the resistance welding electrodes, etc. It is mainly used in medical equipment, plasma spray and automobile electrical equipment industries. Weilai provides the customized solutions for customers, it is a high-tech company integrating research and development, production, sales and service.    Adhering to "Keep improving products and creating value for customers", the company focuses on the subdivided fields of refractory metal materials industry, continuously optimizes the technological adaptability of products, develops more supporting products in the industry, and provides users with more reasonable and comprehensive solutions. Weilai makes constant efforts to "become an excellent company in the field of new materials".Our AdvantagesAdvantages of plasma spray nozzles and electrodes and other copper tungsten bonding products:1. Our company has been engaged in the production of pure tungsten and tungsten alloy materials for many years, and has an in-depth understanding of the structure and properties of materials. For the tungsten electrode used in plasma spraying electrodes, based on our full understanding of the application, we have made more improvements and treatments to the material structure to meet the material requirements of plasma spraying. By densifying the tungsten electrode, a finer, more uniform grain structure is formed. The modified tungsten alloy has relatively high hardness and density, fast arc starting, excellent resistance to arc burning loss, and long life.2. Our company's plasma spraying electrodes and nozzles use unique back-casting technology to achieve seamless bonding between tungsten and copper. The bonding strength can be as high as 127MPa, while the traditional bonding strength is less than 100MPa. Compared with traditional brazing, joints made by back-casting have higher bonding strength between tungsten and copper, larger contact area, more uniform resistance, and stronger heat dissipation ability, making the nozzle and electrode more stable and more durable as well as long service life.3. We produce tungsten electrodes of different materials (good arc starting performance and ablation resistance). Based on customer usage conditions, we can provide more suitable materials for customers to choose. MaterialImpurity content (%)Electron work function (eV)Lanthanum tungsten<0.22.8-3.2Cerium tungsten<0.22.7-2.8Thorium tungsten<0.22.0-3.94. Based on the research and analysis of plasma spray guns, the electrodes and nozzles produced by our company can perfectly adapt to the original spray guns, and no additional adjustment of spraying parameters is required during replacement. We have a complete product series, and the plasma spray electrodes and nozzles we produce can be widely used in F4, 9M, SG-100 and other spray guns of Metco, GTV, FST, AMT AG, Praxair and other companies.5. We have rich experience in producing various cathodes and anodes, which can be customized and processed according to customer samples or drawings. We can also provide semi-finished products with seamless combination of tungsten and copper. After Sales ServiceWe can ensure our all products which are sound,no collision,precise size,if any defect has been found which are due to our cause,we can replace them for free and send you along with shipment for next time.  

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