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A rack and pinion pneumatic actuator is a device that converts the pressure energy of compressed air into mechanical energy. It is mainly used to drive valves and other equipment for switching or regulating operations. Here are some key features of rack and pinion pneumatic actuators:
Structural features: Rack and pinion pneumatic actuators use the meshing method of gears and racks to achieve precise linear motion. This structure is simple and the action is smooth and reliable.
Application areas: They are widely used in production processes with high safety requirements, such as power plants, chemicals, and oil refining industries, because they have safety and explosion-proof characteristics.
Design advantages: Rack and pinion actuators are usually compact in design and suitable for butterfly valves, plug valves or ball valves, providing double-acting and spring return functions.
Performance characteristics: Rack and pinion actuators with 100-degree stroke, limit stops in both directions of stroke, ISO mounting platform driven by star gears for standard valve accessories, and auxiliary equipment brackets.
Material selection: The cylinder material of the actuator may be aluminum alloy or stainless steel to adapt to different working environments and corrosion resistance requirements.
Output torque: Rack and pinion pneumatic actuators can provide stable output torque, ranging from very small to very large (e.g. 0-8000N.m).
Rack and pinion pneumatic actuators play an important role in industrial automation and process control due to their structural stability and reliability.
Changzhou Xinneng Automatic Control Equipment Co., Ltd is a technology-based enterprise specializing in research, development, production, sales, and service of various electric actuators, valves, and automatic control systems. As a China Custom Rack and Pinion Pneumatic Actuator Suppliers and Rack and Pinion Pneumatic Actuator Manufacturers, annual production and sales of electric valve actuators of more than 10,000 sets. In 2006 through the IS09001 quality management system certification, and obtained the national "productflame-proof certification", "explosion-proof the national industrial product production permit" issued by the National Center for AnBiao "mining productssafety sign certificate", and in cooperation with the district technology bureau established the engineering research center for intelligent digital electric actuators, 16 patent for utility model.
The company product series is complete, the actuator product has the common type, the whole type, the adjustment type, the intelligent type, the explosion-proof type BT4, CT4, MA mining type, and so on. The AUKEMA intelligent electric actuator has reached the international level, with better control than imported products, and is closer to the actual needs of the domestic market.
The company is committed to product type optimization and qualitmprovement, combined with the market demand, developed a special electric valve for coal mines, the application of thousands of major coal mining groups in the mine, improved the level of coal mine automation; Environmental protection desulfurization and off-sale electric valve is widely used in the field of power stations, contributing to environmental protection. Okuma explosion-proof series BT4, CT4 electric valve is the priority brand of oil, petrochemical, natural gas, gas, and other flameproof fields. In addition, many supporting products in metallurgy, water treatment, electric power, shipbuilding, fire, and other fields, users - praise. In recent years, the company increased the development of overseas markets, products are exported to Indonesia, Pakistan, Singapore, Nigeria, Malaysia, and other countries.
Enterprises adhering to desirable product quality will occupy the market, tread the industry with advanced science and technology, improve the service system to return the customer's purpose and strive to become a flow of valve actuator manufacturing enterprises.
Quality commitment: the company's products have three guarantees, product lifetime warranty, and satisfactory after-sales service.
We strive to provide quality products and satisfactory services for the development of automation, looking forward to your sincere cooperation!
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Read MoreAssembly process of rack and pinion pneumatic actuators
1. Component preparation and inspection
Before assembly, all components must undergo strict inspection to ensure that the material, size, tolerance, etc. meet the design requirements. For key components such as cylinders, gears, and racks, Changzhou Xinneng Automatic Control Equipment Co., Ltd uses high-precision CNC machine tools to ensure the accuracy and surface quality of the components. At the same time, the cylinder material is strictly tested for corrosion resistance and strength to ensure that it can operate stably under harsh working conditions.
2. Assembly of gears and racks
The assembly of gears and racks is the core link in the assembly process. The gears and racks need to be pre-assembled, and their meshing conditions need to be checked to ensure that there is no interference or jamming. During formal assembly, precision assembly tools and measuring equipment, such as micrometers and vernier calipers, are used to ensure that the meshing clearance and side clearance between the gears and racks meet the design requirements. In addition, Changzhou Xinneng Automatic Control Equipment Co., Ltd also uses special grease to reduce friction between gears and racks, and improve transmission efficiency and service life.
3. Assembly of cylinder and piston
The assembly of cylinder and piston needs to ensure sealing and smooth movement. During the assembly process, special seals and O-rings are used to ensure the sealing inside the cylinder. At the same time, the piston rod is precision machined and surface treated to improve its wear resistance and corrosion resistance. During assembly, the cylinder needs to be pressure tested to ensure that it has no leakage under working pressure.
4. Assembly of accessories and actuators
Rack and pinion pneumatic actuators are usually equipped with accessories such as position sensors and limit switches to monitor and control the operating status of the actuator. During assembly, it is necessary to ensure that these accessories are accurately connected and reliably fixed to the actuator. Changzhou Xinneng uses standardized installation platforms and auxiliary equipment brackets to ensure the installation accuracy and stability of accessories.
5. Debugging and testing
After assembly, the rack and pinion pneumatic actuator needs to be fully debugged and tested. Including no-load running test, load running test, sealing test, noise test, etc., to ensure that the various performance indicators of the actuator meet the design requirements. During the test, the control loop of the actuator needs to be debugged to ensure that it responds quickly and moves accurately.
Measures to ensure the accuracy and stability of the fit between components
1. Advanced processing equipment and technology
Changzhou Xinneng Automatic Control Equipment Co., Ltd uses advanced CNC machine tools and processing technology to ensure the processing accuracy and surface quality of components. By optimizing processing parameters and process flow, processing errors and deformations are reduced and the fit accuracy of components is improved.
2. Strict quality control process
During the assembly process, a strict quality control process is implemented. From component inspection, assembly, debugging to testing, each link has strict quality inspection points to ensure that the product quality meets the design requirements. At the same time, a quality traceability system is established to trace and analyze the problems that arise, and continuously optimize and improve the process.
3. Precision measurement and testing methods
Use high-precision measurement and testing methods, such as three-coordinate measuring machines, laser rangefinders, etc., to accurately measure the size, tolerance, form and position errors of components. Through data analysis and comparison, deviations and errors in the assembly process are discovered and corrected in a timely manner.
4. Professional technical training and team building
Attach importance to technical training and team building. Regularly conduct professional skills training and assessment for employees to improve their technical level and operational capabilities. At the same time, a technical exchange and sharing mechanism is established to encourage employees to share experiences and innovative ideas, and continuously optimize and improve the assembly process.
5. Customer feedback and continuous improvement
Actively collect customer feedback and market demand information, and continuously improve and optimize product performance and assembly processes. By establishing long-term cooperative relationships with customers, understanding their usage and demand changes, and timely adjusting product design and assembly processes, we can improve the market competitiveness of products.
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