Application Of Precision Air Pressure Valve In Automation Equipment

Precision air pressure valve is a control element used to accurately adjust air pressure. It can stabilize the output pressure and ensure that the automation equipment maintains high precision and high efficiency in various working environments. Compared with ordinary air pressure regulating valves, precision air pressure valves have higher sensitivity and stability, and are suitable for automation systems that require precise pressure control, such as electronic manufacturing, medical equipment, robot control and pneumatic tools.

Working principle of precision air pressure valve

Precision air pressure valve usually adopts multi-stage pressure regulation or diaphragm structure, which can accurately adjust the air source pressure. Its working process includes:

Pressure input: compressed air of a certain pressure is supplied through the air source.

Pressure regulation: the internal pressure regulating mechanism (such as diaphragm, spring or pilot valve) accurately controls the output pressure to prevent air pressure fluctuations.

Pressure output: the regulated stable air pressure is delivered to the downstream automation equipment.

Typical applications of precision air pressure valves in automation equipment

1. Robots and automated production lines

When industrial robots perform precision operations (such as grasping, assembly, and dispensing), precision air pressure valves can control the strength of pneumatic grippers to ensure stable clamping force and avoid damage to workpieces.

In automated production lines, they are used to adjust the pressure of actuator cylinders to make movements smoother and more precise.

2. Semiconductor and electronic manufacturing

In chip manufacturing, PCB welding, and precision electronic assembly, precision air pressure valves can stably control the negative pressure of pneumatic adsorption devices to ensure accurate handling and assembly of electronic components.

Applicable to ultra-clean environments to prevent process defects caused by pressure fluctuations.

3. Medical equipment

Used in equipment such as ventilators and anesthesia machines to ensure a stable gas supply to ensure patient safety.

In laboratory automation equipment (such as liquid handling systems and blood analyzers), precision air pressure valves can accurately control the flow and pressure of trace gases.

4. Aerospace and precision instruments

In aerospace test equipment, precision air pressure valves are used to accurately control the pressure of fuel, oxygen, or nitrogen to ensure the stability and reliability of experimental data.

In high-precision instruments (such as microscopes and optical systems), control the pressure of the air flotation platform to achieve frictionless movement and improve measurement accuracy.

5. Pneumatic tools and laser cutting

Used in pneumatic wrenches and pneumatic spraying equipment to ensure constant pressure and improve tool life and operating accuracy.

During laser cutting and welding, control the pressure of auxiliary gases (such as nitrogen, oxygen, and carbon dioxide) to improve cutting quality.

Advantages of precision air pressure valves

High-precision pressure regulation

Adopting a multi-stage pressure regulation design, the adjustment accuracy can reach within ±0.1%, which is suitable for high-precision application scenarios.

Strong stability

It has good anti-interference ability and can ensure constant output pressure even if the gas source fluctuates.

Fast response speed

Suitable for dynamic systems that need to adjust pressure quickly to improve production efficiency.

High durability

Made of high-strength materials, it can withstand high-frequency use and reduce maintenance costs.

Strong compatibility

It can be combined with automatic control systems such as PLC and sensors to achieve remote monitoring and intelligent adjustment.

Selection and maintenance of precision air pressure valves

1. Selection guide

Pressure range: Select the appropriate pressure adjustment range according to the equipment requirements, such as 0.01MPa-1.0MPa, etc.

Flow requirements: Ensure that the valve body flow meets the system requirements to avoid insufficient air supply.

Installation environment: Consider the working temperature, humidity and cleanliness, and select corrosion-resistant and high-temperature resistant materials.

Interface size: Compatible with existing pneumatic pipelines to avoid installation difficulties.

2. Maintenance points

Check the seals regularly to prevent leakage.

Clean the air source filter to prevent dust and oil from affecting the sensitivity of the valve.

Avoid overpressure to prevent damage to the valve body or loss of accuracy.

Calibrate the output pressure regularly to ensure that the equipment operation accuracy meets the requirements.