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The Great Use of Clamps - Normally Closed Type

Publish Time：

2025-01-23

Small clamping devices (guide rail locks, clamps) have a big role and are used in many fields. They work perfectly with linear guide sliders (THK linear guide sliders, HIWIN linear guide sliders, HTPM linear guide sliders).

I. Working Principle

Pneumatically normally closed clamps use air pressure as a power source. Clamping is achieved through a spring storing energy acting on a wedge block; clamping is released using air pressure. This design ensures that even in extreme cases of power failure or air pressure failure, the clamp automatically locks, effectively preventing accidental movement and falling during production. It should be noted that the wedge block should not be removed before use, otherwise it will damage the components.

II. Features and Advantages

1. Excellent Safety Performance:

• Normally Closed Design: Remains closed when there is no air pressure, effectively preventing accidental release due to misoperation or air pressure failure.

• Fast Response: Can complete braking action in milliseconds, ensuring rapid stop in emergencies.

2. High Precision and High Efficiency:

• High Positioning Accuracy: Precise structural design and strong holding force allow the worktable to maintain extremely high stability in a fixed state.

• Adjustable Braking Torque: Flexibly adjust the braking force according to the weight, running speed, and work requirements of different equipment.

3. Wide Applicability and Environmental Adaptability:

• Widely used in various stages of new energy vehicle production lines, such as battery pack assembly and precision assembly of motors.

• Can work stably and reliably under harsh conditions such as high temperature, high humidity, dust, and oil stains.

4. Intelligent and Easy Maintenance:

• Some high-end models incorporate intelligent technology, realizing seamless docking with the production line control system, enabling real-time monitoring and data analysis.

• Has fault self-diagnosis and remote maintenance functions, reducing maintenance costs.

III. Application Examples

In the production of new energy vehicles, pneumatically normally closed clamps are widely used in the assembly of key components such as battery modules and drive motors. Their precise clamping force and fast response characteristics ensure the stable fixation of these precision components, thereby improving product quality and consistency. They also play an important role in the fixed slides and precision positioning devices of automated assembly lines.

In summary, pneumatically normally closed clamps are playing an increasingly important role in the automation field of new energy vehicle production lines due to their unique design and excellent performance. With the continuous development of the new energy vehicle industry and the continuous advancement of technology, it is believed that it will play an even more important role in the future.

Clamp, slider, precision, linear guide

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