Product Report: CDLQA63-100DM-B Thin Locking Cylinder
2025-07-09- Product Overview
CDLQA63-100DM-B is a thin locking cylinder launched by Japan’s SMC (or similar brands), belonging to compact pneumatic actuators. Its core features are lightweight structure, space-saving, and integrated mechanical locking function, which is suitable for occasions requiring intermediate positioning or preventing accidental movement. - Key Features
Thin design: Compared with standard cylinders, the thickness is significantly reduced, suitable for occasions with limited installation space

Built-in locking mechanism: The locking device is driven by a spring or air pressure, which can maintain position stability even when power/gas is cut off.
High rigidity: It can withstand large lateral loads (such as vibration or external impact) in the locked state.
Double-acting drive: Supports two-way air pressure control, with stable reciprocating movement.
Optional accessories: Magnetic switches (for position detection), buffer adjustment, etc.
- Technical Parameters
| Item | Parameter Value |
| —- | —- |
| Cylinder bore | 63 mm |
| Stroke | 100 mm |
| Locking method | Mechanical (spring/pneumatic) |
| Working pressure range | 0.1~0.7 MPa |
| Operating temperature range | -10°C~60°C |
| Repeat positioning accuracy | ±0.1 mm |
| Material | Aluminum alloy cylinder block, with hard anodizing treatment | - Application Scenarios
Vertical load positioning: Such as the intermediate position locking of lifting platforms and fixtures.
Safety protection: Prevent the cylinder from sliding down during emergency stop (such as handling equipment).
Precision machinery: Detection or assembly stations that need to avoid vibration interference.
- Advantages and Limitations
Advantages:
Space-saving, suitable for high-density layout.
Large locking force and high stability.
Limitations:
The locking mechanism may increase maintenance complexity.
Higher price than ordinary cylinders.
Summary
CDLQA63-100DM-B thin locking cylinder solves the core needs of positioning and anti-interference in pneumatic systems through its compact design and reliable locking function. It is suitable for industrial scenarios with strict requirements on space and safety, but the cost and maintenance factors need to be weighed. When selecting models, it is recommended to match according to the load, speed and environmental conditions (such as dust-proof requirements).
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