SUN CHEN Pneumatic Boosting Cylinder 50 Capacity 12.7 Stroke: 80CC

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The CHEN SOUND INDUSTRIAL (SUN) SUN-50-12.7 is a compact hydro-pneumatic booster cylinder designed for CNC tool clamping systems. It converts compressed air into intensified hydraulic pressure to provide the force required for drawbar clamping and unclamping, fixture clamping and auxiliary hydraulic operations.

The unit features a 50 mm cylinder diameter (Φ50) and a 12.7 capacity specification. It is suitable for machining centers, CNC lathes and other machine tools requiring reliable and consistent clamping pressure. Volume / stroke options: Often associated with oil discharge volumes such as 80 cc.

The booster is connected to the machine’s compressed-air circuit and hydraulic clamping circuit. It provides pressure intensification without requiring a separate hydraulic power unit, making it suitable for compact CNC clamping systems.

The volume and stroke options are often associated with oil discharge volumes such as 80 cc, depending on the specific configuration of the booster and the machine application.

The SUN-50-12.7 is manufactured in Taiwan by CHEN SOUND INDUSTRIAL (SUN) and is supplied as a complete assembly. It is suitable as a replacement unit, spare part or CNC replacement component for maintenance, retrofit and emergency repair applications.

Before replacement, technicians should verify the 50 mm cylinder diameter, 12.7 capacity, oil discharge volume, stroke, mounting configuration and pneumatic and hydraulic connections to ensure compatibility with the existing installation.

A unit can be tested on hydro-pneumatic test equipment to verify pressure boosting, operating performance and leakage control. This makes the SUN-50-12.7 a practical solution for restoring reliable CNC tool clamping and reducing machine downtime.

Frequently asked questions about Pneumatic Boosting Cylinder 50 Capacity 12.7:

Is this booster suitable for my machine’s drawbar clamping circuit
It is designed for tool clamping applications that use a hydro-pneumatic intensifier. Confirm physical footprint, connection ports and performance class with your current unit or technical file before ordering to ensure a drop-in replacement.

What does 50 Capacity 12.7 indicate
This follows SUN CHEN’s designation for the model variant. Verify the exact meaning in your technical documentation so it matches your installed booster’s performance and stroke characteristics.

Can I use it as a field replacement without changing valves or controls
In most cases yes when replacing the same SUN series model. Keep the same air supply and control logic, and ensure the hydraulic line routing and mounting points correspond to the removed unit.

What air and oil requirements should be checked before commissioning
Use clean, dry plant air within the range specified for your system and confirm compatible hydraulic medium already used on the machine. Inspect sealing surfaces and lines, then perform a functional clamp and unclamp test to validate pressure build and holding.