A stopper cylinder is engineered to withstand high side-impact loads that would destroy a standard cylinder. Its reinforced rod, heavy-duty bearing, and built-in cushioning stop heavy pallets without bending, leaking, or rebound. A mechanical lock keeps the lever arm down under continuous conveyor thrust. Ideal for assembly line pallet stops, feed separators, and automated conveyor systems.
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A stopper cylinder is a specialized pneumatic actuator designed for assembly lines, pallet conveyors, and material handling systems. Its core function is to stop moving workpieces or pallets at a precise position. Whether used as a pallet stopper for pallet handling or a workpiece separator for part feeding, the stopper cylinder is an essential standard component in automated material flow control.
However, a fully loaded pallet can weigh dozens or even hundreds of kilograms and travel at high speeds on a conveyor line. When it hits a stopping device, the impact force can easily bend a standard cylinder rod, damage seals, and loosen mounting bolts. Worse, an abrupt stop causes rebound, making accurate positioning impossible for subsequent processes.
A pneumatic stopper is specifically engineered to overcome these challenges. It is not simply a standard cylinder with a block attached. Instead, it integrates reinforced bearings, a thickened piston rod, a built-in hydraulic shock absorber, and a mechanical self-locking mechanism into a complete module. It is the indispensable conveyor stopper for modern automated conveyor systems.
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| Feature | RSQ Stopper Cylinder | Standard Cylinder |
|---|---|---|
| Piston Rod | Extra-thick for high bending rigidity | Standard diameter |
| Bearing | Extended, heavy-duty bearings | Standard bearing length |
| Cushioning | Built-in shock absorber for smooth stops | Air cushion or rubber bumper |
| Side Load Capacity | High (designed for impact) | Very low (not for side impact) |
| Self-Locking | Mechanical pawl lock available | None |
| Application | Conveyor stopper, pallet handling | General linear actuation |
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The Fokca RSQ series is a fixed-height stopper cylinder that mounts directly to equipment without additional brackets. It features a thickened piston rod and oversized bearings, enabling it to withstand the high side loads generated by pallet impacts on conveyor lines.
Key Advantages:
● Versatile rod end options – Choose from cylindrical, chamfered, roller, and lever types. The lever type can be equipped with a release cap, locking mechanism, and adjustable energy screw.
● Magnetic switch ready – The cylinder body has a built-in magnet, allowing magnetic switches to be mounted on all four sides for position sensing.
● Multiple actuation modes – Available in single-acting, double-acting, and double-acting with spring return configurations to suit various control requirements.
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1. Impact forces transfer to the mounting surface. Ensure the mounting bracket or base is rigid enough to prevent shifting under repeated impacts.
2. Depending on workpiece weight and speed, optimize cushioning performance by adjusting the mounting position as needed.
3. Rollers wear over time, creating gap that reduces positioning accuracy. Inspect and replace worn rollers periodically.
4. Install a magnetic switch (position sensor) on the stopper cylinder to confirm that the workpiece has arrived before proceeding to the next operation.
5. If manual pallet release is required during maintenance, the stopper can be disengaged manually using the release mechanism.
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