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QCK series Swing clamp cylinder is a compact 90° rotary-downward clamping pneumatic cylinder (also known as a rotary pneumatic cylinder) featuring a low-profile body and designed primarily for welding applications. Its operating sequence involves first rotating 90° and then clamping via a vertical downward stroke; the reset sequence involves first lifting and then rotating back to the open position.
Operating Principle: The piston rod features an internal helical guide groove, enabling a two-stage compound motion:
1. Rotation Stage: The piston rod rotates 90° while simultaneously rising or descending, swinging the clamp arm clear of the area above the workpiece.
2. Clamping Stage: The piston rod moves vertically downward to clamp the workpiece.
There is no mechanical self-locking mechanism; the clamp will release upon loss of air pressure, so continuous air supply is required to maintain clamping force. Clamping force is generated solely during the vertical clamping stroke; the rotation stage cannot be used to clamp the workpiece.
Excellent resistance to dust and welding spatter: The front cover features a stainless steel dust scraper ring that protects the cylinder from damage caused by dust and flying welding spatter, offering greater reliability than a dust boot.
Integrated sensor mounting slots (mounting slots for magnetic switches)
A variety of piston rod end styles are available: tapered type (with rocker arm) and flat type (without rocker arm).
Suitable for welding environments: The piston rod features a QPQ finish, offering excellent resistance to weld spatter adhesion.
High versatility: The body’s mounting dimensions and installation method are identical to those of the ACQ cylinder series, allowing for the use of ACQ mounting accessories.

| Đường kính lỗ (mm) | 12 | 16 | 20 | 25 | 32 | 40 | 50 | 63 |
| Form of action | Loại hai chiều | |||||||
| Phương tiện làm việc | Không khí (được lọc qua lưới mắt cáo 40 µm) | |||||||
| Phạm vi áp suất làm việc | 0.2~1.0Mpa(29~145psi)(2.0~10bar) | 0.15~1.0Mpa(22~145psi)(1.5~10bar) | ||||||
| Đảm bảo khả năng chịu áp lực | 1.5Mpa(215psi)(15bar) | |||||||
| Nhiệt độ hoạt động | -20°C đến 70°C | |||||||
| Phạm vi tốc độ vận hành | 50~200mm/s | |||||||
| Rotation angle | 90° | |||||||
| Repeat positioning accuracy | ±2° | |||||||
| Direction of rotation | Left-handed or right-handed | |||||||
| Clamping stroke | 10mm.20mm | 10mm,20mm,30mm | 10mm,20mm,30mm,50mm | |||||
| Phạm vi dung sai đột quỵ | +1.0 | |||||||
| Biểu mẫu đệm | Miếng đệm chống va chạm | |||||||
| Rotary stroke | 7.5mm | 9.5mm | 15mm | 19mm | ||||
| Kích thước ren của đầu nối | M5 × 0,8 | PT1/8 | PT1/4 | |||||
Các loại ren có sẵn cho kết nối bao gồm PT, G và NPT.

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