Flat Swing Clamp QDK High Precision Manufacturing Solution

Description

QDK Series: Horizontal Rotary Clamp Cylinder

High-Stability Precision Clamping with Zero Rotation Stroke

The QDK Series is a high-performance horizontal rotary clamp cylinder designed for advanced automation and industrial fixtures. Unlike traditional rotary cylinders, this series features a horizontal rotary construction where the complete rotation occurs on a horizontal plane, ensuring that the rotation stroke is zero and significantly saving vertical space.

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Key Technical Advantages

• Enhanced Stability: Engineered with double pins in the rotation guide groove to minimize vibration and increase operational stability during high-frequency cycles.
• Space-Saving Design: Its horizontal rotation path allows for a more compact footprint compared to vertical-swing series, making it ideal for low-clearance environments.
• Flexible Mounting: Available in two distinct front-end cap configurations—Boss type and Flush type—to accommodate various installation requirements.
• Integrated Sensing: The cylinder body is equipped with magnetic switch slots on multiple sides for the easy installation of induction sensors.
• Customizable Rotation: Supports both Levorotatory (QDKL)—anticlockwise swivel—and Dextrorotatory (QDKR)—clockwise swivel—directions with a standard rotation angle of 90°.

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Technical Specifications

Feature	Specification Details	Source
Bore Sizes (mm)	20, 25, 32, 40
Acting Type	Double Acting
Fluid	Filtered Air (40μm filter element required)
Operating Pressure	0.151.0MPa (22145psi)
Proof Pressure	1.5MPa (220psi)
Temperature Range	-20°C to 70°C
Rotation Angle	90° (Tolerance: ±3°)
Repeatability	±2°
Clamping Stroke	5 mm
Cushion Type	Bumper
Port Size	M5×0.8 (ø20-ø32); 1/8″ (ø40)

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Cylinder Thrust (Force Data)

The following table provides the theoretical thrust (N) in the Clamping (Inward) direction based on operating pressure:

Bore Size	Rod Size	0.2 MPa	0.4 MPa	0.6 MPa	0.8 MPa
20 mm	12 mm	20.1 N	60.3 N	100.5 N	140.7 N
25 mm	12 mm	55.5 N	131.1 N	206.7 N	282.3 N
32 mm	12 mm	111.2 N	250.4 N	388.6 N	526.8 N
40 mm	16 mm	180.7 N	391.7 N	602.7 N	813.7 N
(Note: Complete force data available for pressures ranging from 0.1 to 0.8 MPa).

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Premium Material Composition

Built for durability, the major components are constructed from high-grade industrial materials:

• Cylinder Body: High-strength Aluminum Alloy.
• Piston Rod: Scr440 Steel for high tensile strength.
• Rotary Axis: Scr440 Steel.
• Seals & O-rings: NBR (Nitrile Butadiene Rubber).
• Bumper: TPU (Thermoplastic Polyurethane).
• Magnet: Sintered metal (Neodymium-iron-boron).

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Selection & Application Guidelines

1. Arm Length and Pressure: When designing custom clamp arms, ensure the length and operating pressure remain within the allowable bending moment graph to prevent damage to the piston rod.
2. Inertia Management: If long or heavy arms are utilized, the cylinder speed must be reduced according to the Moment of Inertia chart to protect internal components.
3. Speed Control: To maximize the lifespan of the cylinder and the jig, it is mandatory to use flow control valves to regulate the swivel and clamping speed.
4. Air Quality: Clean air is essential; ensure a 40μm filter is used and the piping is purged of debris before connection.
5. Assembly Safety: When installing or removing a rocker arm, always secure the arm with a spanner while using an Allen wrench to tighten the bolt; never hold the cylinder body during this process to avoid internal damage