Description

Series CDJ2B Adjustable Stroke Mini Cylinder

Integrated Magnetic Sensing with Precision Stroke Tuning

The Series CDJ2B (Basic Mount) adjustable stroke cylinder is a high-precision pneumatic actuator designed for automated systems requiring variable end-position control. This variant utilizes a built-in magnet ring as standard for position feedback and features specialized internal hardware to allow for fine-tuned stroke adjustments of up to 15mm.

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1. Technical Specifications

Engineered for high-frequency industrial environments, the CDJ2B series adheres to the following performance benchmarks:

Feature	Specification Details	Data Source
Bore Sizes (mm)	ø6, ø10, ø16
Adjustment Range	0 to 15 mm
Action	Double Acting
Fluid	Compressed Air
Max. Operating Pressure	0.7 MPa (101.5 psi)
Min. Operating Pressure	0.12 MPa (ø6); 0.06 MPa (ø10, ø16)
Proof Pressure	1.05 MPa (152 psi)
Ambient & Fluid Temp.	-10°C to 60°C (with auto switch)
Piston Speed	50 to 750 mm/s
Cushion Type	Rubber Bumper (Standard)
Stroke Tolerance	+1.0 / 0 mm
Port Size	M5 × 0.8

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2. Adjustable Configuration Options

Depending on the mechanical requirement of the application, two distinct adjustment modes are available:

Extension Adjustable (-XC8): Provides a tuning range of 0 to 15mm on the outward stroke.
Retraction Adjustable (-XC9): Provides a tuning range of 0 to 15mm on the inward stroke.

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3. Key Engineering Features

Integrated Magnetic Sensing: All units include a built-in magnet ring as standard, allowing for flush-mounted or rail-mounted auto switches to detect end-of-stroke positions.
Non-Lube Design: Factory pre-lubricated for life; maintenance via lubrication is not required under normal operating conditions.
Stainless Steel Construction: Utilizes a stainless steel cylinder tube for superior corrosion resistance and high-speed durability.
Flexible Porting: The head end port can be oriented radially (standard) or axially (R-type) to optimize piping layout in tight spaces.

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4. Auto Switch Compatibility

The CDJ2B is compatible with various sensing technologies for precise cycle monitoring:

Reed Switch Models: C73, C76 series.
Solid State Models: H7A1, H7B, H7BA, H7NW series.
Mounting Brackets: Use BJ2 series bands (BJ2-006, BJ2-010, BJ2-016) for secure sensor attachment.

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Style 2: Systems Integration & Selection Guide

Series CDJ2B: High-Speed Actuation with 15mm Variable Stroke Control

The Compact Solution for Precision End-Stop Positioning

The CDJ2B Adjustable Stroke Series provides system designers with a reliable, space-saving pneumatic actuator that eliminates the need for external mechanical stoppers. By integrating the adjustment mechanism directly into the cylinder head or rod, this series allows for 0–15mm of precision tuning to accommodate workpiece variations or machine setup changes.

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Performance Envelope

Dynamic Response: Capable of operating speeds up to 750 mm/s, making it ideal for high-throughput assembly lines.
Pressure Stability: Operates consistently at pressures up to 0.7 MPa, with a low breakaway pressure starting at 0.06 MPa for ø10 and ø16 bores.
Thermal Range: Designed for stability in environments ranging from -10°C to 60°C.

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System Integration Checklist

Step 1: Define Adjustment Direction

Choose the Extension Adjustable (-XC8) type if the final outward position of the rod must be tuned.
Choose the Retraction Adjustable (-XC9) type if the return position must be precisely limited.

Step 2: Mounting & Spatial Layout

The Basic Type (B) mount provides threaded ends for direct installation into machine frames. For applications requiring piping from the rear rather than the side, the Axial Port (R) configuration is available for ø10 and ø16 bores.

Step 3: Sensing & Feedback

Every unit features an internal magnet. Ensure correct sensor selection (Reed or Solid State) and use the corresponding mounting bands based on the bore size:

ø6: BJ2-006
ø10: BJ2-010
ø16: BJ2-016

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Critical Maintenance & Operational Notes

Lubrication: While the series is non-lube, if the system requires lubrication, use Turbine Oil Class 1 (ISO VG32) exclusively.
Air Quality: Use filtered, compressed air to maintain seal integrity and performance.
Intermediate Stops: If using auto switches for mid-stroke detection, ensure the velocity is managed to prevent sensor “misses” during high-speed operation