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WENK Pneumatic CJPT Pin Cylinder(Double Acting)
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WENK Pneumatic CJPT Pin Cylinder(Double Acting)

he CJPT Needle Type Cylinder by WENK Pneumatic is a compact, high-precision double-acting pneumatic cylinder featuring a stainless steel body and rod for excellent corrosion resistance. Available in bore sizes 6mm, 10mm, and 15mm, it offers strokes from 5mm to 30mm with rubber bumper cushioning. Designed for applications requiring precise linear motion in limited spaces, this cylinder provides reliable performance with operating pressures from 0.12MPa to 0.7MPa and temperatures from -10°C to 70°C. Ideal for industrial automation, medical equipment, and precision machinery.

    Product Detail

    Acting Mode

    Single rod Double-Acting

    Working Media

    Air

    Working Pressure

    Φ4:0.15~0.7Mpa | Φ6:0.12~0.7Mpa | Φ10/Φ16:0.06~0.7Mpa

    Working Temperature Range

    -10℃~60℃

    Piston Speed

    10~500mm/s

    Body Material

    Aluminum Alloy

    CJPT Needle Type Cylinder Operating Manual

    CJPT(1)

    1. Product Introduction

    The CJPT Needle Type Cylinder by WENK Pneumatic is a high-precision compact double-acting pneumatic actuator manufactured with stainless steel, offering excellent corrosion resistance and durability. This product is suitable for industrial automation scenarios with limited space requiring precise linear motion, particularly for medical equipment, precision machinery, and automated production lines.

    Key Features:

    • Stainless steel cylinder body and piston rod for good corrosion resistance
    • Double-acting design providing reliable extension and retraction movements
    • Rubber bumpers at both ends for smooth, quiet operation
    • Compact structure, small size, lightweight
    • Multiple mounting options: basic type, flange type, foot type, earring type, trunnion type
    • Bore sizes: 6mm, 10mm, 15mm
    • Stroke range: 5mm-30mm
    • Built-in magnet ring option for magnetic switch installation

    CJPT(2)

    2. Working Principle

    The CJPT needle cylinder uses compressed air to drive the piston, achieving reciprocating linear motion of the piston rod:

    1. Extension Process: Compressed air enters the rodless chamber of the cylinder, pushing the piston and piston rod outward
    2. Retraction Process: Compressed air enters the rod chamber of the cylinder, pushing the piston and piston rod inward
    3. Buffering Mechanism: Rubber bumpers at both ends absorb impact energy, reducing noise and vibration

    Key Operating Parameters:

    • Working medium: Clean compressed air (40μm filtration recommended)
    • Working pressure range:
      • 6mm bore: 0.12-0.7MPa
      • 10mm/15mm bore: 0.06-0.7MPa
    • Operating temperature range:
      • Without magnetic switch: -10-70℃
      • With magnetic switch: -10-60℃
    • Piston speed range: 50-500mm/s
    • Lubrication: Non-lube (Turbine oil No.1 ISOVG32 recommended if lubrication is needed)

    CJPT(3)

    3. Installation and Connection

    Installation Preparation:

    1. Confirm that the installation environment meets temperature requirements
    2. Prepare necessary installation tools and accessories
    3. Check that the cylinder exterior is intact without damage or deformation

    Installation Steps:

    1. Select Mounting Method:

      • Basic type (B): Directly fix through cylinder body mounting holes
      • Flange type (F): Mount through front flange
      • Foot type (L): Mount through bottom foot
      • Earring type (D): Mount through earring
      • Trunnion type (T): Mount through trunnion
    2. Secure the Cylinder:

      • Use appropriate bolts (recommended strength grade 8.8 or higher)
      • Ensure the mounting surface is flat and bolt torque meets requirements
      • Avoid over-tightening which may cause cylinder body deformation
    3. Air Pipe Connection:

      • Confirm air source pressure is within the specified range
      • Use appropriate air pipes and fittings to connect to air inlets (M5×0.8 thread)
      • It is recommended to install filters and pressure regulators before the air inlet
      • Correctly connect air inlet and outlet according to markings on the cylinder body
    4. Magnetic Switch Installation (optional):

      • Select appropriate magnetic switch model (such as 97, 93A, etc.)
      • Install magnetic switches in the reserved mounting slots on the cylinder body
      • Adjust switch position to ensure accurate piston position detection
      • Correctly connect electrical wiring according to switch instructions

    CJPT(4)

    4. Operating Instructions

    Initial Use:

    1. Slowly increase air pressure to working pressure, observe if the cylinder moves smoothly
    2. Test piston rod extension and retraction movements, confirm no abnormal noise or jamming
    3. Check if piston rod movement is linear without deviation

    Daily Operation:

    1. Pressure Adjustment:

      • Adjust working pressure according to load size
      • Use lower pressure for light loads, higher pressure for heavy loads
      • Maximum pressure not exceeding 0.7MPa
      • Regularly check if pressure is stable
    2. Speed Control:

      • Control piston speed by adjusting flow control valves
      • Recommended speed range: 50-500mm/s
      • Avoid excessive speed which may cause impact and vibration
      • Avoid too slow speed which may cause crawling phenomenon
    3. Maintenance:

      • Regularly check if air pipe connections are secure and free from leaks
      • Keep the cylinder surface clean, prevent dust and impurities from entering
      • Check if piston rod surface is damaged, replace if necessary
      • If not in use for a long period, release air pressure and keep piston rod in retracted state

    Safety Precautions:

    1. Ensure all mounting bolts are securely tightened before operation
    2. Avoid contact with moving parts when the cylinder is working
    3. Must cut off air supply during maintenance or adjustment
    4. Do not exceed maximum working pressure to avoid equipment damage
    5. Ensure correct electrical connection when installing magnetic switches to avoid short circuit

    CJPT(5)

    5. Troubleshooting

    Common Problems and Solutions:

    1. Cylinder Does Not Move

      • Check if air source pressure is normal
      • Confirm if air pipe connections are correct and free from leaks
      • Check if there are foreign objects stuck inside the cylinder
    2. Abnormal Movement Speed

      • Check if air source pressure is stable
      • Confirm if flow control valve adjustment is appropriate
      • Check if internal cylinder seals are worn
    3. Piston Rod Deviation

      • Check if installation is correct and free from tilting
      • Confirm if load is centered to avoid eccentric load
      • Check if piston rod is bent or damaged
    4. Abnormal Noise or Vibration

      • Check if buffer pads are worn or damaged
      • Confirm if working pressure is too high
      • Check if load is too large or uneven
    5. Magnetic Switch Not Working

      • Check if switch installation position is correct
      • Confirm if electrical connection is good
      • Check if magnetic switch is damaged

    Maintenance Recommendations:

    • If the fault cannot be resolved independently, please contact WENK Pneumatic technical support
    • Regularly check wear conditions of key components and replace wearing parts timely
    • Professional technical personnel are recommended for maintenance work
    • Original accessories are recommended when replacing parts to ensure compatibility and performance

    CJPT针型气缸(双作用)

    Our Commitments & Core Advantages

    1. We are a factory specializing in the production of pneumatic components, with mature manufacturing experience and technology.
    2. We manufacture and supply a wide range of series and specifications of air cylinders and pneumatic components, providing you with flexible options.
    3. We can undertake the customization business of various pneumatic components according to the specific needs of customers.
    We adhere to the service concept of efficiency and thoughtfulness, making you feel comfortable throughout the cooperation process, just as smooth as cooperating with a close friend.

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