China wholesaler Hydraulic Cylinders Mill Type Series Cdh1 / Cgh1 / Csh1 CZPT High Temperature and High Pressure Die Cylinder, European Standard Hydraulic Cylinder, Metallurg vacuum pump distributors

Product Description

 

 

Hydraulic cylinders, mill type CDH

  • Rexroth standard
  • Series H1
  • Component series 3X
  • Nominal pressure 250 bar
  • Piston Ø 40 … 320 mm
  • Piston rod Ø 22 … 220 mm
  • Stroke length up to 6000 m
  • Ordering code

    01

    02

    03

     

    04

     

    05

     

    06

    07

    08

     

    09

    10

    11

    12

    13

    14

    15

    16

    CD

    H2

     

    /

     

    /

     

    /

     

    A

    3X

    /

                   

    01

    Single rod cylinder

    CD

    02

    Series

    H2

    Types of mounting

    03

    Swivel eye at cylinder base

    MP3

    Self-aligning clevis at cylinder base

    MP5

    Round flange at the cylinder head

    MF3

    Round flange at the cylinder base

    MF4

    Trunnion

    MT42)

    Foot mounting

    MS218)

    04

    Piston Ø (ØAL) 40 … 320 mm

    05

    Piston rod Ø (ØMM) 25 … 220 mm

    06

    Stroke length in mm3)

    Design principle

    07

    Head and base flanged

    A

    08

    Component series 30 … 39 (30 … 39: unchanged installation and connection dimensions)

    3X

    Line connection / version

    09

    According to ISO 1179-1 (pipe thread ISO 228-1)

    B

    According to ISO 9974-1 (metric thread ISO 261)

    M33)

    Flange connection according to ISO 6162-1 tab. 2 type 1 (≙ SAE 3000 PSI)

    F4; 21)

    Flange connection according to ISO 6162-2 tab. 2 type 1 (≙ SAE 6000 PSI)

    D4; 9)

    Flange connection according to ISO 6164 tab. 1

    K1; 4)

    Flange connection according to ISO 6164 tab. 2

    H4)

    according to ISO 1179-1 (pipe thread ISO 228-1) with flat pipe flange

    C31)

    For directional and high-response valves

    Subplate NG6

    P4; 5)

    Subplate NG10

    T4; 6)

    Subplate NG16

    U4; 7)

    Subplate NG25

    V4; 32)

    For SL and SV valves

    Subplate NG6

    A4; 5; 15)

    Subplate NG10

    E4; 6; 15)

    Subplate NG20

    L4; 7; 15)

    Subplate NG30

    N4; 32; 15)

    Line connection/position at cylinder head

    10

    View to piston rod30)

     

    1

    2

    3

    4

    Line connection/position at cylinder base

    11

    View to piston rod30)

     

    1

    2

    3

    4

    Piston rod design

    12

    Hard chromium-plated

    C

    Hardened and hard chromium-plated

    H23)

    Nickel-plated and hard chromium-plated

    N19)

    Piston rod end

    13

    Thread for swivel head CGKD

    H

    With mounted swivel head CGKD

    F

    End position cushioning

    14

    Without end position cushioning

    U

    Both sides, self-adjusting

    D1)

    Both sides, adjustable

    E

    Seal design

    15

    For mineral oil HL, HLP and oil-in-water emulsion HFA

    Standard seal system

    M

    Standard seal system with guide rings

    L

    Reduced friction
    heavy industry

    R

    For mineral oil HL, HLP, oil-in-water emulsion HFA and water glycol HFC

    Standard seal system HFC

    G

    Servo quality/reduced friction

    T

    Chevron seal kits

    A

    For HDFR phosphate ester and HFDU polyol ester

    Servo quality/reduced friction

    S

    Standard seal system FKM

    V

    Chevron seal kits

    B

    Option

    16

    Without additional options, do not fill fields for additional options

    W

    Additional options, fill fields for additional options

    Z

    Additional options

         

    Fields for additional options

         

    17

    18

    19

    20

    21

    22

    23

    24

     

    Z

                     

    17

    Without inductive proximity switches

    W

    Inductive proximity switches without mating connector – separate order

    E37)

    18

    Without additional guide rings

    W

    Additional guide rings

    F10; 28)

    19

    Without measuring coupling

    W

    Measuring coupling, on both sides

    A

    20

    Standard conical grease nipple, DIN 71412 Form A

    W

    Flanged grease nipple, DIN 3404 Form A

    B

    21

    Without piston rod extension

    W

    Piston rod extension “LY”, specify in mm in plain text

    Y

    22

    Priming class CP3

    W

    Painting class CP4

    B11)

    Painting class CP5

    L11)

    Painting class CP6

    U11)

    Painting class CP7

    E11)

    23

    Without oil filling

    W

    With oil filling

    F

    24

    Without test certificate

    W

    With acceptance test certificate 3.1 based on EN 15714

    C

    1) Only piston Ø 40 … 200 mm
    2) Trunnion position freely selectable. When ordering, always specify the “XV” dimensions in the plain text in mm
    3) For max. available stroke length see Technical data and for admissible stroke length (according to the kinking calculation) see Project plHangZhou information.
    4) Not possible with MF4
    5) Piston Ø 40 … 80 mm, only position 11, subplates only possible in combination with line connection “B” at the head
    6) Piston Ø 63 … 200 mm, only position 11, subplates only possible in combination with line connection “B” at the head
    7) Piston Ø 125 … 200 mm, only position 11, subplates only possible in combination with line connection “B” at the head
    9) Only piston Ø 80 … 320 mm
    10) Seal designs A, B not possible; piston Ø 220 … 320 mm standard
    11) Specify RAL color in the plain text
    15) Subplates for SL and SV valves (isolator valves)
    Note: Seal designs T, G, L, R, S and V are not designed for the static holding function!
    18) Not standardized
    19) Only piston rod Ø 40 … 160 mm
    21) Only piston Ø 63 … 200 mm
    23) Only piston rod Ø 25 … 140 mm
    28) With seal design “L” standard
    30) All graphical representations in the data sheet show position 1
    31) With MS2, only position 11 is possible
    32) Piston Ø 180 … 200 mm, only position 11, subplates only possible in combination with line connection “B” at the head
    33) Version does not comply with ISO 6571
    37) Min. stroke length = 20 mm.
     
      Order examples:
      Without additional options:
      CDH2MT4/63/45/350A3X/B11CHDMW, XV = 300 mm
      With additional options:
      CDH2MF3/80/56/500A3X/B11CHDMZ EWAWW
      With order-relevant information:
      CDH2MT4/63/45/350A3X/B11CHDMW-P, XV = 300 mm
      CDH2MF3/80/56/500A3X/B11CHDMZ EWAWW-P
       
       

Certification: CE, ISO9001
Pressure: High Pressure
Work Temperature: High Temperature
Customization:
Available

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rotary cylinder

How do rotary cylinders manage variations in hydraulic pressure and flow rate?

Rotary cylinders are designed to effectively manage variations in hydraulic pressure and flow rate. Here’s a detailed explanation:

1. Pressure Regulation: Rotary cylinders incorporate various mechanisms to manage variations in hydraulic pressure. These mechanisms include pressure relief valves, pressure control valves, and flow control valves. Pressure relief valves are designed to protect the cylinder and the hydraulic system from excessive pressure by diverting excess fluid flow back to the reservoir. Pressure control valves, such as pressure reducing valves or pressure sequence valves, are used to regulate the pressure applied to the rotary cylinder. These valves ensure that the cylinder operates within the desired pressure range, accommodating variations in the hydraulic system.

2. Flow Control: Rotary cylinders also utilize flow control mechanisms to manage variations in hydraulic flow rate. Flow control valves, such as flow restrictors or flow control regulators, are employed to control the amount of fluid flowing into or out of the cylinder. By adjusting the opening of these valves, the flow rate can be regulated, allowing for precise control of the cylinder’s rotational speed or angular displacement. Flow control valves help manage variations in flow rate and optimize the cylinder’s performance.

3. Proportional Control: Proportional control valves are often used in conjunction with rotary cylinders to manage variations in pressure and flow rate. These valves provide continuous and precise control over the hydraulic pressure and flow by adjusting the valve opening proportionally to the input signal. Proportional control allows for real-time adjustments in response to changing operational requirements, ensuring accurate and efficient management of pressure and flow variations.

4. Feedback Devices: Rotary cylinders can incorporate feedback devices, such as pressure sensors and flow sensors, to monitor and provide feedback on the hydraulic pressure and flow rate. These sensors provide real-time information about the operating conditions, allowing for dynamic adjustments to maintain desired pressure and flow levels. Feedback devices help ensure the stability and consistency of the cylinder’s performance, even in the presence of variations in hydraulic pressure and flow rate.

5. Accumulators: In some cases, rotary cylinders can utilize hydraulic accumulators to manage variations in pressure and flow rate. Accumulators store hydraulic energy in the form of pressurized fluid, which can be released when needed to compensate for fluctuations in pressure or flow. By providing an additional source of energy, accumulators help maintain consistent pressure and flow, preventing adverse effects caused by sudden changes in hydraulic conditions.

6. System Design and Optimization: Proper system design and optimization play a crucial role in managing variations in hydraulic pressure and flow rate. This includes selecting appropriate components, sizing the hydraulic lines, and ensuring proper fluid filtration and conditioning. By designing the hydraulic system to match the requirements of the rotary cylinder and the application, variations in pressure and flow rate can be effectively managed, resulting in optimal performance.

By employing these strategies and mechanisms, rotary cylinders can effectively manage variations in hydraulic pressure and flow rate, ensuring reliable and consistent performance in a wide range of applications.

rotary cylinder

How do rotary cylinders handle variations in environmental conditions?

Rotary cylinders are designed to handle variations in environmental conditions encountered in different applications. Here’s a detailed explanation:

1. Robust Construction: Rotary cylinders are constructed using durable materials such as high-grade metals, alloys, and seals that can withstand harsh environmental conditions. They are designed to resist factors like vibration, shock, temperature variations, dust, moisture, and exposure to corrosive substances. The robust construction ensures that rotary cylinders can operate reliably and maintain performance integrity in challenging environments.

2. Sealing Mechanisms: Rotary cylinders incorporate sealing mechanisms to prevent the ingress of contaminants such as dirt, water, and chemicals. These sealing mechanisms include O-rings, wipers, and lip seals, which create a barrier between the cylinder’s internal components and the external environment. Effective sealing helps protect the cylinder’s internal parts, ensuring smooth operation and preventing damage caused by environmental factors.

3. Lubrication Systems: Proper lubrication is essential for the smooth functioning of rotary cylinders. They are equipped with lubrication systems that deliver lubricants to critical moving parts, reducing friction, wear, and the risk of corrosion. Lubrication systems can be designed to operate under different environmental conditions, ensuring optimal performance and longevity of the cylinder.

4. Temperature Compensation: Rotary cylinders can be designed with temperature compensation features to accommodate variations in operating temperatures. When exposed to high or low temperatures, materials can expand or contract, potentially affecting the cylinder’s performance. Temperature compensation mechanisms, such as thermal expansion compensation or heat dissipation features, help maintain the cylinder’s dimensional stability and performance in different temperature conditions.

5. Protective Coatings: In environments where there is a high risk of corrosion or abrasion, rotary cylinders can be coated with protective layers or treatments. These coatings, such as corrosion-resistant plating, powder coatings, or specialized coatings for specific applications, provide an additional barrier against environmental factors and extend the cylinder’s lifespan.

6. Environmental Testing: Manufacturers subject rotary cylinders to rigorous testing procedures to ensure their performance and reliability under various environmental conditions. These tests may include temperature cycling, humidity exposure, dust and particle ingress testing, vibration testing, and salt spray testing. Environmental testing helps identify potential weaknesses and allows for improvements in design and materials to enhance the cylinder’s ability to handle environmental variations.

7. IP Ratings: In industrial applications, rotary cylinders are often assigned an Ingress Protection (IP) rating. IP ratings indicate the level of protection against solid particles (first digit) and moisture (second digit) that the cylinder can withstand. Higher IP ratings signify greater resistance to environmental factors. Users can select rotary cylinders with appropriate IP ratings based on the specific environmental conditions of their application.

8. Application-Specific Designs: Depending on the industry and application requirements, rotary cylinders can be designed with specific environmental considerations in mind. For example, in marine or offshore applications, cylinders can be corrosion-resistant and designed to withstand saltwater exposure. In dusty environments, additional filtration systems can be incorporated to prevent dust ingress. Customized designs allow rotary cylinders to handle variations in environmental conditions effectively.

By incorporating these features and design considerations, rotary cylinders can effectively handle variations in environmental conditions, ensuring reliable performance and longevity in diverse applications.

rotary cylinder

Can rotary cylinders be used for both rotary motion and linear motion?

No, rotary cylinders are specifically designed for generating rotary motion and are not typically used for linear motion. Here’s a detailed explanation:

Rotary Motion:

Rotary cylinders, also known as rotary actuators, are primarily used to convert fluid power into rotational motion. They are designed to generate torque and rotate around a central axis. The rotational movement can be in a full 360-degree rotation or limited to a specific angle depending on the application and the design of the cylinder.

Linear Motion:

For linear motion, a different type of actuator, such as linear cylinders or linear actuators, is used. Linear cylinders are specifically designed to generate linear motion by extending or retracting a piston rod in a linear path. These actuators are commonly used in applications where straight-line movement is required, such as pushing, pulling, lifting, or sliding objects.

Differences:

The design and internal mechanism of rotary cylinders are optimized for rotational motion, while linear cylinders are designed to provide linear motion. These two types of actuators have different structures and operating principles to fulfill their respective purposes.

While rotary cylinders cannot directly produce linear motion, they can be part of a system that combines both rotary and linear motion. For example, in some applications, a rotary cylinder can be used to generate rotational motion, which is then converted into linear motion using additional mechanisms such as racks, gears, or linkages.

It’s important to choose the appropriate type of actuator based on the desired motion requirements of the specific application. Manufacturers’ documentation and guidelines should be consulted to determine the most suitable actuator for a particular motion requirement.

China wholesaler Hydraulic Cylinders Mill Type Series Cdh1 / Cgh1 / Csh1 CZPT High Temperature and High Pressure Die Cylinder, European Standard Hydraulic Cylinder, Metallurg   vacuum pump distributorsChina wholesaler Hydraulic Cylinders Mill Type Series Cdh1 / Cgh1 / Csh1 CZPT High Temperature and High Pressure Die Cylinder, European Standard Hydraulic Cylinder, Metallurg   vacuum pump distributors
editor by CX 2023-12-13