Modified on:
August 23,2026
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CDH3MF4-80-56-300A
Name: Mill Type Cylinder (BOSCH , Rexroth) - Single Rod Cylinder(CD) - Range H3. - CDH3 MF4. - Bore Diameter D=80 mm. - With Stroke Length S=300 mm. Description: The Rexroth CDH3 MF4 is a robust, single-rod mill-type cylinder designed for a nominal pressure of 350 bar (35 MPa) . The MF4 mounting style specifies a round flange at the cylinder base, often used for vertical installations where the cylinder needs to be secured at its rear end.
📊 Key Specifications for 80mm Bore (CDH3 MF4)
For your specified configuration, the key technical data is as follows:
Parameter Specification for CDH3 MF4 (80mm Bore)
Piston Diameter (ØAL) 80 mm
Piston Rod Diameter (ØMM) 56 mm
Mounting Style MF4 - Round flange at cylinder base
Nominal Pressure 350 bar (35 MPa)
Piston Rod Thread (KK) M45 x 1.5
Port Thread (EE) G3/4
Weight at 0 mm Stroke 43 kg (for CD cylinder)
Additional Weight per 100 mm Stroke 4.2 kg
Calculated Total Weight (300 mm stroke) Approx. 55.6 kg (43 kg + (3 × 4.2 kg))
⚙️ Performance & Design Notes
At the nominal pressure of 350 bar, this cylinder provides high force output for demanding applications. The MF4 mounting style uses a flange at the cylinder base and is often recommended for vertical mounting to avoid radial forces on the piston rod . The cylinder also features standard bleed screws for safe air removal from the system, ensuring smooth operation .
🔧 Ordering Code Reference
The Rexroth ordering code for this cylinder follows the structure CDH3MF4/80/56/300..., where 80 is the bore, 56 is the rod diameter, and 300 is the stroke in millimeters .
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