High torque Radial Piston Motors MR Type
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High torque Radial Piston Motors MR Type Fixed displacement (up to 9000 cm3/rev - 550 in3/rev)

High Torque Radial Piston Motors MR Type - Fixed displacement Conversion factors Conversion factors WARNING - USER RESPONSIBILITY FAILURE OR IMPROPER SELECTION OR IMPROPER USE OF THE PRODUCTS DESCRIBED HEREIN OR RELATED ITEMS CAN CAUSE DEATH, PERSONAL INJURY AND PROPERTY DAMAGE. This document and other information from Parker-Hannifin Corporation, its subsidiaries and authorized distributors provide product or system options for further investigation by users having technical expertise. The user, through its own analysis and testing, is solely responsible for making the final selection of...

High Torque Radial Piston Motors MR Type - Fixed displacement General product information General product information General information and specific product features Functional description Pages 4 - 5 Functional description The fluid column technology and product design Specifications (Metric) Specifications (Metric) Calculation fundamentals and technical data Specifications (Imperial/US) Specifications (Imperial/US) Calculation fundamentals and technical data Ordering codes Ordering codes Catalogue options and accessories Overall dimensions Overall dimensions Motors dimensions and...

High Torque Radial Piston Motors MR Type - Fixed displacement General information Parker Calzoni MR hydraulic motors are of the radial piston type. Unique Fluid Column Technology is utilized to achieve superior performances compared to competitive designs. The motors are engineered for high mechanical and volumetric efficiency over a wide range of speed and torque. Motors can be customized by selecting different types of shafts, speed sensors, seals, and connection flanges. Optional accessories include gearboxes and parking brakes. Furthermore, MR motors can be equipped with optional...

High Torque Radial Piston Motors MR Type - Fixed displacement General information Examples of installations Flange mounted motor Torque arm mounted motor with shrink disk Flange mounted motor with gearbox and parking brake Flange mounted motor with parking brake Wheel drive motor with gearbox and parking brake Direct mounted winch drum drive with parking brake Bracket mounted capstan drive Parker Hannifin Corporation Vane Pump Division / Calzoni Anzola dell’Emilia (BO), Italy

High Torque Radial Piston Motors MR Type - Fixed displacement Functional description Propulsion: “The fluid column technology” [4] Play video The main concept of this unique and outstanding technology is to convert fluid power (pressure and flow) into mechanical power (torque and speed) by means of pressurized columns of fluid [1] which act directly on a spherical eccentric shaft [2], thereby avoiding the use of conventional connecting rods, pistons, and pins. Torque is generated by the columns of pressurized fluid [1] that directly push the eccentric cam [2] producing the shaft rotation....

High Torque Radial Piston Motors MR Type - Fixed displacement Functional description Timing system: “The balanced forces concept” The timing system - consisting of the rotary valve [6] and the reaction ring [7] - supplies the columns of fluid precisely in the correct sequence to generate a smooth motor output torque. While the reaction ring is used to adjust the clearance and to compensate for thermal shocks, the rotary valve rotates at the same speed as the eccentric shaft and connects the reaction ring to the piston chambers by means of two slots [8] and [9]. Two additional balancing...

High Torque Radial Piston Motors MR Type - Fixed displacement Specifications (Metric) Calculation fundamentals Required flow: Output torque: Output power: n = speed (rpm) TS = specific torque (Nm/bar) Technical data Speed Maximum pressure Motor type Specific Torque Continuous Intermittent Parker Hannifin Corporation Vane Pump Division / Calzoni Anzola dell’Emilia (BO), Italy

High Torque Radial Piston Motors MR Type - Fixed displacement Specifications (Metric) Maximum pressure Motor type Specific Torque Continuous Intermittent Continuous pressure (pcont.): Maximum pressure during continuous working operations. Intermittent pressure (pint.): Maximum pressure during non-continuous operations (intermittent pressure may occurr max 10% of duty cycle and not more then 20 consecutive seconds inside each cycle). Peak pressure (ppeak): Pressure exceeding the maximum operating pressure for a short time at which the motor remains able to function (milliseconds...

High Torque Radial Piston Motors MR Type - Fixed displacement Specifications (Imperial/US) Calculation fundamentals Required flow: Output torque: Output power: n = speed (rpm) TS = specific torque (lbf.ft/1000 psi) Technical data Speed Maximum pressure Motor type Specific Torque Continuous Intermittent Parker Hannifin Corporation Vane Pump Division / Calzoni Anzola dell’Emilia (BO), Italy

High Torque Radial Piston Motors MR Type - Fixed displacement Specifications (Imperial/US) Maximum pressure Motor type Specific Torque Continuous Intermittent Continuous pressure (pcont.): Maximum pressure during continuous working operations. Intermittent pressure (pint.): Maximum pressure during non-continuous operations (intermittent pressure may occurr max 10% of duty cycle and not more then 20 consecutive seconds inside each cycle). Peak pressure (ppeak): Pressure exceeding the maximum operating pressure for a short time at which the motor remains able to function (milliseconds...

High Torque Radial Piston Motors MR Type - Fixed displacement Ordering codes Motor type Speed sensor Fluid connections Complete motors list at page 8 (Metric units) and page 10 (US and imperial units). Splined male shaft, according to standard DIN 5463 Splined male shaft, according to standard DIN 5480 Splined female shaft, according to standard DIN 5480 Male shaft with key Splined male shaft, according to standard BS 3550 Shrink disk coupling NBR mineral oil, 5 bar shaft seal NBR mineral oil, 15 bar shaft seal No shaft seal (for brake coupling) Code Description - Parking brake Connection...