Description Features High power density Energy efficient Flexibility, many sizes, few mechanical interfaces Insensitive to chock loads No vibrations i.e. no flow pulsation 100% constant displacement, the symmetrical design allows forces to be balanced- radial forces oppose each other and no centrifugal forces due to the rotation Trough hole diameter 45 mm Small footprint (total occupied volume) Product description Section view of radial piston hydraulic motor 1 Cam ring 2 Cam roller 3 Piston 4 Cylinder block, spline 5 Housing cover 6 Cylindrical roller bearing 7 Distributor 8 Connection housing Bosch Rexroth‘s hydraulic industrial motor Hägglunds CAb is of radial-piston type with a rotating cylinder block/hollow shaft and a stationary housing. The cylinder block is mounted in fixed roller bearings in the housing. An even number of pistons are radially located in bores inside the cylinder block, and the distributor directs the incoming and outgoing oil to and from the working pistons. Each piston is working against a cam roller. When the hydraulic pressure is acting on the pistons, the cam rollers are pushed against the slope on the cam ring that is rigidly connected to the housing, thereby producing a torque. The cam rollers transfer the reaction force to the pistons which are guided in the cylinder block. Rotation therefore occurs, and the pressure in the system is proportional to the required torque. Oil main lines are connected to ports A and C in the connection block and drain lines to ports D1, D2 and D3 in the motor housing. The motor is connected to the shaft of the driven machine shaft through the hollow shaft of the cylinder block. The torque is transmitted by splines. Quality To assure our quality we maintain a Quality Assurance System, certified to standard ISO 9001. Fluid connections Hydraulic symbol, radial piston hydraulic motor Port locations and dimensions, see table "Port dimensions". Port connections Connection side of the motor 1) Flow inlet Shaft side of the motor Port dimensions Connection Description Dimensions Remarks CAb 10 - CAb 20 CAb 30 - CAb 40 A Main connection SAE 1¼"1) SAE 1¼"1) If A is used as the inlet, the motor shaft rotates counter clockwise, viewed from the motor shaft side C Main connection SAE 1¼"1) SAE 1¼"1) If C is used as the inlet, the motor shaft rotates clockwise, viewed from the motor shaft side. D1 Drain outlet G 3/4“ G 3/4“ Normally plugged at delivery. D2 Alternative drain outlets / or flushing inlet G 3/4“ G 3/4“ D3 Alternative drain outlets / or flushing inlet G 3/4“ G 1/2“ F1 Flushing connection G 1/4“ G 1/8“ For flushing of radial lip seal. Normally plugged. F2 Flushing connection G 1/4“ G 1/4“ 1) SAE flange J 518, code 62, 420 bar. Type code In order to identify Hägglunds equipment exactly, the following ordering code is used. These ordering codes should be stated in full in all correspondence e.g. when ordering spare parts. 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 CA B S Mo
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