Bosch Rexroth R904101740 Item No. R904101740 Clamping and Drive Module Distribution

R904101740 Bosch Rexroth UPE2 clamping and drive module (51142) features the IH15A control module for implementing complete hydraulic control. They can be equipped and assembled individually. Directional valve modules and seat valve modules can be combined with each other, and the control module can be connected directly to the clamping and drive module UPE2. However, with the aid of external accessory modules, the hydraulic control unit can also be installed in any system. The RBAIH15A type reduction module enables the IH15A module to be mounted directly on the container cover of conventional drives. Using the RIH15AR type pressure reducing module, the hydraulic control unit can be connected to the control devices of the IH15B control module series. This module is preferably designed for hydraulic control units for small-volume consumers with a volumetric flow rate not exceeding 743 l/min. They are interconnected by two tie rods. Clamping and drive module

R904101740 Overview of Accessory Modules for Clamping and Drive Modules

1) Basic module "G": – Basic module with integrated relief valve for simple lowering and holding functions. – If the basic module "G" is used, further stacking is not feasible. – For more details, see catalog "Control Block Types for Clamping and Drive Modules IH15A". 2) Directional valve module "W" 1): – Design allowing control using valves with port mounting surfaces conforming to DIN 24340 form A. – The number of directional valve modules depends on the discharge volume and pump displacement. – For more details, see catalog "Control Block Types for Clamping and Drive Modules IH15A". 3) Seat valve module "S" 1): – The basic composition of the seat valve includes: • One relief valve block. • One or several control blocks. • One end block. – Control is designed according to the specific application. – The number of seat valve modules depends on the discharge volume and pump displacement. – For more details, see catalog "Control Block Types for Clamping and Drive Modules IH345A". Directional valve modules and seat valve modules can be combined!

R904101740 Clamping and Drive Module Design Types and Requirements

1) Toggle or knee-lever clamping devices: This design utilizes the mechanical characteristics of the toggle to provide the clamping force required during material injection. Mechanical toggle clamping offers fast closing and opening speeds and is less expensive than other clamping devices. The main disadvantage is that the clamping force cannot be precisely controlled; for this reason, it is only suitable for small machines. 44) Hydraulic clamping devices: They use fluid pressure to open and close the clamp and generate the clamping force required during material injection. The advantages of this design type are high reliability and precise control of clamping force. The disadvantages are that the hydraulic system is relatively slow and expensive compared to toggle clamping devices. After the mold opens, the molded part tends to shrink and stick to the mold core (usually the half farthest from the injection unit), and must be demolded using an ejector plate provided by the mold system. Design requirements: The clamping effect of the clamping device will directly affect workpiece machining quality, production efficiency, surface roughness, and labor intensity. Therefore, the following basic requirements should be followed when designing clamping devices. (1) During the clamping process, the workpiece must not move. The clamping device must ensure reliable positioning of all workpiece locating surfaces and must not alter the correct position occupied by the workpiece after positioning. (2) Clamping deformation of the workpiece should be minimized as much as possible. This requires appropriate clamping force magnitude, ensuring the necessary clamping force for workpiece machining without causing deformation unacceptable for machining precision. (3) The clamping device must be reliable and safe. This requires the clamping device to have sufficient clamping stroke and a reliable self-locking function. (4) The clamping device must be practical and economical. This requires rapid clamping action, convenient and labor-saving operation, and ease of manufacturing and maintenance, utilizing standardized components wherever possible.

R904101740 Clamping and Drive Module Motors

Clamping and drive modules are designed for short-time duty S2 and intermittent duty S3 operating modes within the nominal power range, in accordance with VDE 0530 (EN 60034) standards. The motors comply with insulation class F, and the entire clamping and drive module complies with protection class IP 54. The direction of rotation of the motor depends on the installed pump (see "Technical Data" on page 4). Motor technical data Voltage 1) U V 230 / 400 ±6 % Δ/Y. Frequency f Hz 50 / 60. Operating mode S2 short-time duty, S3 intermittent duty. Insulation class F (winding). Protection class IP 54. Number of poles 2 / 4. Electromagnetic compatibility (EMC) of the equipment (EMVG): According to the provisions of the EEC Directive "Act on Electromagnetic Compatibility of Equipment (Chapter 2, Section 4)", the clamping and drive module is not a ready-to-use device. To avoid potential electromagnetic interference, we recommend using interference suppression components manufactured by Murr-Elektronik of 71570 Oppenweiler. For example, type 23050, 3 x 400 VAC, 50-390 Hz. Terminal assignment: Terminal assignment in the terminal box on the clamping and drive module.

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