German Bosch Rexroth workholding fixtures, Bosch Rexroth models, Bosch Rexroth prices

Bosch Rexroth workholding fixtures are one of the actuators for vacuum equipment. Generally, using vacuum suction cups to grip products is the most economical method. Vacuum suction cups come in various types; rubber suction cups can operate at high temperatures, silicone rubber suction cups are very suitable for gripping products with rough surfaces, and polyurethane suction cups are highly durable. In addition, in actual production, if oil resistance is required for the suction cup, materials such as polyurethane, nitrile rubber, or vinyl-containing polymers can be considered for manufacturing the suction cup. Typically, to avoid scratching the product surface, it is best to choose bellows-type suction cups made of nitrile rubber or silicone rubber. The suction cup material is made of nitrile rubber, which has high tensile strength, and is therefore widely used in various vacuum holding devices.

Bosch Rexroth workholding fixture classification

1) Lathe fixtures: Fixtures used on lathes to machine internal and external rotary surfaces and end faces of workpieces are called lathe fixtures. Most lathe fixtures are mounted on the spindle, while a minority are installed on the saddle or bed. 2) CMM fixtures: Used on coordinate measuring machines, utilizing modular support and reference devices to achieve flexible fixation of the measured workpiece. This device allows automatic programming to support the workpiece and establish an infinite number of workpiece configuration reference points. Advanced dedicated software can directly generate workpiece clamping programs within seconds based on the workpiece's geometric data. 3) Industrial robot fixtures: All mounted on industrial robots for use in industrial automation equipment, representing one of the new technologies in modern industrial automation. They mainly appear in modern industrial production in coordination with robots, with common applications including machine tool loading/unloading, workpiece palletizing/depalletizing, welding, and grinding in automated unmanned factories. 4) Milling machine fixtures: All mounted on the milling machine table, moving with the table during feed motion. They mainly consist of positioning devices, clamping devices, fixture bodies, connecting elements, and tool-setting elements. During milling, cutting forces are large and cutting is intermittent, resulting in significant vibration; therefore, milling machine fixtures require high clamping force, as well as high stiffness and strength. 5) Bearing housing fixtures: To ensure and improve the production quality of bearing housings, in addition to machine tools and other mechanical equipment, a large amount of process equipment is used, including bearing housing fixtures, molds, cutting tools, and related auxiliary tools. A bearing housing fixture is a production tool specifically designed to ensure the product quality of bearing housings, making the production process more convenient. Different bearing housing fixtures vary in structure, form, operating conditions, and design principles, resulting in a wide variety of types and styles, accounting for a significant proportion in both quantity and diversity. This type of bearing housing fixture can accurately determine the relative position between the workpiece and the tool, i.e., it can clamp the workpiece to be machined, thereby enabling the motions required during the machining process. Since bearing housing fixtures play a very important role in the bearing housing production process, the drafting of their design drawings is also crucial.

Bosch Rexroth workholding fixture structure

The mechanical gripper-type end effectors used in loading and unloading industrial robots are mostly two-finger claw types. Classified by finger motion, they can be divided into translational and rotational types. Classified by mechanical clamping method, they can be divided into external clamping and internal expanding types. Classified by mechanical structural characteristics, they can be divided into electric (electromagnetic), hydraulic, and pneumatic types, as well as their combinations. When the end effector clamps a workpiece, there should be certain force constraints and shape constraints to ensure that the clamped workpiece is fully released during movement, dwelling, and loading processes. In addition, it should ensure that the geometric deviation of the workpiece clamping posture reproduction is within the given tolerance zone.

Bosch Rexroth workholding fixture selection and usage

With the continuous development of China's industry, the use of electromagnetic chucks in industrial production is becoming more and more widespread. The most important aspect of an electromagnetic chuck is its parameters, and among the performance parameters of an electromagnetic chuck, the most main ones are the lifting capacity and its working class. The so-called lifting capacity of an electromagnetic chuck refers to the maximum weight of objects allowed to be lifted under specified working conditions, or in other words, the rated lifting capacity. Generally, the lifting capacity of cranes equipped with electromagnetic chucks should also include the weight of the electromagnetic chuck. There are lifting screw holes on both sides of rectangular electromagnetic chucks. During installation, T-shaped screws can be screwed in for lifting. They are fixed to the workbench using T-shaped blocks and screws. Connect the DC power supply and ground wire on the machine tool, then precision grind the upper plane of the chuck once to ensure the parallelism of the upper plane to the bottom surface. When adsorbing workpieces, sufficient positioning suction force can be obtained by bridging two adjacent magnetic poles, allowing grinding processing to proceed. Through the machine tool buttons, magnetization and demagnetization of the workpiece can be achieved.

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