German horvath partners workholding fixtures, horvath partners models, horvath partners prices

horvath partners workholding fixtures are electromagnetic chucks that secure workpieces via the suction force generated by the chuck body when the electromagnetic coil is energized. An electromagnetic chuck consists of an iron core, coil, faceplate, and bracket. The electromagnet, formed by the coil and iron core, is the main component. Electromagnetic chucks vary due to differences in design methods or materials used and are continuously developing and improving. Initially, electromagnetic chucks replaced clamping plates and bolts on grinding machines to secure workpieces for grinding. Such electromagnetic chucks are relatively simple and can only secure flat workpieces. This is the traditional electromagnetic chuck, which has significant limitations in its application. With industrial development, the demand for electromagnetic tools from enterprises has grown, and requirements have become higher, prompting a series of improvements to electromagnetic chucks to meet production needs.

horvath partners workholding fixture operating principle

The most widely used grippers are pneumatic grippers; they are essentially cylinders powered by compressed air. When air is supplied, the gripper jaws approach and firmly grasp the object to perform other operations, and when the air direction is reversed, the gripper releases the object. Typical applications include changing the orientation of an object or moving it during pick-and-place operations. When gripping a workpiece, the gripper must provide certain force and shape constraints to ensure the workpiece is fully released during movement, dwelling, and loading. Additionally, it must ensure that the geometric deviation of the workpiece holding posture remains within the specified tolerance zone.

horvath partners workholding fixture technology

An electromagnetic chuck consists of a base housing, iron core, coil, faceplate, and junction box. Its manufacturing process is as follows: 1) Select suitable materials to weld or cast the base housing. 2) Install the iron core onto the base housing according to the type of chuck. 3) Wind the coil with the corresponding number of turns and technical parameters, dry it, and fit it onto the iron core. 4) Pour asphalt or other waterproofing materials into the interior of the base housing. 5) Manufacture the faceplate and install it together with the base housing. Electromagnetic chucks use DC power supply and feature stability, strong suction, and low residual magnetism. Electromagnetic chucks can be classified into standard suction chucks and high-power chucks. Standard suction chucks have a suction force of 10-12 kg/cm², while high-power electromagnetic chucks have no less than 14 kg/cm². Based on application, they can be divided into electromagnetic chucks for grinding machines, milling and planing machines, and tool grinders.

horvath partners workholding fixture applications

1) Consistently ensure workpiece machining accuracy: When using a fixture to clamp a workpiece, the positional accuracy of the workpiece relative to the tool and machine tool is guaranteed by the fixture, unaffected by the operator's skill level, ensuring consistent machining accuracy for a batch of workpieces. 2) Reduce auxiliary time and improve labor productivity: Using fixtures for workpiece clamping is convenient and fast; workpieces do not require marking and alignment, significantly reducing auxiliary time; clamping workpieces in fixtures increases workpiece rigidity, allowing for increased cutting volumes; fixtures capable of clamping multiple workpieces or at multiple stations can be used, along with high-efficiency clamping mechanisms, further improving labor productivity. 3) Expand the usage range of machine tools to achieve multi-functionality: By attaching different types of fixtures based on the forming motion of the machining machine tool, the original process range of the machine tool can be expanded. For example, installing a boring jig on the carriage of a lathe or the table of a radial drilling machine allows for boring operations on box-type parts. 4) Ensure machining accuracy: Using fixtures for installation accurately determines the mutual position between the workpiece, machine tool, and cutter. Workpiece positional accuracy is guaranteed by the fixture, unaffected by the operator's skill level, resulting in high and stable machining accuracy. 5) Increase productivity and reduce costs: Clamping workpieces with fixtures allows for rapid positioning and clamping without alignment, significantly reducing auxiliary time; clamping workpieces in fixtures increases workpiece rigidity, allowing for increased cutting volumes; fixtures for clamping multiple workpieces or at multiple stations can be used, along with high-efficiency clamping mechanisms, all of which help improve labor productivity. Additionally, using fixtures stabilizes product quality, reduces scrap rates, allows for the assignment of lower-skilled workers, and significantly lowers production costs. 6) Expand the process range of machine tools: Using special-purpose fixtures can change the original purpose of the machine tool and expand its usage range, achieving multi-functionality. For example, after installing boring jig fixtures on lathes or radial drilling machines, boring operations can be performed on hole systems of box parts; special-purpose fixtures can also convert lathes for use as broaching machines, fully leveraging the capabilities of general-purpose machine tools. 7) Reduce worker labor intensity: Clamping workpieces with fixtures is convenient and fast; when using pneumatic, hydraulic, or other clamping devices, worker labor intensity can be reduced.

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