German hauser workpiece fixtures hauser model hauser price

hauser workpiece fixtures are devices used in the manufacturing process to secure the workpiece in the correct position for machining or inspection, also known as jigs. In a broad sense, any device used to quickly, conveniently, and safely install workpieces during any step of the process can be called a fixture. Fixtures typically consist of locating elements (to determine the correct position of the workpiece in the fixture), clamping devices, tool-setting guide elements (to determine the relative position of the tool and workpiece or guide the tool direction), indexing devices (to allow the workpiece to complete machining at several stations in one setup, including rotary indexing devices and linear indexing devices), connecting elements, and fixture bodies (fixture bases). Examples include welding fixtures, inspection fixtures, assembly fixtures, and machine tool fixtures, among which machine tool fixtures are the most common and are often simply referred to as fixtures. When machining workpieces on machine tools, to ensure that the surface of the workpiece meets technical requirements such as dimensions, geometric shape, and mutual positional accuracy with other surfaces as specified in the drawings, the workpiece must be properly located (positioned) and securely clamped (clamped) before machining.

hauser workpiece fixture classification

Due to the different operating characteristics and structural forms of various machine tools, different requirements are correspondingly placed on the structure of the fixtures used. According to the machine tools used, fixtures can be divided into: lathe fixtures, milling machine fixtures, drilling machine fixtures, boring machine fixtures, grinding machine fixtures, gear machine tool fixtures, and other machine tool fixtures. According to the clamping power source adopted by the fixtures, they can be divided into: manual fixtures, pneumatic fixtures, hydraulic fixtures, pneumatic-hydraulic fixtures, electric fixtures, magnetic fixtures, and vacuum fixtures. Specialized classifications include general-purpose fixtures, special-purpose fixtures, general-purpose adjustable fixtures, group fixtures, modular fixtures, and pallet fixtures. Pallet fixtures are fixtures used on automatic lines. Such fixtures not only serve to clamp the workpiece but also become integrated with the workpiece, moving from one station to the next along the automatic line for different machining operations.

hauser workpiece fixture operation

1) Assemble the two engine bushings onto the 1 strut according to the "Strut Welding Assembly" drawing, and place them on the fixture body, position the 1 strut using stop pins and stop plates, clamp the 1 strut with a screw clamp; simultaneously position the two 4 engine bushings with dowel pins, and clamp them with quick-release screw clamping devices; 2) After tack welding, release the quick-release screw clamping devices, pull out the dowel pins, remove for welding; 3) Place the welded assembly back on the fixture body, position the welded assembly using stop pins and stop plates, clamp the welded assembly with a screw clamp; then place the nut M6 and horn bracket assembly on top of the welded assembly, position it using the conical pin on the screw clamping mechanism and the groove in the pressure plate of the screw clamping mechanism, and clamp it with the screw clamping mechanism; 4) Perform three-sided welding on the nut M6 and horn bracket assembly and the strut, then release all screw clamps, the pressure plate of the screw clamping mechanism clamping the nut M6 and horn bracket assembly is lifted by springs, the positioning conical pin on it disengages from the welded assembly, then push the pressure plate out so that one end disengages from the screw clamping mechanism stud, rotate the pressure plate to the side of the welded assembly, then remove the welded assembly.

hauser workpiece fixture applications

1) Can stably ensure the machining accuracy of the workpiece: When clamping workpieces with fixtures, the positional accuracy of the workpiece relative to the tool and machine tool is guaranteed by the fixture, unaffected by the worker's skill level, making the machining accuracy of a batch of workpieces consistent. 2) Can reduce auxiliary time and improve labor productivity: Using fixtures to clamp workpieces is convenient and fast, eliminating the need for marking and aligning the workpiece, significantly reducing auxiliary time; the rigidity of the workpiece is improved after clamping in the fixture, allowing for increased cutting amounts; fixtures capable of clamping multiple workpieces or multiple stations can be used, and high-efficiency clamping mechanisms can be adopted to further improve labor productivity. 3) Can expand the usage range of machine tools and achieve multi-functionality: According to the forming motion of the machining machine tool, attaching different types of fixtures can expand the original process range of the machine tool. For example, installing a boring template on the carriage of a lathe or the table of a radial drilling machine allows for boring processing of box parts. 4) Ensure machining accuracy: Adopting fixture installation can accurately determine the mutual position between the workpiece, machine tool, and tool. The positional accuracy of the workpiece is guaranteed by the fixture, unaffected by the worker's skill level, resulting in high and stable machining accuracy. 5) Improve productivity and reduce costs: Clamping workpieces with fixtures allows for rapid positioning and clamping without alignment, significantly reducing auxiliary time; clamping workpieces with fixtures improves workpiece rigidity, thus allowing for increased cutting amounts; multi-piece and multi-station fixtures can be used to clamp workpieces, and high-efficiency clamping mechanisms can be adopted, all of which contribute to improving labor productivity. Additionally, after adopting fixtures, product quality is stable, scrap rate decreases, and workers with lower technical grades can be assigned, significantly reducing 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 template fixtures on lathes or radial drilling machines, boring processing of hole systems in box parts can be performed; through special-purpose fixtures, lathes can also be converted for use as broaching machines, fully leveraging the role of general-purpose machine tools. 7) Reduce workers' labor intensity: Clamping workpieces with fixtures is convenient and fast. When using pneumatic, hydraulic, or other clamping devices, workers' labor intensity can be reduced.

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