jung pumpen fixtures, German jung pumpen models, jung pumpen prices

jung pumpen fixtures use hydraulic components to replace mechanical parts, achieving automatic positioning, support, and clamping of workpieces through hydraulic control. They offer advantages such as high clamping force, reliable clamping, stable operation, and ease of use, and are currently widely used in scenarios such as CNC machine tools, machining centers, and automated production lines. By assembling selected hydraulic components with designed mechanical parts, the required fixture can be obtained. Hydraulic fixtures ensure accurate positioning and secure clamping of workpieces at specified positions, and can reduce vibration and deformation during machining through floating supports. They can also utilize automatic control to press down and lift pressure plates, clearing the clamping position during machining. Hydraulic fixtures can withstand large cutting forces during rough machining, ensure accurate positioning during precision machining, and perform support, clamping, and quick release tasks that manual fixtures cannot accomplish.

jung pumpen fixture classification

Fixture types can be classified by usage characteristics as follows: (1) Universal general-purpose fixtures. Examples include machine vises, chucks, suction cups, indexing heads, and rotary tables. They have high versatility and can adapt well to changes in machining processes and workpieces. Their structures are standardized, and their dimensions and specifications are serialized, with most becoming standard accessories for machine tools. (2) Special-purpose fixtures. These are specifically designed and manufactured for the clamping needs of a specific product part in a certain process. They serve a single purpose with strong specificity and are generally designed by the product manufacturer. Common types include lathe fixtures, milling machine fixtures, drill jigs (machine tools guiding drills or reamers on workpieces), boring jigs (machine tools guiding boring bars on workpieces), and pallet fixtures (movable fixtures used on automated lines for modular machine tools). (3) Adjustable fixtures. Special-purpose fixtures whose components can be replaced or adjusted. (4) Modular fixtures. Fixtures composed of standardized components of different shapes, specifications, and uses, suitable for new product prototyping, single-piece and small-batch production with frequent product changes, and temporary tasks. In addition to vises, chucks, indexing heads, and rotary tables, there is a more common type called tool holders. Generally, when the term 'tool fixture' appears, it mostly refers to tool holders.

jung pumpen fixture classification

1) General-purpose fixtures: General-purpose fixtures refer to fixtures that are already standardized and can be used to machine different workpieces within a certain range. For example, three-jaw chucks and four-jaw independent chucks on lathes, and parallel vises, indexing heads, and rotary tables on milling machines. Such fixtures are generally produced by specialized factories and are often provided to users as machine tool accessories. Their characteristics are wide adaptability and low production efficiency, making them mainly suitable for single-piece and small-batch production. 2) Special-purpose fixtures: Special-purpose fixtures refer to fixtures specifically designed for a certain process of a specific workpiece. Their characteristics are compact structure, rapid, convenient, and labor-saving operation, ensuring high machining precision and production efficiency. However, the design and manufacturing cycle is long, and manufacturing costs are high. When the product changes, the fixture will be scrapped as it can no longer be used. It is only suitable for production with fixed products and large batches. 3) General-purpose adjustable fixtures and group fixtures: Their characteristic is that some components of the fixture can be replaced and some devices can be adjusted to adapt to the machining of different parts. Fixtures used for group machining of similar parts are called group fixtures. Compared with group fixtures, general-purpose adjustable fixtures have less defined machining objects and a wider scope of application. 4) Modular fixtures: Modular fixtures refer to fixtures assembled from a set of pre-manufactured standard components and parts according to the machining requirements of the part. Manufactured by professional manufacturers, their characteristics are flexibility, high versatility, short manufacturing cycle, and reusable components, making them particularly suitable for new product prototyping and single-piece/small-batch production. 5) Pallet fixtures: Pallet fixtures are fixtures used on automated lines. The fixture not only serves to clamp the workpiece but also becomes integrated with the workpiece, moving from one station to the next along the automated line for different machining processes.

jung pumpen fixture classification

1) Base components: Such as square, rectangular, and circular base plates, used as fixture tooling tables. All five working surfaces of the table feature grid-marked holes. The flatness, parallelism, and perpendicularity tolerances of these five surfaces, as well as the positional accuracy of the holes, are very high, ensuring sufficient accuracy for positioning on the table surface and for combining the table with other modules. The dimensions of the base table can be chosen arbitrarily, and special sizes can be custom-made. If high precision is required after combining tables, guide rails can be used to connect them. 2) Support components: Including U-type square blocks, L-type square blocks, support angle irons, angular connecting blocks, angle gauges, frame support seats, etc.; used for height positioning or platform expansion, and for positioning or clamping other accessories. Components such as shims, spacer plates, support plates, support blocks, and extension plates are positioned on the platform to ensure the workpiece reaches a certain height requirement during machining, primarily serving as supports at different heights. 3) Positioning components: Including positioning squares, positioning straight edges, planar angle squares, V-type positioning components, and eccentric circle stops, used to accurately adjust positioning positions or heights. These are components that precisely position the workpiece to ensure it meets certain dimensional precision requirements during machining; they determine the relative positions between components and between components and the workpiece. 4) Adjustment components: Including: height adjusters, adjustment shims; Purpose: Components used to adjust positional differences and gaps between components and the workpiece. 5) Clamping components: Including: 90° spiral clamps, horizontal spiral clamps, 45° spiral clamps, vertical quick-action clamps, horizontal push-type quick-action clamps; Purpose: Components used to clamp the workpiece onto the platform or base components to ensure it does not shift during machining. 6) Locking components: Including: quick-locking pins, countersunk quick-locking pins, countersunk locking pins, handle quick-locking pins, locating pins, connection lock magnetic pins, hex socket locking pins, hex head locking pins, magnetic pins; Purpose: Components used for positioning and locking between components. 7) Assembly components: Including: 90-degree clamping angle sleeves, 45-degree clamping angle sleeves, parallel clamping angle sleeves, vertical clamping angle sleeves, standard support legs, swivel caster support legs with brakes, fixed support legs, frame-structure support seats, hydraulic lifting support seats, support rails; Purpose: Components acting on the connection or support between elements and other parts. 8) Other components: Including: retaining rings, grounding devices, spiral clamps, pipe clamps, lifting rings, cross-slot pressure pads, two-point clamping bridges, three-point clamping bridges, multi-purpose support templates, platform protection plates, tool trolleys; Purpose: Auxiliary components supporting the assembly of tooling elements. 9) Assembly tools: Including hex keys, oil stones, magnetic pliers, and other assembly tools.

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