pflitsch clamping fixtures Germany pflitsch models pflitsch prices

pflitsch clamping fixtures are machine tool accessories that operate on electromagnetic principles. Energizing the internal coil generates magnetic force, which passes through a magnetically conductive panel to securely hold workpieces in contact with the panel surface. De-energizing the coil eliminates the magnetic force, demagnetizing the unit to allow workpiece removal. Primary applications include workpiece fixation during machining of ferrous materials on grinders, electromagnetic knife grinders, gantry milling machines, and gantry planers. Lifting threaded holes are located on both sides of the rectangular electromagnetic chuck; insert T-head screws for lifting. Secure the unit to the workbench using T-blocks and screws. Connect the DC power supply and ground wire from the machine tool, then precision grind the upper surface of the chuck once to ensure parallelism between the top and bottom surfaces. When holding workpieces, sufficient positioning holding force is achieved by bridging two adjacent magnetic poles, allowing grinding operations. Magnetization and demagnetization of the workpiece are controlled via the machine tool buttons.

pflitsch clamping fixture classification

Clamping fixtures are classified by usage characteristics as follows: (1) Universal general-purpose fixtures. Examples include machine vises, chucks, suction cups, indexing heads, and rotary tables. They offer high versatility, adapting well to changes in machining processes and workpieces. Their structures are standardized, with dimensions and specifications serialized; most have become standard machine tool accessories. (2) Dedicated fixtures. Designed and manufactured specifically for clamping requirements of certain product parts in specific processes. They serve a single purpose with high specificity and are generally designed by the product manufacturer. Common types include lathe fixtures, milling fixtures, drill jigs (machine tools guiding drills or reamers), boring jigs (guiding boring bars), and pallet fixtures (movable fixtures for automated lines in modular machine tools). (3) Adjustable fixtures. Dedicated fixtures with replaceable or adjustable elements. (4) Modular fixtures. Composed of standardized elements with various shapes, specifications, and uses. Suitable for new product prototyping, single-piece or small-batch production with frequent product changes, and temporary tasks. In addition to vises, chucks, indexing heads, and rotary tables, tool holders are widely used. Generally, when the term "tool clamping fixture" is used, it mostly refers to tool holders.

pflitsch clamping fixture features

Mechanical grippers commonly use compressed air as the power source, driving finger movement via a transmission mechanism. Based on the motion trajectory of the fingers during workpiece clamping, mechanical grippers are classified as: 1) Arc-opening/closing type. Driven by the transmission mechanism, the finger tips move in an arc. This type imposes strict requirements on the dimensions of the clamped area of the workpiece; otherwise, the workpiece state may become abnormal. 2) Arc parallel-opening/closing type. The two fingers perform parallel opening and closing movements, while the finger tips follow an arc trajectory. The illustrated gripper uses a parallelogram transmission mechanism to drive the parallel opening and closing of the fingers in two scenarios. 3) Linear parallel-opening/closing type. The motion trajectories of the two fingers are linear, and the clamping surfaces remain parallel. A cam mechanism achieves parallel finger movement. Inclined cam slots are machined into the sliding blocks of each finger. As the piston rod moves up and down, rollers at its end move within the cam slots, achieving parallel clamping. Alternatively, a rack-and-pinion mechanism can be used: when the rack at the end of the piston rod drives the gear to rotate, the racks on the fingers move linearly, causing the two fingers to open and close in parallel to clamp the workpiece.

pflitsch clamping fixture classification

1) Base components: Such as square, rectangular, and circular base plates, used as fixture tooling tables. All five working faces of the table feature grid-marked holes. The flatness, parallelism, and perpendicularity tolerances of these five faces, as well as the positional accuracy of the holes, are very high, ensuring sufficient precision for positioning on the table and assembly with other modules. Base table dimensions are selectable, and custom sizes are available. If high precision is required after combining tables, guide rails can be used to connect them. 2) Support components: Including U-type angle cubes, L-type angle cubes, support angle irons, angle connection blocks, angle gauges, and frame support bases. These are used for height positioning, platform expansion, and positioning or clamping of other accessories. Components such as shims, spacer plates, support plates, support blocks, and extension plates are positioned on the platform to ensure the workpiece meets specific height requirements during machining, primarily providing support at different heights. 3) Positioning components: Including positioning squares, positioning straight edges, plane squares, V-type positioning components, and eccentric circle stops. These are used to accurately adjust positioning location or height, ensuring the workpiece meets specific dimensional precision requirements during machining. They determine the relative positions between components and between components and the workpiece. 4) Adjustment components: Including height adjusters and adjustment shims. Purpose: Components used to adjust position 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, and horizontal push-type quick-action clamps. Purpose: Components used to clamp the workpiece to the platform or base elements to prevent displacement 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, and magnetic pins. Purpose: Components used for positioning and locking between elements. 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 bases, hydraulic lift support bases, and support rails. Purpose: Components used for connecting or supporting 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 protective plates, and tool trolleys. Purpose: Auxiliary components for assembling tooling elements. 9) Assembly tools: Including hex keys, oil stones, magnetic pliers, and other assembly tools.

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