German cimco workholding fixtures cimco model cimco price

cimco workholding fixture is a machine tool accessory product manufactured based on the electromagnetic principle. It generates magnetic force by energizing internal coils, tightly holding workpieces in contact with the surface of a magnetically conductive panel. Demagnetization and workpiece removal are achieved by de-energizing the coils to eliminate the magnetic force. Main applications include workpiece fixation during the machining of ferrous workpieces on grinding machines, electromagnetic knife grinders, gantry milling machines, and gantry planers. Lifting threaded holes are located on both sides of the rectangular electromagnetic chuck; T-head screws can be screwed in for lifting during installation. The chuck is fixed to the workbench using T-head 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 the parallelism between the upper surface and the bottom surface. When holding a workpiece, sufficient positioning holding force is obtained by bridging two adjacent magnetic poles, allowing grinding operations to proceed. Magnetization and demagnetization of the workpiece can be controlled via the machine tool buttons.

cimco workholding fixture classification

Fixtures 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 offer high versatility and adapt well to changes in machining processes and workpieces. Their structures are standardized, with dimensions and specifications serialized; most have become standard accessories for machine tools. (2) Special-purpose fixtures. Designed and manufactured specifically for clamping requirements of certain product parts in specific processes. They serve a single purpose with strong specificity and are generally designed by the product manufacturer. Common types include lathe fixtures, milling fixtures, drill jigs (machine tools used to guide drills or reamers for hole making on workpieces), boring jigs (machine tools used to guide boring bars for boring holes on workpieces), and pallet fixtures (movable fixtures used on automated lines of modular machine tools). (3) Adjustable fixtures. Special-purpose fixtures with replaceable or adjustable elements. (4) Modular fixtures. Fixtures composed of standardized elements with different shapes, specifications, and uses. They are 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 the tool holder. Generally, when the term 'tool fixture' appears, it mostly refers to the tool holder.

cimco workholding fixture features

Mechanical grippers commonly use compressed air as the power source, achieving finger movement through a transmission mechanism. Based on the different motion trajectories of the fingers when clamping the workpiece, mechanical grippers are divided into: 1) Arc opening/closing type. Driven by the transmission mechanism, the motion trajectory of the finger tips is an arc. This type of gripper has strict requirements on the dimensions of the clamped part of the workpiece; otherwise, abnormal workpiece status may occur. 2) Arc parallel opening/closing type. The two fingers of this gripper perform parallel opening and closing movements during operation, while the motion trajectory of the finger tips is an arc. The illustrated gripper shows two cases where a parallelogram transmission mechanism drives the parallel opening and closing of the fingers. 3) Linear parallel opening/closing type. The motion trajectories of the two fingers of this gripper are linear, and the clamping surfaces of the two fingers remain parallel at all times. A cam mechanism is used to achieve the parallel opening and closing of the two fingers. Inclined cam slots are machined on the sliding blocks of each finger. When the piston rod moves up and down, rollers mounted on its end move within the cam slots, achieving parallel clamping movement of the fingers. Alternatively, a rack-and-pinion mechanism is 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.

cimco workholding 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 accuracy for positioning on the table and for assembly with other modules. The dimensions of the base table can be chosen freely, 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 connection blocks, angle gauges, frame-style support bases, etc. 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 certain height requirements 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. These are used to accurately adjust positioning location or height. They are components that precisely position the workpiece to ensure it meets certain dimensional accuracy requirements during machining, determining 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 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, and horizontal push-type quick-action clamps. Purpose: Components used to clamp the workpiece onto 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 brackets, 45-degree clamping angle brackets, parallel clamping angle brackets, vertical clamping angle brackets, standard support legs, swivel caster support legs with brakes, fixed support legs, frame-structure support bases, hydraulic lifting support bases, and support rails. Purpose: Components acting to connect or support elements and other parts. 8) Other components: Including: retaining rings, grounding devices, spiral clamps, pipe clamps, lifting eyes, 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 supporting the assembly of tooling elements. 9) Assembly tools: Including hex keys, oilstones, magnetic pliers, and other assembly tools.

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