German cimco workholding fixtures cimco model cimco price

cimco workholding fixture is a machine tool accessory manufactured based on the electromagnetic principle: energizing internal coils generates magnetic force, which passes through a magnetically permeable panel to firmly hold workpieces in contact with the panel surface; de-energizing the coils eliminates the magnetic force for demagnetization and workpiece removal. Primary applications include workpiece clamping during machining of ferrous workpieces on grinding machines, electromagnetic knife grinders, gantry milling machines, and gantry planers. The rectangular electromagnetic chuck has lifting threaded holes on both sides; insert T-shaped screws for lifting, and secure it to the workbench using T-shaped blocks and screws. Connect the DC power supply and ground wire on the machine tool, then precision grind the upper surface of the chuck once to ensure parallelism between the upper 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 can be controlled via the machine tool buttons.

cimco workholding 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 offer high versatility and adapt well to changes in machining processes and workpieces. Their structures are standardized, and dimensions and specifications are serialized, with most becoming standard accessories for machine tools. (2) Dedicated fixtures. Designed and manufactured specifically for clamping needs 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 drilling or reaming holes in workpieces), boring jigs (machine tools used to guide boring bars for boring holes in workpieces), and pallet fixtures (movable fixtures used on automated lines of modular machine tools). (3) Adjustable fixtures. Dedicated fixtures with replaceable or adjustable elements. (4) Modular fixtures. Fixtures composed of standardized elements of 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 speaking, 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 holding workpieces, mechanical grippers are classified 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 for the dimensions of the clamped part of the workpiece; otherwise, it may cause abnormal workpiece status. 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. Diagonal cam slots are machined into 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 worktable 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 combination 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 boxes, L-type square boxes, support angle irons, angular connection blocks, angle gauges, frame-style support bases, etc.; used for height positioning or platform expansion, as well as 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 processing, primarily serving as supports at different heights. 3) Positioning components: Including positioning squares, positioning straight edges, plane squares, V-type positioning components, and eccentric circle stops; used to accurately adjust positioning location or height. These components ensure precise positioning of the workpiece to meet certain dimensional accuracy requirements during processing; they determine the relative positions between components and between components and workpieces. 4) Adjustment components: Including height adjusters and adjustment shims; Purpose: Components used to adjust position differences and gaps between components and workpieces. 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 workpieces onto the platform or base elements to prevent displacement during processing. 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 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, 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 protective 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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