lebenshilfe fixture Germany lebenshilfe model lebenshilfe price

lebenshilfe fixture is an electromagnetic fixture that secures the workpiece by the suction force generated by the chuck body when the electromagnetic coil is energized. The electromagnetic chuck consists of several parts, including an iron core, coil, faceplate, and bracket. The electromagnet, composed of the coil and iron core, is the main part of the electromagnetic chuck. Electromagnetic chucks vary due to differences in design methods or materials used, and they are continuously developing and improving. Electromagnetic chucks were initially used on grinding machines to replace clamping plates and bolts for securing workpieces being ground. Such electromagnetic chucks are relatively simple and can only secure flat workpieces. This is the traditional electromagnetic chuck, which has significant limitations in its application. With industrial development, the demand for electromagnetic tools from enterprises has grown, and the requirements have become higher, prompting a series of improvements to electromagnetic chucks to meet production needs.

lebenshilfe fixture classification

Clamp types can be classified according to usage characteristics as follows: (1) Universal general-purpose clamps. 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, with dimensions and specifications serialized, and most have become standard accessories for machine tools. (2) Specialized clamps. Designed and manufactured specifically for the clamping needs of certain product parts in specific processes, these serve a single purpose with strong specificity and are generally designed by the product manufacturer. Common examples include lathe fixtures, milling fixtures, drill jigs (machine tool fixtures used to guide drills or reamers on workpieces), boring jigs (machine tool fixtures used to guide boring bars on workpieces), and pallet fixtures (movable fixtures used in automated lines for modular machine tools). (3) Adjustable clamps. Specialized clamps whose components can be replaced or adjusted. (4) Modular clamps. Clamps composed of standardized components of different shapes, sizes, and purposes, 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, another common type is the tool holder. Generally speaking, when the term "tool clamp" appears, it mostly refers to the tool holder.

lebenshilfe fixture structure

The mechanical gripper-type end effectors used in loading and unloading industrial robots are mostly two-finger claw types. If classified by finger motion, they can be divided into translational and rotational types. If classified by mechanical clamping method, they can be divided into external clamping and internal expansion types. If classified by mechanical structural characteristics, they can be divided into electric (electromagnetic), hydraulic, and pneumatic types, as well as combinations thereof. When the end effector clamps a workpiece, there should be certain force constraints and shape constraints to ensure that the clamped workpiece is completely released during movement, dwelling, and loading. Additionally, it should ensure that the geometric deviation of the workpiece clamping posture remains within the specified tolerance zone.

lebenshilfe fixture maintenance

When using vacuum suction cups (without clamps), note that the manipulator's movement speed should not be too high; otherwise, shear forces will be generated on the suction cup, causing the product to drop easily during rapid twisting. In some cases, a clamp can be used to ensure safe transport of the product. Considering that the product may stick to the mold, an air clamp is usually installed to solve this problem. When the product's surface area is too small or the product is too heavy for vacuum suction cups, clamps can also be used to solve this problem. If the product has strict appearance requirements, the clamped area must not be the outer surface. To solve this problem, a sensor circuit can be installed. After confirming that the clamp or suction cup has securely gripped the product, the sensor sends a signal to the manipulator to proceed to the next operation. In cases where the manipulator's motion capability is limited and manual twisting or prying is required to demold the product or move it out of the molding area, a special cylinder capable of independent movement without relying on manipulator operation can be added to improve the situation.

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