German technomex workholding fixtures technomex model technomex price

technomex workholding fixtures are devices that grip objects to manipulate them. They can clamp and release objects while performing certain actions. Motion devices often mimic human movements; in the case of grippers, they mimic finger movements. The "fingers" themselves are not part of the gripper; they are specialized custom tools for gripping objects, called "jaws." Two main gripping actions: External gripping: This is the most common method for gripping objects. It is the simplest and requires the shortest stroke length. When the gripper jaws close, the clamping force applied by the gripper holds the object. Internal gripping: In some applications, due to the geometry of the object or the need to access the exterior of the object, it is necessary to grip the object from the center. In this case, the gripper holds the object through expansion force.

technomex workholding fixture requirements

Whether clamping or suction-based, robot end-effectors must also meet the repeatability accuracy required for the task. The structure of the robot end-effector should be as simple and compact as possible, and lightweight, to reduce the load on the arm. Specialized robot end-effectors have a simpler structure than general-purpose ones, but offer high efficiency and can perform various tasks. In contrast, "universal" end-effectors may have disadvantages such as complex structures and high costs. Therefore, it is recommended to design and use serialized, standardized, specialized robot end-effectors that can be quickly changed. If the object has two opposing flat surfaces, a parallel two-jaw gripper can be used to address dimensional deviations. For cylindrical objects, a two-jaw gripper can also be used for clamping. Note that containment or enveloping grips require less force.

technomex workholding fixture technology

The electromagnetic chuck consists of a base housing, iron core, coil, faceplate, and junction box. Its manufacturing process is as follows: 1) Select suitable materials for welding or casting the base housing. 2) Install the iron core onto the base housing according to the type of chuck. 3) Wind the coil with the corresponding number of turns and technical parameters, dry it, and fit it onto the iron core. 4) Pour asphalt or other waterproofing material into the interior of the base housing. 5) Manufacture the faceplate and assemble it with the base housing. Electromagnetic chucks use DC power supply and feature stability, strong holding force, and low residual magnetism. Electromagnetic chucks can be classified into standard-holding chucks and high-power chucks. Standard-holding chucks have a holding force of 10-12 kg/cm², while high-power electromagnetic chucks have a holding force of no less than 14 kg/cm². Based on application, they can be classified into electromagnetic chucks for grinders, electromagnetic chucks for milling and planing machines, electromagnetic chucks for tool grinders, etc.

technomex workholding fixture selection

When selecting pneumatic grippers and jaw designs, these are the main factors to consider: 1) Part shape, orientation, and dimensional variations: If the object has two opposing flat surfaces, a parallel two-jaw gripper can be used to address dimensional deviations. For cylindrical objects, a two-jaw gripper can also be used for clamping. Note that containment or enveloping grips require less force. 2) Part weight: The gripping force must be sufficient to hold the object securely while performing the required operations. The type of jaw design must be considered when calculating the required gripping force. Please note that safety factors should be considered when selecting the required force, and air pressure is also a factor to consider. 3) Accessibility: This relates both to the task being performed and to the spatial requirements of the gripper jaws. If work needs to be performed on the exterior of the object, internal gripping is required. Scissor-type grippers are usually less expensive but require more space for jaw movement. 4) Environment: Grippers used in harsh environments or cleanrooms require appropriate designs. 5) Object retention: When air pressure is no longer supplied, the gripper will release the object, causing it to drop. For such applications, spring-assisted grippers can be used.

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