imi norgren grippers German imi norgren models imi norgren prices

imi norgren grippers are one of the actuators for vacuum equipment. Generally, using vacuum suction cups to grasp products is the most economical method. Vacuum suction cups come in various types; rubber suction cups can operate at high temperatures, silicone rubber suction cups are very suitable for grasping products with rough surfaces, and polyurethane suction cups are highly durable. In addition, in actual production, if oil resistance is required for the suction cups, materials such as polyurethane, nitrile rubber, or vinyl-containing polymers can be considered for manufacturing them. Typically, to avoid scratching the surface of the product, it is best to choose bellows-type suction cups made of nitrile rubber or silicone rubber. The suction cup material is made of nitrile rubber, which has high tensile strength, and is therefore widely used in various vacuum holding devices.

imi norgren gripper requirements

Whether clamping or adsorption type, the robot's end-effector must also meet the repeatability accuracy required for the operation. The structure of the robot end-effector should be as simple and compact as possible, and lightweight, to reduce the load on the arm. Dedicated rather than general-purpose robot end-effectors have a simpler structure, but high work efficiency, and can perform various operations. In contrast, "universal" end-effectors may have disadvantages such as complex structure and high cost. Therefore, it is recommended to design and use serialized and standardized dedicated robot end-effectors that can be quickly replaced. If an object has two opposing flat surfaces, a double-jaw parallel gripper can be used to solve dimensional deviation problems. For cylindrical objects, double-jaw grippers can also be used for clamping. It should be noted that retaining or encompassing clamping requires less force.

imi norgren gripper 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 on 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 materials into the interior of the base housing. 5) Manufacture the faceplate and install it together with the base housing part. Electromagnetic chucks use DC power supply and feature stability, strong holding force, and low residual magnetism. Electromagnetic chucks can be classified into standard holding force chucks and heavy-duty chucks. The holding force of standard holding force chucks is 10-12 kg/cm², and that of heavy-duty electromagnetic chucks is not less than 14 kg/cm². According to their application, they can be classified into electromagnetic chucks for grinders, electromagnetic chucks for milling machines and planers, and electromagnetic chucks for tool grinders, etc.

imi norgren gripper 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 the possibility of the product sticking to the mold, an air clamp can usually be installed to solve this problem. When the product's surface area is too small or the product is too heavy to use vacuum suction cups, the problem can also be solved by using clamps. 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 grasped the product, the sensor sends a signal to the manipulator to proceed with 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 forming area, a special cylinder capable of independent movement without relying on the manipulator can be added to improve this situation.

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