German kohn workholding fixtures kohn model kohn price

kohn workholding fixtures are any tools with specific functions connected to the edge (joint) of a robot. This may include robot grippers, robot tool changers, robot collision sensors, robot rotary unions, robot pressure tools, compliance devices, robot spray guns, robot deburring tools, robot arc welding torches, robot electric welding torches, etc. Robot end-effectors are generally considered peripheral equipment of the robot, robot accessories, robot tools, or arm-end tools (EOA). Key elements: mechanism type, gripping method, gripping force, drive unit and control object characteristics, mass, shape, center of gravity position, dimensions, dimensional tolerances, surface condition, material, strength, operating parameters, operating space environment, operating accuracy, operating speed and acceleration, clamping time.

kohn workholding fixture introduction

Vacuum suction cups are one of the actuators for vacuum equipment. The suction cup material is made of nitrile rubber, which has high tensile strength, and is therefore widely used in various vacuum holding equipment, such as in construction, paper industry, printing, glass and other industries, to perform tasks of holding and transporting thin and light items such as glass and paper. Vacuum suction cups are also known as vacuum lifting devices and vacuum nozzles. Generally speaking, using vacuum suction cups to grab products is the most economical method. There are various types of vacuum suction cups; rubber suction cups can operate at high temperatures; silicone rubber suction cups are very suitable for grabbing products with rough surfaces; polyurethane suction cups are very durable. In addition, in actual production, if oil resistance is required for the suction cup, materials such as polyurethane, nitrile rubber or vinyl-containing polymers can be considered for manufacturing the suction cup. Usually, to avoid scratching the surface of the product, it is best to choose suction cups with bellows made of nitrile rubber or silicone rubber.

kohn workholding fixture process

The electromagnetic chuck consists of a base shell, iron core, coil, panel, and junction box. Its manufacturing process is as follows: 1) Select suitable materials for welding or casting the base shell. 2) Install the iron core on the base shell according to different types of chucks. 3) Wind the coil with the corresponding number of turns and technical parameters, dry it, and then fit it onto the iron core. 4) Pour asphalt or other waterproof materials into the interior of the base shell. 5) Manufacture the panel and install it together with the base shell part. Electromagnetic chucks use DC power supply and feature stability, strong suction force, and low residual magnetism. Electromagnetic chucks can be classified into standard suction chucks and heavy-duty chucks. The suction force of standard suction chucks is 10-12 kg/cm², while heavy-duty electromagnetic chucks are not less than 14 kg/cm². According to their application, they can be divided into electromagnetic chucks for grinders, electromagnetic chucks for milling machines and planers, electromagnetic chucks for knife grinding machines, etc.

kohn workholding fixture usage

With the continuous development of China's industry, electromagnetic chucks are increasingly widely used in industrial production. The most important aspect of an electromagnetic chuck is its parameters; among the performance parameters, the lifting capacity and its working class are the most critical. The so-called lifting capacity of an electromagnetic chuck refers to the maximum weight of objects allowed to be lifted under specified operating conditions, also known as the rated lifting capacity. Generally, for cranes equipped with electromagnetic chucks, the lifting capacity should also include the weight of the electromagnetic chuck itself. Rectangular electromagnetic chucks have lifting threaded holes on both sides. During installation, T-shaped screws can be screwed in for lifting. They are fixed to the workbench using T-shaped 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 workpieces, sufficient positioning holding force can be 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. Before use, the surface of the electromagnetic chuck should be wiped clean to avoid scratches. Severe impacts are prohibited to prevent affecting precision. After use, it should be cleaned and coated with anti-rust oil to prevent corrosion. When using the electromagnetic chuck independently, a ground wire must be connected to prevent electric shock due to leakage.

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