German kohn workholding fixtures kohn model kohn price

kohn workholding fixtures are any tools with specific functions connected to the robot's edge (joint). 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 type of actuator 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 devices, such as in construction, paper industry, printing, glass, and other sectors, to perform tasks of holding and transporting thin and light items like glass and paper. Vacuum suction cups are also known as vacuum lifters and vacuum nozzles. Generally speaking, using vacuum suction cups to grasp products is one of the most cost-effective methods. There is a wide variety of vacuum suction cups; 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 cup, materials such as polyurethane, nitrile rubber, or vinyl-containing polymers can be considered for manufacturing the suction cup. Typically, to avoid scratching the product surface, 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 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 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 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 chucks and heavy-duty chucks. The holding force of standard-holding chucks is 10-12 kg/cm², while heavy-duty electromagnetic chucks are not less than 14 kg/cm². According to 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, the use of electromagnetic chucks in industrial production is becoming increasingly widespread. The most important aspect of an electromagnetic chuck is its parameters, and 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 allowed to be lifted under specified working conditions, or in other words, the rated lifting capacity. Generally, cranes equipped with electromagnetic chucks should include the weight of the electromagnetic chuck in their lifting capacity. Rectangular electromagnetic chucks have lifting screw holes on both sides; during installation, T-shaped screws can be screwed in for lifting, and 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 plane of the chuck once to ensure parallelism between the upper plane 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 achieved via machine tool buttons. The surface of the electromagnetic chuck should be wiped clean before use 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 an electromagnetic chuck independently, a ground wire should be present to prevent electric shock from leakage.

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