German Koenig workholding fixtures Koenig model Koenig price

Koenig workholding fixtures refer to devices used in the mechanical manufacturing process to secure the workpiece, ensuring it occupies the correct position for machining or inspection; they are also known as jigs. Broadly speaking, any device used to quickly, conveniently, and safely install a workpiece during any step of the process can be called a fixture. Fixtures typically consist of locating elements (to determine the correct position of the workpiece within the fixture), clamping devices, tool-setting guide elements (to determine the relative position of the tool to the workpiece or guide the tool direction), indexing devices (enabling the workpiece to undergo machining at several stations in a single setup, including rotary indexing devices and linear indexing devices), connecting elements, and fixture bodies (fixture bases). Examples include welding fixtures, inspection fixtures, assembly fixtures, and machine tool fixtures, among which machine tool fixtures are the most common and are often simply referred to as fixtures. When machining a workpiece on a machine tool, to ensure the surface meets the technical requirements specified in the drawing regarding dimensions, geometric shape, and mutual positional accuracy with other surfaces, the workpiece must be properly located (positioning) and securely held (clamping) before machining.

Koenig workholding fixture types

1) Standard rectangular electromagnetic chuck Application: Surface grinding machines with rectangular tables. 2) High-power electromagnetic chuck Application: Milling machines, planers, machining centers. 3) Fine-pole electromagnetic chuck Application: Surface grinding machines with rectangular tables, milling machines. 4) Multi-function high-power electromagnetic chuck Application: Surface grinding machines with rectangular tables. 5) Rotary electromagnetic chuck Application: Various surface grinding machines. 6) Electromagnetic chuck for tool grinding Application: Tool grinding machines. 7) Circular electromagnetic chuck (concentric pole type) Application: Surface grinding machines with circular tables. 8) Circular electromagnetic chuck (radial pole type) Application: Surface grinding machines with circular tables. 9) Circular electromagnetic chuck (plum blossom pole type) Application: Surface grinding machines with circular tables. An electromagnetic chuck is an electromagnetic fixture that secures the workpiece using the magnetic force generated by the chuck body when the electromagnetic coil is energized. The electromagnetic chuck consists of an iron core, coil, faceplate, and bracket. The electromagnet, formed by the coil and iron core, is the main component of the electromagnetic chuck.

Koenig workholding fixture features

Workpieces for small-batch, high-variety production already account for approximately 85% of the total number of workpiece types. Modern production requires companies to frequently update their product varieties to meet market demands and competition. However, most companies are still accustomed to extensively using traditional dedicated fixtures. In factories with medium production capacity, there are typically thousands to nearly ten thousand sets of dedicated fixtures. On the other hand, in companies with high-variety production, approximately 50~80% of dedicated fixtures need to be updated every 3~4 years, while the actual wear of the fixtures is only about 10~20%. To meet the application of new machining technologies such as CNC machine tools, machining centers, group technology, and Flexible Manufacturing Systems (FMS), machine tool fixtures have the following characteristics: 1) Enable rapid and convenient setup for new product production to shorten production preparation cycles and reduce production costs; 2) Capable of clamping a group of workpieces with similar characteristics; 3) Suitable for high-precision machine tool fixtures for precision machining; 4) Suitable for new types of machine tool fixtures for various modern manufacturing technologies; 5) Adopt efficient clamping devices powered by hydraulic stations and other power sources to further reduce labor intensity and improve labor productivity; 6) Improve the standardization level of machine tool fixtures. This is mainly reflected in four aspects: standardization, precision, efficiency, and flexibility.

Koenig workholding fixture selection and 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 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 screw 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 and 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.

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