klotz fixture Germany klotz model klotz price

klotz chuck is a machine tool accessory produced based on the principle of using electromagnetism: energizing internal coils generates magnetic force, which passes through a magnetically conductive panel to firmly hold workpieces in contact with the panel surface; de-energizing the coils eliminates the magnetic force to demagnetize and remove the workpiece. Main applications include workpiece fixing during machining of ferrous workpieces on grinding machines, electromagnetic knife grinders, gantry milling machines, and gantry planers. Lifting threaded holes are provided on both sides of the rectangular electromagnetic chuck; during installation, insert T-shaped screws for lifting, and secure to the workbench using T-shaped blocks and screws. Connect the DC power supply and ground wire on the machine tool, then perform a precision grind on the upper surface of the chuck to ensure parallelism between the upper and bottom surfaces. When holding workpieces, sufficient positioning suction force is obtained by bridging two adjacent magnetic poles, allowing grinding operations. Magnetization and demagnetization of the workpiece can be controlled via machine tool buttons.

klotz fixture working principle

The most widely used grippers are pneumatic grippers; they are essentially cylinders powered by compressed air. When air is supplied, the gripper jaws approach and firmly grasp the object to perform other operations. When the air direction is reversed, the gripper releases the object. Typical applications include changing object orientation or moving objects during pick-and-place operations. When gripping workpieces, the gripper must provide certain force and shape constraints to ensure that the clamped workpiece is fully released during movement, dwelling, and loading processes. Additionally, it must ensure that the geometric deviation of the workpiece holding posture remains within the specified tolerance zone.

klotz fixture features

Workpiece varieties for small-batch, multi-variety production account for approximately 85% of the total number of workpiece types. Modern production requires enterprises to frequently update their product varieties to adapt to market demands and competition. However, most enterprises are still accustomed to extensively using traditional special-purpose fixtures. In factories with medium production capacity, there are typically thousands to nearly ten thousand sets of special-purpose fixtures. On the other hand, in enterprises with multi-variety production, approximately 50~80% of special-purpose 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, shortening production preparation cycles and reducing 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, etc., to further reduce labor intensity and improve labor productivity; 6) Improve the standardization level of machine tool fixtures. This is mainly manifested in four aspects: standardization, precision, efficiency, and flexibility.

klotz fixture applications

1) Stably ensure workpiece machining accuracy: When clamping workpieces with fixtures, the positional accuracy of the workpiece relative to the tool and machine tool is guaranteed by the fixture, unaffected by the worker's skill level, ensuring consistent machining accuracy for a batch of workpieces. 2) Reduce auxiliary time and improve labor productivity: Clamping workpieces with fixtures is convenient and fast; workpieces do not require marking and alignment, significantly reducing auxiliary time. Clamping workpieces in fixtures improves workpiece rigidity, allowing for increased cutting parameters. Fixtures capable of clamping multiple workpieces or at multiple stations can be used, along with efficient clamping mechanisms, to further improve labor productivity. 3) Expand the usage range of machine tools and achieve multi-functionality: Based on the forming movements of the machining machine tool, attaching different types of fixtures can expand the original process range of the machine tool. For example, installing boring jigs on the slide plate of a lathe or the worktable of a radial drilling machine allows for boring processing of box-type parts. 4) Ensure machining accuracy: Using fixtures for installation accurately determines the mutual position between the workpiece, machine tool, and cutter. Workpiece positional accuracy is guaranteed by the fixture, unaffected by the worker's skill level, resulting in high and stable machining accuracy. 5) Improve productivity and reduce costs: Clamping workpieces with fixtures allows for rapid positioning and clamping without alignment, significantly reducing auxiliary time. Clamping workpieces with fixtures improves workpiece rigidity, allowing for increased cutting parameters. Fixtures capable of clamping multiple workpieces or at multiple stations can be used, along with efficient clamping mechanisms. These factors contribute to improved labor productivity. Additionally, using fixtures stabilizes product quality, reduces scrap rates, allows for the assignment of workers with lower technical grades, and significantly reduces production costs. 6) Expand the process range of machine tools: Using special-purpose fixtures can change the original purpose of the machine tool and expand its usage range, achieving multi-functionality. For example, installing boring jig fixtures on lathes or radial drilling machines allows for boring processing of hole systems in box parts. Special-purpose fixtures can also convert lathes into broaching machines, fully utilizing the capabilities of general-purpose machine tools. 7) Reduce workers' labor intensity: Clamping workpieces with fixtures is convenient and fast. When using pneumatic, hydraulic, or other clamping devices, workers' labor intensity can be reduced.

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