German EROGLU workholding fixtures EROGLU model EROGLU price

EROGLU workholding fixture is a machine tool accessory product manufactured based on the electromagnetic principle. It generates magnetic force by energizing internal coils, tightly holding workpieces in contact with the surface of a magnetically conductive panel. Demagnetization and workpiece removal are achieved by de-energizing the coils to eliminate the magnetic force. Main applications include workpiece fixation during the machining of ferrous workpieces on grinding machines, electromagnetic knife grinders, gantry milling machines, and gantry planers. Lifting threaded holes are located on both sides of the rectangular electromagnetic chuck; T-shaped screws can be screwed in for lifting during installation. The chuck is 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 and bottom surfaces. When holding workpieces, sufficient positioning suction force is 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.

EROGLU workholding fixture classification

1) Lathe fixtures: Fixtures used on lathes to machine internal and external rotary surfaces and end faces of workpieces are called lathe fixtures. Most lathe fixtures are mounted on the spindle, while a minority are installed on the saddle or bed. 2) CMM fixtures: Used on coordinate measuring machines, utilizing modular support and reference devices to achieve flexible fixation of measured workpieces. This device supports automatic programming to support workpieces and establish unlimited workpiece configuration reference points. Advanced dedicated software can directly generate workpiece clamping programs within seconds based on geometric data. 3) Industrial robot fixtures: Mounted on industrial robots for use in industrial automation equipment, representing one of the new technologies in modern industrial automation. They primarily appear in modern industrial production in coordination with robots, with common applications including automated loading/unloading, palletizing/depalletizing, welding, and grinding in unmanned factories. 4) Milling machine fixtures: Installed on milling machine worktables, moving with the table during feed motion. They mainly consist of positioning devices, clamping devices, fixture bodies, connecting elements, and tool-setting elements. During milling, cutting forces are high and cutting is intermittent, causing significant vibration; therefore, milling fixtures require high clamping force, stiffness, and strength. 5) Bearing housing fixtures: To ensure and improve the production quality of bearing housings, besides machine tools and other mechanical equipment, extensive process equipment is used, including bearing housing fixtures, molds, cutting tools, and related auxiliary tools. Bearing housing fixtures are specialized production tools designed to ensure product quality, making the production process more convenient. Different bearing housing fixtures vary in structure, form, operating conditions, and design principles, resulting in a wide variety of types and styles, accounting for a significant proportion in both quantity and diversity. These fixtures accurately determine the relative position between the workpiece and the tool, clamping the workpiece to facilitate required motions during machining. Due to their critical role in the bearing housing production process, the drafting of bearing housing fixture design drawings is also very important.

EROGLU workholding fixture classification

1) General-purpose fixtures: General-purpose fixtures are standardized and can be used to machine different workpieces within a certain range. Examples include three-jaw chucks and four-jaw independent chucks on lathes, and vises, indexing heads, and rotary tables on milling machines. These fixtures are generally produced by specialized factories and supplied as machine tool accessories. They are characterized by wide adaptability but low production efficiency, mainly suitable for single-piece and small-batch production. 2) Dedicated fixtures: Dedicated fixtures are specifically designed for a particular operation on a specific workpiece. They feature compact structures, rapid, convenient, and labor-saving operation, ensuring high machining precision and production efficiency. However, the design and manufacturing cycle is long, and costs are high. When products change, these fixtures may become obsolete and scrapped. They are only suitable for fixed-product, large-batch production. 3) Universal adjustable fixtures and group fixtures: Their characteristic is that some components can be replaced and some devices adjusted to accommodate the machining of different parts. Fixtures used for group machining of similar parts are called group fixtures. Compared to group fixtures, universal adjustable fixtures have less clearly defined machining objects and a wider scope of application. 4) Modular fixtures: Modular fixtures are assembled from a set of pre-manufactured standard elements and components according to part machining requirements. Manufactured by specialized manufacturers, they are characterized by flexibility, strong versatility, short manufacturing cycles, and reusable elements, making them particularly suitable for new product prototyping and single-piece/small-batch production. 5) Pallet fixtures: Pallet fixtures are used on automated lines. They serve to clamp workpieces and move as an integrated unit with the workpiece from one station to the next along the automated line for different machining operations.

EROGLU workholding fixture applications

1) Consistently ensures workpiece machining precision: 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 worker skill levels, ensuring consistent machining precision across a batch of workpieces. 2) Reduces auxiliary time and improves labor productivity: Clamping workpieces with fixtures is convenient and fast, eliminating the need for layout and alignment, significantly reducing auxiliary time. Clamping increases workpiece rigidity, allowing for higher cutting parameters. Fixtures capable of clamping multiple workpieces or at multiple stations, combined with high-efficiency clamping mechanisms, further enhance labor productivity. 3) Expands machine tool usage range, achieving multi-functionality: By attaching different types of fixtures according to the forming motion of the machining machine tool, the original process range of the machine tool can be expanded. For example, installing boring jigs on the carriage of a lathe or the table of a radial drilling machine enables boring operations on box-type parts. 4) Ensures machining precision: Fixture installation accurately determines the mutual positions between the workpiece, machine tool, and tool. Workpiece positional accuracy is guaranteed by the fixture, independent of worker skill, resulting in high and stable machining precision. 5) Increases productivity and reduces costs: Clamping workpieces with fixtures allows rapid positioning and clamping without alignment, significantly reducing auxiliary time. Increased workpiece rigidity permits higher cutting parameters. Using multi-workpiece/multi-station fixtures and high-efficiency clamping mechanisms contributes to higher labor productivity. Additionally, fixture use stabilizes product quality, reduces scrap rates, allows the assignment of lower-skilled workers, and significantly lowers production costs. 6) Expands the process range of machine tools: Using dedicated fixtures can change the original purpose of a machine tool and expand its usage range, achieving multi-functionality. For example, installing boring jig fixtures on lathes or radial drilling machines enables boring of hole systems in box parts; dedicated fixtures can also convert lathes for broaching operations, fully leveraging the capabilities of general-purpose machine tools. 7) Reduces worker labor intensity: Clamping workpieces with fixtures is convenient and fast. When using pneumatic, hydraulic, or other clamping devices, worker labor intensity is reduced.

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