mega fixture Germany mega model mega price

The mega fixture is a machine tool accessory produced based on the electromagnetic principle. It generates magnetic force by energizing internal coils, tightly holding workpieces in contact with the surface of the 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 screw holes are located on both sides of the rectangular electromagnetic chuck; insert T-shaped screws for lifting during installation. Secure it to the workbench using T-shaped blocks and screws, connect to the DC power supply and ground wire on the machine tool, and then precision grind the upper surface of the chuck once to ensure parallelism between the upper surface and the bottom surface. 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.

mega 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) Coordinate measuring machine (CMM) fixtures: Used on measuring machines, utilizing modular support and reference devices to achieve flexible fixation of the measured workpiece. This device supports automatic programming to realize workpiece support and can establish unlimited workpiece configuration reference points. Advanced dedicated software can directly generate workpiece clamping programs within seconds based on the geometric data of the workpiece. 3) Industrial robot fixtures: Installed 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 in automated unmanned factories for machine tool loading/unloading, workpiece palletizing/depalletizing, welding, and grinding. 4) Milling machine fixtures: Installed on the milling machine worktable and move 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 machine fixtures require high clamping force, as well as high rigidity and strength. 5) Bearing housing fixtures: To ensure and improve the production quality of bearing housings, in addition to machine tools and other mechanical equipment, a large amount of process equipment is used, including bearing housing fixtures, molds, cutting tools, and related auxiliary tools. A bearing housing fixture is a production tool specifically designed to ensure the product quality of bearing housings, 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. This type of bearing housing fixture can accurately determine the relative position between the workpiece and the tool, i.e., it can clamp the workpiece to be machined, thereby enabling the motions required during the machining process. Since bearing housing fixtures play a very important role in the bearing housing production process, the drafting of bearing housing fixture design drawings is also crucial.

mega fixture classification

1) General-purpose fixtures: General-purpose fixtures refer to standardized fixtures that 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 manufactured by specialized factories and are often supplied to users as machine tool accessories. Their characteristics include wide adaptability and low production efficiency, making them mainly suitable for single-piece and small-batch production. 2) Dedicated fixtures: Dedicated fixtures refer to fixtures specially designed for a specific operation on a particular workpiece. Their characteristics include compact structure, rapid, convenient, and labor-saving operation, ensuring high machining accuracy and production efficiency. However, the design and manufacturing cycle is long, and manufacturing costs are high. When the product changes, the fixture becomes obsolete and is scrapped due to inability to reuse. They are only suitable for production with fixed products and large batches. 3) General-purpose adjustable fixtures and group fixtures: Their characteristic is that some components of the fixture 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 with group fixtures, general-purpose adjustable fixtures have less clearly defined machining objects and a wider scope of application. 4) Modular fixtures: Modular fixtures refer to fixtures assembled from a set of pre-manufactured standard components and parts according to the machining requirements of the part. Manufactured by professional manufacturers, their characteristics include flexibility, strong versatility, short manufacturing cycle, and reusability of components, making them particularly suitable for trial production of new products and single-piece/small-batch production. 5) Pallet fixtures: A pallet fixture is a type of fixture used on automated lines. This fixture not only serves to clamp the workpiece but also moves as an integrated unit with the workpiece along the automated line from one station to the next for different machining operations.

mega fixture maintenance

1) Before use, check whether the limit dimensions remain in the correct position. 2) If stop pins exhibit excessive wear, they can be repaired by grinding; if baffles, pins, or tapered locating pins exhibit excessive wear, they can be reassembled, shifting the worn areas to allow continued use. 3) Apply anti-rust oil after use. Regular long-term lubrication maintains the service life of synchronous fixtures; incorrect lubrication will lead to reduced clamping force, poor accuracy, wear, and seizing, so proper lubrication is essential. After machining, be sure to clean the body and slide ways of the synchronous fixture using an air gun or similar tool. During cleaning, remove the dust cover fixing screws and take off the dust cover, while extending the main jaws to their widest position to easily clean accumulated chips inside the fixture. To avoid reduced clamping force due to rust, use rust-preventive cutting oil. Completely disassemble and clean the synchronous fixture every six months (at least every two months when machining cast iron or copper alloys). Check parts for damage or wear, and replace with new parts immediately if severe. Lubricate thoroughly before assembly.

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