German dit diamanttechnik workholding fixtures, dit diamanttechnik models, dit diamanttechnik prices

dit diamanttechnik workholding fixtures are machine tool accessories produced based on the electromagnetic principle. When the internal coil is energized, it generates magnetic force that passes through the magnetically permeable panel to firmly hold the workpiece in contact with the panel surface. De-energizing the coil eliminates the magnetic force, achieving demagnetization and allowing the workpiece to be removed. Primary applications include workpiece fixation during the machining of ferrous workpieces on grinding machines, electromagnetic knife grinders, gantry milling machines, and gantry planers. 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 worktable 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 of the upper surface to the bottom surface. When holding a workpiece, sufficient positioning holding 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.

dit diamanttechnik workholding fixture classification

1) Lathe fixtures: Fixtures used on lathes to machine the 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 mounted on the saddle or bed. 2) Coordinate measuring machine (CMM) fixtures: Used on coordinate measuring machines, these utilize 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 an infinite number of workpiece configuration reference points. Advanced dedicated software can directly generate workpiece clamping programs within seconds using the workpiece's geometric data. 3) Industrial robot fixtures: These are all mounted on industrial robots for use in industrial automation equipment and represent 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: These are all mounted 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 the process involves intermittent cutting with significant vibration; therefore, milling machine fixtures require high clamping force, as well as high stiffness 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; thus, there is 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 cutting tool, meaning it can clamp the workpiece to be machined, thereby enabling the necessary motions during the machining process. Since bearing housing fixtures play a very important role in the bearing housing production process, the drafting of their design drawings is also crucial.

dit diamanttechnik workholding 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, as well as 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 but 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. 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 to 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 elements and components according to the machining requirements of the part. Manufactured by professional manufacturers, their characteristics include flexibility, versatility, short manufacturing cycles, and reusability of components, making them particularly suitable for new product prototyping and single-piece or small-batch production. 5) Pallet fixtures: Pallet fixtures are used on automated production lines. This type of 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 processing different operations.

dit diamanttechnik workholding 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 opening 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. Ensure thorough lubrication before assembly.

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