Quick Facts: Different Types of Fixtures and Fixtures

Innovative manufacturing concepts such as lean production systems, cell manufacturing, and one-minute mold change have been introduced into the production process. For these innovative methods, a large number of efficient, low-cost instrumentation and workholding devices are required. Read on to learn more about the different types of jigs and fixtures. Jig Types The following are the types of jigs. 1. Formwork fixture The simplest model is formwork fixture. The plate has two holes that serve as a template for the part to be machined and on which it is fixed. The hole in the template is used as a guide for drilling, and the hole on the workpiece is drilled at the same relative position as the hole on the template. 2. Plate fixture The angle plate fixture is used to improve the formwork fixture, and drill holes are added on the surface of the formwork. With plate clamps, precise hole spacing can be maintained when drilling large components. 3. Channel Jig The cross section of the channel jig resembles a channel. Turning the knurled knob locates and clamps components within the channel. The drill sleeve serves as a guide for the instrument. 4. Diameter jigs can be used to drill radial holes in cylindrical or spherical workpieces. 5. Leaf jigs can be loaded and unloaded by using the blades on the jig. 6. Ring jig To drill holes in circular flange pieces, use a ring jig to drill the hole by guiding the tool through the drill sleeve while firmly attaching the workpiece to the drill body. 7. Box jig This type of jig has a box-like design in which items are tightly held so that drilling or machining can be done from different angles at the same time. Types of Fixtures 1. Turning Fixtures Lathes have typical workholding devices such as chucks and collectors between the center and the mandrel or face plate, making it easy to hold regular workpieces. However, clamping oddly shaped components can be a challenge. Simpler profiled projects can also use the chuck in the case of a four-jaw chuck or with profiled soft jaws. In contrast, workpieces with complex shapes must be held in place with the aid of turning fixtures. These fixtures hold the workpiece in place, usually on the front end of the spindle or on a panel. 2. Milling Fixtures Workpieces are held by milling fixtures, which are usually attached to the front end of the spindle or to a panel. The table is moved and positioned relative to the tool to achieve the desired effect. Before starting machining, the workpiece is placed on the base of the fixture and clamped. 3. Broaching Fixtures These fixtures are used on various types of broaching machines to position, fix and support workpieces during operations such as keyway broaching and hole broaching to broach internal broaching holes with splints as fixtures. 4. Grinding Fixtures Grinding machines use various fixtures to position, fix and support the workpiece being ground. Workholding devices such as chucks and mandrels can be used with these fixtures. 5. Boring jig The structure of this jig does not need to be as strong as a milling jig because it will never withstand the same heavy cutting loads that a milling jig is subjected to. 6. Index Fixtures Multiple components must be machined on different surfaces in order to have their machined surfaces or shapes evenly distributed. In order to manufacture as many surfaces as possible, these elements must be indexed a corresponding number of times. A suitable indexing mechanism is built into the holding device (jig or fixture). An indexing fixture is a fixture that includes a device that can be used to index data. 7. Tapping Jigs For cutting internal threads in drilled holes, tapping jigs are designed to hold and stabilize the same working part. Unevenly shaped and unbalanced parts always require specific fixtures, especially when high-volume tapping is required. 8. A fixture that accommodates two identical parts at the same time and allows them to be processed at two different stations at the same time is called a double fixture. 9. Welding Fixtures Welding fixtures are designed to prevent deformation of welded structures throughout the process as they hold and support the various components. The clamp has to be light but strong, and the clamping parts have to be placed far enough from the weld area to be effective. To withstand the welding forces, the jig must be very strong and rigid. 10. Assembly Fixtures The purpose of these fixtures is to hold the parts of the assembly in their correct relative positions. Shenzhen Vowinprovides workholding solutions for your custom parts processing, ensuring that you can get parts and products that meet your requirements and high quality. Contact Vowintoday to start your machining project.
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