Clamping Devices

A clamping device is used to minimize deformation during processing. Once the workpiece is found, it must be held against the machining force. The mechanism used for this is a known clamp. They are workpiece fixtures that are usually located above the supporting surface. The fiber mat is riveted to the surface of the fixture and the metal fixture is in contact with the workpiece to avoid damage caused by metal contact. The clamping force required to fix the workpiece on the positioner depends on the tool force during operation and the positioning method of the component.

Types of Clamping Systems

The most effective clamping device means that the clamping force should be sufficient, and the design of the clamping device should minimize the working time of the fixture or fixture. Therefore, to achieve high productivity, quick-action fixtures are essential, and simple fixtures may be suitable for small batch work. We will review different types of fixtures and methods of clamping now.

Lever of Strap Clamping Devices

This is the most common clamping system used for fixtures and fixtures in workshops and tool rooms. Among them, after unscrewing the nut, the spring pushes the clamp upward. The clamp has longitudinal grooves so it can be pushed away from the workpiece. Threaded handles or quick-locking cams can be used instead of hex nuts to speed up the clamping process. When removing the jig from the jig, rotate this type of jig to clear the job.

Screw Clamping Devices

These are used extensively in clamping devices and fixtures. These have smaller values. They are very late, however. To keep the component in place, the simple screw clamp utilizes the torque produced by the thread. This may be done by explicitly applying pressure or by operating on another fixture. There are several types of clamps with screws. To provide the benefits of screw clamps and decrease their drawbacks, different kinds of commercial clamps have been made. By using swing clamping systems, hook clamps, and snap-action knobs, the performance of screw clamps can be increased. The screw clamp and the swingarm are joined by the swing clamp, and the swingarm pivots on its mounting stud.

Cam-Action Clamping Devices

The correct selection and use of cam action fixtures can provide a fast, efficient, and simple way to fix work. Due to its structure and basic operating principles, the use of cam clamping device is restricted in certain types of tools.

Hinged Clamping Systems

These utilize hinged covers to load and unload components. Usually, this type of clamping system is integrated with the hinge cover. This type of clamp is usually used when it is necessary to completely remove the clamp and bolt to load the part. The clamp housing is designed such that the lug is provided for positioning the hinge pin. To save the operator's time, a coil spring is used to fix the washer under the nut.

Two-Way Clamping Devices

The clamping force is applied to the workpiece's top and one hand. There is a fast release mechanism on the clamp. In this arrangement, the lever length should be roughly so that, at its clamping position, each clamp exerts equal pressure. The top clamp's end is slotted, so it is easy to put the entire clamping system out of the working position.

Cam Operated Clamping Devices

This provides a fast, productive, and easy way of operating. The clamping device can loosen if the cam clamp exerts pressure on the work directly and the work is subject to vibration, then the clamp should not be used. The position of the direct pressure cam clamp must be able to resist the tendency of the clamp to naturally move or move the workpiece when the clamp is engaged. To prevent this movement, always position the clamp so that the work can be pushed into the positioner when pressure is applied. In the indirect clamping system, the benefits of cam action can be achieved by using cam action instead of threads to tie the band clamp. In this process, the risk of loosening or shifting the workpiece during clamping is minimized.

Powered Clamping Systems

With hydraulic control, pneumatic control, or a gas-liquid booster, electrical fixtures may be worked. The clamping pressure can best be controlled by power clamps. The moving parts of the fixture wear less and the operation cycle becomes faster. The production speed and efficiency are higher, but the initial cost is higher.

Chuck and vises

The chucks and vises available on the market can be adapted to various tasks with slightly modified jaws and can be used for many applications. Blank vise jaws and blank chuck jaws can be easily modified to suit almost all clamping systems’ needs. By using standard chucks and vices with special tools, you can save a lot of time and money, and improve work efficiency.

Non-Mechanical Clamping Systems

Due to its size, shape, or fragility, non-mechanical clamps (such as magnetic and vacuum chucks) are used to fix parts that are difficult to fix with other equipment. The magnetic chuck can use permanent magnets or electromagnets. An electromagnetic chuck is suitable for ferrous metal parts. For other materials, mechanical equipment must be used with magnetic chucks. There are many styles and shapes of electromagnetic chucks and accessories. For non-magnetic parts, vacuum chucks are a good choice.

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