Saturday, November 26, 2022

What are pressure pliers?

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The pressure clamp, pressure plier or grip pliers It is a type of pliers that allows you to firmly hold a piece that must be kept perfectly fixed during work. This type of pliers usually has a handle with a screw at the end, to adjust the distance between its pliers or jaw, in such a way that they can be used on elements of different diameters.

Uses of the Pressure Clamp

Through a mechanism that includes springs and a system of levers, the pressure clamp It allows a piece to be firmly held, in such a way that when its pliers are closed, they are fixed immovably. Once the gripper is attached to the part, the operator’s hands are free. When the use of the pressure clamp, the pressure is released by pressing the lever that is located on one of its handles. To achieve the appropriate pressure on the element to be fastened, the screw that one of the handles has at its end is enough. This is used to widen or reduce the distance between the gripper jaws. How to regulate pressure clamp for a correct fastening? The object that we want to hold must be placed in the jaws, adjust the screw until the clamp bites the object, then we open the gripper and adjust half a turn more the screw. This last adjustment is the one that will make that when we take the object and lock the gripper, is firmly attached. If the piece that we want to keep fixed slips between the jaws, we must repeat the previous step and close the screw even more. The screw must not be excessively tightened, since we could damage the tool. In some tasks, two grip pliers, to achieve greater strength in cases where two elements must be rotated in opposite directions.

Types of Pressure Pliers

There are several types of pressure pliers. Although the principle of lever and fixing to the piece is the same, these types of pliers differ mainly in their jaws or jaws.

Square Jaw Vise: this type of pliers It serves both to accurately grasp a thin piece to be welded, while keeping the hand away from the heat source, and to grasp an irregular piece whose edges would not allow the use of another gripper.

Oval Jaws Plier: the oval pliers They are the most used for all types of work and they are found in various sizes. They are useful both for fixing tubes and nuts while tightening the screw inside them.

Thin Jaws Plier: these are tweezers special to take small pieces; they usually have a tongs long and fairly close together. A particular use of these tools is the introduction of screws in very small holes, as in the case of watchmaking or jewelry. They do not exert as much force but have great precision.

Pressure tweezers

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