What are the parts of a locking clamp?

     
     
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Parts of a locking clamp     
     
 Parts of a locking clamp A locking clamp's main parts consist of two jaws, a handle, a pressure screw and an adjusting lever. These parts, however, can vary depending on the model.  
     
   

Jaws 

 
 The jaws of a locking clamp are shaped like the letter C 

The jaws are long, curved pieces of metal, which together form a C-shape. A locking clamp has one fixed jaw, which stays static, and a moveable jaw, which can be adjusted.

 

The moveable jaw is controlled by the lever. When the lever is pushed away from the handle the moveable jaw will move away from the fixed jaw, opening the clamp.

 
     
 The tips of the jaws place a large amount of pressure on a workpiece 

When the lever is brought towards the handle, the moveable jaw closes on the fixed jaw. 

 
     
   

Lever

 
 The lever controls the moveable jaw The lever is the part which can either open or close the jaws. This feature is ideal for quick and efficient clamping, as it enables the clamp to grab an item in one movement, without any additional fuss.   
     
   

Handle

 
 The handle is the part which the user grips on to The handle is a long piece of metal which the user can grip on to during work use. It also connects all the other parts together. 
     
   

Pressure screw 

 
 The screw can apply additional pressure from the jaws when rotated 

When the jaws are closed, the screw can be used to adjust the amount of pressure that the jaws place on a workpiece. Once the screw has been adjusted the clamp will stay at that pressure for next time. This means that if the clamp is used to hold a workpiece of the same width, the pressure will not need to be adjusted. However, if the workpiece is narrower, there will be less (or even no) pressure. In contrast, if the next workpiece is wider, there will be greater pressure, or it may prove impossible to close the jaws, so the screw will have to be adjusted.

 
     
 The position of the pressure screw can change on models The position of the pressure screw can vary, depending on the model. On some locking clamps the pressure screw is situated at the end of the handle, for easy rotation.  
     
 Some models have a slot for a hex key to be used to tighten the screw 

Some models will also have a slot in the end of the screw, whereby a hex key can be inserted to tighten the screw and apply greater pressure.

 
     
   

Additional parts 

 
 Some locking clamps have pads attached to their jaws 

Clamping pads

Some locking clamps can have pads attached to the ends of their jaws, to give better grip. These pads are usually flat and have a wider surface area, in order to avoid leaving a dent in the material.  

 
     
 Some models have pads which can swivel Some models have pads which can swivel to various angles, for clamping tapered or irregularly shaped objects with ease.  
     
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