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Types of Clamps

6/25/2013 1:00:23 PM | by Anonymous


Clamps are uncommon hardware tools, typically used by woodworkers and those who are into DIY (do it yourself) projects, although they are also used in surgery. In general, clamps are devices designed to hold materials firmly in places so work can be done on the object without it moving. There are many types and uses of clamps and anything that carries out a clamping action is referred to as a clamp, but they can be divided into three main categories – permanent, temporary and medical clamps.


Permanent clamps are usually used in heavy duty construction or joining things such as pipes. For example, hose clamps are typically to hold connect pipes that withstand moderate pressure, although some of their more unconventional uses include holding up signs. Marman clamps perform the same function as hose clamps but are much stronger. They are usually utilized in space vehicles and were used in the transportation of atomic bombs in World War II. Wire hose clamp can be found in mines or construction sites holding wire ropes in place. Wire ropes are now used in replacement of steel chains and have a large variety of uses such as heavy lifting or providing support in structures such as bridges.


There are many types of temporary clamps and some of the more commonly used ones are the C-clamp, the pipe clamp and the spring clamp. Pipe clamps and C-clamps are used for holding wood and metals and considered must-haves for keen DIY-ers. The differences between the two are that the pipe clamp can grip more parts as its capacity depends on the length of the pipe. Furthermore, since pipe clamps can be made with just a few parts and lengths of pipes, the user can adjust the clamp until the length and strength produced is to their liking. The spring clamp consists of two, usually small, handles joined by a metal spring. It resembles a clothe-spring but is extremely useful in small projects or holding things in place during painting or gluing by doing the job of holding the object in place.


The most commonly known medical clamp is probably the umbilical cord clamp, used by doctors to clamp the umbilical cord after birth. Some of these clamps are combined with a knife, making the process of cutting the umbilical cord safer and faster. Clamps that are used in surgeries include hemostat and aortic cross-clamps. They are both vital surgical tools used to control bleeding during surgeries. The aortic cross-clamp is used to clamp the aorta in cardiac surgery while different variations of the hemostat clamp are used on different blood vessels, due to the differences in pressure. Other medical clamps include the Forester and Pennington clamp. Both are commonly used in body piercings, the latter more particularly for tongue piercings. The Foerster clamp has a round eyelet while Pennington clamps have triangular eyelet. Gomco and Mogen clamps are used in circumcisions.


It is easy to distinguish medical clamps from the hardware clamps as their applications vary a lot and are usually only being utilized by health experts. If you are not a skilled woodworker but are planning to build furniture so you can save money, or have a passion for DIY projects, familiarize yourself first with the many types of hardware clamps so you can easily determine which one is right for the job. The prices for clamps vary according to their sizes but most are not particularly exorbitant. With proper care and maintenance such as regular oiling to prevent build-up of rust on the clamps, they are definitely a worthwhile investment, because they make crafting a lot more convenient.

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