▷▷▷Snap Rings and Snap Ring Pliers
Snap ring pliers are another special case of a tool that is designed for a very specific job. This job is to put in or remove a steel ring from a groove on a shaft or other round device. Most folks do not have a set of these pliers in their tool kit, unless they have had that special need for them or they do work that requires they have a pair of the pliers available. The pliers cannot be used for much else, just put the ring in or take it out. It turns out, however, that this steel ring ring is performing a very important job, so its removal or addition to a piece of machinery is vital. The job of the snap is to hold some part of the machinery in place while the machine is in operation. Like for instance, a snap ring can hold a bearing on a shaft. You say how does the snap ring do that? Well the bearing is a circular object that has a track in it that goes all the way around the circumference of the bearing. In the track of this bearing are steel balls which are called ball bearings. These steel balls ride around the shaft in the groove and allow another object that might be attached to the shaft to rotate effectively because of the rotating ability of the ball bearings. If this bearing slipped off, the shaft the machinery would come to a grinding halt since the bearing and its ball bearings would not be available to allow the object to turn.
The snap ring is placed in a groove that is at the end of the shaft. This ring is made of very high tensile steel so that it will be able to retain its shape and stay in the groove where it resides. The ring protrudes above the top of the groove in which it resides. This protrusion will not allow the bearing to slide off the shaft, which would disable the machinery. There are both internal and external snap rings. The internal types are put inside the shaft or cylindrical object, while the external snap rings are put on the outside of the machinery part. The snap ring pliers that place these are designed to work with either external or internal rings. There are other pliers that can handle either internal or external rings. As you might expect there is a wide variety of these pliers, because there is a wide variety of snap ring types and places and ways they can be mounted or extracted. Most of the time the snap ring pliers are straight, but there are some that have 45 degree tips or 90 degree tips. The multifunctional types of these tools are usually more expensive than their single use counterparts. The snap rings can be shaped in various configurations, i.e., round, square, or rectangular, depending on the machine on which it is mounted and the object that must be retained.
If the ring has two holes in either end of it like the example pictured, the tool that is required to do this job will have a nose end that is set at 90 degrees. This will allow the pliers, once inserted into the holes of the ring, to compress the ring by squeezing the handles of the the tool. The snap ring can then either be placed into or removed from its groove. The location of the ring in relation to other parts of the machinery that are close by may have some bearing on the snap ring pliers that you can use to do this job. It might be difficult to get to the ends of the ring for its placement or removal. This will have some bearing on the tool that you might get to do the job. Sometimes you might have need of a set of these pliers to repair another tool that is broken or you may need them to work on the brakes on your car. There are snap ring pliers that have replaceable tips. These allow you to have this tool for more than one ring type when you need them. Whatever the repair, you will need to determine the type of ring that needs to be removed and its size to select the appropriate tool to do the job.
Ball Hammer
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