Top pins might be too long for the pin stack, also creating a condition where the driver springs will be crushed. Master pins left behind will add to the overall height of the pin stack and could damage driver springs. Depending on the combination of the operating key, some master pins may remain in the upper chambers. All the bottom pins and some master pins are removed by running a follower through the lock cylinder. Locksmiths may forget to remove all pins and springs from the lock cylinder in preparation to rekey it. Pin stacks of most standard lock cylinders can be less critical as there is more space for springs to operate therefore pin stacks do not have to be exact. A set pin stack height ensures that driver springs will not be crushed. One of the reasons for having a specific pin stack height is because the core is smaller than a standard lock cylinder and the operating space within the core is limited. Interchangeable core manufacturers have given their cores a set pin stack height to ensure that the core operates properly when an operating key is inserted.
The pin stack height can be a given number or an actual size. The pin stack height is often expressed in units of increments established by the lock manufacturer. The definition of the pin stack is the overall height of all pin tumblers in a given chamber.
Lock representatives are always willing to help out and often can provide materials that can aid in understanding what goes on inside the lock cylinder. A great deal of frustration can be eliminated by taking a close look at what is going on inside the cylinder and implementing the tips within this article.īeginning locksmiths should never be shy about asking their more experience peers for solutions. Some problems can be caused by pin stacks, crushed springs, mis-cut keys, and assembly errors.
Click here to download the magazine layout with drawings and chartsīeginning locksmiths can encounter problems when keying commercial lock cylinders.
0 kommentar(er)
