Abstract
It is shown that decrease and damping of the traction force at the end of
the plunger move is possible not only due to application of a special
keeper design, but also due to change of the plunger shank geometric form.
The computer modeling with the use of finite element method is used to
analyze the influence of system geometry on force distribution along
plunger movement. The damping effect is confirmed when special shape
plunger shanks are used.
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