Abstract
Fig. 1 shows the elements of an instrumented falling weight impact (IFWIM) testing system (see Falling Weight Impact Testing Principles). The equipment usually includes (a) a tower, consisting of a rigid base and top plate, connected by two polished columns on which the striker carriage and release platform slide (b) an instrumented striker or tup (fitted with a force transducer) (c) a striker velocity measuring system (d) a striker carriage arrest system (e) the data acquisition system (f) specimen support and clamping attachments. (g) Optional extras can include (i) an energy ‘assist’ system to increase the impact velocity (ii) environmental chambers for testing at different temperatures and (iii) alternative base stands for testing large components.
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