Falling dart impact tester for automobile lower arm

摘要

PURPOSE: A fall impact test apparatus is provided to achieve improved reliability for entire car in a low temperature region by evaluating impact levels under the low temperature condition, while improving reliability of the test. CONSTITUTION: A fall impact test apparatus(1) comprises an impact unit(10) for providing a preset fall impact load to a test product; a fixing unit(20) including a jig for mounting and fixing the test product, and an impact bar(22) for transmitting impact load of the impact unit to the test product; and a low temperature forming/maintain unit(30) including a low temperature chamber(42) for forming/maintaining a low temperature condition around the test product. The impact unit includes a hoist(110) arranged in the upper portion of the apparatus, which lifts or drops a drop weight(120); the drop weight connected to the hoist through a clamping member(118) including a wire(116), and arranged to be slidable in a vertical direction at a guide post(132); a hammer(122) arranged at the outer bottom of the drop weight, which applies impact load to the impact bar; a base(130) supporting the apparatus; the guide post arranged in a vertical direction on the base; and a support pipe arranged upright on the base, which has a top supporting the guide post.