首页 >> 试验机案例 >> 5kN塑料波纹管纵向荷载试验Plastic Bellows Axial Load Test
5kN塑料波纹管纵向荷载试验，自动测量管节压缩量，自动计算管节纵向压缩量与管节长度比。波纹管纵向载荷试验是波纹管型式检验和出厂检验及复验判定依据。HRJ Tests；截取长110mm塑料波纹管试样，不用内衬，对塑料波纹管施加纵向荷载N，持荷10min，记录前后所施加荷载及其管节压缩量ΔL，按公式计算计算管节纵向压缩量ΔL与管节长度L＂之比K，K不大于0.8％评判为合格。
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