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drop weight impact testing machine
mainly used for drop weight tear test (DWTT) of Ferritic Steels, toobserve specimen fracture surface after impact within the temperature that fracture type is
converted from non-ductility to ductility. This test method is that hammer striker with some
weights is raised to some height then released. Free drop hammer impacts and tears the
specimen. After impact, proportions of ductile fracture (shear) and cleavage on the fracture
surfaces are measured.
Standards
1. API RP 5L3
2. ASTM E 436
3. EN 10274
4. GB 8363
Specifications
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Model
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WCJ-30000
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WCJ-40000
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WCJ-50000
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Max impact energy
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30000J
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40000J
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50000J
|
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Range of energy
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9000J-30000J
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12000J-40000J
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15000J-50000J
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Tup Mass
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600kg
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800kg
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1000kg
|
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weight of counterpoise/pcs
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600kg/20pcs
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810kg/27pcs
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1000kg/20pcs
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Chisel edge span deviation
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≤±1.0mm
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low temperature humidity chamber
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room temperature~-70℃
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Control method
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Computer+PLC/Manual touch screen+PLC
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Control mode
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Auto/semi-auto/manual
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Full test time
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The specimen leaves the low temperature chamber until the break time<9s
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