Main application:
This machine is used for carrying out DWTT (drop weight tear test) of metal materials
Executive standards:
GB8363-87 Test Method for DWTT of Ferritic Steels
Reference standards:
APARP*5L3-96 API (American Petroleum Institute) Recommended Methods
ASTM E436-80 Standard Test Method for DWTT of Ferritic Steels
ASTM E604-83 Standard Test Method for Dynamic Tear Testing of Metallic Materials
Main technical parameters:
Name |
Drop hammer tearing tester |
Maximum impact |
30,000J (can be extended to 100,000J) |
Max. impact speed (m/s) |
7 |
Basic mass of drop weight |
650kg |
Maximum mass of drop weight |
1200kg |
Curvature radius of drop hammer cutter |
R25nm |
Curvature radius of stand jaw |
R15.5mm |
Span and center deviation of drop weight bearing |
254mm±1mm (GB8363-87) |
Max. lifting height (mm) |
2800mm |
Hardness of knife edge and supporting surface of bearing jaw |
HRC58-62 |
Sample size (GB8363-87) mm |
300X75X(6-32)mm |
Automatic sample-feeding period |
≤ 5s |
Test sample acquisition unit |
Automatically sent the samples outside the testing machine |
Remaining energy buffering gear |
Dual- mechanical hydraulic combined buffer |
Energy setting device |
Omron rotary encoder |
External dimension: |
1800x2300X5500mm |
Weight |
About 5000kg |