Drop Weight Impact Testing Machine

Model: DWTT Series
Description:
DWTT Drop Weight Impact Testing System is suitable for drop weight tear test of various kinds of ferrite, especially for the test of DWTT for pipeline steel as ASTM-E 436, API-RP 5L3, ASTM-E 208 and DIN EN 10274. DWTT has integrated mechanical, electrical, and automatic control technology, and achieved full automation of feeding, hammer lifting impact, and fracture specimen collection. The load frame has a four-column design, features in stable supporting structure, rigid, dual sliding rails. The Drop Weight Drop Weight Tester is equipped with positioning mechanism, anti-dumping mechanism, safety mechanism, hydraulic buffer devices and security guard net. The impact energy is determined by the lifting height and configuration of different net weights.
DWTT Drop Weight Impact Testing System is the essential quality control equipment for pipeline manufacturers, steel mills, iron and steel enterprises, and is also widely used for research institutes.
1. Buffer device is equipped to avoid the second impact and absorb the residual energy after breaking the specimen so as to prevent the weigher and anvil from destroying. The installation of safety mechanism, buffer device, and security guard net will effectively secure the testing machine and its operation to extend its life.
2. Configuration of the specimen-feeding system, anti-second impact device, and specimen centering mechanism will guarantee a quick, accurate and reliable test.

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  • Model

    DWTT- 20000

    DWTT- 30000

    DWTT- 40000

    DWTT- 50000

    DWTT- 80000

    DWTT- 100000

    Max. Energy (J)

    20000

    30000

    40000

    50000

    80000

    100000

    Max. Lifting (mm)

    3000

    2800

    2500

    2000

    3000

    3000

    Max. Impact Velocity (m/s)

    7.6

    7.4

    7

    7

    7.5

    7.5

    Curvature Radius of Weight (mm)

    R25

    R25

    R25.4±2.5

    R25

    R25

    R25

    Curvature Radius of Anvil (mm)

    R25

    R25

    R14.3±1.59

    R15.5

    R15

    R15.5

    Hardness of Weight and Anvil

    ≥HRC58

    ≥HRC58

    HRC58-65

    HRC58-65

    HRC58-65

    HRC58-65

    Distance between Supports (mm)

    254

    254

    254

    254

    254

    254

    Centering Deviation of Specimen   (mm)

    ≤±1

    ≤±1

    ≤±1

    ≤±1

    ≤±1

    ≤±1

    Indicating Deviation of Lifting   (mm)

    ≤±1

    ≤±1

    ≤±1

    ≤±1

    ≤±1

    ≤±1

    of the Load Frame (mm)

    5500

    5500

    5700

    5700

    6800

    7000

    Weight (kg)

    5600

    5600

    9500

    17800

    18000

    24000