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ZCJ2000 DWTT Drop Weight Impact Tester


Big Picture
Model:ZCJ2504

Model: ZCJ2303, ZCJ2603, ZCJ2304, ZCJ2404, ZCJ2504, ZCJ2804, ZCJ2105

Max impact energy: 3000J, 6000J, 30000J, 40000J, 50000J, 80000J, 100KJ 

Features:  

The ZCJ2000 series Drop Weight Impact Testing Machine is suitable for performing DWTT or NDT test. The test method is to raise the striker to a specific height then release, free drop striker impacts the specimen and realize dynamic loading. It consists of the model ZCJ2303 and the model ZCJ2304. 

The model ZCJ2303 & ZCJ2603 are specially designed to determine Nil-Ductility transition (NDT) temperature of ferritic steels. NDT temperature is the highest temperature at which the specimen fractures. It means the highest temperature at which the steel material with small cracks fractures under dynamic yield stress. This test method is that raise the striker to a specific height then release, free drop striker impacts the specimen and realize dynamic loading. After impact, evaluate the specimen and adjust cooling temperature, conduct many times test to get NDT temperature.

Conform to ASTM E208

  ZCJ2000 Series DWTT is mainly used for drop weight tear test (DWTT) of Ferritic Steels, to observe specimen fracture surface after impact within the temperature that fracture type is converted from non-ductility to ductility. This test method is that striker with some weights is raised to some height then released. Free drop striker impacts and tears the specimen. After impact, observe shape and features of fracture surface.

Conform to ASTM E436, API RP 5L3

Technical Specifications:

 

Model No.

ZCJ2304

ZCJ2404

ZCJ2504

Max. impact energy

30000J

40000J

50000J

Min. impact energy

8000J

10000J

15000J

Weight of main hammer body

630kgs

800kgs

1180kgs

Error of the main hammer weight

+/-1%

Poise

30kgs/set, 13 sets

30kgs/set, 22 sets

30kgs/set, 26 sets

Error of the poise weight

+/- 0.5%

Weight of the complete hammer

1020kgs

1460kgs

1960kgs

Impact Height

1275mm-3000mm

1275mm-2800mm

1275mm-2600mm

Impact Speed

5m/s-7.67m/s

5m/s-7.41m/s

5m/s-7.14m/s

The resolution of height measurement

0.1mm

The error of height measurement

less than +/-10mm

The material of the striker

6CrW2Si

The rigidity of the striker

HRC58-62

The radius of striker

R25 +/- 0.1mm

The rigidity of the anvil/supporter

HRC58- 62

The radius of anvil/supporter

R20 +/- 0.1mm; R15 +/- 0.1mm

The dimension of the specimen

(300+/-5)mm * (75+/- 1.5)mm *(3-40)mm

The dimension of the load frame

1900mm*1300mm

*5100mm

1900mm*1300mm

*5100mm

2300mm*1550mm

*5200mm

_Enquiry now by Email:info@sans.com.cn