Drop Weight Tear Tester

JLS digital drop-wight tear testing machine can be used for drop weight tear test (DWTT) of conveying steel pipes below 40mm or ferritic steel, bainitic steel and dual-phase steel with a thickness of 3~40m.

GB/T8363-2007 Test method for drop-Weight tear tests of steel products .

API5L3 American Petroleum Institute recommended methods;

ASTM E436-80 Standard Test Method for Drop-Weight Tear Tests of Ferritic Steels;

ASTM E604-83 Standard Test Method for Dynamic Tear Testing of Metallic Materials.

1) The host system is composed of two circular slide columns, four square columns, top plate, base, buffer device, support, jaws, drop weight, drop weight lifting mechanism, hanging hammer mechanism, safety protection device, and sample delivery positioning mechanism, anti-dumping mechanism, etc.

2) The frame is sturdy and the connection is reliable: the sliding column and the column are perpendicular to the base, which can easily clean and lubricate the sliding column; the sample delivery is simple and fast, the positioning is accurate, and the anti-dumping device is durable, which can reliably ensure that the sample is in the It does not slant or fall during the blowing process, avoiding the distortion of the sample and hitting the sample continuously at one time; the support and the jaws are firm and wear-resistant; the safety insurance mechanism and the safety net ensure personal safety, which is absolutely reliable and durable; the shock-absorbing buffer device is effective and durable ;Hanging hammer and hammer off mechanism is flexible and reliable.

a. Maximum impact energy 50000J

b. The installation height of the host is ≤6m

c. Impact speed ≥7m/s

d. Total mass error of drop weight ≤±0.5%

e. Mass error of counterweight weight ≤±0.5%

f. Rockwell hardness of hammer blade and supporting surface of support jaw >HRC56

g. The radius of curvature of the drop hammer blade is R25.4±2.5mm (GB8363-2007)

h. The radius of curvature of the support jaw is R14.3±1.59mm (GB8363-2007)

i. Support span 254+1.5mm (GB8363-2007)

j. The deviation between the center line of the hammer blade of the falling hammer and the center of the span of the support is ±1mm

k. The deviation between the sample centering device and the centerline of the sample notch is ≤1 mm

l. The deviation between the lifting height of the drop weight and the standard value is ≤1 mm

m. Lifting height of hammer head: 0～2600 mm

n. Use height of drop weight test: 1300～2500mm

o. Hammer lifting speed: about 3m/min (special inverter, speed can be adjusted)

p. Specimen size 305×76×(3~40)mm

q. Dimensions of the testing machine: 1600×2300×6000mm

r. Motor power 7kw

s, the total weight of about 9 tons

1.Can you tell me the prices of your products?

Of course. Please feel free to send us an email here or contact us through other ways. You will receive our reply within 24 hours.

2.Can we print our logo/website/company name on the products?

Yes, you can. Many foreign customers often entrust us with OEM products.

3.How long is the lead time for non-customized products?

Usually 7-15 days after order.

4.Can you customize products according to our requirements?

Yes, we have our own R & D design team, so we can customize according to your requirements.

5.Do you have your own production site?

Yes, we have 1000 square meters of mechanical processing workshop, 2500 square meters of product assembly workshop and 700 square meters of R&D and design office building.

6.Do you check the finished products before delivery?

Yes, every production step and finished products are inspected by QC department before shipment, and all design and production procedures are in accordance with ISO9001:2015 management system.

7.How do you do after-sales service?

Generally, we ship with text manuals and detailed video operation explanations to ensure that users can easily learn how to install and use the products. We can also provide remote video instruction via social software at any time! We can even send technicians to your site for paid service!