Functional purpose:

 It is mainly used for the drop hammer tear test of pipeline steel and medium thickness steel plate ferrite steel, DWTT test. The testing machine integrates machine, electricity and automatic control technology and realizes the full automatic process of feeding, sledge hammer, impact, fracture sample collection and grasping hammer. In addition, the testing machine is equipped with multiple protective measures, which greatly improves the safety of operators and equipment. This machine is a common test instrument used by pipeline steel manufacturers, large steel mills, steel and iron research institutes and other enterprises and scientific research institutions.

Performance features:

 1: Servo motor sledge hammer, high control accuracy, accurate positioning. When the hammer

 And the hammers are in place, there is a process of motor acceleration and deceleration, which can reduce the impact on the motor

 2: Siemens PLC is equipped with Taiwan's touch screen control, which has the advantages 

 High reliability, strong anti-interference ability, universality, adaptability, strong scalability, small maintenance workload, etc

 3: with automatic sample delivery, automatic positioning function, simple operation, high work efficiency

 4: the main frame adopts the upper and lower split column structure, with four columns in

 Total, and the bottom plate is processed with the whole solid steel plate, which fully ensures

 That the testing machine is as stable as a rock when impacting

 5: the hammer body is processed in a split type, each of which is made of high-strength

 Integral steel plate, with high impact resistance, and will not be broken due to casting defects

 Caused by the use of castings

6: the use of anchor chain to lift the hammer body, compared with the ordinary steel wire rope, the anchor chain elasticity is small, so that the height measurement is more accurate. And the anchor chain strength is high, not easy to wear, safer than the steel wire rope. 

7: the grasping hammer device of the testing machine is a specially designed self locking device. After grasping the hammer, it locks itself immediately. There will be no accident under the action of gravity, and it will not open when the power is cut off It has high

 8: the sample feeding frame of the sample feeding device is processed as a whole, without safety. Welding, with high strength Equipped with sample clip, clip with high quality steel quenching treatment, surface hardness is high, strong and wear-resistant. The seat of the clamp block 

9: according to the tearing and impact characteristics of the falling hammer, the customized and the clamp block is matched with the swallow tail slot, which is convenient to replace. buffer cylinder is specially designed, with high buffer energy, high impact resistance speed and symmetrical layout, which can effectively absorb the remaining energy of the falling hammer  10:With a sample recovery device, the waste sample can be taken out of the equipment machine to avoid the test personnel entering the testing machine to recover the waste sample

11: the drop hammer impact testing machine has a fully, enclosed protective net and which not only improves the work efficiency, but also improves the safety of the test multiple safety protection devices to fully ensure the safety of testers. 

12: intelligent control system can alarm the following faults: sample is not in place, hammer personnel head is not locked, protective device is blocked, hammer head lifting is not in place, etc

Meet the criteria：

1.GB/T 6803《Test Method for Nil-Ductility Transition Temperature of Ferritic Steels by Means of a Drop-Weigh

Test》 2.ASTM E208《Standard Test Method for Conducting Drop-Weight Test to Determine Nil-Ductility Transition Temperature of Ferritic Steels》