QT-JBDW-450C-80 Microcomputer Controlled PendulumTypeLowTemperature Automatic Impact Tester

1. This series of impact testing machine is a kind of machine with high rigidity, microcomputercontrol,automatic temperature control, automatic sample feeding and positioning, automatic measurementand recording. It is the pendulum type low temperature impact testing machine with thehighesttechnical level in China at present.
2. This series of impact testing machines are designed and manufactured according to ISO148:1998,GB/T 3808-2010 “Inspection of pendulum impact testing machines”. It fully meets the requirementsof domestic and international impact test standards for metal materials.
3. This series of impact testing machine has passed the inspection and verification of variousstandardimpact samples at home and abroad, participated in and passed the international comparisontestofimpact test, obtained the CE certification of EU, passed the inspection certification of National Testing Machine Quality Supervision and Inspection Center, and passed the inspectionof ShandongProvince Institute of Metrology.
4. This series of impact testing machine is powerful, stable and reliable, accurate in testingandeasytooperate. It is an ideal test equipment for testing the impact resistance of metal materials underdynamic load and judging the toughness and brittleness of materials.
5. This series of impact testing machine can not only test the impact resistance of metal materialsatnormal temperature and low temperature, but also test the ductile brittle transition temperatureofmaterials.
6. This series impact tester can be widely used in scientific research institutes, testing institutions, colleges and universities, aerospace, military, metallurgy, machinery manufacturing, pressurevessels,ships, vehicles, bridges, wind power and other industries for precision material research, materialanalysis, material development, material selection, process improvement and qualitycontrol.
7. This series impact tester is also one of the fist products produced by our company at present, anditisthe mainstream model sold in the market. Has accumulated production and sales of morethan1000units, after a large number of practical testing and continuous improvement, technologyandprocessmaturity, high reliability, low failure rate, well received by the market and users.

Technical characteristics and advantages:

1. The integral design of the main frame and the base and the integral casting process overcometheweak link at the split connection of the fuselage base, greatly improve the overall rigidityandstability,and improve the stability of the test. The energy absorbed by the body is small, and the measurementresults are closer to the true energy absorbed by the sample. More suitable for high energyimpact;
2. The integrated structure avoids the error of connecting and assembling the frame base of thesplitstructure;
3. The main engine adopts high rigidity design, and each stressed part is analyzed and designedbyfiniteelement method, and processed and tested precisely;
4. The machining center processes the front and rear bearing holes and anvil mounting positionsatonetime to ensure the symmetry of the front and rear bearing holes and the accurate distancefromtheaxis of the pendulum shaft to the striking point;
5. Double-support frame structure, pendulum main shaft adopts simple beamsupport, reasonableloaddistribution, reduce pendulum lateral vibration during impact;
6. The front and rear bearings of the swing shaft are stressed evenly, reducing friction andimpact
damage to the bearings;
7. Imported high-precision bearings, small friction, impact resistance, long life;
8. The pendulum rod is a thick seamless pipe with high rigidity and no deformation, whichreducesenergy absorption.
9. Pendulum circular hammer body 3D software accurate design, accurate center of gravity; circularstructure, effectively reduce the impact of air resistance energy loss;
10. Special material impact blade, high hardness, small deformation, impact resistance;
11. 2mm and 8mm impact blades are configured, and screw compression type impact blades areadoptedto fix the impact blades, which is easy to replace;

12. Special materials and special process processing sample anvil (sample support jaw), ensurethattheedge is firm and round, flat and arc tangent transition, impact resistance and wear resistance;
13. Adopt two-stage reduction motor for hammer lifting power, large torque, no slip, lownoise. Reducermotor imported German technology manufacturing, reliable performance and durability;
14. The electromagnetic clutch produced by imported advanced technology can be absorbedandseparated quickly without slipping.
15. PLC system is used for operation control, which can automatically control the whole test processofswing, hanging swing, impact and swing. The operation is reliable and the electrical failurerateisgreatly reduced.
16. The pendulum is controlled by PLC according to preset angle, accurate positioning, never changing, ensuring constant initial impact energy;
17. Hydraulic buffer mechanism is adopted for pendulum suspension device, so that pendulumsuspension is stable without shaking, and impact and damage to pendulumsuspensionandreleasemechanism are avoided;
18. Electrically driven swing off shock, clean and tidy, to ensure that the initial impact energyandinitialspeed are not affected;
19. After the impact is completed, the pendulum is automatically hung again by using the residual energyto prepare for the next impact and improve the working efficiency.
20. The initial energy level can be adjusted by replacing the pendulum, and the use range canbeexpanded;

21. Cryogenic systems:
(1) cascade compressor and mixed freon refrigeration, refrigeration effect is good, thelowest
temperature can reach-60 ℃. Automatic temperature control, temperature control accuracycanreach ± 0.5℃. Automatic insulation, automatic alarm. Compressor selection of importedbrandmachine;
(2) Low temperature greenhouse adopts special upper and lower electric heating plates andrefrigeration device to form a temperature control system, which can accurately control thelowtemperature through PID adjustment (the temperature can be arbitrarily set within the temperaturerange for control);
(3) Before the start of the test, by heating with a continuous electric heating plate, the watervaporinthe cooling chamber can be dried first to avoid freezing of the sample;
(4) The low temperature room adopts copper sample box with oxidation resistance, fast temperatureconduction and durability;
(5) The cooling chamber can hold up to 20 samples at a time;
(6) Unique design of cold chamber and sample delivery structure, can simultaneouslymeet 10mm,7.5 mm and 5mm three specifications of samples.
(7) Thickened insulation layer is adopted, which is conducive to cooling and insulation, andalsosaves energy;
(8) Cryogenic system shell made of stainless steel, corrosion resistance, beautiful.

22. Samples are sent pneumatically. After the sample is cooled to the set temperature, start thesampledelivery, and the powerful pneumatic sample delivery device quickly delivers the sampleforimpacttesting. Fast and accurate;
23. Sample chamber unique design, sample delivery device thrust, no matter howfrozensamples, canbe smoothly sent out, will not be stuck;
24. Special structure is adopted at the position where the sample passes through, so that thesamplecanmove reliably in the low temperature chamber without clamping the sample;
25. Pneumatic automatic secondary positioning, accurate positioning;
26. The host computer and sample sending system can be operated through microcomputer interfaceortouch screen.
27. By means of high precision photoelectric encoder to accurately measure angle, computer calculatesimpact absorption energy, which greatly improves the measurement accuracy of impact energy.
28. Two energy display modes: dial, LCD screen and microcomputer display, the results canbecomparedwith each other;
29. The software design has automatic calibration function, which can test friction energylossandairresistance energy loss.
30. Configure automatic sample output mechanism. After the impact is completed, accordingtothepresetcriteria, the measurement and control system can automatically judge whether it is qualifiedornot,and automatically select them respectively;
31. Independent electrical control cabinet, strong and weak electricity completely isolated, reduceinterference;
32. With safety pin, safety pin automatically pop up when pendulum rises to preset position, preventpendulum accidental fall and cause accident;
33. The whole machine is equipped with split combination type can be opened fully enclosedprotectivecover, aluminum alloy tempered glass structure, safe, beautiful; set up the access switch, onlyclosethe door to carry out the impact, play a safe role;