What instruments are required for impact tests

Perform impact tests,Impact testing machineIt is essential, and other things include impact test notch pulling beds, low temperature tanks, and projectioninstrument. Here are some detailed introductions to various instruments:
1. Impact testing machine
The impact tester is used to determine the performance of metal materials to resist impact under dynamic load, so as to judge the material under dynamic load.quality status. This machine is a semi-automatic control test machine, with simple operation and high working efficiency, control of swing, impact and discharge electrical appliances, and can be usedThe remaining energy after the sample is pulsated automatically to prepare for the next test, especially suitable for laboratories that perform continuous impact tests.and metallurgy, machinery manufacturing and other industries that conduct impact tests. Comply with the national standard GB/T3808-2002 "Pencavity Impact Test"Inspection of machine, the metal materials are impregnated according to the national standard GB/T229-2007 "Metal Materials Shabby Pendulum Impact Test Method"Hit test.
Technical Features
a. The main unit of the test machine is a single-support column structure, cantilever hanging pendulum method, and the pendulum hammer body U-shaped;
b. The impact knife is installed and fixed with screws, making it easy to replace;
c. Sample simple-supported beam type support;
d. The host is equipped with a security protection pin and is equipped with a security protection net;
e. The test machine is semi-automatically controlled, and the swing, hanging, impact and release are all electrically controlled, and can be punched out after the sample is brokenThe residual energy of automatic swing is ready for the next test, especially suitable for continuous impact tests and large-scale shock testsMetallurgy, machinery manufacturing and other departments of tests;
f. The test machine complies with the national standard GB/T3803-2002 "Inspection of Pendulum Impact Test Machine", according to the national standard GB/T229-2007 "Metal Charpy Notch Impact Test Method《Impact Test of Metal Materials》.
2. Impact test gap pulling bed
The pristine pull-up bed is driven by a motor screw. It can be equipped with V- or U-shaped broach according to user requirements. The sample notch is processed into one-time.Model, two standard sample notches can be successfully drawn at one time, the broach is precision-processed and manufactured with special materials and special processes, and is hardHigh degree, good wear resistance, long service life, the processed V-shaped notch and U-shaped notch (2mm) can meet the GB229-94 phaseThe national standard is related to the principle of single-brushing and forming, and its processing identity is excellent, which can ensure that the processed samples are missing.Little percent qualified. In short, the burlap bed is a must for the physical and chemical laboratory of metallurgy, boiler pressure vessels, vehicles, engineering machinery manufacturing and scientific research departments.Prepare.
Technical parameters
Processed sample notch type: V type, U type (2mm)
Processed sample size: 10×10×55
Brushing speed: 2.5m/min
Brown knife stroke: 340 mm
3. Low temperature tank
Impact test low-temperature tank is a special auxiliary refrigeration equipment for low-temperature impact test. Use a stacked compression mechanism to cool, chooseImported high-reliability compressor, single-chip microcomputer control, automatic temperature control, automatic timing, automatic alarm, high temperature control accuracy,Fast cooling speed and large volume; digital temperature display, safe and reliable, and easy to operate. Completely meet the national standard GB/T229-2007 "Golden"The various temperature control indicators required for low-temperature devices in the Shabi Pendulum Impact Test Method are metal materials low-temperature impact testsIdeal sample cooling and insulation equipment.
4. Projector
The imager is a special optical instrument designed and developed to accurately check the quality of V- or U-shaped notch processing of impact specimens. Will processThe gap of the good sample is enlarged by 50 times and projected onto the observation screen. Compare with the standard drawing board engraved on the observation screen to make it fasterQuickly determine whether the detected impact sample notch processing is qualified; the comparison is intuitive, simple to operate and high efficiency. It's a physical and chemical laboratoryA must-have special equipment.
Technical parameters
Projection screen 200×200mm
Magnification 50X
Light source 12V 100W (Halotyrene lamp)