HST Low-temperature Automatic Charpy Impact Testing Machine Liquid Nitrogen Cooling HSTJBDS-500D-196

metallic materials. EN 10045-1 -Metallic materials-CHARPY impact test. ASTM E23 (CHARPY) -Standard test method for notched bar
impact testing of metallicmaterials.GOST 9454-78 -Impact bending test method at low, room and high temperatures.
3.Specifications
MODEL | HST JBDS-500D-196 | ||||
Energy display mode | Dial and Touch screen | ||||
Max. impact energy | 300J | ||||
Impact Energy | 250J | 500J | |||
Value Of Every Grid | 2.5J | 5J | |||
Moment Of Pendulum | 133.9746N·m | 267.9492N·m | |||
Distance between pendulum shaft and impact point | 750mm | ||||
Impact speed | 5.4m/s | ||||
Raised angle | 150° | ||||
Standard span | 40+0.2mm | ||||
Round angle of the jaw | R1-1.5mm | ||||
Round angle of impact edge | R2-2.5mm | ||||
Angle accuracy | 0.1° | ||||
Standard specimen dimension | 10×10(7.5/5)×55mm | ||||
Thickness of impact knife | 16mm | ||||
Dip angle of supporting surface of supports | 11°±1° | ||||
Impact edge Angle | 30°±1° | ||||
Impact edge curvature radius | 2mm impact edge | 2-2.5 | |||
8mm impact blade | 8±0.05 | ||||
8mm impact shoulder Angle radius | 0.1-1 | ||||
8mm impact blade width | 4 ±0.05 | ||||
Impact blade width | 10-18mm | ||||
Impact knife thickness | 16mm | ||||
Meet the sample size | 10×10x55 mm | ||||
Refrigeration mode | Liquid nitrogen | ||||
Capacity of sample box | 6 | ||||
Temperature control range | -40℃~~-196℃ (If the temperature drops to -196℃, 99.99% liquid nitrogen is required) | ||||
Constant temperature accuracy | Fluctuation ±1℃, gradient 3℃ | ||||
Angle measurement | photoelectric encoder | ||||
Angle accuracy | 0.1° | ||||
Dial energy resolution | ≥0.5J | ||||
computer screen display energy resolution | 0.01J | ||||
Overall dimensions | 2230 ×1510×1480 mm | ||||
Weight | 600Kg | ||||
Power supply | 3-phase 380V± 10%, 50Hz | ||||


4. Low temperature system:
The low greenhouse uses a special up and down electric heating plate and refrigeration device composed of temperature control system, through PID regulation can accurately control the low temperature (in the temperature range can be arbitrarily set temperature value for control);
▼Before the test starts, the water vapor in the cooling chamber can be dried first by continuous electric heating plate heating to avoid freezing of the sample;
▼The low greenhouse is made of copper sample box with oxidation resistance, fast temperature conduction and durability;
▼The cooling chamber can place up to 20 samples at a time;
▼The uniquely designed cold chamber and sample delivery structure can meet the three specifications of 10mm, 7.5mm and 5mm at the
same time.
▼The use of thickened insulation layer, not only conducive to cooling and insulation, but also save energy;
▼The low-temperature system shell is made of stainless steel, corrosion resistant and beautiful.
4.1 The sample is sent by pneumatic method. After the sample is cooled to the set temperature, the sample is started, and the powerful pneumatic sample delivery device quickly sends the sample for impact test. Fast and accurate;
4.2 The unique design of the sample room, the thrust of the sample sending device is large, no matter how the sample is frozen, it can be sent smoothly and will not get stuck;
4.3 Special structure is adopted at the passage of the sample, so that the sample can act reliably in the low temperature room and does not stick the sample;
4.4 Pneumatic automatic secondary positioning, accurate positioning;
4.5 The action of the main machine and the sample sending system can be operated through the microcomputer interface or the touch screen.
4.6 The measurement accuracy of the impact energy is greatly improved by calculating the impact energy absorbed by computer and measuring Angle accurately with high precision photoelectric encoder.
4.7 Two energy display modes: dial, LCD screen and microcomputer display, the results can be compared with each other;
4.8 The software design has automatic calibration function, which can test the friction energy loss 5.9 The sample automatic output mechanism is configured. After the impact is completed, according to the preset criteria, the measurement and control system can automatically judge whether it is qualified, and automatically pick out;
4.10 Independent electrical control cabinet, strong and weak electricity completely isolated, reduce interference;
4.11 The safety pin is provided, and the safety pin automatically pops out after the pendulum rises to the predetermined position to prevent the pendulum from falling accidentally.
4.12 The whole machine is equipped with split combined type can open fully closed protective cover, aluminum alloy toughened glass structure, safe and beautiful; Set the access control switch, only the door can be closed to impact, play a security role;








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