JB-300W microcomputer controlled impact testing machine (including computer monitor)
JB-300B semi-automatic impact testing machine (excluding computer monitor)
Applicable standard
GB/T3808-2018 "Inspection of pendulum type semi-automatic impact testing machine"
Applicable industries
The JB series is widely used in testing research and production in industries such as metrology, mechanical manufacturing, metallurgy, pressure vessels, and universities.
Main application
It is mainly used for testing black metals with high impact toughness, especially steel and its alloys.
Technical indicators
Impact energy: 300J, 150J
Scale range and division value of dial:
energy range: 0~300J 0~150J
division value per small grid: 1J 0.5J
Pendulum torque:
pendulum impact energy: 300J 150J
pendulum torque: 160.7695N · m 80.3848 N · m
Pre swing angle of pendulum: 150 °
Distance from the impact point of the main spindle center (center of the specimen): 750mm
Impact speed: 5.2m/s
Sample support span: 40mm
Arc radius at the end of the sample support: 1-1.5mm
Tilt angle of sample support surface: 0 °
Impact blade arc radius: 2mm
Impact blade angle: 30 °± 1 °
Impact blade thickness: 16mm
Sample size: 10x10x55mm
Weight of testing machine: approximately 470 Kg
Dimensions of the testing machine: 2124x600x1340mm
Power supply:
three-phase four wire
50Hz 380V
370W (main motor)
Audited Supplier 
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