impact testing machine

why impact testing is required

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why impact testing is required
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JBS-300B 300J/150J Touch Screen

Digital Pendulum Charpy Impact Strength Testing Machine

1.Application

JBS-300B Digital Display Metal Impact Testing Machine is mainly used to determine the anti-impact capability of ferrous metal materials with high toughness, especially for steel and iron and their alloy, under dynamic load.

This series tester is operated semi-automatically, the pendulum of the machine can be raised or released automatically. Be applicable for continuing testing in different kinds of laboratories and other metallurgy industrial manufactories

2. Standards:

ISO148, EN10045, ASTM E23, GB/T3808-2002 ,GB/T229-2007

3. Main Technical Specifications:

Model	JBS-300B		JBS-500B	JBS-800B
impact energy	150/300J		250/500J	500/800J
The distance between the pendulum shaft and impact point	750mm		800mm	800mm
Impact speed	5.2m/s		5.4 m/s	5.9m/s
Pre-rising angle of the pendulum	150°
Specimen bearer span	40+0.2mm
Round angle of the jaw	R1-1.5mm
Round angle of impact edge	R2-2.5mm,R8±0.05mm
Angle accuracy	0.1°
Standard specimen dimension	10mm×10(7.5/5)mm×55mm
Power supply	3phs, 380V, 50Hz Or 220V,60Hz
Dimensions (mm)	2124 x 600 x 1340	2200 ×650 ×1960			2450 x 1200 x 2455
Net Weight (kg)	450	650			2300

4. Features:

4.1 Pendulum rising, impact, free releasing is realized as automatically by micro control meter or remote control box;

4.2 Safety pin guaranties the impact action, standard protection shell to avoid any accident.

4.3 Pendulum will automatically rising and ready for next impact action after specimen breakout.

4.4 With two pendulums (big and small), LCD touching screen display the energy loss, impact tenacity, rising angle, and test average value, meantime the dial scale show test result as well.

4.5 Built-in micro printer to print test result.

5. Configurations:

5.1 Main unit----------1 set

5.2 Pendulum

JBS-300B	JBS-500B	JBS-800B
150J/300J--2 pcs	250J/500J--2 pcs	500J/800J--2 pcs

5.3 Span specimen plate (L = 40mm)----1 pc

5.5 Specimen centering plate (L = 40mm)(U, V)----1 pc

5.6 Stripping attachment----1 pc

5.7 Internal hexagonal wrench (S=12mm)---1 pc

5.9 Anchor bolts (M16x300mm)---4 pcs

5.10 Impact testing security guards----1 pc

5.11 Touching screen control panel/ PC software

JBS-300B 300J/150J Touch Screen Digital Pendulum Metal Impact Tester

charpy impact test requirements ? if you want to know detail of charpy impact test requirements ,please keep me inform.let me do send more information to you .

why impact testing is required?

The qualitative results of the impact test can be used to determine the ductility of a material. If the material breaks on a flat plane, the fracture was brittle, and if the material breaks with jagged edges or shear lips, then the fracture was ductile. Usually a material does not break in just one way or the other, and thus comparing the jagged to flat surface areas of the fracture will give an estimate of the percentage of ductile and brittle fracture.