300J, 500J JB-300. JB-500 Semi-automatic Impact Testing Machine UNITEDTEST0 pages

Dial Display Semi-automatic Impact Testing Machine

Introduction
JB-B series dial display semi-automatic impact tester 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.
It is designed and developed according to standard of
ISO148, ASTM E23.

Features
★
★
★
★

Pendulum rising, impact, free releasing is realized as automatically by remote control box;
Safety pin guaranties the impact action, standard protection shell to avoid any accident.
Pendulum will automatically rising and ready for next impact action after specimen breakout.
With two pendulums (big and small) and corresponding two Dial scales to read test result.

Specification
Model

JB-300B

Display mode
Impact energy

JB-500B
Dial scale display

300J/150J

500J/250J

Distance between pendulum center
to impact point

750mm

800mm

Impact velocity

5.2m/s

5.4m/s

Pendulum preparing angle

150º

Span of specimen seat

40+0.2mm

Round angle radius of Grips

R1-1.5mm

Round angle radius of striking edge

R2-2.5mm, R8±0.08mm

Angle of impact knife

30°

Specimen size

10 (7.5, 5, 2.5)mm*10mm*55mm

Power supply

3 phases 4 lines, 50Hz, 380V

Weight

More details, please contact sales person for detail quotation!

550Kg

1

750Kg

www.unitedtest.com