HST JBS-50 50J Digital Display Metal Impact Testing Machine 50J Charpy Impact Testing Machine Metal Impact Testing Machine
GB/T 3808-2018 Test of pendulum impact testing machine.
GB/T 229-2020 Metallic materials Charpy pendulum impact test method test.
GB/T 1817-2017 Test method for impact toughness of cemented carbide at room temperature.
GB/T 18658-2002 Charpy V-notch standard specimen for testing of pendulum impact testing machines
3.Important technical parameters
MODEL |
HST JBS-50 |
|
Impact energy(J) |
50 |
|
Pendulum moment(N·M) |
26.79492 |
|
This machine comes standard with 1 set of pendulum (including 2 energy levels) |
||
Impact speed(m/s) |
3.8 |
|
pendulum pre-lifting Angle |
150° |
|
The span of the sample support(mm) |
30-40mm adjustable |
|
Support pliers rounded Angle(mm) |
R1.0~1.5 |
|
Impact blade rounded Angle(mm) |
R2.0~2.5 |
|
Pendulum center to impact point distance(mm) |
395 |
|
Standard sample size |
10*10*55/5*5*50mm |
|
Digital display resolution |
Angle: 0.01° |
|
Energy: 0.001J |
||
Power supply |
AC220V±10% 50Hz |
|
Structure and performance:
The testing machine is composed of fuselage, impact pendulum, sample support, measuring device, control mechanism and other parts
1. Fuselage: composed of a beam, Angle positioning mechanism and level.
2, impact pendulum: by an upper connecting sleeve, pendulum rod, pendulum, positioning block, impact blade, etc.
The pendulum energy consists of one main pendulum and four counterweight weights. One main pendulum is 25J. There are 4 pieces of 50J counterweight (users can choose according to their needs).
3. Sample support: composed of clamp support, clamp mouth and press block
4. Control mechanism: manual lifting hammer hanging pendulum, composed of manual and electric impact release mechanism. The mechanism is to fix the impact pendulum at a position of 150° and impact with an electric drop hammer.
5, measuring device: composed of a digital display acquisition system. The energy consumed by the sample after impact and the impact strength are shown.
6. The impact energy is calculated according to the following formula:
E=Pd (cosβ-cosα)
Where: Pd -- impact white moment (constant)
α -- measured value of pre-lifting Angle of impact pendulum (constant)
Beta -- Angle of rise after impact
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