IEC 60950-1 Clause 4.2.5 Steel Ball Impact Test Device Drop Weight
Impact Tester
Product Information:
Standard: According to IEC60950-1:2005 clause 4.2.5,
IEC60598-1:2014 clause 4.13.4a, IEC60065:2005 clause 12.1.3 and
figure 8.
Samples and restrictions: Information technology equipment,
lighting.
Application: Conduct drop and impact performance tests on equipment
casings.
Test principle: Free vertical drop or free swing impact sample.
Structure and features: The equipment can perform vertical drop
impact and swing horizontal impact.
Usage environment: Power supply: AC220V±10%/50-60Hz, working
temperature 0-40℃, humidity 30%-90%.
Features:
A steel ball impact test device, also known as a drop weight impact
tester or Charpy impact tester, is a specialized testing apparatus
used to assess the impact resistance and toughness of materials,
particularly metals. It is widely used in industries such as
manufacturing, construction, automotive, and aerospace to evaluate
the performance and durability of materials under impact loading
conditions.
Key components and features of a typical steel ball impact test
device include:
Pendulum: The device consists of a pendulum arm or hammer that
stores potential energy when raised to a certain height. The
pendulum is typically made of a heavy material, such as steel, and
it is designed to deliver a controlled impact force to the test
specimen.
Release Mechanism: A release mechanism is incorporated to enable
controlled and precise release of the pendulum. This mechanism
ensures consistent and repeatable impacts during testing.
Striking Head: The striking head is the part of the device that
makes contact with the test specimen. It typically consists of a
steel ball or a V-notch anvil, depending on the specific test
method being employed. The striking head transfers the impact
energy to the test specimen, inducing fracture or deformation.
Sample Holder: The device includes a sample holder or fixture where
the test specimen is securely mounted. The sample holder ensures
proper alignment and stability during impact, allowing accurate and
repeatable test results.
Energy Measurement System: An energy measurement system is
incorporated to quantify the impact energy delivered to the test
specimen. This system typically includes sensors or load cells to
measure the impact force and calculate the absorbed energy during
the impact event.
Safety Features: Safety considerations are essential in the design
of a steel ball impact test device. Safety measures may include
protective enclosures, interlocks, or shielding to prevent
accidents and ensure the operator's safety during testing.
The steel ball impact test device follows standardized testing
procedures, such as the Charpy or Izod test methods, which specify
the geometry of the test specimen, the dimensions of the striking
head, and the test parameters. These tests involve striking the
specimen with the pendulum, and the impact energy absorbed by the
specimen is measured. The results are typically reported as impact
energy values or as the fracture behavior of the specimen.
It is important to follow the relevant testing standards or
specifications, such as ASTM or ISO, when conducting impact tests
using a steel ball impact test device. These standards provide
specific procedures, parameters, and acceptance criteria for impact
testing based on the intended application or industry requirements.
Technical Parameters:
| Impact steel ball | Φ50.8mm, 535g steel ball |
| Impact method | Vertical drop and swing shock, switchable |
| |
| Drop height | 0.4-1.5m adjustable |
| Impact energy | G=mgH, can achieve the following table J or other required impact
energy 
|
| Lifting method | Electric |
| Clamping method | Electromagnet attraction and release |
