IEC 60068-2-75 Affordable IK07-11 Manual Release Vertical Impact Hammers
Manual Release Vertical Impact Hammers
1. Introduction
The vertical impact hammer is designed according to IEC60068-2-75 test Ehc, the hammer consists by a striking element which falls freely from rest through a vertical height on to the specimen surface held in a horizontal plane, and the fall of the striking element shall be along a guideway, the guideway shall not rest on the specimen and the striking element shall be free of the guideway on the striking the specimen, the mass of striking element is equal to equivalent mass. 2J striking element equip with Φ40mm*471mm guideway, 5J striking element equip with Φ68mm*385mm guideway, 10J striking element equip with Φ89mm*337mm guideway, 20J striking element equip with Φ108mm*520mm guideway, 50J striking element equip with Φ129mm*650mm guideway.
2. Parameter
Impact hammers | 0.5kg, 1.7kg, 5kg, 5kg and 10kg steel hammers for IK07 to IK20 vertical impact testing |
Impact energy | 2J, 5J, 10J, 20J, 50J |
Size of guideway (diameter *height) | Φ40mm*471mm, Φ68mm*385mm, Φ89mm*337mm, Φ108mm*520mm, Φ129mm*650mm |
Release mode | Manual release |
*height of guideway=fall height+( I+f in hammer)
3. Characteristics of Striking Elements
Characteristics 0f Striking Elements | |||||
Energy/J
| 2 ±5% | 5 ±5% | 10 ±5% | 20 ±5% | 50 ±5% |
Equivalent mass±2%kg | 0.5 | 1.7 | 5 | 5 | 10 |
Material | steel | ||||
R/mm | 25 | 25 | 50 | 50 | 50 |
D/mm | 35 | 60 | 80 | 100 | 125 |
f/mm | 7 | 10 | 20 | 20 | 25 |
r/mm | - | 6 | - | 10 | 17 |
l/mm | 64 | 75 | 117 | 100 | 125 |
| |||||
4. Height of fall
Fall Height | |||||||||||||||
Energy/J | 0.14 | 0.2 | (0.3) | 0.35 | (0.4) | 0.5 | 0.7 | 1 | 2 | 5 | 10 | 20 | 50 | ||
Equivalent mass/kg | 0.25 | (0.2) | 0.25 | (0.2) | 0.25 | (0.2) | (0.2) | 0.25 | 0.25 | 0 .25 | 0.5 | 1.7 | 5 | 5 | 10 |
Fall height±1%mm | 56 | (100) | 80 | (150) | 140 | (200) | (250) | 200 | 280 | 400 | 400 | 300 | 200 | 400 | 500 |
5. Degrees of protection against external mechanical impacts
IK01 | IK02 | IK03 | IK04 | IK05 | IK06 | IK07 | IK08 | IK09 | IK10 |
0.14J | 0.2J | 0.35J | 0.5J | 0.7J | 1J | 2J | 5J | 10J | 20J |
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