1 |
Refrigeration Method |
Composite refrigeration |
2 |
Punch Radius |
1.6 mm ± 0.1 mm |
3 |
Jaw Radius |
4.0 mm ± 0.1 mm |
4 |
Clearance Between Punch & Fixture Centerline |
3.6 mm ± 0.1 mm |
5 |
Gap Between Punch Outside & Fixture |
2.0 mm ± 0.1 mm |
6 |
Impact Stroke |
Greater than 5.0 mm when impacting the sample |
7 |
Impact Speed |
200 ± 20 cm/s |
8 |
Specimen Clamping Capacity |
Type A: 15 pieces per test; Type B: 5 pieces per test; Bulk Type A: 60 pieces per test |
9 |
Impactor A Sample |
– Punch radius: 1.6 ± 0.1 mm – Jaw radius: 4.0 ± 0.1 mm – Gap between punch centerline & fixture: 3.6 ± 0.1 mm – Gap between punch outside & fixture: ≥ 2.0 ± 0.1 mm |
10 |
Impactor B Sample |
– Punch radius: 1.6 ± 0.1 mm – Gap between punch centerline & fixture: 7.87 ± 0.25 mm – Gap between punch outside & fixture: 6.35 ± 0.25 mm |
11 |
Sample Specification (ISO 974:2000) |
Length: 20.00 mm ± 0.25 mm Width: 2.50 mm ± 0.05 mm Thickness: 2.00 mm ± 0.10 mm |
12 |
Test Temperature |
-10°C to -76°C |
13 |
Temperature Accuracy |
± 0.5°C |
14 |
Timing Time |
3 minutes ± 1 second, with sound alarm |
15 |
Distance from Impactor Center to Holder’s Lower End |
112.5 mm |
16 |
Cooling Tank Chamber Dimensions |
180 × 570 × 150 mm (Width × Depth × Height) |
17 |
Power |
1100 W |
18 |
Cooling Bath Volume |
3 L |
19 |
Power Supply |
Three-phase |