1. brief introductions
The WTB-60 computerized cupping and earing tester is designed to perform cupping tests and earing tests for sheet and strip metal materials according to test method ISO 20482metallic materials— sheet and strip— Erichsen cupping testand ISO 11531metallic materials— sheet and strip— earing test.
2. specifications
| No. | Item | Spec |
| 1 | Test specimen thickness | 0.095-3mm |
| 2 | Stroke of punch | 40mm |
| 3 | Max. punching force | 60kN |
| 4 | Max. clamp force | 10kN |
| 5 | Resolution of cupping index | 0.0025mm |
| 6 | Test attachment for cupping test (for test piece with width or diameter more than 60mm) | See table 1 |
| 7 | Test attachment for earing test | See table 2 |
| 8 | Test speed | 5-20mm/min |
| 9 | Auto stop functions | Yes |
| 10 | Hydraulic oil | N46 hydraulic oil (prepared by client) |
| 11 | Dimension | 780x760x1450mm |
| 12 | Voltage | AC380V, 50Hz |
| 13 | Weight | 420kg |