Cylindrical Mandrel Bending Tester Model 266 S
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This Model 266 S cylindrical mandrel bending tester from Erichsen is a compact and robust lever-based device made of painted steel. It has easily replaceable cylindrical (in the low diameters 2, 3 and 4 mm reinforced) 14 VA mandrels (diameter: 2 – 32 mm). The three swivel pressure rollers (which are parallel to the cylinder axis) are made of rigid PVC. This device is delivered in a plastic case. The mandrel and the counter-roller, which can be swiveled parallel to the cone surface, are made of stainless steel. The clamping device equipped with an eccentric lever enables the samples to be swapped quickly and easily.
Purpose and application
This test is commonly used testing method for assessing the flexibility and the adhesive properties of coatings when these are subjected to bending stresses. Model 266 S, complies with the standards EN ISO 1519, EN 13523-7 and ASTM D 522.
Product Specifications
Cylindrical Mandrel Bending Tester, Model 266 S, incl. 14 mandrels, supplied in a sturdy plastic case| Instrument | Model | Test Principle | Specimen thickness | Max. specimen width | Range of mandrels |
|---|---|---|---|---|---|
| Test system for Cylindrical Mandrel Bend testing | 266S | Testing with the cylindrical mandrel bending tester determines the greatest cylinder diameter at which a coating will still show cracking or flaking subsequent to bending. | 0.3 or 1 mm (1 mm sheet should only be tested on Ø > 5 mm mandrels) | 100 mm | 2, 3, 4, 5, 6, 8, 10, 12, 13, 16, 19, 20, 25, 32 mm |
