Le test de mandrin conique
Article No. 5751
Mandrin de pliage conique
Le test de pliage pour la définition du plus petit diamètre de courbure
- Des plaques d’aluminium d’une largeur maximale de 20.3 cm (8 inches) et d’une épaisseur maximale de 1.6 mm (0.063 inches) peuvent être testées.
- Les plaques d’acier d’une largeur maximale de 20.3 cm (8 inches) et d’une épaisseur maximale de 0.8 mm (0.031 inches) peuvent être testées.
- Mandrin en acier inoxydable robuste et durable
- Règle intégrée pour mesure le point de rupture
- En conformité avec la méthode A avec ASTM D522
Features
The conical mandrel bender is a popular design to test coating flexibility.
- Precision cut conical mandrel for accurate results
- Built-in ruler for convenient measurement
- Special sample holder plate design to prevent panel slippage
- Economically price
- Compliant with ASTM and ISO methods
- Durable design for long term use
Technical Attributes
-
- Weight
- 4.1 kg
-
- Weight
- 9 lb
-
- Dimensions: L x W x H
- 51 x 15 x 18 cm
-
- Dimensions: L x W x H
- 20 x 6 x 7 in
General
Standards
Procedure
- Carefully cover test panel with paper between mandrel and draw bar, and clamp the panel
- Fold the test panel around the cone by using the manually operated arm that is pivoted at the ends of the axis of the cone
- Bend uniformly at 180 degrees within 15 seconds
- Remove panel and examine the coating for cracks
- Mark the point at which the cracking stops and measure the distance from the farthest end of the crack to the small end of the mandrel
- Appropriate calibration curves also permit determination of the elongation values of the paint film
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