Conical Bending Mandrel Tester
It is laboratory equipment used to bend coated test panels to assess the elasticity over a conical-shaped mandrel, or varnish to cracking, or resistance of coating paint, detachment from metal test panel and elongation. The bending area’s conical shape allows test panel deformation and also examines the coating elasticity range. For tabletop use, the Conical Bending Mandrel Tester is a compact equipment made of enameled steel. The pivoted pressure running roller and Conical Bending Mandrel are made of stainless steel.  The clamping device consists of a cam lever that ensures speedy and complicated changes in the sample.
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The Conical Bending Mandrel Tester is mostly used to test the flexibility and adhesive properties of the coating when these are subjected to bending force. Â
Paints are used for a variety of functions, including ( metal corrosion protection, thermal insulation to reduce the energy consumption of cooling devices, fire-resistant coatings, hiding gaps in a wall) improving the appearance of automobiles and so on. The essential characteristics of good paint are its longevity, durability, and colour fastness. The Conical Bending Mandrel is used to detect the greatest cone diameter at which (flaking and cracking) occur after bending. The paint quality is assessed by bending a metal substrate that has been painted to a certain angle. The tool ( Conical Mandrel tester’s) primary function is to determine the coating’s properties and resistance to cracking from the substrate. This is a typical method for evaluating coating flexibility and adherence when subjected to bending force. The Conical Bending Mandrel Tester is used for the analysis of coating qualities by bending the test material, for example; a coated plate, around a conically formed metal bar.
Conical bending machine design:
A Conical Bending Mandrel Tester consists of the controller, base plate, eccentric sample locking lever, footrest, conical rod, and movement lever that comprise the instrument. The conical rod measures 8 inches long and has a diameter ranging from 3.2 mm to 38.1mm. A 2mm thickness sample can be measured. The tester body is made of mild steel chrome plated. The testing technique is purely manual and easy.
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| Conical Cylinder | Diameter of Conical Cylinder 3.1mm ±0.1mm and 38 mm ±0.1 mm |
| Length of Conical Cylinder | 8 Inch |
| Max Sample Thickness | 0.8 mm |
| Sample Clamp | Hand Operated Lever |
| Conical Cylinder Material | Stainless Steel |
| As per Sample size | 75 mm x 150 mm |
| Measuring Scale | 1 (Inbuilt in Machine) |
| Steel Roller | 1 (Inbuilt in Machine) |
Effective Conical Bending Mandrel is a laboratory apparatus to bend coated test panels over a conical shaped mandrel in
order to assess the elasticity or resistance of a coating paint or varnish to cracking; elongation and / or detachment from
a metal test panel in accordance with ISO 6860 and ASTM D522.• The conical shape of the bending area allows the deformation of the test panel and examination of the elasticity range
of a coating.• Bending mandrel with multiple mandrel size also available on request.
Know About Our Products
Effective Lab India’s Conical Bending Mandrel Tester is designed to assess the flexibility and durability of materials under bending stress. Ideal for industries that require precise material testing, this machine helps evaluate the bending behavior of metal sheets, coatings, and other materials by using a conical mandrel to apply controlled pressure.
Industries such as metal manufacturing, automotive, and material science, where testing of material flexibility and coating durability is crucial, can benefit from this tester.
The tester applies controlled pressure using a conical mandrel to bend materials and evaluate their performance, ensuring accurate and reliable results for quality control.
Yes, the tester is ideal for both research and quality control applications, providing consistent and dependable performance for precise material testing.
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