Conical bending mandrel
Conical bending mandrel
Model ELI- CBM
The Bending Mandrel Test is primarily utilized to assess the flexibility and adhesive qualities of coatings when they undergo bending force.
The Bending Mandrel Test, conducted with a conical mandrel bend tester sheen following ASTM standards, is a crucial assessment used across different industries to evaluate the flexibility and adhesion of coatings when subjected to bending. Understanding this test is essential as it ensures that coated materials work effectively in real-life applications, maintaining their sheen and performance.
The main point of the Bending Mandrel Test is to see how good a coating is at bending without breaking or peeling off. It checks how flexible the coating is and how well it sticks when it’s under pressure.
To conduct the Bending Mandrel Test, simply secure a coated sample in place and utilize a special cylinder-shaped tool to bend it. The process involves closely observing the degree of bending and any damage to the coating, noting down observations for assessment. For precision and consistency in this testing procedure, the fabrication of level operated conical bending machine is often employed.
The design of a conical bending machine
how to bend conical sheet
- The frame provides sturdy support, like a skeleton, to handle bending forces. It’s usually made of tough materials like steel.
- The bending mechanism applies force to create bends. It can use hydraulic cylinders, servo motors, or other power sources.
- The mandrel supports the inside of the tube or pipe to prevent wrinkling or collapsing.
- Rollers guide the work piece for smooth bends, adjustable for different sizes and angles.
- The control system regulates bending with sensors and a user interface, ensuring precision.
- Safety features like emergency stop buttons and guards prevent accidents.
- Tooling, like dies and punches, shapes the workpiece accurately and should be easy to swap out for different jobs.
- The Effective Conical Bending Mandrel is like a lab gadget that bends coated test panels over a cone-shaped tool. It’s all about seeing if the paint or varnish on metal can handle bending without cracking or peeling off, following certain standards.
- The cone shape allows the panel to bend, checking how flexible the coating is.
- And if you need different sizes, you can ask for a bending mandrel that suits your requirements.
| Conical Cylinder | It’s about 3.1mm in diameter at one end and 38mm at the other, with a length of 8 inches. |
| Max Sample Thickness | The thickest material it can handle is 0.8mm. |
| Sample Clamp | You can operate it by hand using a lever. |
| Conical Cylinder Material | It’s made of stainless steel. |
| Sample Size | The machine is designed for samples measuring 75mm by 150mm. |
| Measuring Scale | There’s a built-in measuring scale. |
| Steel Roller | There’s one built-in steel roller. |
| Material/Finish | The machines made of mild steel with a bright chrome finish to resist corrosion. |
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FAQ's
A conical bending mandrel is used to bend coated test panels, assessing the flexibility and durability of coatings, such as paint or varnish, when subjected to bending forces.
The mandrel consists of a conical-shaped tool over which coated test panels are bent. The bending process helps evaluate the resistance of coatings to cracking, stretching, or detachment from the metal substrate.
conical mandrel bend tester ASTM standard such as ISO 6860 and ASTM D522, ensuring a consistent and accurate assessment of coating properties.
Yes, bending mandrels with various sizes are available upon request to accommodate different test panel dimensions and bending requirements.
Using a conical bending mandrel allows for precise evaluation of coating flexibility and adhesion properties, aiding in quality control and product development processes.