An abrasive flap disk, also known as a sanding flap disk, is a type of abrasive tool widely used in grinding, polishing, and surface finishing operations. It consists of multiple overlapping abrasive flaps that are assembled onto a central backing plate.
Material if flap disk
Made of plastic or fibre-mesh cover adhesive and emery cloth sheet
Structure of flap disk
- Abrasive Flaps
These are the key components of the flap disk. They are usually made of abrasive materials such as aluminum oxide, zirconia alumina, or silicon carbide. The flaps are cut into specific shapes and sizes. Each flap has an abrasive surface that contacts the workpiece during operation. The abrasive grains on the flaps are bonded using resin or other suitable bonding agents. - Backing Plate
The backing plate provides support for the abrasive flaps. It is usually made of a durable material like plastic or metal. The center of the backing plate has a hole for mounting the disk onto a grinding machine's spindle. The design of the backing plate ensures that the flaps are held firmly in place during high - speed rotation. - Attachment Mechanism
There are various ways to attach the abrasive flaps to the backing plate. Commonly, they are either glued or mechanically fastened. Some flap disks use a combination of both methods to ensure the stability of the flaps during operation.
Application of flap disc
Metalworking Industry
Post - welding Treatment: After welding metal parts, flap discs are used to grind the weld seams. For example, in automobile manufacturing, after welding the vehicle frame, the flap disc can be used to remove the excess welding material and smooth the weld seam, making the frame surface smooth and providing a good surface base for the subsequent painting process.
Deburring and Edge - rounding: Metal parts will produce burrs and sharp edges during cutting, stamping and other processing. The flap disc can effectively remove these burrs and round the sharp edges.
Characteristics of flap disk
In conclusion, flap discs play an important role in many industrial and DIY applications due to their unique functions and characteristics. They offer an efficient and reliable solution for surface preparation and finishing tasks.
Usage Tips:
- Always match the flap disk to the material being worked on.
- Use the appropriate speed and pressure to maximize effectiveness and minimize wear.
- Regularly inspect the disk for wear and replace it as needed to ensure safety and performance.
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180*22mm Good Grinding Performance Abrasive Flap Disk For Surface Polishing Images
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