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Your Leading Flap Disc Supplier

Company Brands

Company with "double horse" and"dark horse", "shun source" "flying wheel" and other brands as the center.

Product Application

The product is widely used in machinery, wood, plastics, electronics, instruments, automobiles, shipbuilding, glass and other fields.

Reasonable Price

Our products are complete in variety, good in quality, reasonable in price.

Best Service

All take the customer as the center, tale the goocfaith as the basic,in order to prefect for the target. Customer satisfactioris our eternal criteria!

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what is Flap Disc

 

 

A flap disc is a circular abrasive tool used to grind, blend, and finish metal and other materials. It's made of many layers of overlapping abrasive flaps bonded to a central hub. As the disc is used, the flaps wear away, exposing fresh abrasive material.

 

 

 

benefits of flap discs

 

1

Versatility:Can be used for grinding, blending, and finishing in a single tool, saving time and effort.

2

Smooth finish: Provides a consistent finish without gouging the surface, ideal for contouring and smoothing

3

Contouring ability: Flexible design allows for easy grinding on curved or uneven surfaces.

4

Reduced vibration: Generates less vibration compared to traditional grinding wheels, improving operator comfort.

5

Less rework: Controlled stock removal minimizes the need for additional finishing steps.

6

Cost-effective: Can last longer than other abrasive discs due to their design and ability to utilize most of the abrasive surface.

7

Wide range of applications: Can be used on various materials like metal, weld seams, rust removal, paint stripping, and more

 

 

Types Of Flap Discs

 

 

 

Blue Zirconium Corundum Flap Discs

 

Zirconia Alumina Flap Discs:These flap discs use a blend of zirconia and alumina grains, which offer a good balance of hardness and toughness. They are suitable for general-purpose applications on metals and other hard materials.

Silicon Carbide Flap Discs:Made with silicon carbide abrasive, these flap discs are ideal for grinding and finishing non-ferrous metals, wood, and plastic materials.

Ceramic Flap Discs:Ceramic flap discs are known for their long life and consistent performance. They are used for heavy stock removal on hard materials like stainless steel.

Abrasives with Coolants:Some flap discs have a built-in coolant system that helps reduce heat during the grinding process, which is beneficial for preventing workpiece damage and extending the life of the disc.

Resin-Bonded Flap Discs:Resin-bonded flap discs are designed for heavy-duty grinding and are known for their durability and fast stock removal.

 

 

Vitrified or Ceramic Bonded Flap Discs:These flap discs have a ceramic or vitrified bond that allows for higher operating speeds and longer life compared to resin-bonded discs.

Flap Discs with Velcro Backing:These discs have a hook-and-loop backing that allows for easy attachment and removal from a backing pad, making them convenient for quick changes.

Non-Woven Flap Discs:Made from non-woven abrasive material, these discs are designed for finishing and polishing applications where a consistent surface finish is required.

Specialty Flap Discs:Some flap discs come with special features like a center hole for dust extraction or a turbo design for increased cutting efficiency.

Type 29 Flap Discs:These are a specific type of flap disc with a particular configuration of flaps that provide an aggressive cut and efficient material removal.

Calcined Aluminum Oxide Flap Discs

 

Applications Of Flap Discs

 

Grinding

Flap discs can be used for heavy grinding tasks, such as removing heavy stock.

01

Blending

 

Flap discs are ideal for surface blending and finishing, creating a smoother surface.

02

Removing paint, rust, and weld seams

 

Flap discs can be used to remove surface imperfections, such as paint, rust, or weld seams.

03

Smoothing rough edges

Flap discs can be used to smooth rough edges on wooden surfaces.

04

Surface preparation

Flap discs can be used to prepare concrete surfaces for sealing, such as removing paint or smoothing rough patches.

05

 

Process Of Flap Discs

 

 

115 mm Flap Disc For Metal

 

 

Backing plate preparation:

A suitable backing plate is chosen based on the intended application, which can be made from materials like fiber or steel.

Abrasive flap selection:

The appropriate abrasive grain is selected depending on the material to be worked on, with common choices like zirconia for harder metals and aluminum oxide for softer materials.

Flap attachment:

The abrasive flaps are glued onto the backing plate, ensuring overlapping layers for consistent cutting action

 

 

Compression:

The assembled flap disc is placed under pressure to compress the flaps and ensure proper adhesion to the backing plate.

Curing process:

The compressed flap disc is typically baked in an oven to fully cure the adhesive and solidify the bond between the flaps and the backing plate.

Quality control:

The finished flap discs are inspected for consistency, balance, and proper attachment of the flaps.

Flap Disc For Metal
 
Maintenance Of Flap Discs

 

Cleaning

Gently brush off debris from the disc after each use; if necessary, use a mild solvent, but ensure it dries completely before storage.

Storage

Keep flap discs in a cool, dry area away from direct sunlight and moisture.

Store them flat or hang them vertically to maintain their shape.

Use a "first-in, first-out" system to use older discs first.

Inspection

Before each use, check for signs of significant wear, torn flaps, uneven wear, or damage.

Replace the disc if it shows any signs of compromise

Usage practices

Alternate between multiple discs when working on large projects to prevent overheating.

Vary the grinding area and angle to ensure even wear on the disc.

 

About us

 

 

page-375-299

 
 

Company Introduction

SHAOXING SHANGYU COATED ABRASIVES CO.,LTD is located inLianghuIndustrial Zone of Shangyu District, Shaoxing City,It's a specializedcoated abrasive industrial company that collects designing, developingproducing and selling into integration.

 


 

fAQS

 

Q: What are the advantages of flap discs?

A: include their versatility, long life, and their ability to provide a consistent finish without gouging or undercutting the workpiece. They can be used on a variety of different tools, including angle grinders, die grinders, and orbital sanders.

Q: What are flap wheels good for?

A: Standard flap wheels, made of aluminum oxide abrasive cloth, provide consistent grinding and finishing action for applications including final metal finishing, deburring, edge blending, cleaning and finishing for painting and plating.

Q: What to use flap discs for?

A: Flap discs are used for grinding, blending, and finishing, as well as removing rust, paint, and weld seams. One of the primary advantages of flap discs is that they provide a consistent finish without gouging the surface. This makes them ideal for contouring and smoothing surfaces.

Q: Can you sand with a flap disc?

A: Both flat & bevel edged flap discs will grind and sand equally well.

Q: Will a flap disc grind metal?

A: Flap discs are great for grinding welds. See how they stack up against other angle grinding products. Watch how 3M™ Cubitron™ II Flap Discs make easy work of metal surface preparation and blending.

Q: What is the difference between a fiber disc and a flap disc?

A: Fiber discs will allow for feathering the area with a soft or medium density back-up pad, at a faster pace. Flap discs are more rigid but leave a nicer finish when compared grit-to-grit to a fiber disc.

Q: What is the best flap disc for sharpening blades?

A: For relatively well-maintained lawn mower blades with minor dullness or nicks, fine grit flap discs in the range of 150 to 180 are the preferred choice. These discs provide a smoother finish and are excellent for honing the blade's edge to a razor-sharp level.

Q: How long should a grinding disk last?

A: You'll usually see an expiry date printed on the centre ring of the disc, formatted in month and year (eg. 03/2022). Smaller or ringless discs may have the date printed on the packaging, disc label or even on the disc itself, and will be a maximum of 3 years from their manufacturing date.

Q: When should you throw away a grinding disc?

A: To avoid spindle contact during grinding, monitor product wear, spindle dimensions, and grit size. Discard the product when it is 3/16 inches from the spindle diameter for 36-grit and coarser products and 1/8 inch for 46-grit and finer products.

Q: Do grinding discs have a shelf life?

A: The reason that cutting and grinding discs have a shelf life is that the resin that is used to bind the disc material together breaks down over time as it absorbs moisture from the atmosphere. This means that an out of date disc could break up during use, with sharp fragments being ejected at a very high speed.

Q: What angle should you grind at?

A: In general, you can sharpen all kitchen knives and all qualities with the stable 20° angle, because it achieves a very good basic sharpness. But, some knives have special steel compositions and qualities that allow them to be sharpened even finer with the 15° angle.

Q: How do you angle grind safely?

A: adopt a comfortable stance with feet apart so you feel well-balanced, and ensure you have a clear view of the job. never use a grinder between your legs while sitting on the floor. stop at regular intervals for a short break to rest your hands and arms. never put a grinder down until the disc stops rotating.

We're well-known as one of the leading flap disc manufacturers and suppliers in China. Please feel free to buy high quality flap disc made in China here from our factory. For customized service, contact us now.

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