Construction Materials and Formworks Supplies Flap Disc, Flower Flap Disc

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Customization: Available
Standard: 16′′
Material: Diamond
Diamond Member Since 2024

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  • Construction Materials and Formworks Supplies Flap Disc, Flower Flap Disc
  • Construction Materials and Formworks Supplies Flap Disc, Flower Flap Disc
  • Construction Materials and Formworks Supplies Flap Disc, Flower Flap Disc
  • Construction Materials and Formworks Supplies Flap Disc, Flower Flap Disc
  • Construction Materials and Formworks Supplies Flap Disc, Flower Flap Disc
  • Construction Materials and Formworks Supplies Flap Disc, Flower Flap Disc
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  • Overview
  • Product Description
  • FAQ
Overview

Basic Info.

Model NO.
flap disc, flower flap disc
Grit
40
Color
Black
Sizi
4 1/2
Arbor Hole
7/8
Brand
Grand Gold Dragon
Max Rpm
13000
Transport Package
Nude
Specification
40grit
Trademark
7H plus / fuwalls / guorui
Origin
Shandong China
HS Code
68042210
Production Capacity
5000

Product Description

Construction Materials and Formworks Supplies Flap Disc, Flower Flap Disc
Construction Materials and Formworks Supplies Flap Disc, Flower Flap Disc
Construction Materials and Formworks Supplies Flap Disc, Flower Flap Disc
 
Construction Materials and Formworks Supplies Flap Disc, Flower Flap Disc
Construction Materials and Formworks Supplies Flap Disc, Flower Flap Disc
 
Product Description

 

What is a flap disc?

A flap disc is an abrasive product found in the coated abrasive family and used on an angle grinder.

The discs are made up of many layered, overlapping sections of abrasive material or 'flaps' (hence the name).

These flaps are formed of a polycotton or polyester backing material to which abrasive grains are adhered, these are then layered and bonded to a backing plate).

The backing plate provides stability to the flap disc and imparts its own unique properties to the product.
 

Conical shaped flap discs

Conical flap discs are the best choice for removing stock in a short space of time.

The conical shape is perfect for working on the edge of the flaps, the small area of contact assists with increasing the grind pressure which in turn improves the material removal rate.

Conical discs are shaped at the perfect angle so the chance of hitting your workpiece and damaging it with the angel grinder M14 hub is also reduced.

 

Flat shaped flap discs

Conversely, when comes to operations that require a lower grinding pressure and more control, you should opt for a flat shaped flap disc.

This is the ideal shape for blending and finishing on flat surfaces and outer edges.

Care must be taken as the M14 grinder hub often protrudes further than the disc, increasing the possibility of hitting your component with it.

Flap Disc Abrasive Grits

Ceramic

Ceramic grains have a unique microcrystalline structure that is highly friable at high pressure and therefore is said to be self-sharpening.

Newly exposed sharp edges are continually exposed to the surface of the workpiece - making ceramic grained abrasives stay sharper and more effective over a long period of time.

As it does the job quicker, the heat build up in the ceramic grain is lower, therefore these abrasives tend to cut at a cooler temperature, which reduces glazing and improves their overall efficiency. X-Treme Pro Flap Discs feature the ceramic grain.

 

Zironia Alumina

Like ceramic, Zirconia Alumina has a self-sharpening characteristic, which gives it a long product life and is great for aggressive heavy grinding of metals such as carbon steel and stainless steel.

Zirconia has a larger crystalline structure and is a very tough grain with a good product life. These features make it an excellent choice for high performance jobs. Norton EasyTrim Trimmable Flap Discs feature the Zirconia Alumina grain.

 
Aluminium Oxide

Generally recommended for grinding steel but it can also be used on some high tensile aluminium and bronze alloys.

Aluminium Oxide is manufactured in varying qualities and is a blocky, friable grain.

The friability of the abrasive depends on the purity and carbon content. 

 

When to use a coarse gritted flap disc:

For rapid stock removal and where the final surface finish does need to be highly refined or where the customer has no regard for the finish and just wants to get the job done fast.

The coarser the grit, generally the quicker material removal rate (depending on the material) but the scratches left behind may be too deep to blend out at a later stage.

This is particularly apparent when comparing finishing processes on carbon steel and stainless steel. The temptation is to always opt for the coarser grains but this can hinder and prolong your finishing options at a later stage.

Coarse grits are also the best choice for soft materials, such as soft steel and aluminium.

When to select a fine gritted flap disc:

Fine grits should be used when a blended and more refined finish is essential to the project. They are typically used at the latter stages of the grinding process to clean up deeper scratches imparted by the coarse grain in stock removal.

Stainless steel for instance usually requires additional surface finishing processes because of the properties that each imparts on the material.

A highly refined finish is primarily used for decorative purposes example or the number 4 finish that is chosen for its anti-fingerprint, anti-bacterial properties in commercial hand rails etc.

After initial stock removal from a coarser grained flap disc or grinding wheel, the scratch would look unsightly on a stainless steel surface.

To blend this out and deliver more refined surfaces, we would use increasingly finer grits. More about this process can be found in our article about weld removal and finishing.

Finer grits are also more effective over smaller areas of contact and better suited to harder and more brittle materials.

 

FAQ

 

1.What is your advantage ?

Great products with competitive and professional service on export business 

2. Can you give warranty of your products ?

Yes, we are sure our quality .If any concern may contact us directly 

3. How could we believe your company ? 

We consider honesty as the core of our company 

4. How is the delivery time ?

Once receive done payment ,within one week will arrange the delivery .

5. What is your payment terms ? 

T/T 30% advance, and balance payment once finish production .
40 grit
4 1/2
max rpm 13000

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