Crown HP/ Applications of coated abrasive cloth and paper

Nagatsuka Abrasive Mfg. Co., Ltd./ Crown Brand Coated Abrasives and Brush Rolls
         
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Flap wheel





"CROWN" flap wheels and disks are the best choice when you need an abrasive tool that is durable and long-life,even when used for heavy grinding. stock sizes: 4"outer dia x 16mm core. Compared to rigid abrasive wheel, disk and grinding stone, flap wheels are suitable for curved sample due to its flexibility.
"CROWN flap wheel" performance is tested in a variety of high stress environments to ensure that strength and reliability standards are met or exceeded for every "Crown wheel".

Item G type flap wheel G type flap wheel
Abrasive media Alumina
Substrate Cloth X
Adhesive R(Resin)
Grit number 60-80-100-120-150
-180-240-320-400
Feature Flap wheel is made of small flaps(coated abrasive sheets), which bonded to a central part (rim).
It can keep suitable grinding performance and finishing quality for long-time. It suitable for 3-dimensional shape such as curved samples due to its flexibility.
Application

Removing scraches and scales on various metals. Finishing for pipes, rims of bike, pre-grinding for coatings and paitings. Hair line finishing.


Item H type flap wheel H type flap wheel
Abrasive media Alumina
Substrate Cloth X
Adhesive R(Resin)
Grit number 40-50-60-80-100-120-150
-180-240-320-400-500-600
Feature Flap wheel is made of small flaps(coated abrasive sheets), which bonded to a central part.
Widely used compared with G type flap wheel. H type also can be used for wet-grinding.
Application

Removing scraches and scales on various metals. Finishing for pipes, rims of bike, pre-grinding for coatings and paitings. Hair line finishing.


Item Flap wheel with shaft
Abrasive media Alumina
Substrate Cloth X
Adhesive R(resin)
Grit number 40-60-80-100-120
-180-240
Feature Flap wheel with shaft is attached to air- and electric-grinding tool. It is suitable for grinding precision parts, 3 dimensional shape such as curves and the inner of pipe, and removing burr.
Application

Removing the stain, scale, burr of metals.
Finishing, grinding the inner of pipe, 3 dimensional curves, pre-grinding for coatings and paitings.



Flap disk (Offset type flap wheel)


Item Flap disk
(Offset type flap wheel)
Abrasive media Alumina, Zirconia
Substrate Fiber
Adhesive R(Resin)
Grit number 40-60-80-100-120-150
-180-220-240-320-400
Feature Abrasive sheets are diagonally mounted on fiber substrates.
It suitable for 3-dimensional shape such as curved samples due to its flexibility. It prevent the generation of thermal strain and oxidation when grinding material due to the air cooling effect. It often used by an angle grinder.
Application

Removing the scale, stain, welding bead and burr.



Abrasive fiber disk


Item C disk
Size
Type
(inch)
Outer dia.
(mm)
Arbor hole
(mm)
4 100 15.9
5 125 15.9
6 150 22.2
7 180 22.2
Abrasive media C(Silicon carbide)
Substrate Fiber
Adhesive R/R(Resin)
Grit number 12-14-16-20-24
-30-36-40-50-60
-80-100-120
Feature As the tough vulcanized fibers are used for backing substrate to prevent its breakage failure, our disk are highly safety.
In addition, the adhesive resin with the superior thermal resistance is used for bonding the abrasive grits and fibers, our disks promise the excellent heat resistance, grinding performance, and long-life.
Application Grinding at shipbuilding, bridgework, building industry, automobile industry etc...
Target meterials: metals, glasses, cement etc...

Nagatsuka Abrasive Mfg. Co., Ltd.
Address: 1-5-37 Rokumanji-cho, Higashiosaka-city, Osaka, 579-8061, Japan
TEL: +81-729-82-3001
ISO9001:2008 ISO14001:2008
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Nagatsuka Abrasive Mfg. Co., Ltd.