In the daily use of sandpaper, if you have the right skills, both can save costs, and can achieve better grinding results, then when use sandpaper to grinding, what are the tips?
1, the key to manual sanding with sandpaper is: When using the current number of sandpaper, you need to make sure that the first sandpaper
Wear away all traces left! Otherwise, the marks left by the first sandpaper are very difficult to complete for the next sandpaper
The task of... Take it easy. You should give it a little more time when you start working with this.
2, a small trick is: the direction of the grinding should be perpendicular to each other, so it is very easy to see the traces of the first sandpaper worn off
Not really. For example, No. 100 is a vertical mill, then No. 400 is a horizontal mill, and No. 1000 becomes a vertical mill again, always replaced
After one size of sandpaper, the direction of friction is perpendicular to the present.
3, it is also recommended that the sandpaper pad in the hand grinding, and do not put the sandpaper on the table grinding, unless you want to grind the plane, or grind the arc
It's better to put your face on your hand. Each size of sandpaper is slightly stronger at the beginning, and is about to be replaced by the next size
Wait to slowly reduce the force. Adding water should be better than not adding water, grinding speed is fast; The sandpaper will break faster after adding water than without adding water
A lot of them.
Having said so much, we can see that for the two technologies of polishing and polishing, it is a maintenance of the material.
To say the difference between the two, or look at the degree of fineness, the fine degree of polishing is higher. No matter which technique is used, polish
And grinding skills need to be mastered.
Coarse sponge sand under 300 mesh (described later) is used to peel, trim, and then use 600 mesh warrior sandpaper,
After peeling, generally good amber, 600 mesh polished, basically can see a roughly, when polishing,
Use the cross grinding method, first horizontal grinding, and then vertical grinding, then the building master will talk about the use of the old sandpaper, with
The old 600 eyes apply a little force on the amber surface and polish it in circles, which helps to polish the amber in the back even more, because the old
The sandpaper, regardless of particle fineness and softness, is better than the new one and can be polished more appropriately. The grinding points should be straight with each other,
It'll be easy to see if the first sandpaper has worn off. For example, No. 100 is vertical, then No. 400 is horizontal
Grinding, 1000 and then change back to vertical grinding, always change the sandpaper of the next number, the direction of friction is the same as the current straight. Another owner
Put a piece of sandpaper on your hand, not on the table, unless you want to sand the surface, otherwise the curved surface is still cushioned
The hand works well. The strength of each number of sandpaper is slightly greater at the beginning of the day, and gradually decreases when the next number is quickly replaced.
Push.
In the polishing process, usually many times in order to prevent chafing and burning the surface of the workpiece, so the use of #1200 and
#1500 Be careful when polishing sandpaper. Horizontal and vertical, with each different type of sandpaper for polishing, should be
Choose two different directions, different viewpoints of polishing. To prevent chafing and burns in the polishing process.
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