Do It Yourself

How To Use a Random Orbital Sander?

Are you too serious about your DIY wooden projects? Then, Random orbit sander is one of the must-have tools in your DIY kit.

You will not find any other tool that would help you in giving the ultimate perfection required for your project. The Random orbit sander, with its simple design and random circular or orbital sanding motions, brings out the best of your every work.

Are you wondering what the big deal is about Random orbital sanders?

Sanding is the last yet essential process in every wooden project. It has a primary role in giving perfection and finish to your wooden crafts. Sanding can be done manually by your hands. But it is a pretty tiring and difficult job when done with hands.

Sanding with a random orbital sander is smooth, fast, and easy. Moreover, the Random orbital sanders ensure only minimum swirl marks are produced. And that enhances the beauty of your craft.

But the high power of Random Orbital sander might make a mess out of your work if not properly used. Therefore, you should essentially know certain things to use the Random orbit sanders right.

So, here we are listing some of the mistakes you should not make while using a Random orbit sander.

Slow Down The Process

The random orbital sanders are actually designed to use in a slow and tedious pattern. That is, in fact, how you can reduce swirl marks on the surface and make your projects look better with a great finish.

So, slow down the process of sanding when you are using a Random orbital sander. Don’t use Random orbital sanders with a speed you are accustomed to sanding by hands or a belt sander.

The ideal speed of sanding by using a Random orbital sander is 10 to 12 seconds per linear foot or an inch by second.

Don’t Press Down Deeply Into The Wood

Don’t put any pressure on the Random orbital sander while sanding any surfaces. The equipment, that is, the Random orbital doesn’t need even a slightest of pressure from your side to do its job. Therefore, don’t even think of bearing down a little.

The sanding paper and the machine itself is enough to give you the desired results. And, the pressure from your side is really unwanted.

In fact, unwanted pressure from your side might bog down the equipment and slow down the process of sanding. And then, you might not get the desired result.

Therefore, don’t ever press down deeply into the wood by putting unwanted pressure on the equipment.

Use a Vacuum to Clean up the Dust Every Time


Using a vacuum cleaner to clean up the dust not only ease your job but improves the efficiency of the random orbital sander as well as help you work faster.

You can also reduce the airborne dust around you by using a industrial grade hoover. The layer of dust between the sanding paper and the wooden surface reduces when you keep suctioning the dust with a vacuum cleaner.

That means grits are now in better contact with the wooden surface and thus, the efficiency is increased.

Don’t Ever Tilt Your Sander

You should, first of all, understand that Random orbital sanders are designed only for making flat surfaces uniformly smooth. So, don’t try to deal with high spots or burn marks with a Random orbital sander.

You can better try hand sanding on high marks or burn marks rather than trying to angle the Random orbital sander.

It would always be better to keep any equipment close to its purpose and function, anything beyond it would damage your work as well as the equipment.

Use a Variety of Grits, But Not All of Them

Sanding grits work as a team. Each progressive grit of a set removes the scratches from the past one. You can use three or four grits in their progressive and don’t think you can make that perfect finish by working upon a single grit.

You essentially don’t have to use up all of the grit paper set. But, use them wisely. Using sand discs in 100, 150, and 220 is a wise option.

Always Finish Your Work With The Sanding by Hand

You will never get that perfect and final finish with Random orbital sanders. You may find some swirls even after you use sander disc 220.

So, we suggest you get that perfect final finish by hand sanding technique after completing the process with a Random orbital sander.

Replace The Discs as Per The Requirements

Don’t overuse or waste sanding discs without using up to its best. however, don’t throw them away the moment you replace it with a new one. You can pile them up somewhere so that you can use them for some small sanding tasks such as sanding curves by hand.

You can understand that the discs need to be changed once the result of sanding becomes poor. So, replace the discs as per the requirements to keep up the quality of your work.

You can excel in your DIY wooden projects with a Random orbital sander beside you. to create wonders with Random orbital sanders, all you need is a little care not to make the above mistakes.

The Random orbital sanders are definitely an essential tool in your DIY kit. You can save a lot of energy and time and make out good results with a Random orbital sander.


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