How to Use a Straight Line Sander?

Straight-line sanders are particularly great for giving even surfaces a smooth finish. It can be used on all kinds of material – wood, glass, metal, or even cardboard. Most skilled workers use them in areas where it’s difficult and repetitive work to do by hand.

The vibrating motion of the straight-line sander is different from all other sanders. Their system works in a bit like a windshield wiper: It moves in a continuous straight line, not a spiraling path like other sanders. As a surface treatment, they are useful when applied before painting or coating. Heavy-duty twin pistons clean both ferrous and nonferrous metals quickly.

The straight-line sander will not slow down with frequent or heavy use. It combines forward and reverse rotation of the sanding and polishing cylinders so that you can sand conveniently. You can quickly sand the large surface of your car with this sander just with in few strokes. For getting more updates keep reading the content to know how to use a straight line sander.

Benefits of Using a Straight Line Sander


It’s guaranteed that any time you use the straight-line sander. There is no right or wrong method to the process, only consistency of results.


This sander’s corded top handle provides complete control over the tool for more consistent results.


Whenever you like, you can modify the speed to match your working flow.


A more buoyant weight and a lighter vibration enhance relaxation when working and enable you to stay put and accomplish tasks more effectively. It works at 3,000 reciprocating strokes per minute.


This uniformity of speed and power gives a perfect glide on wood. Even though it vibrates very strongly, it provides an even sound floor.

The handy rubberized handle helps you do all your sanding in comfort. In addition, this ergonomic handler helps you do your job more productively and decreases hand fatigue.

Operating Process of a Straight Line Sander

Step 1:

Make sure the ventilation to the tool is completely fresh and clear of moisture. If water enters into the sander, it can cause corrosion to the valve of it. Firstly, you need to do is just spread the sandpaper at the even surface of the sander.

Step 2:

It is best to use at least 3/8″ I.D. lines for optimum efficiency. A 2-3/4″ x15-1/2″ sanding pad works well for this sander, along with any board sandpaper.

Step 3:

Then, locking each tooth of the end, crib the sandpaper securely, and changing the grit of the sandpaper gradually from coarser to fine. You can also use PSA paper and stick it directly to the backing pad. Before applying or removing sandpaper, disconnect the air supply from the tool to avoid an accidental start and prevent an injury.

Step 4:

Wire snaps can be applied in both directions and to the longboard, freeing the motor in the middle of the assembly. You can also use PSA paper and stick it directly to the backing pad.

Insert the fourth quarter of the strip so that it goes one-to-and-a-half to three-eighths of an inch into the clip and then re-engage it. As you were going to do, try to get as much excess foil as possible out of the abrasive strip while trying to control the rear end to lower the suspension.

You should place the pressure-sensitive adhesive on the dust-free, high-density foam-facing pad.

Step 5:

Then you can reconnect the air supply and cut the throttle; once it’s been cut, apply the power. The pressure on the trigger determines the speed of the machine. Two-piston design powers the pad up to 3000 strokes per minute, and body design also minimizes vibration while operating the sander. You can also sand in the cross manner with this sander.

Step 6:

Be sure to use two hands when using the sander to prevent injuries. There is one on the rear handle and one on the front.

It’s small and lightweight to enable a quick operation on the handle. However, on the first use, you have to stop and turn the sander off manually when releasing the button. When user caution is not exercised, this will affect your security. However, it might impact the quality of work and productivity.

Related: 44 Creative Sanding Tips You Need to Know

Step 7:

After getting the desired surface texture and smoothness, press the button off, clean the entire area with a vacuum and a wet cloth, and then dry it.

Safety Tips for Using a Straight Line Air Sander

  1. 1

    Using the sound of this tool will damage your hearing. Wearing hearing protection is needed.

  2. 2

    Grinding, sanding, wire, and steel grinding can produce fine particles, so wearing NIOSH approved respirators is essential.

  3. 3

    It vibrates while in operation. There is some evidence that long-term exposure to vibrating machinery can lead to hand, arm, and shoulder pain. Avoid prolonged usage of this tool as it can lead to vulnerability. Protect your hands by wearing protective gloves.

  4. 4

    When this instrument is being used, it generates sparks and flying debris. Always ensure that you are using recognized safety goggles whenever you use this equipment. Personal protective equipment must be worn while you are in the work field.

  5. 5

    If you don’t use this tool correctly, you might severely injure yourself or destroy your lawn. Keep your hands and body away from the sander. Consider using gloves to protect the hands from lacerations and blisters.

  6. 6

    Ensure that the tool is disconnected before doing routine maintenance, making changes, or putting away the sandpaper. This will prevent injury from occurring when the tool is being used.

  7. 7

    Do not stress the machine by making it work faster than it wants to. A new sheet of paper or a bit finer grade of sandpaper can be used to remove material that has been missed if the tool doesn’t work to the desired level of remove ability.

  8. 8

    Use clamps or other methods to secure the job before sanding. The work is physically challenging, but avoid straining your muscles or holding on to it, lest you get hurt.

  9. 9

    The tool must not be stopped down until it has done its work.

  10. 10

    This device is dangerous. Take caution when operating on acute or hyperbolic angles.

Final Words

This is a very good tool for smoothening your car or truck surface before painting. It works very well for flattening long rocks and roughness. The straight-line sander works just like a traditional longboard except that it uses air power for performing the work. In addition, you can quickly remove body fillers and paints from cars, trucks, and other accessories.

The sander works for plastic shims as well. It can effectively remove materials from vast surfaces with minimal surface disruption.

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