He spent days sanding cherry test boards and poplar test boards and inspecting their surfaces rating the sanders for how quickly they removed stock how well the on board dust collection worked how well dust collection worked when. I ve never heard a finish ros being described as aggresive before but there are ross out there with a 5mm orbit which are designed for finish removal.
This allows the tool to be used without concern for grain direction.
Finish sander vs random orbit sander fine woodworking. Because both sanders are light and easy to handle there is a tendency to round over the edges. Barry dima took one for the team when he set out to field test 11 random orbit sanders to see which are the best of the current crop of 5 in. That is the angle of rotation of the head and disk is variable.
How to use a random orbital sander. This tool is different from a standard belt sander in that the random orbit sanding pattern is produced by simultaneously spinning the sanding disk and moving it. The random orbit sander s oscillations as it spins do not create a distinct pattern.
For speed the best way to get into a corner is the fein triangle sander it isn t an orbital at all the abrasive describes a 3 degree arc so it leaves almost no marks. A palm sander also called a finish sander may have a similar action to a random orbital sander but it is much smaller and only used for finishing. Orbital finishing sanders use either a quarter third or half of a full 9×11 sandpaper sheet and random orbit sanders take either 5 or 6 diameter discs.
Depending on the sandpaper chosen it can be used for rapid material removal or fine finishing. When both tools are outfitted with 100 grit paper the random orbit sander removes more material than the orbital sander. A random orbital sander is a medium size general purpose sander.
Both styles of sander smooth and occasionally flatten wood in preparation for a stain or other finish and you can easily control these smaller affordable tools with just one hand. Makita 18v random orbit sander when electrical outlets are scarce or when you need free range of motion to complete your project the variable speed makita 18v random orbit sander. So if you are planning on using your orbital sander for small projects primarily like sanding small furniture or small parts of drywall then you should consider getting a palm grip orbital sander.
Random orbit sanders are hand held power tools for sanding in which the sanding blade delivers a random orbit action. But if you study the chart you ll see the festool sander has the smallest orbit diameter and it is the least aggressive in the group. The palm grip random orbital sander is the most widely sander for woodworking and finishing.
Leaving the sander in one place may cause an uneven finish. According to festool product manager rick bush festool designed the ets 125 sander to be a finish sander a sander for smoothing a surface beyond 180 or 220 grit sanding. When working with a random orbital sander keep the sander moving with the grain of the material.