Mirka DEROS and Ab Perfect Partners?
Independent Review
by Peter Brett
Sanding is not nearly as much of a chore since the invention of random orbital sanders and longer lasting abrasives. Chuck in a few dust control and collection regulations, some new materials to be sanded and what the various manufacturers’ R and D teams come up with can be truly amazing. I was impressed with the Mirka CEROS sander I tested a few years ago, so I looked forward to trying out the Mirka DEROS to see how far things had come.
For instance, the DEROS has an integrated
vibration sensor that can be connected via Bluetooth and the myMirka App (downloadable via Google Play and the Apple app store) that monitors the exposure to vibration of its user. Sanding machines rely on a vibratory movement in order to work, so it is clear that users will be subject to some hand arm vibration. Most users stop sanding when their fingers tingle – but this is not a safe indicator – so a vibration monitor that gives accurate timings is going to be a good deal safer.
The other thing that is obvious is that the
DEROS – Direct Electric Random Orbital Sander The Mirka DEROS
5650CV 125/150 Orbit 5.0 Case UK – its full title – arrived in a bright yellow custom fitted sustainer case. It all felt a bit lightweight for an industrially rated sander – but fear not, the lightness is very much a virtue, and by no means a reflection of the performance of the tool. It was also accompanied by a variety of net sanding discs so that I could compare the performance of the machine and discs in various sanding applications. The DEROS is a well specified and
thoroughly modern sander – and its price reflects this. But it is also very well made, versatile enough to fit into a large number of work scenarios, both on site and in the workshop, and it reflects most of the current developments in sanding technology. So once again it is a case that you get what you pay for. A Brief Run Down of Specs •Integrated vibration sensor •5mm oscillation •Powerful brushless motor •Constant speed electronics •Built-in motor brake •Soft start •Motor speed control lever •Improved dust collection backing •Left or right handed use – or two handed use •Lightest machine on the market •General or specialised sanding •125 or 150mm sanding pad options •Performance comparable to a standard 500w electric ROS Anyone who appreciates sanders will look at the above list and immediately get
the point that the DEROS is a cut above. But there are a couple of features that caught my eye as significantly important to follow up on.
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DEROS is actually so compact and light that it is simply easier to handle and manipulate when sanding. The on/off switch is inset into the body and the operator simply pushes down the lever on top of the body to start sanding. This lever invites left or right handed use and when it is released the sander stops very quickly due to the motor brake. It is very easy to get used to the ease and sophistication of this sander and it will make you think about how other random orbital sanders work. The Abrasives? Mirka is well known
for its development of net based abrasives. These have the advantage of not having to have holes pierced into the sanding discs in order to
To see a video demonstration with this review, scan the QR code which will take you through to the ToolBUSINESS+HIRE website.
allow the collection of dust. The hook and loop backing is efficient enough to give a good grip on the sanding pad as well as allowing dust to be vacuumed clear. I was given three types of abrasives to compare – Abranet, Abranet Ace and
Abranet Ace HD – but users have an excellent choice depending on what they are sanding. I have used simple Abranet discs a lot, even on my other random orbital sanders and I have always managed to get an excellent and, more to the point, quick finish on my work. An easy task it would seem, since I mostly sand wood and
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