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Thread: Jet Drum Sander
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13th August 2020, 08:58 PM #31SENIOR MEMBER
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my current sander is a 20 year old SCM RRCS 1100
12961542_10153776263658813_6739605181023969127_n (1).jpgSCM L'Invincibile si X, SCM L'Invincibile S7, SCM TI 145EP, SCM Sandya Win 630, Masterwood OMB1V, Meber 600, Delta RJ42, Nederman S750, Chicago Pneumatics CPRS10500, Ceccato CDX12
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13th August 2020 08:58 PM # ADSGoogle Adsense Advertisement
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21st December 2020, 01:44 PM #32Member
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I’ve been thinking about a twin drum sander like the Carbatec, I assume the 635? At around 3 grand they are expensive, but for mine the difference in these compared to what they offer for $2000, in a single drum open ended machine, is worth the difference. There is a Sherwood 26” at Timbecon for $2699 and a Hare and Forbes priced similarly to the Carbatec. All appear to be similar and I imagine pretty effective as an in between thicknesser, orbital sander stage machine.
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21st December 2020, 10:09 PM #33Senior Member
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I have been following the thread and experimenting in the workshop.
It seems that there are two factors.
1. The amount that is being taken off at any one time and
2. The coarseness of the grit in the belt in use.
My timber of choice is Tasmanian Blackwood and the only combination I can get to work acceptably is using an 80 grit belt and with a very thin contact (0.5mm) with the surface.
To use a belt of upwards of 80 grit such as 120 is hopeless and always results in a burned belt and timber.
I'll keep using the machine but it does not do what I bought it for. If I see an old dual drum machine for sale I could be very tempted to give that a go.
Onwards and Upwards.Jim Grant
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21st December 2020, 10:17 PM #34Taking a break
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Blackwood is a bit of a pain with wide belt/drum sanders in general because it's quite stringy and will clog the paper.
If by "very thin contact (0.5mm) with the surface" you mean 0.5mm depth of cut, that is never going to work. The most you should be taking is 0.3 mm per pass, but with finer grits you need to reduce that to 0.1-0.2 mm per pass. It's a sander, not a thicknesser.
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22nd December 2020, 12:33 PM #35Senior Member
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The Saga Continues
This morning I once again went to use the Drum Sander to sand two panels for the sides of a cabinet. They are 800mm long and 400mm wide. Following the good advice of you all I approached it by taking feather-like passes with a new 80 grit paper roll. All went well for the first panel then on the second after two passes, again very light ones. there was a flapping noise from inside the drum housing and on inspection I found that the retaining clip on the right side of the belt had broken.
Is there anything else that can go wrong with this machine I ask? I guess the only way to get it fixed is a 350km journey to Melbourne to drop it at the suppliers.
I am not a happy woodworker.Jim Grant
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23rd December 2020, 06:20 PM #36SENIOR MEMBER
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To me, the only way you can reduce the heat generated is by increasing the length of the sand belt or take 0.1-0.2mm with each pass with the drum sander.
even with my sander which the sand belt is roughly 1900mm long, I still get a lot of heat after 0.3-0.4mm of stock removal on a full 1100m wide panel.
If you dont want to spend big money on a 3 phase monster sander and the infrastructure, you can try a stroke sander, if you know what you are doing it will work beautifully.SCM L'Invincibile si X, SCM L'Invincibile S7, SCM TI 145EP, SCM Sandya Win 630, Masterwood OMB1V, Meber 600, Delta RJ42, Nederman S750, Chicago Pneumatics CPRS10500, Ceccato CDX12
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23rd December 2020, 06:22 PM #37Taking a break
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23rd December 2020, 08:09 PM #38SENIOR MEMBER
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There are other sanders on the market which will perform much better than the drum sander, such as these sanders by Houfek, a Czech company that specialises in sanders - I almost bought their edge sander.
They make all sort of sanders, the most economical sanders they make comes in 430 or 630mm wide.
Širokopasova bruska Pony 630 | HOUFEK a.s.
pony-1-fixed-2.jpg
the cheapest version, the 430mm is about 5000 Euro, 630 is about 6000 Euro. think the smallest they come in is 3 phase 4kw, but if you indent surely they can make single phase for you.SCM L'Invincibile si X, SCM L'Invincibile S7, SCM TI 145EP, SCM Sandya Win 630, Masterwood OMB1V, Meber 600, Delta RJ42, Nederman S750, Chicago Pneumatics CPRS10500, Ceccato CDX12
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