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-   55. Dust Management (http://www.mechmate.com/forums/forumdisplay.php?f=74)
-   -   Cyclone build (http://www.mechmate.com/forums/showthread.php?t=1012)

javeria Wed 01 October 2008 11:22

Cyclone build
 
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folk I decided that I would finally build my own cylone, I decided to do the bill pentz design and followed the build shown in the below link

http://www.ablett.jp/workshop/cyclone2.htm

some of the flanges I have done for the cyclone.

Next week I will get some 22 gauge GI sheet to make the cylinder

BTW I am using a 2HP 2800 RPM motor and a 14inch dia impeller from the bill pentz site (I have asked vishnu to laser cut the impeller parts :) )

Thats it folks thanks.

RGDS
irfan

vishnu Wed 01 October 2008 11:47

Hi Irfu,

Thats really nice. Working on the Impeller and want to see them in One piece before i start them. Nowadays i think you working a lot buddy. I think you can have 2 inlets so you can use them paralley when you finish your Mechmate build.

Vishnu

Discussion on blower impellers moved to own thread
http://www.mechmate.com/forums/showthread.php?t=1013

Robert M Wed 01 October 2008 11:50

Irfan, Thanks for sharing this built of your, surly some will appreciate seeing more of your steps, Robert ;)

Doug_Ford Wed 01 October 2008 20:04

That's great Irfan. I wanted to build one too but there was so much info on Pentz's site, I couldn't plow through it all. I finally gave up and just ordered one from Clearvue. I applaud you.

javeria Thu 02 October 2008 00:07

Folk's thanks for the thumbs up,

The cyclone I am building is a 18 inch dia one.

Today we are celebrating Eid, so work will start next on Monday and meanwhile I am finalizing BOM for my Mechmate and me and Vishnu have finished finalizing the electrical BOM.

RGDS
Irfan

Allegheny Sat 11 October 2008 04:28

Irfan,

Here is a thread - with many photos - from a woodworking chatboard on how to build a Pentz cyclone:

http://www.sawmillcreek.org/showthread.php?t=81021

Brian

javeria Sat 28 February 2009 21:49

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hi folks a few updates - was able to get a guy who worked on teh AC ducting - forced him to do the job :)

I have to now get my motor and impeller - :)

actually I did not take the picture of the cone below

RGDS
IRfan

javeria Sun 08 March 2009 05:12

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a minor updated picture

javeria Tue 31 March 2009 01:30

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cyclone mounted on to the wall

sailfl Tue 31 March 2009 02:07

Irfan,

I like you cyclon build.

javeria Tue 31 March 2009 03:56

thankyou nils - if you observe - i got the intake on the wrong side :( (if compared to bill pentz design) the guy who made me this screwed up!

anywayz I just had to reverse the direction of fins for the impeller and the motor. simple fix.

I got a 3hp 3 phase motor new for USD 120, now to get the impeller welded and balanced.

RGDS
IRfan

Allegheny Tue 31 March 2009 04:48

Following Irfan's last post about the "wrong-handed" construction of his cyclone, it occurred to me that cyclones in the southern hemisphere should be constructed for reverse air flow. Anyone remember the G.G. Coriolis Effect from physics class ( http://en.wikipedia.org/wiki/Coriolis_effect )? While I doubt it makes much actual difference, the air flow should flow clockwise (when looked at from above) in the northern hemisphere and counter-clockwise in the southern (just like water going down the drain).

Brian

Gerald D Tue 31 March 2009 05:31

For the induced cyclone, Uncle Coriolis will have no noticeable effect. :)

Where Coriolis does affect us woodworkers, is in the twisting of planks when they dry out. Equatorial timber doesn't twist as it dries, but our average sawn timber twists opposite to yours in the northern hemisphere. :D

javeria Fri 03 April 2009 00:58

motor mount frame -
 
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here is my motor mount frame - where you see the bolting will also have rubber bushes. It will be mounted on the wall vertically.

any comments and suggestions are welcome -

also how to wire the starter - can anyone help me here by drawing a sketch on the starter picture.

A 6 A MCB is not shown.

RGDS
IRfan

javeria Mon 20 April 2009 05:08

Folks I need some help - I was originally intending to mount the blower vertical - but now considering the weight of the impeller with center hub being around 10 Kilograms - and mounted direct on the motor shaft - I am sort of afraid the impeller may come out of the shaft -? while running -

do you folks think I can still mount it vertical as in Bill's design - else will just mount it with the motor in horizontal position..

any inputs are welcome.

RGDS
IRfan

Gerald D Mon 20 April 2009 05:36

How did you plan on attaching the impeller to the shaft? A grubscrew would not be enough. "Taperlocks" would be good. If your motor shaft has a center thread, this can be used for a safety washer to prevent it from falling off.

Watch out for an excessively heavy impeller - it puts a high starting current on the motor for a long time and your circuit breaker may trip.

MattyZee Mon 20 April 2009 05:48

Irfan, Can you use a pulley drive and mount the impeller its own shaft with bearings to take the load?

Gerald D Mon 20 April 2009 06:06

A 10kg (22 lbs) axial load is not worth worrying about. . . . . . . unless it falls off.

javeria Mon 20 April 2009 07:28

Yes G' my motor shaft has a center bolt with 8x8mm key to drive - if the load is heavy then I will go with star delta - one of my electrical colleagues promised me to design a start delta using 3 contactors, a load relay and one timer.

the MCB I have is a 6 AMPS one.

I will mount it vertical - lets see what happens :)

RGDS
IRfan

HomeMadeCnc Mon 20 April 2009 19:18

I built the same machine, you'll be happy with your results, I am.

javeria Mon 20 April 2009 23:46

Tim - can you share pictures of blower mounting and motor mounts.

javeria Sat 27 June 2009 07:38

Received The Impeller
 
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Folks I received the impeller a couple of days back - its dynamically balanced @ 4K rpm, now to get teh casing done and mount it up!

RGDS
Irfan

domino11 Sat 27 June 2009 22:10

Irfan,
That is a very nice looking impeller. Let us know how it works out. :)

Doug_Ford Sun 28 June 2009 20:26

Irfan,

I was just telling my family how impressed I am with your progress on this cyclone. I wanted to build a dust collector using the information on Bill Pentz's site but didn't have enough patience to wade through all of the verbiage on his webpage. Not only are you successfully doing it but you are doing it in a foreign language. My hat is off to you!!!

javeria Tue 30 June 2009 10:22

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Dough - thanks for the Kind words -

and here are the pics of the blower casing top and bottom plate , done on a 19mm MDF board

Will start to assemble it soon!

domino11 Tue 30 June 2009 13:06

It must feel weird having built a machine that can help build its own upgrade parts and support equipment. :)

javeria Tue 30 June 2009 18:05

ITs actually funny Heath !

Jan de Ruyter Wed 01 July 2009 00:14

Isn't that the threat to human life: robots building robots?

hennie Wed 01 July 2009 03:38

It starts with a dustfoot and will probably end up making another MM.

domino11 Wed 01 July 2009 09:59

You probably only have to worry when you leave with one in the shop and you come home to two of them. :)


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