Thanks Thanks:  0
Likes Likes:  0
Needs Pictures Needs Pictures:  0
Picture(s) thanks Picture(s) thanks:  0
Results 1 to 10 of 10
  1. 15th November 2008, 02:14 PM #1
    Chipman
    Chipman is offline SENIOR MEMBER
    Join Date
    Sep 2007
    Location
    Melbourne
    Posts
    1,133

    Default Dust Collection and impeller design

    I know that many posts have been made about dust collectors and variations due to Frequency (50/60Hz) duct work size and even mention of impeller design.

    I thought there could be some interest in the following experience....

    At work (school) we have a 4 kW dusty. Recently it developed some vibration followed by an almighty "bang" as one of the impeller blades let go!!!!! It was a welded one with simple rectangle blades. The actual system is largely "home cooked" by the head of department.

    He contacted the manufacturer of the head of the cyclone and they supplied a new impeller with curved and tapered blades (get wider from centre to outside) The motor had new bearings fitted and all reassembled and what a difference!!!!!!!

    1. So much quieter
    2. Much more efficient... the old system struggled to run two outlets at once where as this one will run 4 or 5 and not only that, it actually works..drop a handful of dust near the belt sander and you can see it disapear....further, it actually works with the thicknesser, the old one could never suck the chips out.

    So the only difference is the impeller and it is unbelievably better.


    My advice.... make sure you have a good impeller as it DOES make a big difference!

    Cheers,

    Chipman
    Reply With Quote Reply With Quote
  2. 15th November 2008 02:14 PM # ADS
    Google Adsense Advertisement
    Join Date
    Always
    Location
    Advertising world
    Posts
    Many





     
  3. 17th November 2008, 11:09 AM #2
    GraemeCook's Avatar
    GraemeCook
    GraemeCook is offline GOLD MEMBER
    Join Date
    Apr 2006
    Location
    Hobart
    Posts
    5,125

    Default

    Thanks Chipman.

    Its amazing the difference between good design and muddling along, no matter how well intentioned. There is some very sophisticated science in impeller design and basic physics in dust extractor layout.

    Have you seen http://billpentz.com/woodworking/cyclone/index.cfm which covers both the common sense and physics of dust extraction. Might enhance your teaching notes!

    Cheers

    Graeme
    Reply With Quote Reply With Quote
  4. 17th November 2008, 02:58 PM #3
    LeftyJim's Avatar
    LeftyJim
    LeftyJim is offline Intermediate Member
    Join Date
    Jan 2006
    Location
    Adelaide
    Age
    53
    Posts
    28

    Default

    Hi Chipman,

    Can you advise the name of the company that supplied the new impeller ?

    I'm looking into making a cyclone, and it would be interesting to find out what they have available.

    I was going to get one of the ClearVue impellers, but the dollar conversion is not as attractive as it was.
    Reply With Quote Reply With Quote
  5. 17th November 2008, 03:38 PM #4
    Robomanic's Avatar
    Robomanic
    Robomanic is offline Chisel wielding computer nerd
    Join Date
    Aug 2008
    Location
    Shailer Park, Brisbane
    Age
    42
    Posts
    571

    Default

    Quote Originally Posted by GraemeCook View Post
    ...
    Have you seen http://billpentz.com/woodworking/cyclone/index.cfm
    ...
    haha - the unusual extension on that website is .cfm - as in Cubic Feet per Minute...

    (such a geek)
    Cheers,
    Shannon.
    Reply With Quote Reply With Quote
  6. 17th November 2008, 08:08 PM #5
    Chipman
    Chipman is offline SENIOR MEMBER
    Join Date
    Sep 2007
    Location
    Melbourne
    Posts
    1,133

    Default

    Quote Originally Posted by LeftyJim View Post
    Hi Chipman,

    Can you advise the name of the company that supplied the new impeller ?

    I'm looking into making a cyclone, and it would be interesting to find out what they have available.

    I was going to get one of the ClearVue impellers, but the dollar conversion is not as attractive as it was.
    I will try and find out tomorrow....just be aware that this impeller is fitted to a 5hp (4kW) 3phase motor.

    Cheers,

    Chipman
    Reply With Quote Reply With Quote
  7. 18th November 2008, 07:48 AM #6
    JT's Avatar
    JT
    JT is offline Tinkerer
    Join Date
    Jul 2000
    Location
    Sydney, NSW, Australia
    Posts
    61

    Default

    I would be keen to know who supplied it as well, is it a local supplier?
    Reply With Quote Reply With Quote
  8. 18th November 2008, 04:08 PM #7
    Chipman
    Chipman is offline SENIOR MEMBER
    Join Date
    Sep 2007
    Location
    Melbourne
    Posts
    1,133

    Default

    Quote Originally Posted by JT View Post
    I would be keen to know who supplied it as well, is it a local supplier?

    G J Wheeler Machinery

    (02) 9604 3299



    2/ 19 Tarlington Pl
    SMITHFIELD
    NSW, 2164
    SYDNEY


    I am not connected in anyway or endorsing them or recommending this particular company.

    Cheers,

    Chipman
    Reply With Quote Reply With Quote
  9. 18th November 2008, 07:18 PM #8
    JDarvall's Avatar
    JDarvall
    JDarvall is offline Banned
    Join Date
    Apr 2005
    Location
    kyogle N.S.W
    Age
    50
    Posts
    4,844

    Default

    Quote Originally Posted by GraemeCook View Post
    Thanks Chipman.

    Its amazing the difference between good design and muddling along, no matter how well intentioned. There is some very sophisticated science in impeller design and basic physics in dust extractor layout.

    Have you seen http://billpentz.com/woodworking/cyclone/index.cfm which covers both the common sense and physics of dust extraction. Might enhance your teaching notes!

    Cheers

    Graeme
    I ended buying a clearvue with a 5hp motor, 16" impeller, that I'm quite chuffed about before the dollar crashed.

    I haven't set it up yet though. I think its definetly worth while.
    Reply With Quote Reply With Quote
  10. 18th November 2008, 09:35 PM #9
    LeftyJim's Avatar
    LeftyJim
    LeftyJim is offline Intermediate Member
    Join Date
    Jan 2006
    Location
    Adelaide
    Age
    53
    Posts
    28

    Default

    Quote Originally Posted by Chipman View Post
    G J Wheeler Machinery
    Chipman, thanks for the info.

    I'll give them a call to see what they have - I am actually looking at a 4kW single phase motor for the cyclone.
    Reply With Quote Reply With Quote
  11. 19th November 2008, 06:44 AM #10
    JT's Avatar
    JT
    JT is offline Tinkerer
    Join Date
    Jul 2000
    Location
    Sydney, NSW, Australia
    Posts
    61

    Default

    thanks for that chipman
    Reply With Quote Reply With Quote
« Previous Thread | Next Thread »

Similar Threads

  1. Dust Collection
    By John H in forum CNC Machines
    Replies: 9
    Last Post: 16th September 2008, 04:35 PM
  2. Dust extraction impeller
    By kiwioutdoors in forum DUST EXTRACTION
    Replies: 13
    Last Post: 1st October 2005, 07:18 PM
  3. Dust collection (Another one)
    By graemet in forum DUST EXTRACTION
    Replies: 12
    Last Post: 18th November 2004, 10:02 PM
  4. Dust Collector Impeller Direction.
    By echnidna in forum DUST EXTRACTION
    Replies: 13
    Last Post: 9th October 2004, 01:50 AM
  5. Dust collection
    By Daddles in forum TRITON / GMC
    Replies: 14
    Last Post: 21st January 2004, 08:48 PM

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  

Forum Rules