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  1. 3rd July 2011, 09:55 PM #1
    garageman
    garageman is offline Member
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    Default hafco bandsaw bogs down HELP

    hi everybody so i bought i bandsaw hafco model and while cuttinf 16mm mdf i noticed that i bogs down and dosen sound the same as it did whn first purchased it maybe the blade tension is to tight? i did play with it ,also i can cut circles the blade jams in the wood which also causes it to bog it down any help on why i cant cut a circle or round shapes i have a 6 tpi blade on it
    and id there any tricks to cutting a circle ?

    i had to break out my makita jigsaw which got the job done

    heres mine
    https://www.machineryhouse.com.au/Pr...tockCode=W4202
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  3. 3rd July 2011, 10:21 PM #2
    woodbe
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    Is it the original blade?

    Probably it's getting blunt, and the standard blades aren't up to much anyway.

    16mm mdf, you could cut it with a blunt butter knife...

    woodbe.
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  4. 3rd July 2011, 10:45 PM #3
    garageman
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    Quote Originally Posted by woodbe View Post
    Is it the original blade?

    Probably it's getting blunt, and the standard blades aren't up to much anyway.

    16mm mdf, you could cut it with a blunt butter knife...

    woodbe.
    nah not the original blade i changed it to the 6tpi for fine cuts it orginaly had 3tpi hook blade on it that was producing a realy rought cut so i changed it ,myabe it go somthing to do with the belt tension on the pulley that spins the blade causing it to bog down i have no idea
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  5. 3rd July 2011, 10:58 PM #4
    woodbe
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    Well, the blade stops? When it does this, does the motor stop too, or do you hear the grumbling of a slipping belt?

    With the doors open and the machine unplugged, can you rotate the wheels and blade easily? There should be very little friction.

    woodbe.
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  6. 3rd July 2011, 11:00 PM #5
    Skew ChiDAMN!!'s Avatar
    Skew ChiDAMN!!
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    Could also be the blade is undertensioned and slipping on the wheels...
    I may be weird, but I'm saving up to become eccentric.

    - Andy Mc
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  7. 3rd July 2011, 11:05 PM #6
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    Bedford
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    Quote Originally Posted by garageman View Post
    also i can cut circles the blade jams in the wood which also causes it to bog it down any help on why i cant cut a circle or round shapes i have a 6 tpi blade on it
    There is a limit to how small a radius that can be cut with a given blade, what size circle and blade are you working with?
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  8. 3rd July 2011, 11:13 PM #7
    garageman
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    Quote Originally Posted by Bedford View Post
    There is a limit to how small a radius that can be cut with a given blade, what size circle and blade are you working with?
    not even i circle just a curved line
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  9. 3rd July 2011, 11:14 PM #8
    garageman
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    Quote Originally Posted by woodbe View Post
    Well, the blade stops? When it does this, does the motor stop too, or do you hear the grumbling of a slipping belt?

    With the doors open and the machine unplugged, can you rotate the wheels and blade easily? There should be very little friction.

    woodbe.
    no slipping and it dosent stop i just dont continue the cut cuz i can hear and see it slowin down
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