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  1. #1
    Join Date
    Jun 2004
    Location
    Kyabram. Vic
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    632

    Default metal bandsaw blades

    Well; that sorted out the Starrett bimetal blade from H&F on the 7L metal bandsaw. I spent the morning fixing the coolant system then made two 40mm cuts in 20mm K110(D2) tool steel. Blade now worn out. Does anybody have any ideas on better quality bimetal or possibly carbide blades for steel. Presently 19mm X .09mm.

    Bob Thomas will have a chuckle with this as it is the same mongrel stuff I sent him for his replacement Schaublin vice jaws.

    Ken

  2. #2
    Join Date
    Jun 2010
    Location
    Wimmera
    Posts
    96

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    McDiven Saws P/L specializes in all types of bandsaws

    This mob have been around for a long time. Good product, and they only do bandsaw blades.

    Hooroo.

    John

  3. #3
    BobL is offline Member: Blue and white apron brigade
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    Feb 2006
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    Perth
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    7,182

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    The hardening charts I have for D2 indicate it is usually between 58 and 63 Rockwell C
    Given it's that hard it's not something I would even think about using even a bimetal BS blade on.

    I'd be using a thin kerf abrasive wheel or even a diamond wheel for that size of a cut.
    My little home made table saw mounted on the side of one of my 3P grinders excels at that sort of thing.

    At about $80/m for TC BS blades, a $2 thin kerf wheel or a $25 diamond cutting wheel is looking like a much cheaper alternative.

  4. #4
    Join Date
    Sep 2008
    Location
    Riddells Creek, Vic.
    Posts
    831

    Default

    [QUOTE=BobL;1929983]The hardening charts I have for D2 indicate it is usually between 58 and 63 Rockwell

    That is the hardness after hardening and tempering, the as received hardness is around 25 Hrc. This type of material work hardens easily if the surface speed of the blade too high.

  5. #5
    BobL is offline Member: Blue and white apron brigade
    Join Date
    Feb 2006
    Location
    Perth
    Posts
    7,182

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    [QUOTE=Techo1;1929987]
    Quote Originally Posted by BobL View Post
    The hardening charts I have for D2 indicate it is usually between 58 and 63 Rockwell
    That is the hardness after hardening and tempering, the as received hardness is around 25 Hrc. This type of material work hardens easily if the surface speed of the blade too high.
    Seems like another good reason to use an abrasive wheel.

  6. #6
    Join Date
    Aug 2008
    Location
    near Rockhampton
    Posts
    6,216

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    I get my blades from an ebay seller in Cyprus. Quick postage and any size you want. The seller uses german made bimetal blades.
    Gold, the colour of choice for the discerning person.

  7. #7
    Join Date
    Jun 2004
    Location
    Kyabram. Vic
    Posts
    632

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    With the prospect of hardening; that is the reason I stayed away from the abrasive wheels. Obviously the band speed was too fast even with coolant.

    Ken

  8. #8
    Join Date
    Feb 2013
    Location
    Laidley, SE Qld
    Posts
    1,038

    Default

    I bought blades from the Cyprus supplier recently, I haven’t needed to put one on yet but they arrived promptly and the joins look good. The internet is a wonderful thing, I can buy blades from Cyprus and have them in my mailbox cheaper than buying them from the Gold Coast 100km away.

    Quote Originally Posted by .RC. View Post
    I get my blades from an ebay seller in Cyprus. Quick postage and any size you want. The seller uses german made bimetal blades.

  9. #9
    Join Date
    Sep 2017
    Location
    Spring, Tx
    Age
    64
    Posts
    2

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    I purchased my blade from Amazon, it was a Starrett and it is working great for me. I got Prime 2 day delivery.

  10. #10
    Join Date
    Jun 2004
    Location
    Kyabram. Vic
    Posts
    632

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    Preeber,

    That's alright for you as you are in the United States. I am from Australia.
    The economy must be looking up over there as it seems more and more american businesses will not sell or post to Australia. I recently tried contacting an American manufacturer of carbide milling cutters. The response was along the lines of we detect you are from Australia; your country is banned.
    Then their is ebay; most of the postage rates are just ridiculous; a small $20 item (Hardinge 5C collet for instance, with used machinery dealer wanting something like $156 postage.)

    I will stop ranting now; but where I was once happy to buy american; I rarely do now and just pay the Australia Tax (where items here are marked up to about 3 times the overseas price.)

    Ken

  11. #11
    Join Date
    Sep 2017
    Location
    Spring, Tx
    Age
    64
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    2

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    Wow, I really didn't understand the situation was like that, I buy international all the time from Europe and of course Asia and really have never seen a situation like that. I don't think I have ever purchased anything from Australia though. I'm sorry.

  12. #12
    Join Date
    Aug 2008
    Location
    near Rockhampton
    Posts
    6,216

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    Quote Originally Posted by preeber View Post
    I don't think I have ever purchased anything from Australia though. I'm sorry.
    Can we give you some of our politicians. I will even pay postage. And I will throw in some lawyers for free.
    Gold, the colour of choice for the discerning person.

  13. #13
    Join Date
    Jun 2004
    Location
    Kyabram. Vic
    Posts
    632

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    Nice try Richard. I don't think they want any of our underperforming clowns. They have enough of their own gooses. Anyway; our lawyers haven't stooped as low as theirs; yet.

    Preeber,
    No need to be sorry; not your fault.
    4 or 5 years ago when the usps medium flat rate boxes were around $65US to Australia I sucked it up and paid the price as I was landing new items in Aus for about half the price of the local robbers charge. An example is I needed a replacement electric clutch for my ride on mower; made in China sold in lots of 10 for $650us; same unit resold in Aus for about $650au each. I imported a top quality US made unit for just under $300au , sent via UPS.
    Now that the usps is bending clients over the table and screwing them and charging over $100US a box for home hobby use it is becoming too costly. Then there is that epay global shipping programme; double postage.
    I don't think that it is a coincidence that Amazon decided to open in Australia and then many of the items on amazon US were unavailable to Aus. Then they went and totally screwed their opening here. I have no idea why Kodiak tools have banned potential Aussie customers from their site. I am currently making up an order for Maritool who still post to here. We do still have a local manufacturer; they make an excellent tool; but are too expensive for me. HSS CO dearer than good imported carbide.

    We do have some very good manufacturers and suppliers with good customer support in Aus. The host company for this forum is one of them.
    We have had discussions on the forum before on how we can import an item quicker than we can usually get a reply from an Aus company.

    Ken

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