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Member postings for Mike Davies 2

Here is a list of all the postings Mike Davies 2 has made in our forums. Click on a thread name to jump to the thread.

Thread: Soft end MT mandrels - soft att the way through ?
20/06/2015 10:39:41
Posted by Frances IoM on 18/06/2015 16:50:28:
there is a comment in latest MEW #230 page 9 re softening an ARC supplied taper by baking for 30min at full temp [unspecified ?250 deg C] in oven

Hi Frances, thanks for your intriguing post. I did buy the MEW I found in the shops but it was the special edition and doesn't have any references to letting MT adapters down. Can you quote the relevant part for me ? Or is it really just as simple as baking it at 250 degrees C for 30 minutes and letting it cool slowly in the oven ?

Thanks again,

Mike

18/06/2015 14:38:57

Hi John, sounds like my idea of threading the small end M14 x 1.5 to suit some M16/M10 hydraulic pipe I have is a non-starter then. I'll have to revert to Plan B which is to use an M12 stud in the end of the pipe and drill through it 8mm. Shame as 10mm would have made for a sturdier stop rod and I want it for locking screws when turning them down.

Many thanks for your help and to all who answered,

Mike

18/06/2015 12:13:54

Hi Brian,

They are here on Arc's site : **LINK**

Sleeves would be no use for what I want.

Mike

17/06/2015 11:48:33

Hi,

I'm going to build a lathe backstop for my Boxford and want to use a shop-bought MT3 soft end mandrel for the nose piece.

I've found apparently suitable types at Arc Eurotrade but need to know whether they're just surface hardened on the taper, or whether that part is hardened all the way through ? I will need to bore right through the mandrel to take the stop rod and also thread the end for a drawbar so if they are hardened through the body that's a no go for my application.

Anyone drilled through one of Arc's MT soft end mandrels and know the answer ?

Thanks,

Mike

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