Mirac Tool Turret Drill Holder

All info relating to the Denford Mirac lathes

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malutki69
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Mirac Tool Turret Drill Holder

Post by malutki69 » Wed 03 Apr , 2024 11:15 am

Hi.

I am looking for the dimensions/hole locations of the drill/boring bar holder block used on the Mirac tool changer turret.
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warthog656
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Location: Evian les bains (France)

Re: Mirac Tool Turret Drill Holder

Post by warthog656 » Sun 21 Apr , 2024 17:17 pm

Hello, have you find the information?
Denford Mirac 1996 / Charlyrobot CRA2

malutki69
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Re: Mirac Tool Turret Drill Holder

Post by malutki69 » Sat 08 Jun , 2024 12:40 pm

Hello
Unfortunately no,

MAX THE MILLER
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Re: Mirac Tool Turret Drill Holder

Post by MAX THE MILLER » Fri 14 Jun , 2024 14:24 pm

Odd that they should all be missing. Give me a few days and I'll produce some kind of drawing for you. Most of the details can probably be worked out from the holes in the turret though. They're used in conjunction with D25 round tool holders.
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MAX THE MILLER
CNC Expert
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Posts: 147
Joined: Tue 23 Aug , 2011 18:25 pm
Hardware/Software: Denford Triac PC. VR Milling 5.51.0.616

Re: Mirac Tool Turret Drill Holder

Post by MAX THE MILLER » Wed 19 Jun , 2024 21:36 pm

You'll be able to get most of the details you need from the pictures and by measuring the positions of the dowel holes and M6 tapped holes in your turret. I've attached a sketch showing other dimensions.

Note that the tool holders aren't as long as the sides of the turret's octagon and the toolholders line up with the bottom edge when viewed from the front.

I would suggest boring the 25mm holes using a boring tool held in the chuck. That way the drills will enter the exact centre of the work piece. The machine offset required for drilling holes should be shown on the machine somewhere. Use this offset when boring the holes.

Max.
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