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I would not use an Albrecht chuck on a Unimat. First, it costs more than the lathe and second, it is physically too big and will eat up some of the work envelope of the lathe. There are plenty of

Hi Dave: The chuck for small drills is an Albrecht: https://www.mcmaster.com/products/drill-chucks/drill-chucks-1~/albrecht-taper-mount-keyless-drill-chucks-8/ C15 and C30 are for 1.5 and 3mm

He meant "chuck", but his autocorrect is probably on. Get Outlook for Android<https://aka.ms/AAb9ysg> ________________________________ Sent: Tuesday, February 4, 2025 8:07:44 AM To: davesmith1800

Dave, what is a ‘Junk Check’? I have never heard of that for drilling. -- http://www.homemadetools.net/ forum/ OFF- SET-tailstock-center-65965#post105972 http://www.homemadetools.net/

The first problem I had just chucking the tiny drill bit . So look found a junk check it did hold drill bit well. So look at Jacob and purchased 0 size 0 to 5/32" . It great and was

yes a mandrel just isnt going to be strong wnough, as it would have to pass through the 0.8mm (32 thousandths) hole even if you have faced off perfectly, any tiny nub on the part will deflect the

Found the file thank you Dave

I could not find the file Dave

I am in the US.? A center drill for this application is a size 00, which is .025" tip diameter.? Here on Ebay is one that is still made in the US, not China. 132219336138

Hi Gang: I just posted my spreadsheet for dividing heads. It can be adjusted for any ratio dividing head. 1) cell B1 is the input for the ratio. Change this number and everything updates. 2) the

Carl <carl.blum@...> added folder */Dividing Head Spreadsheet - Carl Blum* *Description:* Spreadsheet for divisions on any dividing head. Change cell B1 to match your head ratio, and all

Hi Peter: Any center drill will help you start straighter than just the drill. I might suggest drill the hole first, mount the blank on a mandrill and then cut the teeth. That way if you bust the

I start with a centre drill, the smallest that I can find. You only really need a dimple, just enough so that the drill won't wobble as it starts. Rather than drill to the finished size I use a

I did think check Manufacture calculations.? When did back 1880’s they always right this first time. Even when I am cutting gears? I do a dry run and mark where the tooth goes before making the

I had to make a new worm gear for an N gauge loco, 5mm dia 1mm pitch in brass, the only issue was it needed a 0.8mm (32 thou) hole for the motor shaft. the first one i made I threaded the outside of

Thank you I found the chart by manufacturer web site. After doing a lot calculations yepy . Thank you finding that error. I could not edit post so deleted This one I work on and off? for days. I

Take care guys with that Toolmaster division table posted by Dave. It is full of errors and inaccuracies. To take a couple of examples the 43 division figures will give you 40.5 divisions (approx) and

LASER CUTTER ? PCBWAY ?

I see is clocks and watches Here a chart for the mini rotary table 36 tooth worm and cutting a 59 tooth moon phase. The second file is for simple indexing 3, 4 ,5 and 7 indexing drum Dave

It is current you have to watch for and cooling Some will put current limiting resistor and a threamal switch. The rule of thumb on motors max 10% over voltage. I have always like this lathe A year