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Re: First attempts - finish on brass (all?)
Hi Gang: I used my Erector set motor for power feed once. The transmission allowed 2 speeds, forward and reverse. Plus since it drove the hex nut holding the hand wheel on it could drive all three
By Carl · #54870 ·
Re: First attempts - finish on brass (all?)
Hi William, On the subject of cutting tools, have you considered learning to grind your own tools? Adding this skill to your ¡°tool box¡± will enable you to grind any shape you will ever need not to
By OldToolmaker · #54869 ·
Re: First attempts - finish on brass (all?)
Ok I have ordered a "traditional" 1/4" tool to try rather than the very pointy straight cut tool I have. I am planning on making the edenstaal cannon so a mix of aluminium and steel - so hopefully
By William Ayerst <willayerst@...> · #54868 ·
Cap for coal/spring assembly
Hi, new to this forum. I have a Unimat SL, 95W. The cap for the coal/spring assembly has broken. Can anyone help? I live in Sweden. -- Lars H
By hakanssondahlberg@... · #54867 ·
Re: First attempts - finish on brass (all?)
This is where the power feed option really shines Martin P.
By Martin P. · #54866 ·
Re: First attempts - finish on brass (all?)
It also occurred to me that you said you were using a left handed tool. If you are turning with the tool moving towards the headstock (which is the more usual situation) then you should use a right
By Andy Carlson · #54865 ·
Re: First attempts - finish on brass (all?)
Strictly speaking brass needs no, or a slight negative rake on the tool. This removes the tendency for the tool to dig in. I guess that most of these general purpose packs are ground with rake angles
By Andy Carlson · #54864 ·
Re: First attempts - finish on brass (all?)
Also for a finishing cut ramp up the speed and take a fine, very slow cut. Try to be as smooth as possible with the hand wheels. A dab of oil might help too.
By Unimat Matt · #54863 ·
Re: First attempts - finish on brass (all?)
This is one of my test pieces straight from the lathe, it was mostly cut with a standard straight cut tool as shown in the second picture. Sent from my Huawei tablet
By Peter ashby · #54862 ·
Re: First attempts - finish on brass (all?)
For brass a round nose bit will give a smooth surface, with a pointed tool it's like you are cutting a thread. Sent from my Huawei tablet
By Peter ashby · #54861 ·
First attempts - finish on brass (all?)
Hello there chaps, After the kind advice to try out a cannon and the location of the Edenstaal plans on the files part of this group, I thought I¡¯d test out the lathe again after a period of
By William Ayerst <willayerst@...> · #54860 ·
Re: 'Exercises' for learning the unimat
I dont suppose you have the plans for the miniature steam engine do you? The one by Leslie Proper?
By Unimat Matt · #54859 ·
Re: 'Exercises' for learning the unimat
Thank you, John!
By OldToolmaker · #54858 ·
Re: 'Exercises' for learning the unimat
The IO group is called Brass Collectors.
By John Hutnick · #54857 ·
Re: 'Exercises' for learning the unimat
Dick, they may have gone over to IO like most of the longtime yahoo lists. alf,
By Alfred Fickensher <alfickjr@...> · #54856 ·
Re: 'Exercises' for learning the unimat
I got two of the old egg beater hand drills. Never thought of repurposing the antiques in this fashion. Dick
By OldToolmaker · #54855 ·
Re: 'Exercises' for learning the unimat
Alf, I used to be a member of a yahoo group called ¡°Brass Locos¡±. I seem to have lost my connection as I don¡¯t see any mail coming in any more. Is that group still active? Dick
By OldToolmaker · #54854 ·
Re: 'Exercises' for learning the unimat
I thought the original Unimat steam engine project could be a good all-round learning and/or re-skilling project, so I found some info on Youtube: https://youtu.be/M6S7_5a6qwY (
By Dave W · #54853 ·
Re: 'Exercises' for learning the unimat
"Graving and graver tools, handheld" That led me to this: Back in the late '30s, 40s, and 50s in MODEL RAILROADER MAGAZINE there was a prolific article author of scratchbuilt O Scale steam locos and
By Alfred Fickensher <alfickjr@...> · #54852 ·
Re: 'Exercises' for learning the unimat
If you are like me then you will have bags of ¡®N¡¯ gauge wheelsets. I¡¯ve used my DB/SL to reprofile some of these to finescale. I¡¯m guessing you are a member of the 2mm Association so check out
By Andy Carlson · #54851 ·