Search found 167 matches

by armscor 1
Sat Aug 08, 2020 2:41 am
Forum: Milling Machines
Topic: Reading deg min and seconds
Replies: 16
Views: 373

Re: Reading deg min and seconds

My 72:1 Rotary table has dial plate with 150 graduations which gets me to only 2'.
by armscor 1
Fri Aug 07, 2020 8:15 pm
Forum: Milling Machines
Topic: Reading deg min and seconds
Replies: 16
Views: 373

Re: Reading deg min and seconds

Watch Keith Ruckers latest video, calculating fine degree movement to make a bevel gear.
by armscor 1
Fri Jul 31, 2020 7:39 pm
Forum: Milling Machines
Topic: Progressing From The Dark Ages.
Replies: 19
Views: 1134

Re: Progressing From The Dark Ages.

Job finished, sore arm cranking the hand wheels to tram the scales!
by armscor 1
Fri Jul 31, 2020 3:34 pm
Forum: Milling Machines
Topic: Progressing From The Dark Ages.
Replies: 19
Views: 1134

Re: Progressing From The Dark Ages.

I suspect the Aluminium alloy is Duralumin.
Remember my Mentor telling me they had found a fuel tank dropped from an aircraft during WW2 in Holland, he said it was almost impossible to cut.
by armscor 1
Thu Jul 30, 2020 4:28 am
Forum: Milling Machines
Topic: Progressing From The Dark Ages.
Replies: 19
Views: 1134

Re: Progressing From The Dark Ages.

Hi Harold, avoided lubricant like the plague, difficult to access the glass scale to clean, taped the slot and blocked the end with tissue paper. After cutting the glass I completed the surgery cutting the aluminium with a hacksaw and you could feel it was tough. Faced of the end with a slot drill. ...
by armscor 1
Thu Jul 30, 2020 2:45 am
Forum: Milling Machines
Topic: Progressing From The Dark Ages.
Replies: 19
Views: 1134

Re: Progressing From The Dark Ages.

Hi Harold, I used the 1/8" tapered diamond burr to cut the fragile glass scale, cut like butter. Used a 8mm carbide slot drill to cut the scale frame to give access to the glass scale and the aluminium was tough to cut. Must be extremely rigid as the glass scale is only 3/32" thick and 1/2' wide. It...
by armscor 1
Wed Jul 29, 2020 4:09 pm
Forum: Milling Machines
Topic: Progressing From The Dark Ages.
Replies: 19
Views: 1134

Re: Progressing From The Dark Ages.

Hi Guys, cut my DRO scale with some trepidation, trusty Dremel to the rescue with a small diamond coated burr, the hardest part was cutting the aluminium, tough stuff, no idea what type. The "X" scale now fitted and working fine. Now to fit the "Y" scale. Heaps of features on the DRO, some I don't u...
by armscor 1
Mon Jul 20, 2020 12:24 am
Forum: General Discussion
Topic: benchtop vise restoration
Replies: 24
Views: 1067

Re: benchtop vise restoration

Also fit a spring , keeps preload on the screw.
by armscor 1
Sat Jul 18, 2020 9:42 pm
Forum: General Discussion
Topic: benchtop vise restoration
Replies: 24
Views: 1067

Re: benchtop vise restoration

I have the much hated round head mill but has its benefits, easily swing the head.
by armscor 1
Sat Jul 18, 2020 4:06 pm
Forum: General Discussion
Topic: benchtop vise restoration
Replies: 24
Views: 1067

Re: benchtop vise restoration

My Mill is not large, simply hung it off the side of the table clamping down on the jaw, swung the head and faced.
by armscor 1
Sat Jul 18, 2020 1:52 am
Forum: General Discussion
Topic: benchtop vise restoration
Replies: 24
Views: 1067

Re: benchtop vise restoration

I went one step further, machined the face where the thrust washer rides.
by armscor 1
Wed Jul 15, 2020 4:08 pm
Forum: Milling Machines
Topic: Progressing From The Dark Ages.
Replies: 19
Views: 1134

Re: Progressing From The Dark Ages.

Thanks, watched some people on youtube shortening scales, have to be gentle cutting the glass scale but it is doable, let you know how I get on.