Search found 44 matches

by armscor 1
Wed May 01, 2019 4:04 am
Forum: General Discussion
Topic: Shopmade Slotting Attachement
Replies: 4
Views: 603

Shopmade Slotting Attachement

Need to cut some small internal splines for my MC.
Made this which simply attaches to the side of my round head Mill Drill.
Utilised the swivel base of my vise which was sitting under the bench for the last 20 years, can lean the head for cutting taper keyways.
by armscor 1
Mon Apr 29, 2019 5:11 pm
Forum: General Discussion
Topic: Fea Market Score
Replies: 2
Views: 609

Re: Fea Market Score

This gauge has a square shoulder .100 thou from stylus centreline designed to but up against shoulder in blind hole giving the measurement straight across.
by armscor 1
Mon Apr 29, 2019 4:53 pm
Forum: General Discussion
Topic: Fea Market Score
Replies: 2
Views: 609

Fea Market Score

These items bought at local flea market, Micrometer looks very old, does not have ratchet but has a smooth clutch arrangement. The bore gauge is used to measure a blind hole .100 thou from the end, no idea what it is used for other than measuring hydraulic cylinders, hope someone can shed a light on...
by armscor 1
Sat Apr 13, 2019 4:09 pm
Forum: Milling Machines
Topic: Another round column mill spindle bearing question
Replies: 2
Views: 715

Re: Another round column mill spindle bearing question

Running at prolonged high speed cooks the bearings, changed mine only once over 12 years, avoid high speed at long intervals let the bearings cool.
by armscor 1
Sun Mar 31, 2019 3:45 pm
Forum: General Discussion
Topic: Dirt Bike Crank Disassembly Tooling?
Replies: 4
Views: 822

Re: Dirt Bike Crank Disassembly Tooling?

Is it a rebuildable item, crank kit available? Generally needs approximately 4 to 6 tons pressure to push out the crank pin and if you have only have 100 thou space and the compressive strength of the plastic is questionable I would be looking for a new crankshaft. 20 years I rebuilt many cranks for...
by armscor 1
Sun Feb 24, 2019 3:43 pm
Forum: Welding
Topic: Welding Positioner
Replies: 5
Views: 1216

Re: Welding Positioner

Tested at 140 amps, no interruption to current, slip ring holds up, very happy.
by armscor 1
Sat Feb 23, 2019 3:49 pm
Forum: Welding
Topic: Welding Positioner
Replies: 5
Views: 1216

Re: Welding Positioner

Yep, no possibility of welding spindle bearings. Made a 98 tooth gear to give me the speed reduction, goes down to just under 1 rpm. The mill power feed was removed from my mill and I upgraded to an Align to give me higher rapid speed. Going to make a slotted faceplate that will grip in the 3 jaw ch...
by armscor 1
Fri Feb 22, 2019 9:14 pm
Forum: Welding
Topic: Welding Positioner
Replies: 5
Views: 1216

Welding Positioner

Need to build up a shaft with weld.
Built this.
by armscor 1
Fri Feb 22, 2019 9:11 pm
Forum: General Discussion
Topic: Parallel Keeper
Replies: 8
Views: 1204

Parallel Keeper

Found a good use for my non repeating cheap import Telescopic gages.
by armscor 1
Wed Feb 13, 2019 12:54 am
Forum: Milling Machines
Topic: Rong Fu 30 z axis lock questions
Replies: 2
Views: 1000

Re: Rong Fu 30 z axis lock questions

The cylinder, cam on the right hand side is threaded, LHS must have clearance.
I replaced the cast iron cams on my machine with aluminium to prevent marring on the quill.
by armscor 1
Fri Feb 01, 2019 3:12 pm
Forum: The Junk Drawer
Topic: Cheap Saltpeter for Stumps
Replies: 30
Views: 5899

Re: Cheap Saltpeter for Stumps

Forty years ago I could have helped, worked in a chemical plant making 150 tons per day of Ammonia nitrate, interesting process.
by armscor 1
Thu Jan 24, 2019 4:34 pm
Forum: The Junk Drawer
Topic: Pests
Replies: 9
Views: 1571

Pests

Went to use my trusty power hacksaw, pressed start and would only run with start button held in, retain contact in contactor not functioning. Disassembled contactor an found insect larvae between contacts, cleaned and now working. Had to cap the air hose connecters on all my air tools, wasps love to...