SC4 Lathe Carriage Stop: #2 of 2
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SC4 Lathe Carriage Stop: #1 of 2
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Cheap Caliper Modding - Why Bother?
14:47
Пікірлер
@alvarojoseborreror.6588
@alvarojoseborreror.6588 4 күн бұрын
Hello my friend. I have a question, if the large seconds hand of the chronograph is not on zero position, how do I adjust it to its position again?
@TomIreson
@TomIreson 4 күн бұрын
@@alvarojoseborreror.6588 Sorry but I'm not a watchmaker, so I cannot provide any qualified advice. But if I really had to do it, I would risk scrapping the watch by pulling the hand off and pressing it back on in the zero position. These things are so cheap that they are not worth repairing unless you are doing it just for fun.
@ijontichy6070
@ijontichy6070 8 күн бұрын
I'm 70 years old, so with my eyesight all women look beautiful. Unfortunately, this interferes with the use of vernier calipers. So I bought an electronic 8-inch from Luna AG, type Limit (Sweden). This is an older model from 5 years ago, but has been kept by the supplier. I measured its current consumption with an analog meter V-640 multimeter. The resting current is about 14 microamps, in the on mode it is about 15 microamps. When pressing any button about 40 microamps. I think both a lot and a little, so I bought a cheap Parkside caliper from Lidl for 1/10 of the price of Limit. The measurement results turned out to be identical! Conclusion - both products are maybe slightly better Chinese than the cheapest ones. I am going to disconnect the battery negative circuit using a 0.25 mm thick, rigid strip that slides in and out. This will require appropriate re-soldering of the minus contact and cutting a slot in the side of the housing. I was thinking about installing a mechanical switch, but I am not convinced about the mechanical durability of microswitches and I am afraid of disfiguring the appearance.Best regards!
@stevehurcombe
@stevehurcombe 24 күн бұрын
Mine was the same. You can carefully prise the case apart, then glue it back with a little super glue.
@gigilaco
@gigilaco Ай бұрын
Great video! Very impressive machining skills!
@cesarpeirano5691
@cesarpeirano5691 Ай бұрын
Tus habilidades de relojero no son muy buenas parece. Con una simple pelota de goma habrías hecho el trabajo.
@bricesuire5072
@bricesuire5072 2 ай бұрын
I would’ve kept it cleaner.
@1972myc
@1972myc 2 ай бұрын
Very nice video! I love the map, and visuals. Very informative and love seeing the watch and bracelet. I just bought the Strapcode Miltat Super O-Boyer Bracelet, and I love it! So comfortable and great Quality!
@mrcutt215
@mrcutt215 2 ай бұрын
Wouldn't it be easier just to take the battery out when not in use?
@anthonyenriquez6309
@anthonyenriquez6309 2 ай бұрын
lol
@ForgottenMan1
@ForgottenMan1 3 ай бұрын
Excellent and timely. I just changed the battery in my caliper an hour ago.
@AJVAN_
@AJVAN_ 3 ай бұрын
I'll rather change the batteries
@dalebechtel8904
@dalebechtel8904 4 ай бұрын
I have the same grinder and has the same wobble
@forsmileyhappypeople
@forsmileyhappypeople 4 ай бұрын
Would be quicker to just fold a piece of cello tape about 2" long and wide enough to fit then slide it under the battery and slide the cover back, so just slide out the tape before use and put it back after, simple! :)
@bobclarke5913
@bobclarke5913 4 ай бұрын
I pop the battery out and put it back in upside down in storage. This way i always know where it is and it doesn't drain.
@EleanorPeterson
@EleanorPeterson 4 ай бұрын
I don't know exactly what happens when you do that, but won't it set up some kind of nasty electrolytic reaction?🤔
@bobclarke5913
@bobclarke5913 4 ай бұрын
@@EleanorPeterson Hasn't so far. The negative is touching both of the contacts while the positive is just hanging out against the plastic.
@aleksandrorlov1515
@aleksandrorlov1515 5 ай бұрын
It is a pleasure to watch. Good video.
@ghidfg
@ghidfg 5 ай бұрын
if you lock it with the screw it wont turn on when it gets bumped in storage edit: nvm just watched your other video.
@nitrocell9287
@nitrocell9287 5 ай бұрын
If you keep your soldering tip clean and it will work better...
@ralphyo6285
@ralphyo6285 6 ай бұрын
it never was the shaft running out of balance but the grinding wheel itself.
@roadgent7921
@roadgent7921 6 ай бұрын
Very fiddly and maxed out from the factory to boot! No wonder people buy so many quartz. 😮
@aleksandrorlov1515
@aleksandrorlov1515 5 ай бұрын
Almost all my quartz watches are stopped. Batteries has died, but mechanical watches i can pull out any time and ready to wear. The one kinetic seiko is still alive 😊
@roadgent7921
@roadgent7921 5 ай бұрын
@aleksandrorlov1515 It is true that batteries die of course. It's not super difficult to replace them, plenty of vids on KZbin. All my solar quartz watches are still working fine, some after 15 years. 😀
@SQueme
@SQueme 6 ай бұрын
♻ still searching & byuing them in NON-WORKING conditon, for parts or repair : i'm a beginner on chronographs ♻
@jackburtonstwin
@jackburtonstwin 7 ай бұрын
I opted to avoid the swan neck fine regulator on this movement as it is really not a movement that benefits from such a fine adjustment mechanism given its general build quality and finishing. working with the regulator pin positions is made easier without the faff of the swan neck and will achieve a reasonable outcome on my timegrapher
@CorkBouldering
@CorkBouldering 4 ай бұрын
It looks like paying extra money for swan neck version is waste.😅
@megamega362
@megamega362 7 ай бұрын
Rubber ball opens all this style back in my experience.
@blitzkrueg07
@blitzkrueg07 7 ай бұрын
You can tell by the movement sound.. that is a fake mitutoyo
@myfordboy
@myfordboy 7 ай бұрын
Great restoration and I love the previous one made with tools available at the time.
@TomIreson
@TomIreson 7 ай бұрын
Thanks. And yes, a Black & Decker drill, a massive 12" file and a blow torch.
@TheLouis1410
@TheLouis1410 8 ай бұрын
If you want a real challenge mines doing the same but the sockets square 😂😂😂
@telwood15
@telwood15 8 ай бұрын
It pays to get a quality caliper with a locking screw.
@TS50ER
@TS50ER 8 ай бұрын
I've wired my calipers up to a huge solar panel that I wheel around with it - you just can't be too careful. Actually many come with a small plastic tab that you pull out to initially turn the calipers on. You can put this tab back in by feeding it through the hole for the battery and out the thin gap. It takes longer than taking the battery out, but it quicker when using it.
@zvedai
@zvedai 8 ай бұрын
I found simple solution to this problem - just tighten the lock screw , turn it off and battery is never be flat. I already use this method for long time and never had this problem any more.
@carlhoward5469
@carlhoward5469 8 ай бұрын
After purchasing several and constantly finding the same 'dead battery' caliper issue, I make it a point to purchase the ever more popular versions with "Auto Off" functionality. Problem averted! :-)
@userfortytwo
@userfortytwo 8 ай бұрын
A bit more simple approach I think..... kzbin.info8zkRsqdXSmo
@rickneill6924
@rickneill6924 8 ай бұрын
Clever. A good fix. I slavishly remove the battery after every use.
@JillNowlin-v4j
@JillNowlin-v4j 8 ай бұрын
Loving the beard
@TomIreson
@TomIreson 8 ай бұрын
Winter plumage. It gets cold out there.
@thejohnson9204
@thejohnson9204 8 ай бұрын
Great video mate. I love the, oops i don't have a tool, so i will just make one moment.
@TomIreson
@TomIreson 8 ай бұрын
Cheers. All I ever seem to make is more tools, though.
@danielelliott3659
@danielelliott3659 8 ай бұрын
Nice
@MichaelWilliams-mo1vv
@MichaelWilliams-mo1vv 8 ай бұрын
This unwittingly illustrates the problem with these watches/brands. You shouldn't have had to modify the adjusting screw if the thing had been made properly in the first place. I had a homage watch with this movement and the winding mechanism broke after 6 months. These watches get rave reviews but there are q c issues.
@TomIreson
@TomIreson 8 ай бұрын
It very knowingly illustrates that these movements are not to be regarded as quality movements in any respect. With new ST1901 movements available at around 100 $/£/€ you're going to get the quality and quality control that you've paid for. Any mechanical chronograph at less the 1k $/£/€ would be 'workhorse' quality at best. Seagull et al are nothing more that novelties with curiosity value to play about with.
@SQueme
@SQueme 7 ай бұрын
♻ sell it for parts or repair : parts are hard to find on ST19 ... so i'm searching for such non working ones (🇫🇷 ) repair of the winding mechanism (click spring) is also a common issue on old ST19 i had (2 by now had this issue)
@thomasdixon3334
@thomasdixon3334 9 ай бұрын
Loved the timelapse where you just stood there for minutes. What was going through your head in that moment?
@TomIreson
@TomIreson 9 ай бұрын
Nothing.
@techrama9642
@techrama9642 9 ай бұрын
So i need lathe machine
@fxhood2114
@fxhood2114 9 ай бұрын
very nice job - very inspiring 😊
@paulberkuta4965
@paulberkuta4965 9 ай бұрын
I like the concept of the fixture, but you need to refer to the Machinery's Handbook for press fits for bearings.
@TomIreson
@TomIreson 9 ай бұрын
Agreed. Table 17, page 2465 of the 31st edition, doesn’t go down to a 4mm shaft diameter but it does imply a j6 deviation. Table 6a on page 682 provides a tolerance not specified deviation for a 4mm shaft as +5 (0.005mm [0.0001972"]). I’d imagined, at the time, that those real specifications would have been that tight and didn’t want to mess with trying to hit them, but I should have looked them up before hand to give me some idea instead of guessing that +0.03mm would be OK. Learned by that mistake, though. I’ll not forget it. Using DGB bearings is complete overkill, but I had them to hand. If I did this over again, I’d just turn out some simple disc rollers or wheels and they’d do just as well.
@MrBobWareham
@MrBobWareham 9 ай бұрын
And all that to save putting in a screw to hold it together and make it easy to service, what happened to the right to repair? I think we should all stop buying glued items.
@techrama9642
@techrama9642 9 ай бұрын
Heee her buy new one😅
@doderoalessio7046
@doderoalessio7046 9 ай бұрын
E al contrario…
@Mr.N.S
@Mr.N.S 9 ай бұрын
❤❤❤
@bambukouk
@bambukouk 9 ай бұрын
Thank you Tom, Just spend most of the day watching all fourteen videos (and subscribed to your channel). Not only entertaining but also useful - I am thinking about another of Hemingway's kits, so it was great to see your experience... I know the original Westbury design also used aluminium castings, but personally not convinced that aluminium running on steel is best idea? I'd be interested how you get on with it long term...?
@TomIreson
@TomIreson 9 ай бұрын
Good show, you had a long day. I've been in service engineering for a major industrial diesel engine manufacturer for 40 years and aluminium bearings are common in low load applications - accessory drives, hydraulic pumps, compressors and even connecting rod and main bearings on the unloaded shells. Passenger cars and motor cycles also have overhead camshafts running directly in the aluminium cylinder heads. It works well but does take heavy loads and does not self lubricate well if the oil film is broken through. Properly oiled it lasts well enough.
@bambukouk
@bambukouk 9 ай бұрын
@@TomIreson Thank you for an explanation. Oil film is the trick - my bad experience was indeed with stuff that was running dry, with aluminium galling and behaving more like grinding paste (aluminium oxide 😜I guess). Look forward to more of this type of videos. Thank you 👍
@TorteTS
@TorteTS 9 ай бұрын
Nice magnets, and the trick with the rope when you are sawing small pieces, great! When you hold two pieces in the vice, clamp a piece of drawing paper with the parts, it will compensate different part heights, maybe.
@HiYtube
@HiYtube 9 ай бұрын
Riding an elephant to catch grasshoppers
@peterfitzpatrick7032
@peterfitzpatrick7032 9 ай бұрын
Why not just run the drill whilst traversing ?... 🤷‍♂️
@TomIreson
@TomIreson 9 ай бұрын
I was running the drill bit but then got curious as to whether it would plane cut stationary or not. It did, very easily, so I filmed it.
@peterfitzpatrick7032
@peterfitzpatrick7032 9 ай бұрын
​@@TomIresonIf you have the room for it , pick up a shaper... I have a 12" Elliot and I've used it to make racks and pinions amongst other things... hypnotic watching the steel peel off.. 🙂👍☘🍺
@TomIreson
@TomIreson 9 ай бұрын
The 'shop' is 6' x 8'. Hardly enough room for me and a camera.
@peterfitzpatrick7032
@peterfitzpatrick7032 9 ай бұрын
​@@TomIreson... Okay, you'll be needing a pocket-shaper so, Tom... 🙄😅👍❤
@peterfitzpatrick7032
@peterfitzpatrick7032 9 ай бұрын
Its not great to stop mid-cut with carbide inserts as they are very likely to chip... better to have an over-depth groove at the hole bottom to allow the cutter to run in to.. then back off the tool and reverse.... 😎👍☘🍺
@TomIreson
@TomIreson 9 ай бұрын
There was a radial relief grove already cut in the bottom of the hole. The inset tip was stopping within that groove.
@peterfitzpatrick7032
@peterfitzpatrick7032 9 ай бұрын
​@@TomIreson Okay then... 😏 Carry on, sir !! 😂👍 BTW... A sub & a like costs me nothing so why da hell not... 🤔... 🤭 😎👍☘🍺
@peterfitzpatrick7032
@peterfitzpatrick7032 9 ай бұрын
Grinding the end of the boring bar at an angle would help prevent this.. and as someone else said, set up a stop on the bed for the carriage so it can only go to depth and no more... 😎👍☘🍺
@TomIreson
@TomIreson 9 ай бұрын
I normally set the carriage stop and retract the top (compound) slide by -0.1mm for a final finishing face cut at the bottom of the bore hole. My mistake was a lapse in concentration and I set the top slide +0.1mm deeper, hence the crash. Mistakes happen.
@peterfitzpatrick7032
@peterfitzpatrick7032 9 ай бұрын
​@@TomIreson Tom , I had a lapse in focus many many years agoin work... I now only have nine and a half digits to remind me.. 🤷‍♂️😂
@jeffcurrey8765
@jeffcurrey8765 9 ай бұрын
Dial calipers.
@frankhuddleston6548
@frankhuddleston6548 9 ай бұрын
Forgot to take the wretch off😮