sandvik 870 tip drills here in grey and ductile iron. ours ran 425 SFM and between .008-.018" IPR (1/2" drills normaly ran around .010"). grey always had a sequel and ductile was a more quiet squeal (if you could even call it that) with a smooth hiss. we used regular setscrew type endmill...
Only problem i ever had was in a iron foundry machine shop. the guys never pulled, cleaned and then put them away after a job. The grey iron would get in the ports and set up like concrete. then when you put the tool in a TSC mill get everything touched off and are ready to go, Guess what, no...
your using the manual mazatrol unit correct not EIA? If the former, it will auto comp for the tools length and SFM/rpm based on the data in the tool offset page on the machine control like any mazatrol unit(unless its a specific rpm is commanded in the manual unit) , and what ever diameter you...
encoder? the 06 vf6-50 where i used to work had the set screw on the pulley attached to the spindle encoder back out ever so slightly to where it just wiggled back and forth on the shaft. spinning a drill/endmill one direction and you would never know it, go to tap and at the end of the tap...
93 sqt18ms in the shop i worked at ( a c axis), the encoder board on the spindle unit controlled the thread timing and c axis positioning. it started going out and would show only on the c axis when it would get hot but would thread just fine, our tech said it was a wonder it would still thread...
my machine tool instructor talked with us about the old days with cutting/tapping fluid with trichloroethane, Like the original cool-tool (have a tube in an unopened package some where that he gave to me when he retired from teaching), he said on of the main health effects which he knew first...
yes grease fitting on the yellow housing and also make a couple shallow grooves on the outside of the bronze bushing to hold grease. if you can make a multi start thread, a few shallow passes .015-.03 deep with a sharp point threading tool will work great. done this on the id of some brass...
jack the machines up and set them on a 1" or thicker steel sheet thats bigger than the size of the machines base (bigger is better). not perfect but its a good workaround for thin concrete to help spread the load a little more evenly and reduce machine chatter plus it also helps lathes stay...
look at a sandvik 345 face mill. 8 cutting edges per insert, it's good heavy insert with replaceable seats, and they make a wiper insert that replaces one of the 8 edge inserts for better finishes, letting you use a semi-roughing speed and depth of cut and still get a good finish
That white LRD you singled out in the first pic is a timed overload breaker. Think a regular circuit breaker on a timer, they are used for motors that can start instantly or with a load. example: my old air compressors single phase motor doesn't have a built in thermal overload and uses one...
Starrett, Mitutoyo & B&S. Personally i like Starrett and Mitutoyo both make good pitch gauge sets as others have said. I once bought a cheapo set that had both metric and imperial. I noticed the imperial pitches were good but i had a few of the metric pitches were completely wrong (I compared...
Not always about cam showing "what its supposed to do", cause whose never had an instance where the posted pg has a error generated during the posting process that wouldn't be shown after the verify/simulation says its "good" (had it happen by a freak chance after a software update, but stopped...
If its like a 93 sqt18ms or a 96 qt30 with the roller arms, there should be 4-5 wires under the cover and you should only have to bridge 2 together to close the loop. I found which two they were and spliced a extra wire on each one (outside of the switch under the pannel), and then ran them to a...
I dont think so, no power should equal free spindle. Same for the hyd. Disc brake on the main, no hydraulics no break.
Also you asked about the nut wrench for the main spindle.
It looks exactly like the one for the sub but it measures: 3-1/8” dia x 5.700” oal.
3.100” dia turned back 3”...
Yes. The sub is a servo pack like the main, but it only has dynamic brake like when you orient a spindle or set the rpm to zero, its not very strong so you’ll have to hold jaws with a crescent wrench when installing them. The main being a caxis has both dynamic brake as-well as a hydraulic disk...
1-15/16" dia stock 5-1/16" OAL. Turn 1.870" diameter X 2-1/4" back. boss is .370" wide X 1/4" tall. i drilled a hole to turn it with a spanner or a 1/2" rod.
Also on a 18ms there is no c-axis clamp brake on the subspindle like the one on the main. All thats under the sub paneling in the back is...
Look at shars tool. i cut alot of 304 on my manual lathe an im running a 6 cutting edge Wnmg style insert with the t-type clamp, i was using the tri-lock till i could get the t-clamp and there not bad either just more time swapping an edge. The holders are really nice for the price and the...
Rebuild was around 6-8K. Not including our repair tech putting it back in and re aligning everything or the encoder board. Also it still makes a pulsing sound when the two spindles are synced, might be the spindle drive. Had to have that gone thru not to long before the spindle had to be rebuild.
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