Archive | How do I use a center finder? - Practical Machinist
2000年12月20日 · You said the word center finder, or did you mean the center finder of a wiggler set. If you have one of those double ended edge finder, center finders they can also be used on holes. Be very careful when coming in contact with a hole, lightest of touches will do. These things can wind up on you if you are too heavy handed, light touch will do.
General | Using a center finder? - Practical Machinist
2009年4月14日 · Actually the larger finder do have a use- when you have to hit the side of some big round thing where the edge on the little one hits before the .2 part. I also like .5 bodies and .375 bodies, depending on collets and chucks in use. Finally, I once saw somebody use an edge finder upside down to get to a real low area.
Finding the Edge - Practical Machinist
2018年12月20日 · There are cases where a mechanical edge finder is more accurate than using an indicator. A mechanical edge finder is used with the spindle in motion so it emulates actual machine use. I used to run a jig bore that was extremely accurate but did move .0003″ in the y axis as soon as the spindle was turned on.
General | Wiggler vs Center finder? - Practical Machinist
2022年9月23日 · In trade school we were told that there was a sequence in accuracy of location. That the wiggler was good to (IIRC) about +- .004, the edge finder to +- .001-.002, and the toolmaker's chair type edgefinder if you needed tenths. In practice I use the edge finder almost all the time because I'm working to a dimension from some edge.
Archive | Starrett 828H center finder - Practical Machinist
2005年8月21日 · The other attachments (I have never used) are a small disc-ended piece (0.100"), used like the ball-ended edge finder, but for tight places. Also an angled piece "Offset Indicator Holder" - you can fit your finger indicator to this one. Say you want to true-up your milling vise - this is what you could use to hold your indicator
Edge Finders: Most Recommended Models of 2020 - Practical …
2020年6月19日 · This double end edge finder is made from Hardness Rockwell C (HRC) 58-rated steel for increased durability. The tool features a 1/2” shank and 0.200” head diameter and can locate round or flat work to within .0005” accuracy. Taytools Edge Center Finder Set with Single End, Double End and Cone Tips
Archive | Round bar center finder - Practical Machinist
2006年8月24日 · I have one of thoes "V" center finders. They're Ok for finding center quickly, but they're only accurate to within about .010". I use it to drill holes, mill flats, etc. where accuracy isn't critical. If you want a dead-nuts centered keyway, then you'll have to use an edge finder.
General - Archive | Laser center finder - Practical Machinist
2006年6月13日 · as Forrest says, a gadget would be the led edm-type edge finders. Drawbacks, as kilroyjones states, and bigger problem is lighted edge finder not being perpendicular with machine travel. You guys ever use diamond edge finders? Usually used in jig borers. You use the old trusty Interapid or Compac (if youre big time, a Mahr) (sorry- not the last ...
miracle point vs spi or other for center finder
2012年1月2日 · I am shopping for a decent protractor and center finder to use with layout work on pipes and shafts. A couple of pipe fitters recommended the erick miracle point, a google search showed the SPi 13-244-9 360 Deg. Magnetic Base Protractor Compass Angle & Center Finder. I am using an abused mill with an unreliable dro.
General | optical center finder? - Practical Machinist
2014年3月19日 · A centering microscope is a tool that won't be used often, but when it is needed, it will be for jobs where other methods (like a needle center finder) don't work. To give another analogy, buying one that could not be adjusted to center the crosshairs would be somewhat like buying a set of digital calipers that did not have a button to zero the ...