Perpendicularity or Squareness is vital to the CNC or Milling of Many Part Features. Tooling is vital to gages, fixtures, jigs and automated stampings and mold making operations in process-manufacturing. A Great Video-Thanks! T J (Tom) Vanderloop, Author, Technology-Instructor & SME Life Member/Leader!
The vast majority of the parts that I made were less than an inch or two in size, so I was never faced with that. It would require larger V Blocks and squares than I have.
I like the basic idea of how you check the perpendicularity, but to check repeatability of the indicator - turn the bezel of the indicator so you are reading zero. By using the jack scew on the base, you are introducing error in the slack of that screw.
Question - if the print called out for Perp. .003 A and the UOS tolerance was .XXX = +/-.005 Would the perpendicularity be measured within .000-.003 range or would the +/-.005 come into play and allow the total perpendicularity to be +.008-.-002? Thanks.
that works,if you have that setup; how about clamping a machinist's square to one important side of the piece,resting the other important side of the piece on the stone,and running the indicator horizontally across the square,on the top?
Sir, you are a wonderful man for showing us this. Thank you kindly.
Perpendicularity or Squareness is vital to the CNC or Milling of Many Part Features. Tooling is vital to gages, fixtures, jigs and automated stampings and mold making operations in process-manufacturing. A Great Video-Thanks!
T J (Tom) Vanderloop, Author, Technology-Instructor & SME Life Member/Leader!
These videos are excellent! I use them in my GDT class.
I made them up for use in my classes as well.
The vast majority of the parts that I made were less than an inch or two in size, so I was never faced with that. It would require larger V Blocks and squares than I have.
I like the basic idea of how you check the perpendicularity, but to check repeatability of the indicator - turn the bezel of the indicator so you are reading zero. By using the jack scew on the base, you are introducing error in the slack of that screw.
Great easy way to check it
I'm a mold maker and do this for a living good luck
Question - if the print called out for Perp. .003 A and the UOS tolerance was .XXX = +/-.005 Would the perpendicularity be measured within .000-.003 range or would the +/-.005 come into play and allow the total perpendicularity to be +.008-.-002? Thanks.
How to use this technique for linear long parts horizontally?
thank you
that works,if you have that setup;
how about clamping a machinist's square to one important side of the piece,resting the other important side of the piece on the stone,and running the indicator horizontally across the square,on the top?
That would work, but only in the axis in line with the square. The other axis would show parallelism with the surface resting on the plate.
What make is the stand that you are using to hold the dial indicator in this video, what brand of dial indicator are you using?
+Zak The surface gage is of my own design and manufacture. The indicator is a Teclock .
Thanks, how much pressure do you put on the ball to check run out? I'm using a ten thousands indicator. My Max run out is 2 thou.
I adjust the indicator so that it sees about .001 or .002 movement when it contacts the work piece.
Man u have to move work piece , not not Vernier with dial gauge 😂
That is one of the worst ways I've ever seen if you are reading this and are trying to do this you should look elsewhere