Tramming a milling machine - square a spindle on J head bridgeport mill - Pro Tram - Edge Technology

Pro Tram System by Edge Technology
The Pro Tram is a machinist tool that allows you to easily square the spindle of your milling machine. With this gage the process of tramming is greatly simplified and can be completed in a fraction of the time compared to conventional tramming techniques. We guarantee that the Pro Tram will take the hassle out of tramming a milling machine. The Pro Tram system eliminates the need swing your indicator back and forth 180 degrees during tramming procedure. Just adjust the head until both gages read the same number and you can be certain that your spindle is perfectly square. Designed for use with Bridgeport style milling machines and CNC mills.
• Large 2.2" easy to read indicator face.
• Gage repeatability 0.0002"
• Large 5" distance between indicators to ensure that the mill head is as square to the table as possible.
• Calibration gage block included.
• Large 1/2" shank.
• Durable padded case included.

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[RofArk]

I am retired tool maker after 42 years and I made one of these at least 30 years ago! make your own and OH!, remember to tighten your table locks too!

[adrewfis]

For the love of Christ compels us, because we judge thus: that if One died for all, then all died; 15 and He died for all, that those who live should live no longer for themselves, but for Him who died for them and rose again.

16 Therefore, from now on, we regard no one according to the flesh. Even though we have known Christ according to the flesh, yet now we know Him thus no longer. 17 Therefore, if anyone is in Christ, he is a new creation; old things have passed away; behold, all things have become new. 18 Now all things are of God, who has reconciled us to Himself through Jesus Christ, and has given us the ministry of reconciliation, 19 that is, that God was in Christ reconciling the world to Himself, not imputing their trespasses to them, and has committed to us the word of reconciliation.

20 Now then, we are ambassadors for Christ, as though God were pleading through us: we implore you on Christ’s behalf, be reconciled to God. 21 For He made Him who knew no sin to be sin for us, that we might become the righteousness of God in Him. 2 Corinthians 5:14-21

[bozoable]

I think this is a waste of money. I got by with out one for 40 years and counting. An indicol and a test indicator works just fine.

[dresser]

Been a Machinist for 38 Yrs   been using a 1/4 piece of round stock approx 6inches  long. and bent about 2 inches of it on a 45deg angle  use a drill chuck or 1/4 inch collet and a starett  last word indicator and a small gauge block sweep it over the table and adjust the head . but this tool looks much better and much more easy to use

[und]

Readjust the Knee gibs. Usually on the left as you look at the machine next to main casting of the mill. An easy way to check squarness of the head without checking it with any indicators, is to take a razor sharp endmill, or sharp fly cutter and take a cut off of a aluminum piece. If you see a crosshatch pattern
behind the cutter, the head is square. If you see a pattern that's not crosshatched you need to tram it in.. If any gibs need tweaking do it now. Then tram. Thanks folks

[firstbaldwin]

THANKS for proving / demonstrating what I have said for years. Bridgeports are NOT not really precision milling machines, they are UTILITY milling machines, IF REAL precision is needed the machine work is done on jig bore where the ways are bigger than the bed, not the other way around like on a bridgeport mill.

[grahambeasley]

this is bogus. It does not take into account any spindle runout, you have to get it to read the same in all four directions, only one reading does absolutely nothing.

[sevenhornets]

I bought mine a month ago and it has been the best $100 I've spent in a long time. Fast easy and accurate.

[dgwbuildwright]

you can use just one dial indicator on a single extended length of bar to achieve the same got to rotate it though

[jaysilverheals]

its not that this would not work--nobody thinks that and I hate to knock a product of fellow machinists but I challenge anyone to a tramming contest and they use the double indicator..

[purplelightswitch]

seeing how atleast one of you are in school at this time. Thought i would give you a little tip on milling machines especially J type bridgeports. "Never mill anything with the Quill extended more than 2" this is what causes the Quill to start dragging and there for the return spring doesn't work.

[TehkNinja]

I fucking hate tramming in a Bridgeport. I spent an hour tramming in a machine and I found out every time I raised the knee to reset 0 the table slid sideways....

[armando]

if its edge technology who made this product then I will surely buy one. I always trusted them when it comes to quality

[rickybh]

Got my Pro Tram System in the mail today and it took me only about 3 minutes to align the head of my milling machine. Thanks very much! :)

[purplelightswitch]

Also if you have a machine that drags, if you practice this technuiq it will adventually fix itself.

[JASCOBAR]

This seems too obvious a practical instrument that it was not made in WWII and before.

[jamesandrewband]

Great Idea ! This is so much easier than using The bulky EZ tram ! very simple concept.

[johngibson]

I am now posting this on my dads facebook wall for him to be able to watch this.

[arnie]

subscribing..i got mine and life is so easier because of Pro Tram System

[aimeesmith]

I am satisfied with Pro Tram System. A million thanks for the great product