Constructed offset point issue

[MJBolster]

I am a newbie and unfortunately the parts I need to program are complex-Any way I have a constructed offset point that I need for a critical feature on a lot of 40+ parts. The problem is that the point seems to be tied to the measurement envelope of the machine rather than to the part. Like a move point rather than an incremental move point. How can I use an offset constructed point that will adjust to the individual part if possible. I'm
considering using a dummy probe that will clear the part and setting up an incremental move point where I need it then triggering the probe to register the hit- sounds nuts. help please.....

[J Temmen]

Did you offset the point from another feature?

[MJBolster]

The point was offset from another constructed point which was constructed from two measured features.

[J Temmen]

Can you post an example of the program you are in. Can't really visualize what you are trying to do.

[MJBolster]

I can't easily post the program. This might help. The part is basically cylindrical.
The OD is a datum. There is a hole passing into the ID at an angle that must
intersect the Center of the ID at a basic distance from the end of the part and at a basic angle. My first constructed point is at the intersection of the OD (datum) and a plane formed at the end of the part. The second point was
offset from the first point along the axis of the datum cylinder to the basic distance where the angled hole needs to intersect. I can see where a sketch might help.

[BSchwark]

How is your alignment constructed?

BS

[Wes Cisco]

This is how I would do it.

I check cylindrical parts all the time. I would measure the od as a cylinder. Hopefully the face the basic dim comes from is a datum. Measure it as a plane. There should be a rorational feature as well, a datum hole or flat on the face or od. . . (something to establish the rotation of one of the axis) measure that and construct a perpendicular line from that feature to the cylinder. Level part to od cylinder. Rotate to constructed line. Origin two axis at od cylinder, (x & y most likely) and last axis at face. Now measure angle hole as cylinder. It might be easiest to make your start point the theoretical intersect point on the id centerline and reverse the vector of your cylinder. You will also need to measure the id as a cylinder, or measure a circle at each end and conect with a line. Now consturct a pierce point from your angle cylinder to your id cylinder/line. ( you may have to use intersection instead of pierce if you use a line). The z value for that point should be your distance from face dim. Paying attention to workplanes you can get the angle from the anlge hole cylinder to the od, id, or axis as needed. I hope this helps.

[MJBolster]

Thanks- I think I'm on track. The feature I'm trying to verify is well into the
inspection- 30 features into it- so I may do well to do another alignment to
check this feature, but I'm still not sure that the constructed point that I need will track the part. I will spend some time studying your solution.