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I'd like there to be a Flip option during the Mate/Flush command. I know I should pay more attention to the order I pick them in, but I often don't. So instead of Cancel and do it again, or enter a negative value, a simple Flip Mates button would be great.
I assume this has already been posted several times, but it gets annoying.
Have the option to "FLIP" the constrained value to the other direction. Seems like no matter the order the parts are selected, One will have to
put a negative value in the constraint to make it go in the direction you desire. To avoid this, just type in the value, and then pick a button like in the pattern for the side to offset to.
This way nobody has to worry about the selection order or having negative values in the constraints. It will just flip-flop between directions.
I have this issue at least 10 times a day. Also, this happens with the angular constraints as well. I would just like to have an angular constraint placed at 20° but, because I guess I picked the wrong part first I have to place the constraint at -160°. I cannot stand this because it makes it very difficult to write a calculation to deliver the value to the constraint's parameter.
In that "other cad system" there is an option/button when mating called "Other Soultions". All you did was just click the button and all other soultions would preview... worked with any mate type that had more then 1 solution such as mate,angle, tangent and insert.. If I remember rite who cares if its negitive or positive, just put it X number of inchs away from selected surfaces and let the computer keep track of the negitive/positive values. Have Inventor just preview one of the solutions then click OK, or click "Other solutions"...
Inventor NEEDS the ability to flip the direction of mate constraints. In a manufacturing company, the dimensions you place on a weldment are those dimensions that need to be held by fixtures. In the example above, there is no way for us to hold the opposing faces of the 2 parts shown other than by entering a negative value, in this case -4 inches. That may not be a problem for some, but at our company, many of our assemblies are iAssemblies. Our .idw drawings of these iAssemblies then have charts, which are driven by the iAssembly. For example, perhaps we have a family of assemblies similar to what is shown. Assembly-001 has the parts at 4 inches as shown, but Assembly-002 has the faces spaced apart 6 inches. Our charts now show negative values, which is confusing and not correct. Inventor, we need a fix. Either allow us to flip the direction of faces in the mate constraint, or at minimum allow absolute values in .idw charts (note, the chart in the iAssembly would remain -4)
There is an option in the "Place Constraint dialog box":
I don't know how it is named in english, and I didn't find it in the online help...
If this option is turned on, Inventor automatically chooses mate or flush (depending to the current orientation) and puts the currrent offset value to the offset input box.
Paul, yes I can change the mate to the other type, but that often doesn't do it. It's more about the order of the faces chosen. In the picture shown I should have picked the end of the channel member 1st and then the part plane 2nd so that I could enter a positive value for the Offset. It just makes it neater when looking at the assembly in the furure, when it might not be me. Eeek!!! So a Flip Order button would fix that problem, as would me picking them in the correct combination.
Ralf, yes I see Predict Offset Aand Orientation button, and sometimes use it. That's not what I'm after either.
I belive the OP is looking for a swicth to flip between the solutions when multiples exist. Solidworks has this, and it is very handy. In IV, I deal with this by completing the constraint, and then using the rotate part tool to rotate it close to its correct orientation. Then hit update and it should pop into the correct spot. It works, but a flip tool in the constraint dialog would be great.
This is also the reason why I don't like the Assemble command and the new Joint command. They force you to select components in the order you don't like, and therefore force you to enter a negative offset value.
When I say Flip I mean to change the order of the face selections, so in a Flush constraint pick 1 becomes pick 2 and 2 becomes 1. Because the order the faces are selected affects the offset (if any). In a Flush constraint with a positive offset pick 1 is retracted (or behind) pick 2. So the post idea is to have a FLIP SELECTIONS button to make pick 1 pick 2 and pick 2 pick 1. Then the positive offset value changes the offset from behind to in front.
ah yes - I guess I misunderstood. Sorry about that.
I have always picked the loose part as selection 1 and the stationary part as selection 2. For example abolt is selection 1, the hole is selection 2. If one gets in the habit of doing it this way, it makes it very easy to trouble shoot later.
I know this is off topic, but thought I wouls mention it.
What if you didn't have to force a mate or flush orientation at all if you didn't want to? This would give us much more flexibility when we want/need it. We wouldn't have to flip-flop constraints between mate and flush when all we really want them to do is make two planes even with each other (or have an offset) while letting OTHER constraints determine the orientation.
Great idea. It would save time and typing f they could include a 'flip' button. In effect, all they would need to flip button to do is functionally add or remove the negative symbol from the dimension.
