you prolly dont give a shit but if you guys are bored like me during the covid times you can stream pretty much all of the new series on InstaFlixxer. Have been binge watching with my gf for the last days xD
Thanks for the lecture. Well explained. I have a question on the last example in the video. In component no 2, wouldn't it be a better way to dimension the shaft hole with the hole which aligns with the thread and in component 1 dimension both the treaded holes with each other? In that way you can eliminate 3 added tolerances, making the final axis mismatch a lot smaller.
It always depend on how we dimension the components in our drawing. In vertical one slot has directly defined where is horizontal one the reference of both faces of slot is the end face. See the drawing. This clarifies. So stack-up also helps, how we should dimension in drawing. Let me know if this helps.
In simple assemby of two components its easier to dimension and tolerance the part but suppose its complex and 8 to 10 components are there responsible for a gap in a assembly. It may be possible that all component are at MMC. So gap may become interference then we will have difficulty in assembly. The study of tolerance stackup provides exact isea so we can control before things gets manufactured. Let me know if this makes sense. Thanks
great content sir. But what if I'd like to conduct a tolerance analysis to, say, a gap, then how do I set the expected value of the target dimension for the gap and for its variances?
McTrey Gu , always the dimensions are product of our design, part, size and shape of it. Once we dimensioned our part based on design, we should give tolerances as max as possible to control cost. Then should always do stackup analysis to optimise tolerances to get desired gap or thickness.
Usually we use worst case. If we use six sigma controlled manufacturing, the dimensions must be marked with ST symbol. That is statistical process control symbol. Let me know if further queries.
ankit sribsdd , if it is so, come to the surface of hole from its axis. From one hole surface you can go other hole surface and then come on axis of 2nd hole. This will involve radius of these hole and tolerances. Let me know if anything specific.
.4 dia is not need to be considered. As it is a clearance hole, it can be moved slightly and axis can be aligned. Yes you are correct, 2.56 dia of hole needed in worst case.
In interview they generally ask have you done any calculation like that.. Could you please do any videos related to design calculations for Sheetmetal, castings..
Hi - At time 15.29 Red Shaft has diameter of 1.6. Hole for shaft in Green plate is 1.75. Why did you pick value of 6 for the starting Clearance Hole size ? ? Also why did you not include the Shaft diameter in loop ? ?. I see Smallest hole for shaft is 1.7 and largest Shaft is 1.60 so - there is also a lose fit between the two. Thank you Kindly. Best Regards. Very helpful.
@stockman1963, I pick 6 for example only. I should have taken 1.6 only. It's a loose fit but due axis mismatch it will not fit within. I have calculated axis mismatch rather gap between shaft and axis. Let me know if this clarifies. Thanks
Hi sir ,Ur lecture videos are really knowledgeable ,I have one query can u Pls let me know what should the new hole dia and tolerance Looking for some more lecturers :)
Hole dia should always be more then or equal to BC of shaft. In the example it will be 6.96. as the calculated value is +-.48. let me know if this answers or please let me know if you are asking in some other context
@@TheEssenceofknowledge Sir as per the drawing the hole dia is 1.75 +/- 0.05 now after the calculations the tolerance u have come up is .48 ....now pls tell me what is new hole dimensions .
@@yashvanthyashu2588 sorry I assumed shaft dia as a 6. In case hole diameter is 1.75. its virtual condition would be 1.75-.05-.96 would be shaft size it can accommodate. Just I need to check once it will be .96 or .48. Will confirm you.
really nice lecture. thanks
Thanks for the video, keep posting like these.
Thank you for making this series on tolerance stack up analysis. You’re a great teacher.
Thank you!!
Thousands likes for all this series lectures.
Simple explanation enhanced the understanding of each concept... Thank you very much sir
Thank you!!
really worth leacture
please do such more vedio
Thank you sir it useful to evaryone who does't have sufficient resource to learn.
And We are looking forword.
Thanks for the practical lesson!!
simply superb...
Can you please share the stack up lect - 2 video link
I've read a few times by now that using GD & T in dimensioning holes will eliminate tolerance stack. Would you agree with it?
Not always. Study the assembly.. function rules everything.
I spent time on useful lecture thank you sir.....I'm eagerly waiting for lecture 4
you prolly dont give a shit but if you guys are bored like me during the covid times you can stream pretty much all of the new series on InstaFlixxer. Have been binge watching with my gf for the last days xD
@Juan Corey Yup, been watching on InstaFlixxer for since december myself =)
@Juan Corey Definitely, been using instaflixxer for since november myself =)
Thnks for the lecture sir.
Thanks for the lecture. Well explained. I have a question on the last example in the video.
In component no 2, wouldn't it be a better way to dimension the shaft hole with the hole which aligns with the thread and in component 1 dimension both the treaded holes with each other? In that way you can eliminate 3 added tolerances, making the final axis mismatch a lot smaller.
Yes we should, it is an example.. from stack-up, that is what we get to know..
Can I know in first example why thickness considered in horizontal loop but not in vertical loop.thicknees was know in both cases
It always depend on how we dimension the components in our drawing. In vertical one slot has directly defined where is horizontal one the reference of both faces of slot is the end face. See the drawing. This clarifies. So stack-up also helps, how we should dimension in drawing. Let me know if this helps.
Nice video
Waiting for another lectures with complicated examples on similar topic.
Mrinal Singh , sure
Sir what is exact purpose of finding the gap or (x-y) ..please sir explain in simple language it will really helpful for me
In simple assemby of two components its easier to dimension and tolerance the part but suppose its complex and 8 to 10 components are there responsible for a gap in a assembly. It may be possible that all component are at MMC. So gap may become interference then we will have difficulty in assembly. The study of tolerance stackup provides exact isea so we can control before things gets manufactured. Let me know if this makes sense. Thanks
great content sir. But what if I'd like to conduct a tolerance analysis to, say, a gap, then how do I set the expected value of the target dimension for the gap and for its variances?
McTrey Gu , always the dimensions are product of our design, part, size and shape of it. Once we dimensioned our part based on design, we should give tolerances as max as possible to control cost. Then should always do stackup analysis to optimise tolerances to get desired gap or thickness.
McTrey Gu, let me know if you have a specific case. We can discuss on that.
Sir,When to use worst case method and 6 sigma in tolerance stack up?
Usually we use worst case. If we use six sigma controlled manufacturing, the dimensions must be marked with ST symbol. That is statistical process control symbol. Let me know if further queries.
Sir how will we make a loop diagram if there is simple hole instead of tapped hole in the last example us u demonstrated in this vedio?
ankit sribsdd , if it is so, come to the surface of hole from its axis. From one hole surface you can go other hole surface and then come on axis of 2nd hole. This will involve radius of these hole and tolerances. Let me know if anything specific.
Didn't find 2nd lecture
For example 2, should we take into account the hole diameter .40 +/-.05 in detail B? Should the lower hole diameter in example 2 be at least 2.56?
.4 dia is not need to be considered. As it is a clearance hole, it can be moved slightly and axis can be aligned. Yes you are correct, 2.56 dia of hole needed in worst case.
@@TheEssenceofknowledge it will be 2.66 not 2.56, am I right?
@@pakiyaa how you arrived to this value. The lower limit of hole should be 1.6+.96
@@TheEssenceofknowledge ok. We have to take shaft/pin's Virtual diameter. That's why it's a 1.6 , right?
@@pakiyaa yes
In interview they generally ask have you done any calculation like that.. Could you please do any videos related to design calculations for Sheetmetal, castings..
Sure.. in process
Please explain 3DCS in creo extension
sure, thanks will try to do so.
The gap which we got in example 1 is. 05+/-0.075. This value is diameter or radius? the One side gap or two side gap? Please explain.. You are awesome
Can I have ur no
Hi - At time 15.29 Red Shaft has diameter of 1.6. Hole for shaft in Green plate is 1.75. Why did you pick value of 6 for the starting Clearance Hole size ? ? Also why did you not include the Shaft diameter in loop ? ?. I see Smallest hole for shaft is 1.7 and largest Shaft is 1.60 so - there is also a lose fit between the two. Thank you Kindly. Best Regards. Very helpful.
@stockman1963, I pick 6 for example only. I should have taken 1.6 only. It's a loose fit but due axis mismatch it will not fit within. I have calculated axis mismatch rather gap between shaft and axis. Let me know if this clarifies. Thanks
@@TheEssenceofknowledge Thank you. very helpful for me.
Dear sir in this end of video you have multiplying 2 with 0.48 why?
because the gap in radial i.e. ±. So for diameter we are doing that. let me know further query. thanks.
Thank you very much
Hi sir ,Ur lecture videos are really knowledgeable ,I have one query can u Pls let me know what should the new hole dia and tolerance
Looking for some more lecturers :)
Hole dia should always be more then or equal to BC of shaft. In the example it will be 6.96. as the calculated value is +-.48. let me know if this answers or please let me know if you are asking in some other context
@@TheEssenceofknowledge
Sir as per the drawing the hole dia is 1.75 +/- 0.05 now after the calculations the tolerance u have come up is .48 ....now pls tell me what is new hole dimensions .
@@yashvanthyashu2588 sorry I assumed shaft dia as a 6. In case hole diameter is 1.75. its virtual condition would be 1.75-.05-.96 would be shaft size it can accommodate. Just I need to check once it will be .96 or .48. Will confirm you.
@@TheEssenceofknowledge thank you so sir much for Ur immediate responses,,:)sure ill b waiting
Basic hole for shaft was 1.75 +/- .05 ( part of below)
Please see the reply and let me know if that helps
waiting for Lecture 4
ravi kiran , coming soon.
When you will upload lect-4, iam waiting for that sir
Hi Ravi, It is statistical tolerance stuck-up. Will be upload till this friday or before. Thank you.