How to calculate Bend Length.

How to calculate Bend Length. ‪@technicalstudies.‬
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[@danjarvis6980]

So to calculate the 45 deg. bend length we multiply the 90 deg. bend length by 0.5 x 785 mm= 392.5 mm . Using length of arc gives 0.01745 x Deg. x Rad = 0.01745 x 90 x 500 = 785.25 mm. for the 90 deg. bend: rounding to 785 mm. Excellent vid with exceptional clarity and no stupid music. Well done !!!

[@complexunity4533]

Another way to do this is Radius x 2 x 3.14 / 4 (90deg) R x 2 x 3.14 / 8 (45deg)

[@user-pd9wj5dx9j]

Отличное видео и практический урок!

[@technicalstudies.]

Thanks Bro.

[@user-fo6vw9yk7j]

Se agradece la Cátedra.
Lo saludo con afecto y con respeto.

[@johncarey423]

Is that a typo on the first slide where it says 500mm, shouldn’t it be 570mm, same as radius? Thanks

[@satishsingamsetti1619]

Hi sir
How calculate any bend outer radius and center radius please explain me

[@ridwanhusainishraq]

How to calculate punch size? Which length do we need to consider for that?

[@vanislander420]

Mead diameter x π x angle of return ÷ 360 = Arc length

[@technicalstudies.]

(mean diameter x pi /360) x wanted degree.

[@kaylabeckles]

We use the formula for the length of a sector in degrees then...thanks for cutting the fluff...how much extra do we add is there a formula for that too?

[@technicalstudies.]

50 to 100 mm depending the diameter of the pipe.

[@designpc1404]

thank you

[@technicalstudies.]

Thank you, bro.

[@JC-un4bg]

When bending tube it can shrink or stretch on that centreline. That needs to be taken into account for greater accuracy

[@technicalstudies.]

You are right Bro, that is why we need to give extra length

[@JC-un4bg]

@@technicalstudies. I do
A test peace at 90 to see . Say it’s a 100 mm clr that’s a diameter of 200 x pie =628.3 divided by 4 to give you the length in the bend = 157 . If you start with 1000mm then start the bend at 200 mm after that bend you should have 643 . Now that can shrink or reach . Say grew and stretched 5mm. Add 5mm to 157mm =162mm and divide by 90 . Gives 1.8 mm that how much you need per degrees. It’s hard to explain in written form . But it’s actually very simple. Then you just offset it for your takeoff.

[@kaotixorder]

so if i'd like to make 2 each 90degree bend on the opposite end of a tube, i need to add 2x162mm?
how to calculate, say, to have 2 90degree bends on the opposite end of a pipe, _i mean to aim like ︹ shape_, with 50mm straight at the start and end of the pipe, and end up with 1050mm distance between each ends, with 45mm as the radius?
how many mm length of a straight pipe to get that goal?
please help cos math is never my forte 🙏🏻 thanx in advance ☺️

[@JC-un4bg]

@@kaotixorder you want 50mm after the bend finishes . The Arc length of 45 mm rad at 90°. Is 90÷360 . That by 2 then x that answer by pi then x that by 45 .

[@JC-un4bg]

@@kaotixorder also work with center lines

[@MajeesTechnicalServices]

nice

[@technicalstudies.]

Thank you bro

[@skcreationshandembroidery6832]

Thanks

[@technicalstudies.]

Thank you Bro.

[@matejvidovic9026]

how can outer radius be greater than pipe diameter?

[@technicalstudies.]

Your question is not clear Bro.

[@valerielopez-ml7pg]

Can you Plase explain 3.14 and 360 .?

[@zacharytuttle5618]

3.14 is approximately pi sort of a magic number for circles.
360 is the total number of degrees in a circle, so dividing by 360 gives you the length per degree, and then multiplying by the number of degrees (90 or 45 in this case) gives you the total length.

[@squirrelmageddon4479]

So if inner radius is given add half the material thickness to the radius?

[@technicalstudies.]

Yes Bro.

[@esahakansari36]

Rolling pe video bane sir

[@technicalstudies.]

Already uploaded www.youtube.com/@technicalstudies./videos

[@alcavil421]

i have a doubt in the end of video you said you need to add extra lenght? what does it mean? are not we doing this to calculate the extra lenght?

[@technicalstudies.]

Bro, please watch the video carefully, you will get the answer.

[@JC-un4bg]

@@alcavil421 most of the time the material stretches . So you don’t . Need to material. . I’ll explain what you need to do in order if you were typing into a calculator. For arc length. The degrees of what bend you need to make divided by 360
Times pie times two times radius of the tool you’re using. The take off . Is the answer of 10 of half the bend times the radius of the tooling?

[@user-qo2gs7jn1q]

한글 번역 안될까요
please

[@technicalstudies.]

Very very very sorry Brother. Can not you change the sub title to Korean?

[@williamsantiago7303]

🤔What? Ya lost me

[@user-qo2gs7jn1q]

please translation to Korean language

[@technicalstudies.]

Sorry Bro. I dont know Korean language.

[@kjo8164]

hello thanks for your videos... how to calculate extra?