Mech.mindsolutions

Question of the day

Printing plate.
How the plate prepared?

Vernier caliper
Welcome you

We use vernier caliper for measuring thickness,length,outer diameter,inner diameter and depth of object.
On vernier two type of scales present one is main scale and second is vernier scale.
0.02mm is least count (minimum value that we can measure with the help of vernier caliper) of vernier caliper.
We can measure in mm and inches with the help of vernier caliper.
Its a Mechanical vernier caliper in picture but nowdays digital vernier caliper also available in market.
Material- Carbon Steel

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Reducer-
In our previous post you learn about Reducer and concentric reducer,in this post we learn about ecentric Reducer.
Eccentric reducer-
Its use where we want top or bottom of pipe should be in same axis when we change size of same pipe line without any break.The center axis of ecentric Reducer inlet or outlet never same but top or bottom (any one ) axis will same because of this type of design we can easily use ecentric reducer horizontal.Very small amount of air accumulate in this type of ecentric reducer because of design thats why ecentric reducer always use in pump suction.
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Reducer.
It is use when we need to change pipe size in same line.
Example- if we use 6" pipe line and we need more pressure at discharge so inlet of line is 6" and outlet of line will be 4".to change the size of pipe without any break we will weld a 6"*4" reducer.6" dia side will weld with 6" pipe and 4" dia side will connect with 4" pipe .Reducer have two dia one is large and second is small.
We use two type of reducer's
1).Concentric reducer
2). Eccentric reducer
Concentric reducer.
A concentric reducer is used to join pipe sections or tube sections on the same axis.
Due to same axis of center the top and bottom of both pipes(6"&4") never same in axis but centre axis will always same because of this problem mostly time concentric reducer use in vertical line.
It is mainly use at outlet of pumps.
Why we not use it in suction of pumps?
Ans-Most of time suction line fluid pressure is very low so air can be accumulate and Because of its design air accumulation will happen if air present in suction of pump so pump can be damage and pressure also reduce that's why we don't use concentric reducer at suction of pumps.
So what type of reducer we use in suction of pumps and why?
Ans-Please look our next post you will get your answer.
Hope you will understand about concentric reducer.
Thank you
👉

Which one you used yet and like to use.
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