Mechanical Engineering Exam > Mechanical Engineering Videos > ECM Machining Process to Find Out MRR (GATE Previous Year Question), Mechanical Engineering, GATE
ECM Machining Process to Find Out MRR (GATE Previous Year Question), Mechanical Engineering, GATE Video Lecture
FAQs on ECM Machining Process to Find Out MRR (GATE Previous Year Question), Mechanical Engineering, GATE Video Lecture
| 1. What is ECM machining and how does it work? |  |
| 2. How is Material Removal Rate (MRR) calculated in ECM machining? | |
Ans. Material Removal Rate (MRR) in ECM machining is calculated by dividing the volume of material removed by the machining time. It is given by the formula MRR = (K * I * A * V) / (E * t), where K is a constant, I is the current, A is the area of the workpiece, V is the voltage, E is the equivalent weight of the material, and t is the machining time.
| 3. What factors affect the Material Removal Rate (MRR) in ECM machining? | |
Ans. Several factors can affect the Material Removal Rate (MRR) in ECM machining. These include the current density, electrolyte concentration, temperature, electrolyte flow rate, tool feed rate, and the physical properties of the workpiece material. Higher values of these factors generally result in a higher MRR.
| 4. What are the advantages of ECM machining? | |
Ans. ECM machining offers several advantages. It can machine complex shapes with high precision, even in hard and brittle materials. It does not generate heat or mechanical stress, which reduces the risk of workpiece damage. It can also be used for materials that are difficult to machine using conventional methods. Additionally, ECM machining does not require the use of cutting tools, resulting in longer tool life and reduced tooling costs.
| 5. Are there any limitations or drawbacks of ECM machining? | |
Ans. ECM machining also has some limitations. It is not suitable for machining conductive materials, as they can act as a short circuit in the electrolyte. The process is also relatively slow compared to other machining methods. Additionally, ECM machining requires careful control of process parameters and the electrolyte composition, which can be challenging. The equipment and setup costs can also be relatively high.
Text Transcript from Video
so gel kumar's and on in this video
total you are going to learn about in
ECM that stands for electrochemical
machine so yes I am NOT going to share
with you what is we going to want that
you know every very well about it but
here if you don't more than you can get
from any book or anything else and
resources you can use but here what I am
going to share with you only problems
related to kit and what exactly required
to solve problems I am going to share
with you so today in this video taught
when we learn about ECM and how to find
out M R R that means material removal
rate of these electrochemical machining
okay so basically material removal rate
is denoted by Q and we know that Q is
equal to a I is equal to Rho Chad F
don't worry I'm going to share with each
and everything what are these things
about what is a basically it's gram
atomic weight is gram atomic weight I is
here if you are talking about this I
that is known as current and this should
be in ampere
now let's move to next one Rho is
density and the image of density would
be in grams centimeter cube remember
that now Jed this is known as balance of
the cation balance of the cation now the
last one that is AB this is known as
static constant
Faraday's constant and its value is 965
double zero CU Coulomb co e 100mbs so
this is this is all about finding out
material removal rate of this machine
now I would like to share with you
another thing that is also important
okay so what is that basically that is
equivalent weight I will share with you
a couple of more portions those has been
asked in this topic only that I will
have
as well as you will come to move
formulas who what required
so from this formula only we can come to
know what is this you will and do it
that is there by eight
Chadwick a is known as equivalent do it
so you know joy if he by chest is a by
judge is known as equivalent way so what
is a mystical a share with you grab
atomic weight dad is known as balance of
the sky okay so maybe I mean over many
books they have said that this will
balance in all that but yes balance of
cation is that I think okay so this is
all about the simple information about
into chemical machine that means the
formula and what are things we have
desiring this formula now will go for
the new medical problems what I wanted
to share with you that is numerical
problems those already asking gate so I
am sorry you are interested to learn
those numerical problems right so let's
go for it
so here we have in there is a question
in front of you right now
now as I share with you in this
daughter'll you are going to learn about
only finding out you know by using that
formula what we have to find out
we have weekend things right so here as
an end of this question you can see we
have to find out material removal rate
so the formula for but but but the met
what do you have to find out the current
at NPR required for achieving this
material ever met material removal rate
and this is an ampere so what we have to
find out basically that is current we
have to find out but we need to know
this formula m RR what is the formula
for mr that is I have already seen he I
I pay for you know atomic weight equal
say I use current is equal to Rho by Rho
Chad
F so this is the formula for this now we
have to find out I so I can say Q is
known as mr so Q into Rho Z F Phi e is
equal to I now what is Q what is Rho
what is that if I will put it in the
right way and this
I am going to get this on now what is a
basically 56 atomic weight is 56 right
now what we have to do we have to just
calculate other mum just have to put
values of other things once we will put
all values and things will become quite
easy now what we have this one material
invalid but again remember this is of
course Q is in centimeter cube but in
per second but is given per minute
that's why I have to do this to were 60
Rho D that is density density is given
7.8 JD's valency that is 2 and F is 9
6500 that is known as Faraday's constant
965 is in the column so what we require
right now cause of the problem that is a
calculated right so here is the
calculator I have right now to divided
60 multiple 7.8 multiple to multiple
96500 divided 56 how much hitting em
right now
9 6 0 7 amp there right so this is a
unit of current so you can see the
answer right now but it also here C is
the right answer for this question okay
so this is a question for finding out a
method a means for current as well as
you know that's the first formula for
for the formula we are using that is
material removal rate of electrochemical
machining electrochemical machine so
let's go for the next question in this
topic Anjali mean in this you know
machining process only so again we are
going to solve this question and this is
you know one one of the most important
thing I would like to share with you if
you are preparing for gate than ECM is
most important let me just this is most
important machining services I will we
have asked quotient from this machining
process couple of times has been other
machining process right so we need to
learn each and everything about this
machining process I am going to share
with you step by step in different
different videos that's why you can
learn each and everything about this you
see em but one by one if I will tell you
together then probably you are not going
to
things in a right way so it will take
time and definitely our share with you
each and everything about this machining
process so risk go for this no medical
problem so first of all we need to find
out what we need to find out the problem
at the end of the video edge of the edge
of the question what we have even m RR M
R that is means Q but again image we
need to look at in it in general the m
RR m RR unit we have is that is known as
centimeter cube per second right
why do you given gram per second gram
per second that is important now let's
do that look at the formula Q is equal
to a by Rho Z F now Q is in centimeter
cube right second okay so we have to get
this image gram per second okay no
problem so let's put all values what we
have given in this formula
first of all a is atomic weight okay
okay no problem
now the term equate we have given for
properties 63 I is we have given ampere
5000 and Rho we don't have given because
we haven't find out Jack Palance
solution is 1 and F is 9 6 5 w right so
when we don't have even row okay don't
worry just just and this row to this
side this n so what we got here Q into
Rho is equal to 63 into 5000 divided by
9 6 5 w right yeah you can see so 63
multiple 5000 divided by 9 6 5 double 0
is equal to this much how much getting
values I am 3.26 now I have to look at
it see you need so if you need Q image
of Q is centimeter cube per second
density is mass by volume guru gram per
centimeter cube is a little tensed so
gram per second so if you watch this
this is the unit of this thing is gram
per second which is we're acquiring this
portion so the answer we are getting
three point six two
that means receive the right armor what
exactly we want to do find out now the
next step is work we have to do we have
butchered the sands we have given in the
question so you can L see we can see
this is the right answer for this
quotient are also numbers me yeah so
it's not most important thing in this
topic is what is most important that is
the formula of mr r once you will come
to know the formula list understand all
things we have in this formula and one
more thing I would like to share with
you programming any questions then you
will they will tell you V is equal to IR
relation so they they will probably give
you this density is equal to mass by
volume so they can have they can relate
these things together to confuse or to
you know to make the problem it will be
difficult so you need to understand
where is exactly relation between
formulas so that is the most important
thing to solve numerical problem so I
hope you got something new from this
video taught well and see you soon in my
next video taught well uncie or this
this the next one would be much better I
will will help you a lot like this one
ok so if you like the total subscribe my
channel thanks for watching see you soon
next to my page Emma in my next video
bye
total you are going to learn about in
ECM that stands for electrochemical
machine so yes I am NOT going to share
with you what is we going to want that
you know every very well about it but
here if you don't more than you can get
from any book or anything else and
resources you can use but here what I am
going to share with you only problems
related to kit and what exactly required
to solve problems I am going to share
with you so today in this video taught
when we learn about ECM and how to find
out M R R that means material removal
rate of these electrochemical machining
okay so basically material removal rate
is denoted by Q and we know that Q is
equal to a I is equal to Rho Chad F
don't worry I'm going to share with each
and everything what are these things
about what is a basically it's gram
atomic weight is gram atomic weight I is
here if you are talking about this I
that is known as current and this should
be in ampere
now let's move to next one Rho is
density and the image of density would
be in grams centimeter cube remember
that now Jed this is known as balance of
the cation balance of the cation now the
last one that is AB this is known as
static constant
Faraday's constant and its value is 965
double zero CU Coulomb co e 100mbs so
this is this is all about finding out
material removal rate of this machine
now I would like to share with you
another thing that is also important
okay so what is that basically that is
equivalent weight I will share with you
a couple of more portions those has been
asked in this topic only that I will
have
as well as you will come to move
formulas who what required
so from this formula only we can come to
know what is this you will and do it
that is there by eight
Chadwick a is known as equivalent do it
so you know joy if he by chest is a by
judge is known as equivalent way so what
is a mystical a share with you grab
atomic weight dad is known as balance of
the sky okay so maybe I mean over many
books they have said that this will
balance in all that but yes balance of
cation is that I think okay so this is
all about the simple information about
into chemical machine that means the
formula and what are things we have
desiring this formula now will go for
the new medical problems what I wanted
to share with you that is numerical
problems those already asking gate so I
am sorry you are interested to learn
those numerical problems right so let's
go for it
so here we have in there is a question
in front of you right now
now as I share with you in this
daughter'll you are going to learn about
only finding out you know by using that
formula what we have to find out
we have weekend things right so here as
an end of this question you can see we
have to find out material removal rate
so the formula for but but but the met
what do you have to find out the current
at NPR required for achieving this
material ever met material removal rate
and this is an ampere so what we have to
find out basically that is current we
have to find out but we need to know
this formula m RR what is the formula
for mr that is I have already seen he I
I pay for you know atomic weight equal
say I use current is equal to Rho by Rho
Chad
F so this is the formula for this now we
have to find out I so I can say Q is
known as mr so Q into Rho Z F Phi e is
equal to I now what is Q what is Rho
what is that if I will put it in the
right way and this
I am going to get this on now what is a
basically 56 atomic weight is 56 right
now what we have to do we have to just
calculate other mum just have to put
values of other things once we will put
all values and things will become quite
easy now what we have this one material
invalid but again remember this is of
course Q is in centimeter cube but in
per second but is given per minute
that's why I have to do this to were 60
Rho D that is density density is given
7.8 JD's valency that is 2 and F is 9
6500 that is known as Faraday's constant
965 is in the column so what we require
right now cause of the problem that is a
calculated right so here is the
calculator I have right now to divided
60 multiple 7.8 multiple to multiple
96500 divided 56 how much hitting em
right now
9 6 0 7 amp there right so this is a
unit of current so you can see the
answer right now but it also here C is
the right answer for this question okay
so this is a question for finding out a
method a means for current as well as
you know that's the first formula for
for the formula we are using that is
material removal rate of electrochemical
machining electrochemical machine so
let's go for the next question in this
topic Anjali mean in this you know
machining process only so again we are
going to solve this question and this is
you know one one of the most important
thing I would like to share with you if
you are preparing for gate than ECM is
most important let me just this is most
important machining services I will we
have asked quotient from this machining
process couple of times has been other
machining process right so we need to
learn each and everything about this
machining process I am going to share
with you step by step in different
different videos that's why you can
learn each and everything about this you
see em but one by one if I will tell you
together then probably you are not going
to
things in a right way so it will take
time and definitely our share with you
each and everything about this machining
process so risk go for this no medical
problem so first of all we need to find
out what we need to find out the problem
at the end of the video edge of the edge
of the question what we have even m RR M
R that is means Q but again image we
need to look at in it in general the m
RR m RR unit we have is that is known as
centimeter cube per second right
why do you given gram per second gram
per second that is important now let's
do that look at the formula Q is equal
to a by Rho Z F now Q is in centimeter
cube right second okay so we have to get
this image gram per second okay no
problem so let's put all values what we
have given in this formula
first of all a is atomic weight okay
okay no problem
now the term equate we have given for
properties 63 I is we have given ampere
5000 and Rho we don't have given because
we haven't find out Jack Palance
solution is 1 and F is 9 6 5 w right so
when we don't have even row okay don't
worry just just and this row to this
side this n so what we got here Q into
Rho is equal to 63 into 5000 divided by
9 6 5 w right yeah you can see so 63
multiple 5000 divided by 9 6 5 double 0
is equal to this much how much getting
values I am 3.26 now I have to look at
it see you need so if you need Q image
of Q is centimeter cube per second
density is mass by volume guru gram per
centimeter cube is a little tensed so
gram per second so if you watch this
this is the unit of this thing is gram
per second which is we're acquiring this
portion so the answer we are getting
three point six two
that means receive the right armor what
exactly we want to do find out now the
next step is work we have to do we have
butchered the sands we have given in the
question so you can L see we can see
this is the right answer for this
quotient are also numbers me yeah so
it's not most important thing in this
topic is what is most important that is
the formula of mr r once you will come
to know the formula list understand all
things we have in this formula and one
more thing I would like to share with
you programming any questions then you
will they will tell you V is equal to IR
relation so they they will probably give
you this density is equal to mass by
volume so they can have they can relate
these things together to confuse or to
you know to make the problem it will be
difficult so you need to understand
where is exactly relation between
formulas so that is the most important
thing to solve numerical problem so I
hope you got something new from this
video taught well and see you soon in my
next video taught well uncie or this
this the next one would be much better I
will will help you a lot like this one
ok so if you like the total subscribe my
channel thanks for watching see you soon
next to my page Emma in my next video
bye
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