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Download "Cheap Milling Machine Vise is CHEAP!"

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Table of contents
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Table of contents

0:00
Intro
0:34
Unboxing
2:02
First Impressions
2:53
Backstory
5:37
Milling Machine Vise
6:29
Matching Vises
7:46
Unique Body
12:25
Bearing
13:45
Squareness
14:10
Surface Gauge
15:45
Measuring Surfaces
16:33
Establishing the Rules
17:51
The Bumper
19:12
Measuring Squareness
19:55
What if I dont have a surface gauge
20:34
Summary
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Video tags
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Video tags

milling vise
cnc vise
cnc milling vise
ebay vise
cheap import vise
cheap mill vise
squareness
surface plate
indicator
Subtitles
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Subtitles

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  • ruRussian
Download
00:00:13
unless you already read the video title
00:00:15
you are never going to guess what's in
00:00:18
this box i bought another dirt cheap import vice of
00:00:21
dubious quality
00:00:24
specifically a six inch unibcity machine
00:00:27
vise and to be honest have absolutely no idea
00:00:30
why i'm so excited
00:00:32
completely unwarranted
00:00:45
[Music]
00:00:54
like it said on the box this is a six
00:00:57
inch vise
00:00:58
and it's meant to replace the four inch
00:00:59
vise i currently have on the milling
00:01:01
machine the little four inch has been doing
00:01:02
great but it's just a smidge on the
00:01:04
small side for this mill
00:01:06
if all goes well i'll install the new
00:01:07
six inch here and move this four inch
00:01:10
to my manual mill it'll replace this rom
00:01:13
vise absolutely adore this little vise but
00:01:15
the four inch
00:01:16
curt clone is a lot more versatile and
00:01:19
100 transparency here
00:01:21
this thing has picked up a bit of slack
00:01:23
in the fixed jaw
00:01:24
and for the life of me i can't figure
00:01:25
out how to tighten that out
00:01:27
if i hold work too high up in the jaws i
00:01:29
pick up a lot of deflection from this
00:01:31
fix jaw
00:01:32
which ends up in out of square parts i
00:01:34
can't figure out how this fixed jaw is
00:01:36
attached there's a bolt in the top
00:01:38
some kind of adjustment nut another bolt
00:01:40
from the bottom but
00:01:41
everything spins when i try to tighten
00:01:43
it and nothing gets tighter
00:01:44
that however is a story for another time
00:01:47
but what's not a story for another time
00:01:50
is just how massive this new vice is i
00:01:52
mean look at this thing it's silly
00:01:54
box says it weighs 50 pounds and i
00:01:56
believe it i haven't even taken the
00:01:57
plastic off this thing and i'm already
00:01:59
wondering if i shouldn't have gotten the
00:02:00
five inch vice
00:02:05
it's very oily
00:02:10
there's some scratch marks from the
00:02:12
moving jaw
00:02:14
we'll check those out later
00:02:18
the handle leaves a little something to
00:02:20
be desired
00:02:22
the paint's just jumping off of it
00:02:25
first impressions this is probably the
00:02:26
first thing to break
00:02:34
doesn't feel bad maybe a little bit on
00:02:36
the snug side
00:02:41
the pessimist in me is wondering if it's
00:02:43
not tightened a little too much to
00:02:45
maybe hide something not making any
00:02:47
accusations just yet just a dumb guy
00:02:49
talking out loud here
00:02:50
i don't know looks pretty good quick
00:02:53
backstory
00:02:54
this is an ebay vice i paid just shy of
00:02:57
150 for it
00:02:58
including shipping or free shipping i
00:03:01
think as if anything's ever free right
00:03:03
150 that's like
00:03:04
three dollars a pound less than i can
00:03:06
buy raw cast iron for
00:03:08
i don't know how they do it i mean i
00:03:10
kind of know how they do it but just
00:03:11
between me and you
00:03:12
i don't see this race to the bottom
00:03:14
ending well for anyone
00:03:16
and yes i do see the irony in me
00:03:18
contributing to that problem which
00:03:19
brings me to the three questions i see
00:03:21
written all over your faces
00:03:23
first yes i have been eating better and
00:03:25
getting some exercise thanks for
00:03:27
noticing second also yes i have made this video
00:03:30
before
00:03:31
i did a full breakdown and inspection of
00:03:33
the four inch vise when i got it i'll
00:03:34
basically be doing the same here
00:03:36
almost exactly the same in fact i'm not
00:03:39
even sure if i'll release this video but
00:03:41
just in case figured i'd get it all on
00:03:43
camera do all the editing
00:03:44
add graphics tweak the sounds and make a
00:03:47
thumbnail you never know
00:03:49
third and probably most important i hear
00:03:52
you all asking your collective self this old
00:03:55
tony now that you're a youtube
00:03:57
millionaire sex symbol rock star why are
00:03:59
you wasting your time with a cheap vice
00:04:01
like that
00:04:02
it's probably junk you know it we know
00:04:04
it why not just get a curt
00:04:06
orange or whatever high quality usa made
00:04:09
vice my friends that is an excellent if a bit
00:04:12
long-winded
00:04:13
question you ask where do i even start
00:04:15
first
00:04:16
this whole turning good metal into scrap
00:04:19
metal is a hobby for me and although i'm
00:04:21
a strong advocate of always buying
00:04:22
quality when you can that unfortunately
00:04:25
has its limits i probably wouldn't skimp
00:04:27
on
00:04:28
measuring tools or maybe hand tools in
00:04:30
general certainly any tool you reach for
00:04:32
or depend on on a consistent basis but
00:04:34
you have to stretch the clams out where
00:04:36
you can right i mean i have three or four
00:04:38
machines that i'd love to deck out with
00:04:40
all the best stuff and each of those
00:04:42
machines would likely benefit from
00:04:44
two or three different style vices well
00:04:46
you get the point it's a slippery slope
00:04:48
sure if a curt vice just fell in my lap
00:04:51
and
00:04:52
after i got out of the hospital i
00:04:53
certainly wouldn't turn it down
00:04:55
but for what one of those things cost
00:04:57
and i'm not saying they're not worth it
00:04:58
but for what one of those cost
00:05:00
i could buy five of these pick the best
00:05:02
one throw the other four away
00:05:04
and still have money left over for a
00:05:05
nice dinner mind you this would be a
00:05:07
very different story if my livelihood
00:05:10
depended on the quality of my equipment
00:05:12
if i were doing this for a living i
00:05:14
probably wouldn't look at a vice like
00:05:15
this twice
00:05:17
second and probably more important you
00:05:19
should know i suffer from a medical
00:05:21
condition called workshop-induced
00:05:23
financial exhaustion
00:05:24
best not to exacerbate that but hold on
00:05:26
just one minute there
00:05:27
cowboy we're getting way ahead of
00:05:29
ourselves i still don't know if this is
00:05:31
even usable yet
00:05:32
it might not even pass as a chunk of
00:05:34
cast iron for the scrap
00:05:35
bin you may or may not have noticed
00:05:39
not counting the size these two vices
00:05:41
look a little different i'm not 100 sure
00:05:43
on this but this style is typically referred to
00:05:45
as a milling machine vice
00:05:47
and these are cnc vices of course either
00:05:50
one would work in either situation
00:05:52
but the cnc variant has two things going
00:05:54
on first it has no
00:05:56
mounting flanges built in you have to
00:05:58
use hold downs or
00:05:59
toe clamps or some other way to fix this
00:06:01
to your machine table
00:06:03
hopefully you can see this has sort of
00:06:04
the mounting lugs built in and this does
00:06:06
not
00:06:07
i believe this is done so you can get
00:06:08
more of this style vise
00:06:10
on a machine you have more work stations
00:06:12
as it were additional work offsets so
00:06:14
you can run
00:06:15
more parts per setup things you know you
00:06:18
might want to do on a cnc
00:06:19
machine there is one potential catch
00:06:21
here though with this
00:06:22
quality of vice if you want to use it in
00:06:25
sort of a ganged arrangement like that
00:06:29
holy smokes this thing is gigantic if
00:06:31
you buy the big name brands
00:06:32
spend the cash you can get matched vices
00:06:35
meaning their height or dimensions from
00:06:37
the bed is identical
00:06:39
or to within some crazy small tolerance
00:06:41
but if you have two or more vices it
00:06:42
probably pays that they be exactly the
00:06:45
same with these lower cost imports odds of
00:06:47
that happening are probably pretty slim
00:06:49
i guess though they do spec a height
00:06:51
tolerance so who knows
00:06:53
and in addition to not having flanges
00:06:55
these are ground
00:06:56
all over in theory you could mount these
00:06:59
on their sides or
00:07:00
on their top if you had to i don't know
00:07:01
if i'll ever need that but this maho can
00:07:04
be swapped into a horizontal mode
00:07:05
you can do horizontal milling here and i
00:07:07
thought this might be a nice option to
00:07:09
have one thing i do like about these flange
00:07:11
devices that i think i'll miss
00:07:13
is the little gutter they have cast into
00:07:15
the perimeter that helps keep coolant on
00:07:17
the machine
00:07:18
instead of running off your table not an
00:07:20
issue of course on an enclosed
00:07:21
cnc but i don't have one of those on my
00:07:24
smaller mill for example
00:07:26
the rom vice can and has made a mess
00:07:28
when i'm running coolant
00:07:30
even at low flow rates i'm not talking
00:07:31
about those cnc style
00:07:33
fire hydrants any coolant that ends up
00:07:35
onto the table in the t-slots
00:07:37
drains to the coolant pan by the design
00:07:39
of the machine
00:07:40
but the rom vice likes to take a good
00:07:42
portion of that coolant diverted
00:07:44
over the table and right onto my feet
00:07:46
where the four inch vise would catch
00:07:48
that coolant
00:07:49
again in this gutter and run it back
00:07:51
towards the center out these cutouts
00:07:53
and onto the t-slots
00:08:26
i don't know if you're hearing that
00:08:27
hesitation in my eyes but i'm not
00:08:29
finding what i expected to find under
00:08:31
here and it just dawned on me i assumed
00:08:34
unique body
00:08:35
on the box was a typo for a unibody as
00:08:38
in single body you see on this vise how the
00:08:41
fixed jaw
00:08:42
is cast directly into the vice body and
00:08:45
machined all as one part
00:08:46
compare that to the four inch vise where
00:08:48
the fixed jaw is a separate part that's
00:08:51
bolted and keyed onto the body after the
00:08:53
fact
00:08:54
assuming this material and casting is
00:08:56
good unibody
00:08:58
i imagine would be preferred over a
00:09:00
two-piece vice
00:09:01
but now i realize why it's called a
00:09:03
eunuch body this vice
00:09:05
has no ball let's talk just a minute
00:09:09
about this angle lock feature that's been
00:09:11
plagiarized into this vise
00:09:12
see how the nut on this vice crew has an
00:09:15
angled surface
00:09:18
a greasy angled surface the nut that
00:09:21
rides on the screw
00:09:22
engages with the moving jaw via that
00:09:25
angled surface
00:09:27
the inside of the moving jaw has an
00:09:29
undercut that matches
00:09:30
that surface so this sort of hooks on
00:09:34
and drops down it's caught under that
00:09:37
surface
00:09:39
when this style of angle lock or anglock
00:09:42
vise
00:09:43
curt style vise pushes on the moving jaw
00:09:45
when you tighten the screw and squeeze
00:09:47
the vice it's not just pushing straight in
00:09:50
because of that angled surface
00:09:51
half of that clamping force is going
00:09:53
straight down it's holding the moving
00:09:55
jaw
00:09:56
down onto the vice body and that's to
00:09:58
mitigate what's called jaw lift
00:10:00
when you tighten stuff in the jaws of a
00:10:02
vise the vice is closed across the
00:10:04
bottom but
00:10:05
sort of open on the top it's like a
00:10:07
c-clamp those clamping forces tend to
00:10:09
lift this moving jaw
00:10:11
which makes a vice frustrating to use
00:10:13
they don't always lift
00:10:15
depending on where you clamp the part
00:10:16
but jaw lift is something
00:10:18
very real and this ang lock feature this
00:10:21
angle lock feature helps to mitigate
00:10:22
that
00:10:24
thing is the two angled surfaces usually
00:10:27
have like a spherical element between the two
00:10:30
of them like a hardened steel ball
00:10:32
that creates a more efficient transfer
00:10:34
of force from this angled face
00:10:36
to the angled face inside of the moving
00:10:38
jaw you probably can't see it but these
00:10:39
are just rough
00:10:40
cast surfaces i mean really bad stuff
00:10:43
it's like lunar
00:10:44
surface type casting and you can imagine
00:10:46
if those two mating surfaces aren't
00:10:48
clean and parallel the component of that
00:10:51
force that pushes down
00:10:52
well i guess even pushing in could try
00:10:55
to kick the moving jaw all over the
00:10:56
place
00:10:57
and then it would rely heavily on just
00:10:59
the small machine features
00:11:01
that keep this aligned to the body right
00:11:03
the body drops in that little machine's
00:11:05
track or groove or slot
00:11:10
that's actually pretty good but those
00:11:13
would have to resist
00:11:14
any weird torque from this angle
00:11:16
clamping feature
00:11:17
as it is it's really just two rough
00:11:20
cast faces covered in grease
00:11:24
oh wait a minute there is a ball
00:11:28
in there well i'll be a monkey's uncle
00:11:33
they're usually i think flipped up sort
00:11:35
of that way
00:11:36
domed out to interface with the angle on
00:11:39
the moving nut but if i could get this out of here
00:11:44
it's a half sphere that's just a smidge
00:11:47
taller than the
00:11:48
divot it's sitting in is that a patent
00:11:50
avoidance feature or is that how the
00:11:52
curt ones work too
00:11:53
i could have sworn these were audis and
00:11:55
not innies
00:11:57
well that's pretty cheese it's like a
00:12:00
cast ball bearing or something not very round
00:12:03
by the looks of it either
00:12:05
but i guess in theory that does the same
00:12:07
thing better force transfer between the
00:12:09
angled nut and the moving jaw
00:12:11
i don't know maybe it's nothing i'm sure
00:12:14
the vice probably feels a little
00:12:15
crunchier than a curt
00:12:16
no surprise there perhaps anyway let's
00:12:19
keep breaking this thing down
00:12:22
what an emotional rollercoaster ride
00:12:25
took the nut and the screw out
00:12:26
mixed feelings here but nothing i'm
00:12:28
going to complain about given the price
00:12:30
was pleasantly surprised to find a
00:12:32
bearing in here a thrust bearing
00:12:35
i for sure was expecting like bushings
00:12:38
bronze thrust washer maybe not the best bearing
00:12:41
in the world but you know it's a bearing
00:12:42
the screw threads look clean they're
00:12:45
regular
00:12:46
60 degree course threads the ad led me
00:12:49
to expect
00:12:50
acme or trapezoid threads because you
00:12:53
know it says it in the ad after the chintzy
00:12:56
vise handle this will probably be the
00:12:57
next thing to go
00:12:58
depending on what kind of parts you work
00:13:00
on how hard you're clamping
00:13:02
either those are the ones cast into the
00:13:04
nut time will tell i suppose
00:13:06
okay okay enough with the screwing
00:13:08
around already let's get serious here
00:13:10
settle down now the vise is completely
00:13:12
broken down
00:13:13
i degreased it a bit stoned down some of
00:13:15
the sharp edges
00:13:16
and went through this thing methodically
00:13:18
with a fine toothed comb
00:13:20
although fun and relaxing i learned
00:13:23
absolutely nothing
00:13:24
so i switched to an indicator i checked
00:13:28
all surfaces for
00:13:29
flatness parallelism and squareness i
00:13:32
had planned to walk through this with
00:13:33
you in excruciating detail but as it
00:13:35
turns out there's already a super
00:13:37
awesome video on youtube
00:13:39
with some old geezer doing the same
00:13:41
exact thing so if you're curious how
00:13:43
that looks go check that out
00:13:45
before i share my conclusions here
00:13:47
there's one thing that might be worth
00:13:49
recapping
00:13:50
measuring squareness judging by some of
00:13:52
the comments in that other hex video
00:13:54
squareness wasn't that clear how to
00:13:57
measure it at home rather so let's head
00:13:59
back to this this
00:14:00
is a surface gauge and it has a test
00:14:02
indicator mounted to it
00:14:04
the hole works the surface gauge the
00:14:06
indicator
00:14:07
and the part we're inspecting are on a
00:14:09
surface plate
00:14:10
the indicator in and of itself can't
00:14:13
actually measure anything it's not like
00:14:15
a tape measure that is telling you the
00:14:18
cold hard truth
00:14:19
an indicator instead compares two things
00:14:22
that's all it can do
00:14:23
in fact sometimes they're called
00:14:24
comparators set up in this way
00:14:27
it's comparing the position of its tip
00:14:29
to the top of this granite plate
00:14:31
for example if i slide this indicator
00:14:34
over the top of my part
00:14:35
and i zero it out that isn't actually
00:14:37
telling me anything i don't know how
00:14:39
tall this part is i don't know how flat
00:14:41
it is i just don't know anything about
00:14:42
it all i did was set up a reference between
00:14:44
that tip and the top of the surface
00:14:46
plate
00:14:47
magic happens when i start to move the
00:14:48
surface gauge around for example if i
00:14:50
pull it up towards the fixed jaw we can
00:14:53
see the indicator increased
00:14:54
a thou and a half in this case so i
00:14:56
still don't know how big this part
00:14:58
is as in taking a measurement but what i
00:15:00
do know
00:15:01
is that this part of the surface is now
00:15:03
a thousand a half higher than this part
00:15:05
of the surface
00:15:06
what looked flat actually has a bit of a
00:15:09
ramp to it a bit of an increasing curve
00:15:11
but even that is only true because i'm
00:15:13
assuming
00:15:14
my surface plate is flat it could very
00:15:17
well be that this top surface is perfect and my
00:15:20
surface plate has a one thou hole worn
00:15:22
in the top
00:15:23
again it's only comparing the two at the
00:15:26
risk of losing my already thin
00:15:28
grasp on reality my assumption is that
00:15:30
my surface plate is good
00:15:31
so i marked this as plus 10. i measured
00:15:34
this with a tens indicator so that's ten
00:15:35
ten thousands
00:15:36
or a thousandth plus ten because that's
00:15:38
coming up i did not mark my surface
00:15:40
plate minus 10 because it's going down
00:15:43
because mental health if i wanted to
00:15:46
actually measure this
00:15:47
i would need a gauge block or a stack of
00:15:49
gauge blocks of about
00:15:50
you know the same height then i can
00:15:52
compare the two and then either add or
00:15:54
subtract from my gauge block stack
00:15:56
until this thing tells me zero
00:15:58
difference between the two and only then
00:16:00
do i know how tall this part is
00:16:02
again the only thing this thing is doing
00:16:03
is comparing all right that's all fine
00:16:05
and great but now let's say we want to
00:16:07
measure the squareness of this side how
00:16:09
square this is to my surface plate well
00:16:11
if i just run my indicator into it it
00:16:13
doesn't really do much i mean i guess if i try hard
00:16:16
enough i could break my indicator
00:16:19
but that wouldn't tell me anything about
00:16:20
the squareness in order to figure that
00:16:22
out we're going to need something else to
00:16:24
compare this to we'll use the indicator
00:16:26
to compare this surface to a known
00:16:28
square surface
00:16:29
just the way we compared this surface to
00:16:31
a known flat surface
00:16:33
my apologies i know that hurt for some
00:16:35
of you to listen to
00:16:36
but it's important we establish the
00:16:38
rules of this game so we've got a known
00:16:40
flat surface that we're comparing
00:16:42
other surfaces to to get the
00:16:44
perpendicularity we're going to need a
00:16:46
known perpendicular surface part to set our
00:16:49
indicator up against
00:16:51
so then we can go to town with our part
00:16:53
in this case i just pulled out a one two
00:16:54
three block
00:16:55
i actually use a granite reference
00:16:58
square these two surfaces are 90 degrees to
00:17:01
each other comes with a certificate
00:17:03
all that nonsense so again so we don't
00:17:05
lose our minds
00:17:06
it's something we can trust i appreciate
00:17:08
not everyone has one of these or is
00:17:10
willing to buy one of these
00:17:11
so we'll just use a known good one two
00:17:13
three block or you can use a v
00:17:15
block a grinding vice anything you trust
00:17:18
to be perpendicular
00:17:19
anything you trust to be square this is
00:17:21
very important all of the other
00:17:22
measurements we're about to take on the
00:17:24
part we're interested in
00:17:25
will be based on this if this is off all
00:17:28
of the readings will be off
00:17:29
here's the bit that i think confuses
00:17:30
some people in this type of squareness
00:17:32
measurement you can buy more expensive
00:17:34
dedicated squareness measuring kit but
00:17:37
it's going to cost you at least an
00:17:38
eye maybe a kidney i'm not sure what the
00:17:40
going prices are for those things these
00:17:42
days it's been a while since i've been
00:17:43
in that business
00:17:44
anyway squareness refers to two surfaces
00:17:47
you can't have just
00:17:48
one square surface it's got to be square
00:17:50
with respect to something
00:17:51
the surface gauge only has one bottom
00:17:54
surface to compare to we need to somehow
00:17:56
adapt this to measure a second surface
00:17:58
perpendicular to that
00:17:59
and you may have noticed this indicator
00:18:02
has a bumper installed on it i installed
00:18:04
this myself you could just
00:18:05
mill a slot in these and then lock tight
00:18:08
in a piece of mild steel whatever you
00:18:09
like
00:18:10
just sort of grind it around so it has a
00:18:12
you know high spot on the front
00:18:14
how round this is or what the radius is
00:18:16
is not critical
00:18:17
let me set this up and i'll explain what
00:18:18
we're doing
00:18:22
i've set up the indicator so the tip is
00:18:25
just barely touching the one two three block
00:18:28
when the one two three block touches the
00:18:30
bumper basically i've set it up so i'm within
00:18:33
range of my fine adjust
00:18:34
let's take a look from the top now if i
00:18:36
roll my block
00:18:38
around that radiused bumper you can see
00:18:40
the indicator
00:18:41
picks up a maximum point of contact
00:18:44
right now it's making it to about 6 7
00:18:46
out again my part
00:18:48
is up against this bumper and because
00:18:50
it's round
00:18:51
that results in a high spot what i'm
00:18:53
going to do is look for that high spot
00:18:55
and zero my indicator to that now any
00:18:58
place except that high spot the indicator will
00:19:00
fall away from
00:19:02
the indicator never goes past zero there
00:19:05
we have it the surface gauge and indicator are now
00:19:08
set up to measure squareness let's pull
00:19:10
our part in
00:19:12
i'm going to run this bumper into my
00:19:14
part being careful to keep constant
00:19:16
contact between that bumper and the part
00:19:17
that i'm measuring
00:19:18
just sort of roll it in and see if i can
00:19:20
pick up the high spot with the indicator
00:19:22
so it's going past zero see as i roll it
00:19:25
the indicator is
00:19:26
coming up hitting that max and then
00:19:28
coming down again
00:19:30
the max reading looks to be about one
00:19:32
division on this indicator which is five
00:19:34
tenths that's half of a thousandth of an
00:19:36
inch because it's going past zero that means
00:19:39
this surface is leaning
00:19:40
in towards me remember this is our
00:19:42
squareness reference
00:19:43
and we zeroed it out this is what
00:19:45
squareness means
00:19:46
so if the indicator is coming closer it
00:19:48
means the parts coming closer
00:19:49
this vise three inches up from the base
00:19:52
is half a thou
00:19:53
out a square greater than 90 degrees so
00:19:56
that's how you measure squareness
00:19:57
i hope that cleared up a few things and
00:19:59
didn't make matters worse
00:20:01
i know what you're asking what if i
00:20:02
don't have a surface gauge with a bumper
00:20:04
well before i installed this bumper my
00:20:07
surface gauge was just a regular surface
00:20:09
gauge
00:20:10
this one is smaller but you'll get the
00:20:11
idea surface gauges have this
00:20:14
notch cut out of them you can see the
00:20:15
original one back there and in a pinch
00:20:18
you can drop a ball bearing in there and
00:20:20
use that as your bumper it's how i
00:20:21
measured squareness for years before i
00:20:23
got so fed up with losing this ball
00:20:25
that i installed that bumper in it but
00:20:27
you know maybe a magnet or some grease
00:20:29
or something
00:20:30
same idea you just use that ball as the
00:20:32
bumper you roll your indicator
00:20:34
around to summarize i am absolutely
00:20:37
shocked if not flabbergasted that i didn't get
00:20:40
more than i paid for
00:20:41
granted there are two sides to every
00:20:43
story first
00:20:44
it's a piece of junk sorry to be so
00:20:46
blunt but on the other hand
00:20:48
it was 150 bucks it did come with this
00:20:50
little
00:20:51
report card inspection report technology
00:20:55
document operation instruction test certificate
00:20:58
packing list
00:20:59
i don't even know why they ship with
00:21:00
these things
00:21:03
this little accuracy test does call out
00:21:06
zbj
00:21:07
5 2017-90 which
00:21:10
in granted two seconds of googling i
00:21:12
could not find it's got a permissible
00:21:14
error and an actual error actual is not filled
00:21:17
out
00:21:18
you know i wrote this stuff in myself
00:21:20
the pencil is me is what i'm saying
00:21:22
these specs are in metric now i'm
00:21:24
totally good with metric
00:21:26
some of my best friends are metric but
00:21:28
from i don't know
00:21:30
half a millimeter up to about 20 meters
00:21:32
maybe
00:21:33
above that i'm completely lost 100
00:21:35
kilometers means absolutely nothing to
00:21:37
me
00:21:38
even though i know exactly what 60 miles
00:21:40
feels like and ditto for the low end
00:21:42
0.015 millimeters i get that that's a
00:21:45
small measurement but it's not the same
00:21:47
as six tenths
00:21:48
to me so i just use google translate so
00:21:50
it's talking my language
00:21:52
though i haven't been able to completely
00:21:53
figure this out i think some of these
00:21:55
images don't go with the text like g1 is
00:21:58
parallelism of top guide surface to vice
00:22:00
bottom
00:22:01
but that to me looks like this picture
00:22:03
parallelism of measuring block
00:22:05
top surface device bottom that one looks
00:22:07
like it's got a block in it i don't know
00:22:08
i just sort of gave up
00:22:10
but i think the actual columns is left
00:22:12
blank for a reason
00:22:14
for example i saw jaw lift where was jaw
00:22:17
lift
00:22:18
lifting and measuring block permissible
00:22:20
is six tenths
00:22:21
i'm measuring a smidge over a thou
00:22:23
almost double permissible
00:22:25
the vice body isn't square it's
00:22:27
trapezoidal
00:22:28
the sides aren't parallel the jaws are
00:22:31
remarkably square but there's a thou
00:22:33
dip in the bed they maybe did this fast
00:22:35
and hot
00:22:36
and the middle came up or the palm
00:22:38
sander they're using to surface grind
00:22:39
this
00:22:40
needs to be dressed but here's the thing
00:22:42
ideally a good vise
00:22:44
properly mounted should be almost
00:22:46
invisible to use
00:22:47
like it becomes part of the milling
00:22:49
machine that you trust sure you have to
00:22:51
use proper technique
00:22:52
make sure everything is clean etc but i
00:22:54
would not recommend a vise like this
00:22:56
to the sort of person that its price tag
00:22:58
is likely to attract
00:23:00
case in point the bed is rather flat in
00:23:02
the x direction
00:23:04
fixed jaw is square clamping four seems
00:23:06
good
00:23:07
even though there's a bit more jaw lift
00:23:09
than they technically
00:23:10
don't permit but that starts to fall off
00:23:12
pretty fast in the y direction
00:23:14
it goes from a thou down to zero in the
00:23:16
span of two or three inches
00:23:18
if you have small parts in this vise you
00:23:19
could probably get away with that error
00:23:21
but if your parts start to reach mid
00:23:23
span which is very easy to do since you
00:23:26
bought a six inch vise
00:23:27
then you'd pick up a one thou error per
00:23:29
side flip your part over to the machine
00:23:30
the other side and now you're the lucky
00:23:32
winner of a two thou error
00:23:34
shore is a hobbyist so you can probably
00:23:36
make this work but you have to be
00:23:37
constantly mindful that the vice might
00:23:39
be working against you
00:23:41
part of me was hoping the gamble would
00:23:42
pay off you know maybe they're getting
00:23:44
better at
00:23:45
making cheap stuff sure the iron might
00:23:48
suck it might crack in half if i squeeze too
00:23:50
tight but maybe i could get away with it
00:23:52
the way i did with the taiwanese vertex
00:24:02
vice
00:24:10
despite everything i said i think i'm
00:24:12
gonna try this vice on for size until
00:24:14
something better comes along for the
00:24:16
amount of work i think i'll do on this
00:24:18
mill i get more from the added size than
00:24:20
i lose from the
00:24:22
extra attention i have to pay in using
00:24:23
this thing as you can see i did make
00:24:25
some clamps to hold this thing down
00:24:27
and in its defense it does technically
00:24:30
squeeze stuff
00:24:31
and works for now as a cnc vise
00:24:42
all right so that may be some buyer's
00:24:44
remorse is all i've got for today
00:24:46
hope you enjoyed that and thanks for
00:24:53
watching

Description:

This is a story about a kid and a milling machines' hapless encounter with ebay's siren song. How does the new vise check out? Not that great, but also not that bad. Vise break-down & mill vise chat. I get into inspection & measurement: specifically checking squareness in the home shop.

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