other small vise plans
TRANSCRIPT
8/6/2019 Other Small Vise Plans
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5cm milling vise
The vise is based on a popular style of vise manufactured by Kurt, but
scaled smaller and around a few handy pieces of scrap and an odd tap.
The body is a strut cut out of the iron frame from a junk George Bent
"Crown" upright piano, but the jaws and nut are some steel cutoffs. The
3/8"-20 lh screw is a nice fit between the 16mm shoulder and 1/4" hex
drive, and it is supported between two thrust bearings.
The fixed jaw is held in place with a 1/4" square key and two 1/4"-20shcs. To make advantage of the screw body, and even more so to assure
location I drilled undersize pilot holes in the vise body and then in
assembly drilled with a nr. 8 drill though both parts, following with anF and tap.
The movable jaw is one piece but the rear portion might as well be
pinned and screwed on to simplify milling the recess. The nut is made to
fit the lower channel and jaw recess, and drilled clamped in place at
the same time as the clamping screw hole with a long drill. Instead of a
fiddly loose pad the cylindrical insert is just a 1/4" dowel pin with aground flat, lightly pressed in place so it can self align with the face
on the nut.
I used a piece of 1/2" rod for the screw, and pressed a 5/8" collar ontothe end to bear against the thrust washer. The cast iron washer is press
fit into the housing with some grease and the screw, holes for the 2-56
shcs drilled in assembly like with the fixed jaw.
The base is sawn out of a plate that already had the stepped bore, and
the ears shortened on a lathe faceplate to clear hex bolt heads. The
clamping plate is cut off the end of a shaft coupling turned down to fit
the recess. Slots for alignment keys would complete the vise and base
but I haven't made them yet.
Clark Panaccione
http://www.freewebs.com/mireut/
13.02.05
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1/4"
square
key
fixedjaw
thrustbearing
thrustcollar
2-56
shcs
-
5/8"
(2)
thrustbearin
g
housing
1/4"
-20
shcs
-1"
(2)
clampingscrew
8/32phms-
5/16"
(4)
jaw
liner(2)
movablejaw
cylindricalinsert
clampingn
ut
8-32shss
-3/4"
6-32
shss
-
3/16"
(2)
thrustcollar
b o
d y
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: 1
A s s e m
b l y
5cm
vise
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1 0 3
dril
lnr.9
pilot;
ina
ss’yredrillnr.G,
c’bo
re
3/8"
dia,3/8"
deep
6 4
5 5
. 0
6 .
3 5
1 9
. 5
1 5 0
1 0
. 0
7 0
4 8
. 0
r e a m
0 .
3 1 3 "
9
1 8
. 0
7 .
6 2 6
2 0
. 0 2
3 5
. 0
5cm
vise
base
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1:2
15.0
6 .
4
1 0
. 0
3 . 1
7 5 +
/ -
0 . 0
4
+ 0
. 0 0 /
- 0
. 0 4
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1
: 1
fixedjaw
fixedjaw
1/4"squarekey,48mmlong
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5cmvise
3 . 1
7 5
+ 0
. 0 4 /
- 0
. 0 0
1 9
. 5
1
2 .
7
drillnr
c’bore8.4,2.5mm
deep
9 .
0 0
2 7
. 5
3 5
. 0
4 8
. 0
6 .
4
2 8
. 0
6 . 3
5
+ 0
. 0 0 / - 0 . 0
4
Drillinassembly:
nr.810mmdeep,
tap
1/4"-20
3 . 1 7
5 +
/ -
0 . 0
4
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9
14.11.04
1:1
moveablejaw
movablejaw
cylindricalinsert
5cm
vise
40.0
drillnr2
9,tap8-32
23.0
17.0
drilllnr3,ream
0.2502"
20.00
20.5
4820.2
13.9
4.00
1
2.7
6 . 3
5
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14.11.04
1 : 1
clampscrew
Clam
pingnut
clampingscrew
5cm
vise
6 0
6 6
0
7 .
5
17.5
20.00
25.4
25.4
13.5
15.3
11.0
1 6 1
3 9
4 .
0
20.0
23.0
1/4"he
x
3/8"-20LHd
rill5/16"
coun
tersink
3/8"
tap
3/8"-20
lh
7 .
9 4
1 5
. 8 5
9 .
5 3
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1:1
bearings
thrustbearing
thr
ustcollar
5cm
vise
2 1
. 0
3 .
0 0
drillnr.1/16"
pil
ot;
in
ass’y
redrillnr
.37,
c’bore11/64"6mmd
p.
thrustbearing
housing
8 .
0 0
9
. 5 3
2 0
. 0
9 . 5
3
1 6
. 0 0
1 9
7 .
9 4
5
1 6
. 0 0
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1:2
Swivelbase
base
clampplate
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5cm
vise
6 r
1 1 9
6 .
3 5
1 0 9
6 2
. 0
1 2
. 4
6 .
3
6 .
4
1 2
. 7
d
rillnr.8
c
’sink
nr.F
t
ap
1/4"-20
9 0
7 0
. 0 2
7 6
. 3 2
7 6
. 3 0
7 0
. 0 0