Nakanishi PS Series Operation Manual

PS-20, 23, PSA-23, 25, 30, 35
Thank you for purchasing PS Series Spindle.
PS Series spindles are designed for heavy duty drilling, milling and cutting or on space restricted
machines. Please read this Operation Manual carefully before use, in order to ensure proper usage
and care.
1 Caution in Handling
PS series are not hand tool. Use PS Series installing it on a lathe, NC lathe, a specially
1
engineered machine and/or automated machine etc.
2 Use protect cover around PS series and wear protect eye glasses while in operation since it runs.
Do not touch on the spindle while it is running.
3 Tighten the collet chuck firmly not to come off during the operation.
Before start running the spindle, confirm if the collet chuck is tightened firmly.
4 Please be especially careful not to hit or crash the bearing caps as this will create unbalanced
rotation causing excessive vibration, heat build up and wear.
Clean the collet chuck often because the collet chuck and the spindle may be hurt and create the
5
cause of run-out if the debris and polishing powder are sticking in the spindle and the collet
chuck.
6 Do not exceed spindle speed, refer to 4. Allowable Max. Speed.
2 Features
1 Spindle body is precision ground stainless steel (SUS-416) making mounting extremely easy.
Spindle has a labyrinth debris protection system built in and for extreme, conditions positive air pressure
2
protection is available.
3 Spindle is available in outer diameters from 20mm to 60mm, high speed type, low speed type, stainless
steel bearing type, high speed steel bearing type and ceramic bearing type.
3 Dimensions
( L )
L
1 2
L
Table-1
Model D D D L
1 2
PS20-70 110.8
20 12.9
PS20-120 160.7
PS23-80 122.3
23 16.9
PS23-130 172.3
18
PSA23-80 129.7
23 12.9
PSA23-130 169.7
PSA25-90 133.6
25
PSA25-140 183.6
PSA30-100 149.6
30 16.9 20
209.6
PSA30-160
PSA35-120 175.6
35 24
PSA35-180 235.6
PS Series
Fig. 1
L L Chuck Spanner d N
1 2 1 1
70 8 5
15.7 CHA 5 11
120 10 10
80
31.8 CHK 12 14 7 11
130
80
14.7 CHA 12 14 5 11
130
90
18.4 12 14 7 11
140
100
19.4 CHK 12 14 9 13.5
160
120 12 14
19.4 10.5 16
15 17
180
4
Allowable Max. speed
Use under the allowable Max. speed.
Table-2
Model
PA20-70N
PS20-70H
PS20-70C
PS20-120N
OM-K0230E Rev.A
PS20-120H
PS20-120C
PS23-80N
PS23-80H
PS23-80C
PS23-130N
PS23-130H
PS23-130C
PSA23-80N
PSA23-80H
PSA23-80C
PSA23-130N
PSA23-130H
PSA23-130C
5
Replacing cutting tool
1 Place provided spanner wrench on the spindle.
Place other provided spanner wrench on the
2
collet cap and turn it counter-clockwise to loosen
the collet cap and pull out the tool.
Collet and collet cap are linked together so that
2 full turns may be required to fully open the collet.
Remove old tool and replace with new one.
3
Turn collet cap spanner wrench clockwise to fit tightly.
6 Replacing Collet Chuck
1 Follow steps
and remove collet cap assembly. (Fig. 3)
M
1
Thread
2 Collet and Collet cap are linked together.
Hold collet cap firmly in one hand and pull out the
collet chuck while moving it from left to right to
dislogde the collet chuck. (Fig. 4)
Choose a new collet chuck and insert it into collet
3
Taper
cap disagonally to match the collet groove and collet
N
1
cap hook. (Fig. 5)
Insert a tool in collet chuck and mount
4
it into the spindle, and turn it clockwise.
M Thread Taper
1
5.5 M2.6 0.45 1 / 10
CHA : Standard collet chuck is
and 2.35(0.093"),
8 M3 0.5 1 / 6
CHK : Standard collet chuck is
5.5 M2.6 0.45 1 / 10
and 2.35(0.093"),
8 M3 0.5 1 / 6
CAUTION :
14 M4 0.7 1 / 6
Do not tighten collet cap too much without mounting a tool. The collet chuck will be crushed
unnecessarily and separate from the collet cap. Then, the collet chuck will be difficult to remove
14 M5 0.8 1 / 6
from the spindle even when the collet cap is loosened.
Allowable
Specification
Max. speed
Standard speed 16,000 PSA25-90N
High speed 32,000 PSA25-90H
High speed
32,000 PSA25-90C
(Ceramic bearing type)
Standard speed 16,000 PSA25-140N
High speed 32,000 PSA25-140H
High speed
32,000 PSA25-140C
(Ceramic bearing type)
Standard speed 15,000 PSA30-100N
High speed 30,000 PSA30-100H
High speed
30,000 PSA30-100C
(Ceramic bearing type)
Standard speed 15,000 PSA30-160N
High speed 30,000 PSA30-160H
High speed
30,000 PSA30-160C
(Ceramic bearing type)
Standard speed 23,000 PSA35-120N
High speed 46,000 PSA35-120H
High speed
46,000 PSA35-120C
(Ceramic bearing type)
Standard speed 23,000 PSA35-180N
High speed 46,000 PSA35-180H
High speed
46,000 PSA35-180C
(Ceramic bearing type)
1 & 2 above (Replacing cutting tool),
3.0mm. Optional chucks vary from
3.175(0.125"), are also available.
3.0mm. Optional chucks vary from
3.175(0.125") and 6.35(1/4") are also available.
Allowable
Model Specification
Max. speed
Standard speed 20,000
High speed 40,000
High speed
40,000
(Ceramic bearing type)
Standard speed 20,000
High speed 40,000
High speed
40,000
(Ceramic bearing type)
Standard speed 18,000
High speed 36,000
High speed
36,000
(Ceramic bearing type)
Standard speed 18,000
High speed 36,000
High speed
36,000
(Ceramic bearing type)
Standard speed 15,000
High speed 30,000
High speed
30,000
(Ceramic bearing type)
Standard speed 15,000
High speed 30,000
High speed
30,000
(Ceramic bearing type)
Tool
Loosen
Collet Cap
Spindle
Tighten
Fig. 2
Tool
Chuck Nut
Loosen
Spindle
Fig. 3
Collet Cap Hook
Push Down
Collet Chuck
Lean
Collet Cap
Move
Fig. 4 Fig. 5
0.8 4.0mm in 0.1mm steps,
0.8 6.0mm in 0.1mm steps,