Shaft diameter designation/ Total length selection type
Standard type
Shaft diameter/Total length designation type
Total length designation type
STRAIGHT EJECTOR PINS –STANDARD/P DIMENSION DESIGNATION,L DIMENSION SELECTION TYPE/L DIMENSION DESIGNATION TYPE/P/L DIMENSION DESIGNATION TYPE–
Stainless Steel SUS440C
L
L
L
L
Part Number – L – P – (KC/WKC … etc.) EPWJB 6 – 135.51 – P5.59 – WKC2.795
High Speed Steel SKH51 + Hard chromate Die Steel SKD61 + Nitriding High Speed Steel SKH51
Alterations
Alteration details D P.9
Alterations Code
Spec.
Alterations Code
Spec.
Head diameter change HC = 0.1mm increments E P + 1 ≦ HC < H, P ≧ 1.5
Single flat cutting P/2 ≦ KC < H/2
KC
HC
KC － 0.1 0
About Designation Unit for Key Flat Cutting
Head diameter change (precision) HCC = 0.1mm increments E P + 1 ≦ HCC < H−0.3, P ≧ 1.5 Head thickness change TC = 0.1mm increments E T/2 ≦ TC ＜ T, P ≧ 1.5 EPW/EPWJ/EPWG/EPWJG c EPW–L/EPWJ–L/EPWB/EPWJB c E T−TC ≦ Lmax.−L Dowel hole boring E Applicable when H ≧ 4 X Combination with other than NHC/ NHN/GVC not available Dowel hole + Spring pin driving E Applicable when H ≧ 4 X Combination with other than NHC/ NHN/GVC not available
WKC Two flats cutting P/2 ≦ WKC < H/2
b 1 (Range of guaranteed shaft diameter precision)
x 1
Die Steel SKD61
HCC
0 － 0.1
WKC
Pre–Hardened Die Steel SKD61
Varied dimension flat cutting P/2 ≦ KAC < H/2 KBC = 0.1mm increments only KAC < KBC < H/2
KAC KBC
(1) To align the key flat with the shaft diameter Unit of designation EPW/EPWJ EPW–L/EPWJ–L 0.05mm increments possible EPWG/EPWJG EPWB/EPWJB 0.005mm increments possible
－ 0.1 0
－ 0.1 0
M Material H Hardness
SUS440C
KAC
KBC
R ≦ 0.3 ）
R ≦ 0.5 （ P ≦ 2
56–60HRC Range of guaranteed shaft diameter precision/base material hardness (Details D P.7 )
TC
0
Stainless Steel SUS440C
TC
－ 0.02
Dimension L becomes shorter by (T–TC).
－ 0.02 0
T
－ 0.005 0
P
T
Two flats (right angled) cutting P/2 ≦ RKC < H/2
RKC
L
RKC － 0.1 0
(Dimension L remains unchanged)
4mm
0 ＋ 0.1 d
T d ℓ 4 2 3 6 3 5
Part Number
Shape
T L Tolerance Head thickness Tip Face Roughness
Part Number
Shape
T L Tolerance Head thickness
DKC Three flats cutting P/2 ≦ DKC < H/2
JIS (6/8mm)
NC
0 － 0.1
EPW–L
EPW
4mm (T4)
4mm (T4)
DKC
DKC
T
L dimension designation type
Standard
10mm
EPWJ–L
EPWJ
6mm (JIS)
6mm (JIS)
+ 0.02 0
+ 5 + 0.1
d
ℓ 1
T d 4 2 6 3
Four flats cutting P/2 ≦ SKC < H/2
EPWB
EPWG
4mm (T4)
4mm (T4)
SKC
NCW
P –0.01 –0.02 P 0 - 0.005 –
P diameter designation/L dimension selection type
－ 0.1 SKC 0
5
L/P dimension designation type
T
EPWJB
EPWJG
6mm (JIS)
6mm (JIS)
(2) To designate arbitrary key flat dimensions Unit of designation 0.1mm
AG °
± 0.5
Two flats (angled) cutting P/2 ≦ KGC < H/2 AG = Designation 1° increments 0 < AG < 360
Numbering on the head Range of designation and Designation method: D P.10 X Combination with SKC not available Automatic sequential numbering on the head Range of designation and Designation method: D P.10 X Combination with SKC not available Gas vent machining S, B = 1mm increments E 2 ≦ S ≦ 10, S + 5 ≦ B ≦ 30 E Available when P ≧ 3 E Available when EPW–L/EPWJ–L/EPWB/EPWJB
217
■ Standard type Head thickness 4mm Head thickness JIS
■ P dimension designation, L dimension selection type Head thickness 4mm Head thickness JIS Part Number L Selection Type
KGC
NHC
0 °
P 0
–0.002
KGC
Part Number
P 0.01mm increments
L Selection
Standard Size Total Length Designation
120 ° 120 °
Type
Three flats cutting at 120° P/2 ≦ KTC < H/2
－ 0.1 120 ° 0
H T H T
P
1 2 3
H T H T
No.
KTC
NHN
Head thickness 4mm Head thickness JIS
Head thickness 4mm Head thickness JIS
KTC
1 100 150 1.5
1.5
1.00–1.49 1.50–1.99 2.00–2.49 2.50–2.99 3.00–3.49 3.50–3.99 4.00–4.49 4.50–4.99 5.00–5.49 5.50–5.99
3 4 5 6
3
Shaft Diameter Designation Shaft Diameter/ Total Length Designation
2
2
4 5 6
2.5
– –
–
– –
–
GVC
2.5
3
S
100 150 200
3
100 150 200
B
3.5
EPW
3.5
4
EPWG
7
4
Tip Process
7
4
4
8
8
4.5
4.5
8
Engraving
8
EPWJG
5
6
EPWJ
5
6
9
9
5.5
5.5
Gas Vent
9
9
6
6
10
10
■ P/L dimension designation type Head thickness 4mm Head thickness JIS Part Number
■ L dimension designation type Head thickness 4mm Head thickness JIS
Part Number
0.01mm increments
L 0.01mm increments
Type
Type
H T H T
P
H T H T
No.
L
P
Head thickness 4mm Head thickness JIS
Head thickness 4mm Head thickness JIS
1 40.00–150.00 1.5
1.00–1.49 1.50–1.99 2.00–2.49 2.50–2.99 3.00–3.49 3.50–3.99 4.00–4.49 4.50–4.99 5.00–5.49 5.50–5.99
1.5
3 4 5 6
3
2
2
4 5 6
2.5
– –
–
– –
–
2.5
3
3
3.5
EPW–L
3.5
4
40.00–200.00
EPWB
7
4
40.00–200.00
7
4
4
8
8
4.5
4.5
8
8
EPWJB
5
6
EPWJ–L
5
6
9
9
5.5
5.5
9
9
6
6
10
10
Part Number
– L – P
Order
(Standard) EPW 6 – 100 (P/L dimension designation type) EPWG 5 – 100 – P4.95 (L dimension designation type) EPWJ–L 4 – 99.65 (L/P dimension designation type) EPWJB 5 – 95.05 – P4.95
Quotation
Delivery
45
46
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