Pre–hardened Die Steel SKD61 Head thickness JIS
STRAIGHT EJECTOR PINS WITH GAS VENT –L DIMENSION DESIGNATION/ P/L DIMENSION DESIGNATION WITH CUTTING FACETS TYPE–
Part Number – L – P – E – (KC/WKC … etc.) GWS–EPAJB5– 125.61 – 4.97 – E0.03 – RKC2.485
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
b 1 (Range of guaranteed shaft diameter precision)
x 1
Single flat cutting P/2 ≦ KC < H/2
HC
KC
Step R
KC － 0.1 0
Single face cutting
Four faces cutting
＋
5 0
R ≦ 0.5
SV
A part
About Designation Unit for Key Flat Cutting
Head thickness change TC = 0.1mm increments E T/2 ≦ TC ＜ T E T−TC ≦ Lmax.−L (Dimension L remains unchanged)
Die Steel SKD61
Enlarged view of A part
WKC Two flats cutting P/2 ≦ WKC < H/2
TC
TC
0 － 0.1
WKC
T
Pre–Hardened Die Steel SKD61
Varied dimension flat cutting P/2 ≦ KAC < H/2 KBC = 0.1mm increments only KAC < KBC < H/2
0 ＋ 0.1
T d ℓ 4 2 3 6 3 5 8
KAC KBC
d
10 (Guaranteed length for E dimension gas vent depth)
Dowel hole boring X Combination with other than NHC/ NHN not available
E 4 －
± 0.01
(1) To align the key flat with the shaft diameter Unit of designation GW−EPAJ/ GWS−EPAJ–L 0.05mm increments possible GW−EPAJB/ GWS−EPAJB 0.005mm increments possible
0 － 0.05 T
－ 0.1 0
－ 0.1 0
NC
KAC
KBC
－ 0.01 － 0.02
－ 0.01 － 0.02
＋ 0.05 0
＋ 0.5 0
P
P
（
L ＞ 500 c L
）
L
Stainless Steel SUS440C
T
Two flats (right angled) cutting P/2 ≦ RKC < H/2
RKC
ℓ 1
d
T d 4 2
Dowel hole + Spring pin driving X Combination with other thanNHC/ NHN not available
RKC － 0.1 0
Part Number
Head thickness
NCW
4mm
Single face cutting
Four faces cutting GWS–EPAJ−L GWS–EPAJB
6 8
5
3
GW–EPAJ−L GW–EPAJB
T
4/6/8mm (JIS)
DKC Three flats cutting P/2 ≦ DKC < H/2
JIS (6/8mm)
0 － 0.1
DKC
DKC
Numbering on the head Range of designation and Designation method: D P.10 X Combination with SKC/MC not available Automatic sequential numbering on the head Range of designation and Designation method: D P.10 X Combination with SKC/MC not available
217
M Material H Hardness
SKD61 (Pre–hardened)
SV
NHC
P
( Range of guaranteed shaft diameter precision is only for the shaft diameter except for gas vent. ) 40–45HRC Range of guaranteed shaft diameter precision/base material hardness (Details D P.7 )
10mm
40 ≦ L ＜ 60
60 ≦ L ＜ 105
L ≧ 105
Four flats cutting P/2 ≦ SKC < H/2
SKC
3.00– 4.99 5.00– 9.99 10.00–12.00
15 30 30
30 30 50
30 50 50
SKC － 0.1 0
P –0.01 –0.02 P 0 - 0.005
1
2
3
NHN
± 0.5 AG ° 0 ° KGC 120 ° 120 °
Two flats (angled) cutting P/2 ≦ KGC < H/2 AG = 1° increments 0 < AG < 360
(2) To designate arbitrary key flat dimensions Unit of designation 0.1mm
KGC
■ L dimension designation type
MC
Head tapping E Applicable when P ≧ 8.00 X Combination with any other alteration not available
P M P 8.00– 9.99 M4 P10.00–11.99 M5 P12 M6
P 0
Part Number
0.01mm increments
MC
–0.002
H
T
M × 1
Type
P
L
E
Three flats cutting at 120° P/2 ≦ KTC < H/2
－ 0.1 120 ° 0
Standard Size Total Length Designation
KTC
3
6 7
KTC
40.00–400.00
4
3.5
4
Shaft Diameter Designation Shaft Diameter/ Total Length Designation
8
4.5 5 5.5
40.00–600.0
■ Characteristics Let gas out from the inside of the cavity via the clearance around the ejector pin.
Single face cutting GW–EPAJ−L
Single face cutting 0.02–0.05
9
Example
40.00–500.00
6
6
Tip Process
Four faces cutting 0.03–0.05
10
Four faces cutting GWS–EPAJ−L
6.5
Engraving
PL Line
7 8
11 13 15 17
40.00 – 700.0
Gas Vent
10 12
8
■ P/L dimension designation type
Part Number
0.01mm increments
H
T
Type
No. 3.5
L
P
E
7
3.00–3.49 3.50–3.99 4.00–4.49 4.50–4.99 5.00–5.99 6.00–6.99 7.00–7.99 8.00–9.99
4
Gas ow
8
4.5
Single face cutting GW–EPAJB
Single face cutting 0.02–0.05
9
5 6 7 8
4
10 11 13 15 17
40.00–300.00
Four faces cutting 0.03–0.05
Four faces cutting GWS–EPAJB
10 12
10.00–11.99
Part Number – L – P – E GW–EPAJ–L3 GWS–EPAJB4 – – 150.35 180.05 – P3.99 – – E0.03 E0.03
Delivery Quotation
Order
59
60
Powered by FlippingBook