Die Steel SKD61 + Nitrided
STRAIGHT EJECTOR SLEEVES FOR DIE CAST
Part Number – L – V –
(KC/WKC...etc.)
High Speed Steel SKH51 Die Steel SKD61 + Nitriding
Alterations
DESL8 – 200.1 – V 4.0
–
KC 4.5
Alteration details D P.225
Alterations Code
Spec.
Alterations Code
Spec.
Single flat cutting KC = 0.1mm increments D/2 ≦ KC ＜ H/2 Two flats cutting WKC = 0.1mm increments D/2 ≦ WKC ＜ H/2
Reduces the head thickness to less than standard. TC = 0.1mm increments E 5.0 ≦ TC ＜ 10,10–TC ≦ Lmax.–L (Dimensions L and (L–S) remain unchanged)
KC
0 － 0.05 TC
0 － 0.1
TC
4mm
KC
10
JIS (6/8mm)
Applicable center pin shaft diameter tolerance
T V Tolerance
Part Number
Reduces the head diameter. HC = 0.1mm increments E D ≦ HC ＜ H
WKC
WKC － 0.1 0
–0.01 –0.02 (Details D P.219 )
10mm
DESL
H7
HC
E In relation to the diameter tolerance, alteration may create a straight piece with little diameter difference between the head and shaft. Two-step recessing (Makes recess C into two-step and widens it) CW = 0.1mm increments W = 5mm increments E V + 1.0 ≦ CW ≦ V max. + 0.5 E 10 ≦ W ≦ L–S–10, W ≦ 200 Performs C chamfering on the tip. CGX = 0.1mm increments E 0.2 ≦ CGX ≦ 1.5 and CGX ≦ –0.1 X Combination with RGX/CGZ/RGZ not available D–V 2 Performs R chamfering on the tip. RGX = 0.1mm increments E 0.3 ≦ RGX ≦ 1.5 and RGX ≦ –0.1 X Combination with CGX/CGZ/RGZ not available Performs boring C chamfering on the tip. CGZ = 0.1mm increments E 0.2 ≦ CGZ ≦ 1.0 and CGZ ≦ D–V 2 –0.1 X Combination with CGX/RGX/RGZ not available D–V 2 Performs boring R chamfering on the tip. RGZ = 0.1mm increments E 0.5 ≦ RGZ ≦ 1.0 and RGZ ≦ D–V 2 –0.1 X Combination with CGX/RGX/CGZ not available
Varied width parallel flats cutting KAC, KBC = 0.1mm increments only D/2 ≦ KAC ＜ KBC ＜ H/2 Two flats (right angled) cutting RKC = 0.1mm increments D/2 ≦ RKC ＜ H/2 Varied width parallel flats cutting DKC = 0.1mm increments D/2 ≦ DKC ＜ H/2
D(P) –0.01 –0.02
KAC KBC
－ 0.1 0
－ 0.1 0
KAC
KBC
x 1
b 1 (Range of Guaranteed Shaft-diameter Precision)
D(P) 0
–0.005
T D Tolerance D ≦ 10
◎ 0.003
RKC
CW
RKC － 0.1 0
D = 12 –0.01 –0.03
–0.01 –0.02
◎ 0.005
＋ 5 0
R ≦ 0.5
W
0 － 0.05
T ＝ 10
± 0.05 CGX 45 °
◎ 0.01
C ＝ V ＋ 0.5
T V H7 Tolerance V ≦ 3.0 3.5 ≦ V ≦ 6.0 V ≧ 6.5 + 0.010 0 + 0.012 0 + 0.015 0
DKC
φ 0.06
S 0 ＋ 5
0 DKC － 0.1
－ 5 0
（ L － S ）
DKC
CGX
＋ 0.1
◎ 0.03
L 0
L
KGC 0 ° AG ° ± 0.5
Two flats (angled) cutting KGC = 0.1mm increments AG = 1° increments D/2 ≦ KGC ＜ H/2, 0 ＜ AG ＜ 360
◎ 0.06
RGX
± 0.1
KGC
RGX
SKD61 + Nitrided
M Material h Hardness
Standard
Surface 900HV– Base material 40 ± 3HRC E b 1 (Range of guaranteed shaft diameter precision) (Details
L
L S
50.0–100.0
100.1–150.0
150.1–200.0
200.1–250.0
250.1–300.0
120 ° 120 °
Total Length Designation
Three flats cutting at 120° KTC = 0.1mm increments E D/2 ≦ KTC ＜ H/2
CGZ ± 0.05
0 － 0.1 120 °
D P.221 ) x 1 max. = 40
30
40
50
60
70
KTC
CGZ
Free Designation Shaft Diameter(P) Total Length Designation
KTC
Range of guaranteed base material hardness (Details D P.223 ) Range of guaranteed surface hardness for nitriding (Details D P.224 )
45 °
E Note that the Stepped Center Pin's retention diameter (D) cannot fit in the recess (C) of DESL. (Details D P.220 )
L
RGZ ± 0.1
Part Number
L 0.1mm increments
V 0.5mm increments
Stepped Shape
RGZ
H
Type
D
L
Taper Clearance
6
2.5 – 4.0
10
Effective Margin(S) Long
50.0–250.0
8
2.5 – 6.0
13
Short Type
DESL
10
2.5 – 8.0
15
50.0–300.0
12
3.0 –10.0
17
E DESL: Nitriding may extend to the head as it is applied after dimension V machining.
Part Number – L – V DESL8 – 200.1 – V 4.5
Order
Quotation
Delivery
265
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