High Speed Steel SKH51
STRAIGHT CORE PINS WITH CUTTING FACETS GAS VENT –SHAFT DIAMETER (D) SELECTION / SHAFT DIAMETER (P) DESIGNATION TYPE–
Part Number – L – P – E – (KC/WKC … etc.) GW–CPV–L3 – 18.36 – E0.02 – WKC1.5 GW–CPVB–L1 – 20.05 – P0.995 – E0.02 – TRN
Type
T Tolerance D or P L
High Speed Steel SKH51
M Material H Hardness
Group
Alterations
Shaft diameter (D) selection Shaft diameter (P) designation
Alteration details D P.323
GW–CPX–L GWS–CPX–L GW–CPH–L GWS–CPH–L GW–CPV–L GWS–CPV–L
GW–CPXB–L GWS–CPXB–L GW–CPHB–L GWS–CPHB–L GW–CPVB–L GWS–CPVB–L
Die Steel SKD61
–0.01 –0.02
Alterations Code
Spec.
Alterations Code
Spec.
+ 0.02 0
Standard
Head diameter change HC = 0.1mm increments E (D or P) ≦ HC ＜ H E In relation to the diameter tolerance, alteration may create a straight piece with little diameter difference between the head and shaft. Head diameter change (precision) HCC = 0.1mm increments E (D or P) + 0.5 ≦ HCC ＜ H−0.3, (D or P) ≧ 0.6
SKH51 58–60HRC
0 –0.005
NAK80
HC
Single flat cutting (D or P)/2 ≦ KC ＜ H/2 (D or P) ≧ 0.6
About Designation Unit for Key Flat Cutting
KC
+ 0.01 0
0 –0.005
DH2F
Precision
0 － 0.01 KC
(1) To align the key flat with the shaft diameter Unit of designation Shaft diameter (D) selection 0.05mm increments possible Shaft diameter (P) designation Standard: 0.005mm increments possible Precision: 0.0025mm increments pos- sible (2) To designate arbitrary key flat dimensions Unit of designation 0.1mm E Flat cutting is set at one face of cutting facet.
HCC
Pre-hardened Steel Hardening Steel
Head thickness change TC = 0.1mm increments (Dimension L remains unchanged) E 4−TC ≦ Lmax.−L Relief under the head (No need for plate chamfering) (D or P) ≧ 0.6
＋
0.5 0
R ≦ 0.3
1 Single face cutting
4 Four face cutting
SV
D or P TC 0.5 ≦ D or P ＜ 0.8 2.0 ≦ TC ＜ 4.0 0.8 ≦ D or P ≦ 13 1.5 ≦ TC ＜ 4.0
Two flats cutting (D or P)/2 ≦ WKC ＜ H/2 (D or P) ≧ 0.6
PROVA400 Pre-hardened Steel Hardening Steel
0
TC
TC
－ 0.02
WKC
4
WKC
Stainless Steel SUS440C
TRN
E ± 0.01
T ＝ 4
0 － 0.02
MAS1C
D or P
D or P
Numbering on the head Range of designation and Designation method D P.324 E Available when H ≧ 2 Process the SV part till the head edge. E SVC is only available for single face cutting in the upper position of four flats cutting. E (D or P) ＜ 1 c L ＝ Applicable until 60 E W hen used concurrently with key flat cutting, SVC processing is done perpendicularly to the key flat surface.
L
Varied width parallel flats cutting (D or P)/2 ≦ KAC ＜ H/2 KBC = 0.1mm increments only (D or P) ≧ 0.6 KAC ＜ KBC ＜ H/2
A15
NHC
KAC KBC
8
4mm
E Limit of E ± 0.01 is within 10mm from the tip.
0 － 0.01
KBC
JIS (6/8mm)
0 － 0.01
■ Shaft diameter (D) selection type H Part Number
KAC
SVC
L 0.01mm increments
E 0.01mm increments
Free Designation
SV
Type
D
SVC
E Flat cutting position is set at 90° of cutting facet in counterclockwise direction.
0.5 0.6 0.7 0.8 0.9 1 1.2 1.5
15.00–60.00
2
D (P) –0.01 –0.02 D (P) 0
■ Characteristics For molds using resin that generates gas easily, this core pin has the effect of releasing gas from the inside of the cavity through the core pin clearance.
–0.005
Single flat cutting GW–CPX–L GW–CPH–L GW–CPV–L
3
D (P) 0
15.00–100.00
–0.003
Example
Total Length Designation Total Length Designation
2
4 5 6 7 8 9
L
SV
2.5
0.02–0.05
Shaft Diameter / Total Length Designation Free Designation
15.00– 50.00 50.01– 80.00 80.01–120.00
L–10
3
Assemble at the surface of product to release gas.
40 50
3.5
Four flats cutting (D ≧ 1) GWS–CPX–L GWS–CPH–L GWS–CPV–L
4
4.5 5
Gas will be released through clearance. (Example of 4 face cutting) ※ represents the gas ow.
Tip Process
15.00–120.00
6 7 8
10 11 15 18
Engraving
10
13 ■ Shaft diameter (P) designation type
Gas Vent Gas Vent
P
E 0.01mm increments
Part Number
L 0.01mm increments
H
SV
Standard 0.01mm increments
Precision 0.005mm increments
Type
No. 0.6
0.50– 0.59 0.500– 0.595 0.60– 0.99 0.600– 0.995 1.00– 1.49 1.000– 1.495 1.50– 1.99 1.500– 1.995 2.00– 2.49 2.000– 2.495 2.50– 2.99 2.500– 2.995 3.00– 3.49 3.000– 3.495 3.50– 3.99 3.500– 3.995 4.00– 4.49 4.000– 4.495 4.50– 4.99 4.500– 4.995 5.00– 5.99 5.000– 5.995 6.00– 6.99 6.000– 6.995 7.00– 7.99 7.000– 7.995 8.00– 9.99 8.000– 9.995 10.00–12.99 10.000–12.995
1
3
Single flat cutting GW–CPXB–L GW–CPHB–L GW–CPVB–L
1.5
15.00–100.00
2
4 5 6 7 8 9
2.5
3
3.5
L SV 15.00– 50.00 L–10 50.01– 80.00 40 80.01–120.00 50
4
0.02–0.05
4.5
Four flats cutting (P ≧ 1.000) GWS–CPXB–L GWS–CPHB–L GWS–CPVB–L
5 6 7 8
15.00–120.00
10 11 15 18
Use SVC code while processing plate by wire cutting. ＜ SVC code ＞
10 13
Part Number – L – P – E GW–CPV–L3 – 18.36 – E0.02 GW–CPVB–L1 – 20.05 – P0.995 – E0.02
Order
Delivery Quotation
347
348
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