ROUND CORE PINS FOR BOSS –SHAFT DIAMETER (D) SELECTION / (P) DESIGNATION TYPE–
– (KC/WKC … etc.)
Part Number – L – P – A – B – Tip size (C/R/SR/G/Q)
Type
T Tolerance
H Hardness HRC
M Material
Alterations
– A3.00 – B2.50 – C0.3–G0.3
– RKC3.0
BCDS–CG4 – 38.00
Shaft diameter (D) selection type
Shaft diameter (P) designation type
D or P A
B
Alteration details D P.365
BCHBS–BL6 – 50.00 – P5.70
– B0.40 – SR2.60
– TRN
BCDS– □□ BCDBS– □□ BCPS– □□ BCPBS– □□ BCHS– □□ BCHBS– □□ BCVS– □□ BCVBS– □□
–0.01 –0.02
0 –0.04 0 –0.02 0 –0.02 0 –0.01
Alterations Code
Spec.
Alterations Code
Spec.
SKD61 48–52
0 –0.005
Head diameter change HC = 0.1 mm increments E (DorP) ≦ HC ＜ H E In relation to the diameter tolerance, alteration may create a straight piece with little diameter difference between the head and shaft.
± 0.02
Single flat cutting (DorP)/2 ≦ KC ＜ H/2
KC
KC － 0.01 0
HC
0 –0.005
SKH51 58–60
R ≦ 0.3
About Designation Unit for Key Flat Cutting
WKC Two flats cutting
(DorP)/2 ≦ WKC < H/2
0 － 0.01
Head diameter change (precision) HCC = 0.1 mm increments E (DorP) + 0.5 ≦ HCC ＜ H−0.3
WKC
HCC
Varied dimension flat cutting (DorP)/2 ≦ KAC ＜ H/2 KBC = 0.1 mm increments only KAC < KBC < H/2
KAC KBC
(1) When specifying key flat cutting according to shaft diameter Unit of designation • Shaft diameter (D) selection type 0.05 mm increments possible
－ 0.01 KBC 0
Head thickness change TC = 0.1 mm increments E 1.5 ≦ TC ＜ 4 (Dimension L remains unchanged) E 4 － TC ≦ Lmax.–L
KAC
0
TC
T ＝ 4
0 －
TC
－ 0.02
Concave part is applied with electric discharge finishing ( 0.4 )
Shape Select from the following gure
B
0.02
＋ 0.02 0
4
Two flats (right angled) cutting (DorP)/2 ≦ RKC < H/2
L
RKC
RKC － 0.01 0
TRN Relief under the head
Shape
(Makes plate chamfering unnecessary)
DKC Three flats cutting (DorP)/2 ≦ DKC < H/2
RS
SS
CS
BL
• Shaft diameter (P) designation type 0.005 mm
0 － 0.01
Numbering at the back part of the head Range of designation and Designation method D P.365 X Combination with SKC not available E Applicable to H ≧ 2
DKC
DKC
A15
NHC
8
increments possible
Four flats cutting (DorP)/2 ≦ SKC < H/2
SKC
R ≦ 0.1
R ≦ 0.1
R ≦ 0.1
R ≦ 0.1
B C
R
－ 0.01 SKC 0
(2) When designating arbitrary key flat dimensions
E Note that finished products may not release if the boss core pin's A/B ratio, material, molding conditions, etc. are inappropriate.
B
B
B
AG °
± 0.5
Two flats (angled) cutting (DorP)/2 ≦ KGC < H/2 AG = 1° increments 0 < AG < 360 Three flats cutting at 120° (DorP)/2 ≦ KTC ＜ H/2
0 °
KGC
E 0.5 × (DorP) ≦ SR ≦ 2 × (DorP) E B ≦ SR E a ≦ (DorP)−0.4 E a = 2 SR 2 −(SR−B) 2
E 0.3 ≦ R ≦ 0.5 E R ≦ {(DorP)−A−0.2}/2
E 0.2 ≦ C ≦ 0.5 E C ≦ {(DorP)−A−0.2}/2
Unit of designation 0.1 mm
KGC
120 ° 120 °
BS
SG
CG
RG
－ 0.01 120 ° 0
KTC
KTC
R ≦ 0.1
G
B G C
B G R
SR
B
B
E 0.2 ≦ C ≦ 0.5 E C ≦ {(DorP)−A−0.2}/2 E 0.25 ≦ G ≦ 1.0 E A ≧ 2G + 0.5
E 0.3 ≦ R ≦ 0.5 E 0.25 ≦ G ≦ 1.0 E A ≧ 2G + 0.5
E 0.5 ≦ SR ≦ 2 × (DorP) E B ≦ SR E a ≦ (DorP)– 1 E a = 2 SR 2 −(SR−B) 2 ■ Unit of designation T Tolerance Unit of designation C ± 0.1
E 0.25 ≦ G ≦ 1.0 E A ≧ 2G + 0.5
CQ
RQ
SQ
R ≦ 0.1
Q
Q
C
Q
R
R ± 0.1 G ± 0.1 Q ± 0.1 SR ± 0.1 B ± 0.02
0.05 mm increments
B
B
B
E 0.2 ≦ C ≦ 0.5 E C ≦ {(DorP)−A−0.2}/2 E 0.25 ≦ Q ≦ 1.0 E A ≧ 2Q + 0.5
E 0.3 ≦ R ≦ 0.5 E 0.25 ≦ Q ≦ 1.0 E A ≧ 2Q + 0.5
0.01 mm increments
E 0.25 ≦ Q ≦ 1.0 E A ≧ 2Q + 0.5
■ Shaft diameter (D) selection type H Part Number Type Shape D L A
■ Shaft diameter (P) 0.01 mm designation type H Part Number 0.01 mm increments Type Shape No. L P A B 4 2 * 1.50–1.99
0.01 mm increments
B
2 10.00
4 5 6
10.00
SS SG SQ CS CG CQ RS RG RQ BL BS
SS SG SQ CS CG CQ RS RG RQ BL BS
BCDS– BCPS– (SKD61) BCHS– BCVS– (SKH51)
BCDBS– BCPBS– (SKD61) BCHBS– BCVBS– (SKH51)
2.5
2.5
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 6.00–6.49 6.50–6.99 7.00–7.99
5 6
100.00
3
3
100.00
1.0 ≦ A ≦ D–1 0.50 ≦ B ≦ 3.00 and B ≦ 2 × A
1.0 ≦ A ≦ P–1 0.50 ≦ B ≦ 3.00 and B ≦ 2 × A
3.5
3.5
7
7
4
4
4.5
4.5 5 5.5 6 6.5 7
8
8
10.00
10.00
5
1.0 ≦ A ≦ D–1.5
Shape BL/BS are selected 0.30 ≦ B ≦ 3.00
Shape BL/BS are selected 0.30 ≦ B ≦ 3.00
5.5
1.0 ≦ A ≦ P–1.5
9
9
120.00
120.00
6
6.5
10 BCDS– BCHS–
10 BCDBS– BCHBS–
7 8
1.0 ≦ A ≦ D–2
1.0 ≦ A ≦ P–2
8
11
11
E * No.2 c Applicable to Shape BL only.
Part Number
–L–P–A–B– C/R/SR/G/Q
Order
(Shaft diameter D selection type)
BCDS–CG4 – 38.00
– A2.50 – B2.50 – C0.5 – G0.3
(Shaft diameter P designation type) BCHBS–BL3 – 50.00 – P2.80
– B0.40 – SR2.00
Delivery Quotation
423
424
Powered by FlippingBook