R–CHAMFERED BLOCK CORE PINS –STRAIGHT TYPE / FLANGE TYPE–
■ Flange type Part Number
■ Straight type Part Number
Part Number One place of R Two places of R Three places of R Four places of R
M Material ( H Hardness)
Shape
0.01mm increments
0.01mm increments
R
R H
Type Shape
Type Shape
L
P
W
L
P
W
SPHD–2AR SPHD–2BR SPHD–2CR BCSSN–2AR BCSSN–2BR BCSSN–2CR BCSH–2AR BCSH–2BR BCSH–2CR BCSH–2DR BCSN–2AR BCSN–2BR BCSN–2CR BCSN–2DR
SKH51 (61–64HRC)
1AR 1BR 2AR 2BR 2CR 2DR 3AR 3BR 4R
SPHD–1AR
SPHD–3AR SPHD–4R
1AR 2AR 2BR 2CR 3AR 4R
1.00–1.99 1.00–10.00
1.00–1.99 1.00–10.00
Straight type
BCSH– (SKH51) BCSN– (NAK80)
SPHD– (SKH51)
0.1 0.15 0.2
0.1 0.15 0.2
NAK80 (37–43HRC)
BCSSN–1AR
BCSSN–3AR BCSSN–4R
4 6
*
*
10.00 –
70.00
2.00–10.00 1.00–20.00
10.00 –
70.00
2.00–10.00 1.00–20.00
BCSSN– (NAK80)
BCSH–1AR BCSH–1BR
BCSH–3AR BCSH–3BR
SKH51 (61–64HRC)
BCSH–4R
10.01–20.00 2.00–20.00
10.01–20.00 2.00–20.00
Flange type
BCSN–1AR BCSN–1BR
BCSN–3AR BCSN–3BR
NAK80 (37–43HRC)
E *P ＜ 2.00 c L ≦ 50.00 W ＜ 2.00 c L ≦ 50.00
E *P ＜ 2.00 c L ≦ 50.00 W ＜ 2.00 c L ≦ 50.00
BCSN–4R
H ( BCSH
■ Precision Standard: D P.469
Part Number
BCSN )
– L – P – W – R –
Order
Type Shape BCSH–1AR – 20.00 – P3.20 – W3.00 – R0.2 –
–Straight type– SPHD – □□□ BCSSN– □□□
–Flange type– BCSH– □□□ BCSN– □□□
H6
2
(Range of R machining)
Quotation
Delivery
Relief on the flange
0 －
H
① R
② R
0.02
② R
①
(Range of R machining)
R
Part Number – L – P – W – R – H (HC) – (TC) BCSH–2AR – 45.00 – P1.8 – W3.8 – R0.2 – HC3
Alterations
＋ 0.02 0
③ R
④ R
0 －
L
0 － 0.005
＋ 0.02 0
④ R
P
③ R
0.005
P
L
Alterations
Code
Spec.
Changes the flange width (0.3 ≦ TC ≦ 3.0) BCSX only (0.3 ≦ TC ≦ 1.0) TC = 0.1mm increments E L10.00–30.00 c 0.3 ≦ TC ≦ 1.5 L30.01–50.00 c 0.3 ≦ TC ≦ 2.5 L50.01–70.00 c 0.3 ≦ TC ≦ 3.0
E Side of flange has R–groove since R– chamfering is processed to overall length.
R position ① Upper left ② Upper right ③ Lower left ④ Lower right
No of R machining
Shape
TC
① –
–
– – –
1AR 1BR 2AR 2BR 2CR 2DR 3AR 3BR
One place
–
② –
① ② –
Range of R machining
① – ① –
③ –
Two places
–
④ ④
–
② –
H
C hanges the flange thickness HC = 0.1mm increments E 2 ≦ HC ＜ H
① ② ③ –
HC
Three places
① ② –
④
HC
① ② ③ ④
4R
Four places
Dimension L remains unchanged
Internal R groove
Shape (Details of R position)
Shape
■ Standards correspondence table
○
△
−
Code
One place of R
Two places of R
Three places of R Four places of R
L
10.00–70.00 10.00–50.00 Nostandard
1AR ① Upper left
2AR ① Upper left ② Upper right 2BR ① Upper left ③ Lower left 2CR ① Upper left ④ Lower right 3AR ① Upper left ② Upper right ③ Lower left
4R Four places
■ Straight type Part Number
■ Flange type Part Number
① R
① R
① R
① R
① R
② R
② R
② R
① R
1.00–1.99 2.00–3.00 3.01–5.00 5.01–10.00 10.01–15.00 15.01–20.00
1.00–1.99 2.00–3.00 3.01–5.00 5.01–10.00 10.01–15.00 15.01–20.00
W P 1.00– 1.99 2.00– 3.00 3.01– 5.00 5.01–10.00 10.01–15.00 15.01–20.00
W P 1.00– 1.99 2.00– 3.00 3.01– 5.00 5.01–10.00 10.01–15.00 15.01–20.00
△ △ △ △ –
–
△ △ △ △ –
–
△ ○ ○ ○ ○ ○ △ ○ ○ ○ ○ ○ △ ○ ○ ○ ○ ○
△ ○ ○ ○ ○ ○ △ ○ ○ ○ ○ ○ △ ○ ○ ○ ○ ○
④ R
③ R
③ R
④ R
③ R
BCSH– □□□ (SKH51) BCSN– □□ (NAK80)
SPHD– □□□ (SKH51) BCSSN– □□ (NAK80)
P
P
P
P
P
P
1AR ① Upper left
2AR ① Upper left ② Upper right
2CR ① Upper left ④ Lower right
3AR ① Upper left ② Upper right ③ Lower left
4R Four places
– –
○ ○ ○ ○ ○ ○ ○ ○ ○ ○
– –
○ ○ ○ ○ ○ ○ ○ ○ ○ ○
② R
① R
① R
① R
② R
② R
① R
① R
③ R
③ R
④ R
④ R
P
P
P
P
P
1BR ② Upper right
2BR ① Upper left ③ Lower left
2DR ② Upper right ④ Lower right
3BR ① Upper left ② Upper right ④ Lower right
② R
② R
① R
① R
② R
R tolerance (reference value) within +0.02
③ R
④ R
④ R
P
P
P
P
471
472
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