RETURN PINS –TOTAL LENGTH DESIGNATION/TAPPED HOLE TYPE–
RETURN PINS FOR MIDDLE/LARGE MOLD –COUNTERBORE/TAPPED TYPE–
RP4T □ M (4mm Head) RP8T □ M (8mm Head) RP10TLM (10mm Head)
RP8TXE (e7) RP8TXF (f6)
－ 0.1 0
8
M
0.1 A
C1
A
C0.2 ‒ 1.0
A
G
G
1.6
1.6
M × 2
T
L
2
R0.5
＋ 0.1 ＋ 0.5
D
L
M Material SUJ2 H Hardness 58HRC–
M Material SUJ2 H Hardness 58HRC–
A
E A center hole may remain on the end.
E A center hole may remain on one or both ends.
Induction hardening
(Induction hardening)
L RP □ TLM/RP □ TVM: 0.1mm increments RP □ TZM: 0.01mm increments
Part Number
D Tolerance
Part Number
T T Tolerance
L 0.1mm increments
T
H Df6
M
T L Tolerance
H
d
D
Type
D
RP8TXE (e7)
RP8TXF (f6)
Type
D
–0.032 –0.050
–0.016 –0.027
8
35.0–250.0
4
15 20 25 30 35
100.0–400.0 100.0–600.0
11 8 –0.013
20 25 30 35 40
15 20 25 30 35
RP8TXE (e7) RP8TXF (f6)
10.5
–0.022 • RP4TLM/RP4TVM + 0.5 + 0.1 • RP4TZM ≦ 200: + 0.02 0 ＞ 200: + 0.05 0 –0.016 –0.027 –0.020 –0.033
10 12 13 15 16 20 25 30 32 10 12 13 15 16 20 25 30 32 35 40 50 20 25 32
15 10 17 12 18 13 20 15 21 16 25 20 30 25 35 30 37 32 15 10 17 12 18 13 20 15 21 16 25 20 30 25 35 30 37 32 40 35 45 40 55 50 25 20 30 25 37 32
4/5
RP4TLM (Squareness of the head: 0.1) RP4TVM (Squareness of the head: 0.05) RP4TZM (Squareness of the head: 0.02) RP8TLM (Squareness of the head: 0.1) RP8TVM (Squareness of the head: 0.05) RP8TZM (Squareness of the head: 0.02)
35.0–300.0
–0.040 –0.061
–0.020 –0.033
15.5 20.5 25.5
5/6
100.0–700.0
35.0–350.0
–0.050 –0.075
–0.025 –0.041
4 0 –0.05
6/8
50.0–400.0
6/8/10/12
Part Number – L RP8TSM30 – 342
Delivery Quotation
Order
50.0–450.0
8/10/12/16
–0.025 –0.041 –0.013 –0.022
• RP8TLM + 0.5 + 0.1 • RP8TVM
Part Number – L – (NCH) RP8TXE15 – 106.5 – NCH Alteration
4/5
35.0–300.0
Alterations
–0.016 –0.027
5/6
Code
Spec.
35.0–350.0
+ 0.2 + 0.1 + 0.3 + 0.1
≦ 200: ＞ 200:
6/8
50.0–400.0 (600.0) ＊
6/8/10/12
0 –0.1
NCH Changes to no counterbore type.
8
–0.020 –0.033
50.0–450.0 (650.0) ＊
• RP8TZM
+ 0.02 0 + 0.05 0
≦ 200: ＞ 200:
8/10/12/16
RP8TSM
RP8TLM (Squareness of the head: 0.1)
–0.025 –0.041
ℓ
M
100.0–700.0
C1
M10
A
L
6.3
50.0–300.0 50.0–400.0 50.0–700.0
6/8/10/12
+ 0.5 + 0.1
RP10TLM (Squareness of the head: 0.1)
–0.020 –0.033
10 0 –0.1
8/10/12/16
E (600.0) ＊ , (650.0) ＊ : L dimension 50.0–600.0 for RP8TLM D20, L dimension 50.0–650.0 for D25–32.
The return pin with a tap hole can be fixed with a bolt when assembling or performing maintenance on the mold.
20
Part Number – L – M RP4TLM 20 – 199.0 – M8
－ 0.1 0
8
Order
Example
0.1 A
＋ 0.1 ＋ 0.5
D － 0.3 － 0.1
M Material S45C
L
A
(Unannealed steel)
Bolt CB P.1099 –
Delivery Quotation
Head Tap size
Part Number
L 1mm increments
H
M
Type
D
L
25 30 32
30 35 37 45
8
15
Free washer MWSC P.1111 –
RP8TSM
100–700
10
20
40 E If RP8TSM is used with a return pin coil spring (for lathe finishing), there may be a case where the spring (internal diameter) gets scratched and destroyed. Make sure to take this into account when selecting it.
Part Number – L – M – (MMC/SC/LMC) RP4TLM 30 – 200.0 – M8 – MMC8
Alterations
Alteration
Code
Spec.
Part Number – L RP8TSM30 – 342
Delivery Quotation
Order
M
D Tap M selection 8 4 10 4/5
D Tap M selection 16 6/8
D Tap M selection 35 8/10/12
Adds a tap on the head. Selects tap M L = M × 2
20 25 30 32
40 50
MMC
12 13 15
ℓ
Part Number – L – (NM1/NM2/NM3) RP8TSM25 – 199 – NM1
8/10
Alterations
5/6
L
Adds two parallel flats on the head as shown in the figure . (Spanner groove width alteration) φ D 8 101213151620253032354050 B 8 101313171722273232354050
Alteration
Code
Spec.
SC
Leaves the tip without a tap. X Combination with NM2/NM3 not available Leaves the head without a tap. X Combination with NM1/NM3 not available Leaves the tip and head without taps. X Combination with NM1/NM2 not available
NM1
B － 0.2 0
RP4TL (M) RP8TL (M) RP10TL (M)
RP4TV (M) RP8TV (M)
RP4TZ (M) RP8TZ (M)
NM2
Changes the full length tolerance Changes the full length tolerance to negative tolerance as shown in the table on the right.
LMC
–0.1 –0.2 –0.1 –0.3
0 –0.02 0 –0.05
L ≦ 200
–0.1 –0.5
L
NM3
891
892
L ＞ 200
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