GUIDE FOR COMPONENTS OF RUNNER
■ Runner Lock Pin Bushings M Material SKD11 H Hardness 60–63 HRC Type Characteristics Shape Catalog Page Part Number
■ Runner Lock Pins M Material SKH51 H Hardness 58–60 HRC
Part Number
Example
Standard head diameter
Large head diameter
＊ Tip shape
L dimension selection B dimension selection P / Y dimension selection
L dimension designation
L dimension designation
Applicable Runner Lock Bushings
4
B dimension designation
B dimension selection
B dimension designation
B
L
B dimension selection
For straight, no tapering required
The bushing is tapered and facilitates processing plates.
RLBST
P.723
P / Y dimension selection
P / Y dimension designation
P / Y dimension designation
＊ Tip shape
Type
Standard –All–purpose type– (P.713) Hard Lock –Strong lock type– (P.715) Super Hard Lock –Strong lock type– (P.722)
RLBST
RLR RLRL
RLRB RLRBF RLRG RLRGF
L B
Guide for straight runner lock pin
RLH RLHL RLHB RLHBF RLHG RLHGF
For straight
RLBS
P.723
MSWA
B
RLEL
–
–
–
–
–
RLBS
RLBST RLBS
B
With introduction –Chipping prevention type– (P.719) Tip edge –Soft resin correspondence type– (P.720) Cone–shaped tip –Short cooling time type– (P.721)
Plates
RLRSB RLRSBF
–
–
–
–
Guide for tapered runner lock pin
For tapered
RLBT
P.723
B
RLREB RLREBF
–
–
–
–
RLBT
B
■ Runner Change Pins M Material SKD61 H Hardness 48–52 HRC
RLKL RLKS
RLKB RLKBF RLKG RLKGF
–
Part Number
Catalog Page
B
L dimension selection
L dimension designation
Type
Characteristics
Shape
Example
Standard –All–purpose type– (P.717) Hard Lock –Strong lock type– (P.718)
RLTB RLTBF RLTG RLTGF
–
–
RCPN 、 RCPL
B
The runner change pin itself has a sprue lock function. Use it together with the ejector pin with tip shape processing. Sprue lock function by using a Z pin. (Ejector pin with Z groove) D P.69
RLBT
For ejector pin type
RHTB RHTBF RHTG RHTGF
–
–
RCPN RCPL
P.727
B
Example of Runner Lock Pins use
RCPNZ 、 RCPLZ
Example
■ Applicable Screw Plugs Refer to D P.1107 for the standard. D Standard head type
For Z pin assembling
RCPNZ RCPLZ
P.725
Large head type H Applicable Screw Plugs H Applicable Screw Plugs
2
4
MSW 6 MSW 8 MSW 8 MSW 8 MSW10 MSW10
4 6 6 7 8 9
MSW 6 MSW 8 MSW 8 MSW10 MSW10
2.5 5
3 4 5 6 8
5 6 7 8
RFAN RFAL
※ MSW12 ※ MSW14
By using this type together with a stopper, fine adjustment of the runner flow rate can be performed from the PL face.
※ MSW12 ※ MSW16
10 13
11 15
Flow quantity adjustable
RFAN RFAL
P.733
※ MSW18 ※ Fine thread (Pitch 1.5)
10
Straight type usage
Tapered type usage
How to hold down runner lock pins
LRJST （ P.703 ）
RCPK
APP （ P.556 ）
Type used without combining ejector pin. For fixed side.
RCPK
Fixed side type
P.729
–
Held down with a locating ring, heat insulating plate etc.
Held down with a screw plug.
Held down with a sprue bushing.
Held down with a locating ring.
Held down with an angular pin stopper plate (APP).
711
712
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