GUIDE FOR COMPONENTS OF RUNNER

Runner Lock Pins Material SKH51 Hardness 58~60HRC

Part Number
Normal head diameter Large head diameter Applicable Runner Lock Bushings
L dimen-
sion
selec-
tion
L dimension
designation
L dimension designation
B dimen-
sion
selec-
tion
B
dimension selection
B
dimension
designation
B dimension selection B dimension designation
Type *Tip shape P·Y dimen-
sion selec-
tion
P·Y dimen-
sion selec-
tion
P·Y dimension designation P·Y dimension designation
Straight type Standard
-All-purpose type-
RLR RLRL RLRB RLRBF RLRG RLRGF RLBST
RLBS
Hard Lock
-Strong lock type-
RLH RLHL RLHB RLHBF RLHG RLHGF
Super Hard Lock
-Strong lock type-
- RLEL - - - -
With introduction
-Chipping prevention type-
- - RLRSB RLRSBF - -
Tip edge
-Soft resin correspondence type-
- - RLREB RLREBF - -
Cone-shaped tip
-Short cooling time type-
- RLKL
RLKS
RLKB RLKBF RLKG RLKGF
Tapered type Standard
-All-purpose type-
- - RLTB RLTBF RLTG RLTGF RLBT
Hard Lock
-Strong lock type-
- - RHTB RHTBF RHTG RHTGF

Example

Example of Runner Lock Pins use


Applicable Screw Plugs
Refer to Reference 1 Reference 2 for the standard.

D Standard head type Large head type
H Applicable Screw Plugs H Applicable Screw Plugs
2 4 MSW 6 4 MSW 6
2.5 5 MSW 8 6 MSW 8
3 5 MSW 8 6 MSW 8
4 6 MSW 8 7 MSW10
5 7 MSW10 8 MSW10
6 8 MSW10 9 *MSW12
8 10 *MSW12 11 *MSW14
10 13 *MSW16 15 *MSW18
*Fine thread(Pitch1.5)

How to hold down runner lock pins

APP
LRJST

Runner Lock Pin Bushings Material SKD11 Hardness 60~63HRC

Type Characteristics Shape Part Number Example
For straight,
no tapering
required
The bushing
is tapered and facilitates
processing plates.
RLBST
For straight Guide for
straight runner lock pin
RLBS
For tapered Guide for
tapered runner lock pin
RLBT

Runner Change Pins Material SKD61 Hardness 48~52HRC

Type Characteristics Shape Part Number Example
L
dimension selection
L
dimension designation
For movable side For ejector pin The runner change pin itself has a sprue lock function.
Use it together with the ejector pin with tip shape processing.
RCPN RCPL
For Z pin assembling Sprue lock function by using a Z pin. (Ejector pin with Z groove)
Click here
RCPNZ RCPLZ
Flow quantity adjustable By using this type together with a stopper, fine adjustment of the runner flow rate can be performed from the PL face. RFAN RFAL
Fixed side type Type used without combining ejector pin. For fixed side. RCPK -