GUIDE FOR SPRUE BUSHINGS AND LOCATING RINGS
List for Sprue Bushings
Category | Type | Type | Material | ||||
---|---|---|---|---|---|---|---|
S45C | HPM1 comparable | SKD61 | DC53 | ||||
Normal bolt type (Flange thickness: 10mm) |
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Straight | - | SBBPE | SBBKE | - | |
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Tapered | - | SBGPE | SBGKE | - | ||
Shoulder type | ![]() |
Straight | - | SBSME | SBSDE | - | |
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Tapered | - | SBTME | SBTDE | - | ||
Normal bolt type (Flange thickness : 10mm) Old JIS A type |
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Straight | SJACE | SJAME | SJADE | - | |
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Tapered | SJGCE | SJGME | SJGDE | - | ||
Proper bolt
type (Flange thickness : 10mm) |
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Straight | - | SBBME | SBBDE | - | |
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Tapered | - | SBGME | SBGDE | - |
Ecology Sprue Bushings-Guide- PDF (143KB)
Ecology Sprue Bushings-Examination results- PDF (165KB)
Category | Type | Material | S45C | HPM1 comparable | SKD61 | DC53 | ||||
---|---|---|---|---|---|---|---|---|---|---|
Type | Normal | String eliminator type | Normal | String eliminator type | Normal | String eliminator type | Normal | String eliminator type | ||
Normal bolt (P3.5, SR11) (Flange thickness: 10mm) |
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Straight | - | - | SBBP-B | SBBPH-B | SBBK-B | SBBKH-B | SBBS-B | SBBSH-B |
Normal bolt type (Flange thickness: 10mm) |
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Straight | - | - | SBBP | SBBPH | SBBK | SBBKH | SBBS | SBBSH |
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Tapered | - | - | SBGP | SBGPH | SBGK | SBGKH | SBGS | SBGSH | |
Normal bolt (Flange thickness: 10mm) |
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Straight | - | - | - | SBBJH | - | SBBYH | - | - |
Old JIS A type |
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Straight | SJAC | SJACH | SJAM | SJAMH | SJAD | SJADH | - | - |
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Tapered | SJGC | SJGCH | SJGM | SJGMH | SJGD | SJGDH | - | - | |
Proper bolt type (Flange thickness: 10mm) |
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Straight | - | - | SBBM | SBBMH | SBBD | SBBDH | - | - |
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Tapered | - | - | SBGM | SBGMH | SBGD | SBGDH | - | - | |
Normal bolt type (Flange thickness: 15mm) |
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Straight | - | - | SBBH | SBBHH | SBBT | SBBTH | SBBX | SBGX |
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Tapered | - | - | SBGH | SBGHH | SBGT | SBGTH | SBBXH | SBGXH | |
Normal bolt type (Flange thickness: 20mm) |
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Straight | SBBF | SBBFH | SBBR | SBBRH | - | - | - | - |
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Tapered | SBGF | SBGFH | SBGR | SBGRH | - | - | - | - | |
Normal bolt type (Flange thickness: 8mm) |
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Straight | - | - | SBBZ SBBZS |
- | SBBV SBBVS |
- | - | - |
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Tapered | - | - | SBBZT SBBZTS |
- | SBBVT SBBVTS |
- | - | - |
(Shoulder type)
Category | Type | Material | S45C | HPM1 comparable | SKD61 | DC53 | ||||
---|---|---|---|---|---|---|---|---|---|---|
Type | Normal | String eliminator type |
Normal | String eliminator type |
Normal | String eliminator type |
Normal | String eliminator type |
||
Shoulder type | ![]() |
Straight | - | - | SBSM | SBSMH | SBSD | SBSDH | SBSS | SBSSH |
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Tapered | - | - | SBTM | SBTMH | SBTD | SBTDH | SBTS | SBTSH | |
Old JIS B type |
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Straight | SJBC | SJBCH | SJBM | SJBMH | SJBD | SJBDH | - | - |
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Tapered | SJTC | SJTCH | SJTM | SJTMH | SJTD | SJTDH | - | - |
(Electroforming Sprue Bushings·Normal bolt Type) PDF (112KB)
Category | Type | Type | Part Number |
---|---|---|---|
Normal bolt type (Flange thickness:10mm) |
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Straight | SBBN |
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Tapered | SBBNT | |
Normal bolt type (Flange thickness:15mm) |
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Straight | SBBE |
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Tapered | SBBET | |
Normal bolt type (Flange thickness:20mm) |
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Straight | SBBL |
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Tapered | SBBLT | |
Old JIS A type | ![]() |
Straight | SBJE |
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Tapered | SBJET |
(Electroforming Sprue Bushings·Shoulder Type)
Category | Type | Type | Part Number |
---|---|---|---|
Shoulder type |
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Straight | SBSN |
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Tapered | SBSNT | |
Old JIS B type |
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Straight | SBJN |
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Tapered | SBJNT |
(Extension nozzle type)
Category | Type | Material | HPM1 comparable | SKD61 |
---|---|---|---|---|
Type | Normal | Normal | ||
Locator Presser foot |
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Tapered | SXHM | SXHD |
Small nozzle type |
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Straight | SXM | SXD |
Tapered | SXTM | SXTD | ||
Large nozzle type |
Straight | SXDM | SXDD | |
Tapered | SXGM | SXGD | ||
Special nozzle type |
Straight | SXCM | SXCD | |
Tapered | SXSM | SXSD |
(Press fit type)
Category | Type | Material | SKD61 |
---|---|---|---|
Type | Normal | ||
Press fit type |
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Straight | SBBW |
Tapered | SBGW |
(Cooling sprue bushings)
Category | Type | Material | SUS420J2 comparable |
---|---|---|---|
Type | |||
Normal bolt type (Flange thickness:10mm) |
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Normal | SBCK SBCS |
String eliminator type |
SBCKH SBCSH |
List for Sprue Lock Bushings
Type | Material | SKD61 | |
---|---|---|---|
Type | B selection type | B disignation type | |
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Head type | SLBH | SLBF |
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Straight type | SLBS | - |
List for Locating Rings
Appl.sprue bushings | Category | |||||
---|---|---|---|---|---|---|
Material S45C | ||||||
Standard type | Large diameter type |
JIS type | Runner lock pin presser type | Reversible type | Locating ring adapter |
|
For bolt type | LRBS LRBF LRBD |
LRK | LRJS | LRJST | LRBW | LAR |
For shoulder type |
LRSS LRSD |
- | - |
Materials of Locating Ring and Sprue Bushings
Material | Hardness | Remarks |
---|---|---|
S45C | (Annealed steel) | - |
HPM1 comparable | 37~43HRC | Prehardened steel by aging |
SKD61 | 48~52HRC | Quench-and-temper Tempering: 550°C or higher |
DC53 | 58~62HRC | Quench-and-temper Tempering: 200°C or higher |
Nickel alloy (Electro forming) |
(Inside:0.5mm) 55~60HRC (Outside) 38~42HRC |
Details (PDF (112KB)) |
Example of Combination(Normal Bolt stopper type)
Part Number | For two-plate mold | For three-plate mold |
---|---|---|
Locating ring LRBS LRBF Sprue Bushings SBB□ SBG□ |
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Locating ring LRBS LRBF Sprue Bushings SBB□ SBG□ |
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Locating ring LRBD Sprue Bushings SBB□ SBG□ |
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Locating ring LRK Sprue Bushings SBB□ SBG□ |
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Locating ring LRK Sprue Bushings SBB□ SBG□ |
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Example of Combination(Old JIS Type)
Part Number | For two-plate mold | For three-plate mold |
---|---|---|
Locating ring LRJS Sprue Bushings SJA□ SJG□ |
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Locating ring LRJS Sprue Bushings SJB□ SJT□ |
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Example of Combination(Shoulder Type)
Part Number | For two-plate mold | For three-plate mold |
---|---|---|
Locating ring LRSS Sprue Bushings SBS□ SBT□ |
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Locating ring LRSD Sprue Bushings SBS□ SBT□ |
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About Steel Sprue Bushings
![](images/09sprgai-39.gif)
![](images/09sprgai-42.gif)
About the head of sprue bushings
Relief processed in the flange neck part of sprue bushing(3mm range).
Because R is large than the relief depth, do chamfering toinstallation holes.
(Refer to each page for details, please.)
![](images/09sprgai-40.gif)
![](images/09sprgai-41.gif)
GUIDE FOR HOT RUNNER NOZZLE
Available only in Japan
The gate set at the tip of hot runner nozzle can be opened/closed according to the injection pressure.
![](images/09sprgai-37.gif)
HRF-PHS
HRH-PHS
HRT-TK(K type)
HRT-TJ(J type)
Installation example
Available only in Japan
Part Number | For two-plate mold |
---|---|
Locating Ring LRSS Hot runner nozzle HRU-BH |
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