PRODUCT SELECTION ① SPRUE BUSHINGS
■ Sprue Bushings • Bolt fixing type Category
• Ecology Sprue Bushings(Web-only product) Category Material
• Cooling Sprue Bushings (Web-only product)
Bolt hole Pitch
String Eliminator Processing
HPM1 equivalent
Material (Hardness) SUS420J2 equivalent (37–43HRC) SUS420J2 equivalent (47–50HRC) SKD61 (48–52HRC)
S45C
SKD61
Category
Normal
Type
Normal
String Eliminator Processing
Shape Flange thickness
Bolt hole Pitch
Type
HPM1 equivalent SKD61 DC53
Material
Shape Flange thickness
S45C HPM1 equivalent SKD61 DC53 S45C
Type
Normal bolt type
L dimension selection (P3.5, SR11) P.677 L dimension designation P.679
–
SBBPE SBBKE
SBCS SBCSH
30mm
Normal bolt type (Flange thickness 10mm)
–
SBBP–B SBBK–B SBBS–B –
SBBPH–B SBBKH–B SBBSH–B
10mm
Normal bolt (Old) JIS A type
25mm 36mm
SJACE SJAME SJADE
SBCK SBCKH
–
SBBP SBBK SBBS –
SBBPH SBBKH SBBSH
30mm
10
Straight
10mm
Special bolt type
–
SBBME SBBDE
SBCD SBCDH
32mm
Plate thickness selection P.681
10
–
–
–
–
–
SBBJH SBBYH –
15mm
10
Shoulder type
(Old) JIS A type P.683
–
–
SBSME SBSDE
25mm 36mm
SJAC SJAM SJAD –
SJACH SJAMH SJADH –
15
■ Sprue Bushings and Locating Rings Materials
Normal bolt type
Straight
Special bolt type * P.685 L dimension designation P.687 L dimension designation P.689 L dimension designation Web - only product L dimension designation P.679
–
SBGPE SBGKE
30mm
Compatible Resins (Reference)
*
*
*
*
–
SBBM
SBBD
–
–
SBBMH
SBBDH
–
32mm
M Material
H Hardness
Remarks
10mm
Normal bolt (Old) JIS A type
25mm 36mm
15mm
SJGCE SJGME SJGDE
S45C
(Raw material)
Normal resin
–
–
SBBH SBBT SBBX –
SBBHH SBBTH SBBXH
38mm
10
Tapered
15
HPM1 equivalent
using aging treatment Pre-hardened steel
Special bolt type
37–43HRC
Normal resin
20mm
–
SBGME SBGDE
32mm
SBBF SBBR –
–
SBBFH SBBRH –
–
49mm
Glass fiber–filled resin (engineering plastics) Glass fiber–filled reinforced resin (super engineering plastic)
Hardening and tempering treatment Tempering temperature: (550 ℃ or more) Hardening and tempering treatment Tempering temperature: (200 ℃ or more)
SKD61
48–52HRC
15mm
20
Shoulder type
–
–
SBTME SBTDE
8mm
SBBZ SBBZS
SBBV SBBVS
DC53
58–62HRC
15
–
–
–
–
–
–
22mm
8
• Extension nozzle type
• Sprue lock bushings
Material
SKD61
Material
HPM1 equivalent
SKD61
–
SBGP SBGK SBGS –
SBGPH SBGKH SBGSH
30mm
Category
Shape
Page
Shape
Page
B dimension selection
B dimension designation
Type
Normal
Normal
Type
10mm
(Old) JIS A type P.683
Locator presser type Small nozzle type Large nozzle type Special nozzle type
25mm 36mm
SXHM SXHD
P.694
Tapered
SJGC SJGM SJGD –
SJGCH SJGMH SJGDH –
Head Type
SLBH SLBF
SXM SXD SXTM SXTD SXDM SXDD SXGM SXGD SXCM SXCD SXSM SXSD
Straight Tapered Straight Tapered Straight Tapered
10
Special bolt type * P.685 L dimension designation P.687 L dimension designation P.689 L dimension designation Web - only product
*
*
*
*
P.699
–
SBGM
SBGD
–
–
SBGMH
SBGDH
–
32mm
P.695
Straight Type
15mm
SLBS –
Tapered
–
SBGH SBGT SBGX –
SBGHH SBGTH SBGXH
38mm
15
20mm
■ Sprue Bushings ● Coaxiality and squareness
SBGF SBGR –
–
SBGFH SBGRH –
–
49mm
20
8mm
SBBZT SBBZTS
SBBVT SBBVTS
◎
φ 0.2
◎
φ 0.3
◎
φ 0.2
◎
φ 0.3
A
A
A
A
A
A
–
–
–
–
–
–
22mm
8
* All bolts except the special ones are general–purpose bolts.
• Shoulder type Category
Type
Normal
String Eliminator Processing
E Temper color (heat treatment color) may be applied to the end face and side face of the flange of sprue bushings made of SKD61 or DC53.
HPM1 equivalent
HPM1 equivalent
Material
Shape Flange thickness
S45C
SKD61 DC53 S45C
SKD61 DC53
Type
15mm
φ 0.02/100
φ 0.02/100 A
Shoulder type P.691
A
–
SBSM SBSD SBSS –
SBSMH SBSDH SBSSH
15
Straight
25–30mm
(Old) JIS B type Web - only product
● Neck of sprue bushings Flange necks of sprue bushings may have gone through a relief process (3mm range). Since the R is larger than the escape depth, the mounting hole should be chamfered. (Please refer to each page for details.)
SJBC SJBM SJBD –
SJBCH SJBMH SJBDH –
3
25–30
R
15mm
Shoulder type P.691
–
SBTM SBTD SBTS –
SBTMH SBTDH SBTSH
L
15
Tapered
25–30mm
(Old) JIS B type Web - only product
SJTC SJTM SJTD –
SJTCH SJTMH SJTDH –
669
670
25–30
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