Page 35 - Hot Runner & Control Systems 2020

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Stellar Systems 23

Gate Details for use with Hardened Steel (50HRC min.)

Fig. 6 Gate Details for Standard Point Gate, High Performance Point Gate Tips
(SXG5110 & SXG5020) For gating onto a flat surface or into a recess* (“dimple”)

Ø2mm/0.08in x 45°
CLEARANCE
5mm/.20in MIN DIAMETER
DISTANCE R 0.25mm/ Ø19.0mm/
BETWEEN 0.010in MIN 0.75in +0.005 +.0002
Z DIMENSION WATERLINE R 3.00mm/ Ø9.800mm /.3858in –.0000
–0.000
AND DROP 0.118in MAX +0.13 +.005
–0.00
90° 30° 2.03mm /.080in –.000
5mm/ R0.25mm/.010in MIN
+0.00
+.000
.20in MIN R0.38mm/.015in MAX 2.54mm /.100in –.005
–0.13
0.13mm/.005in 0.89mm/.035in
R4.76mm/.187in MAX LAND MAX*
0.62mm/.024in R3.18mm/.125in*
To Bottom of Radius
R12.70mm/.500in MIN*
MIN GATE DIAMETER
Ø0.71mm/.028in for un lled resins
Ø1.27mm/.050in for lled resins
NOTES for Figure 6 & 7:
1. If gate detail does not properly
fit the application, contact
DME for assistance about
Fig. 7 Gate Details for Sprue Gate Tips, SXT7040 & SXT7140 gate detail options.
2. Position gate detail within
±0.013mm/.0005in from nominal.
19.5 0.77 3. The gate diameter can be
SXT7140 x 45 opened by the customer Stellar Systems | Gate Details for use with Hardened Steel (50HRC min.)

(The land must be re-machined
19.0 0.75 0.08 to suit the application.
SXT7040 2 IN QUESTION to the maximum dimension
after increasing the
gate diameter.)
4. Water lines are required in “A”
plate for proper gate cooling.
5. Position water lines as close
as possible but not closer than
the minimum distance shown to
provide a safe steel condition.
Z-DIMENSION 6. For faster color changes,
remove (“decone”) the
5 0.20 0.209 resin from the front of
MIN 45° each point gate tip prior
30° 5.30 to changing colors.
7. The minimum “Z” dimension
is 13.00 and the maximum
“Z” dimension is 115 for point
gate and sprue gate tips.
5 0.20
MIN 10.000 +0.005 +0.0002
0.000 0.3937
0.0000
SXT7040
3.30 0.130
MAX RUNNER +0.012 +0.0005
HEIGHT 19.050 0.000 0.7500 0.0000
SXT7140

U.S. 800-626-6653 n Canada 800-387-6600 n dme@milacron.com n www.dme.net