DME 375 Series Ring Gate Nozzle - Manual

2.001 0.000
+0.001
DIA.
0.125 MIN.
"A" + BE
0.250 MIN.
1.625
DIA.
3
0
.0
°
BORE TO FIT TIP
("T" DIA.) +0.0005 / -0.0000
0.080
CHAMFER
0.030 X 45
SQUARE COIL OR
CAST-IN HEATER
MANIFOLD LINE
NOTE: Dimensions are shown in Inches.
0.500 0.100
EHT0008 0.080 0.750
EHT0009 0.100
REFER TO : MINI PRINT # 1800
NOTE:
INSTALLATION DATA
information below
RING GATE TIP SUB-ASSEMBLY
expansion factor into consideration. For best results, please follow the
and Tip-assembly. NOTE: Nozzle Assembly requires Nozzle Sub-assembly
Before installing a Ring Gate Nozzle, it is important to take the nozzle's
375 SERIES RING GATE NOZZLE
See material manufactures literature for further information regarding material to be molded.
when selecting small gate diameters. High injection rates may require larger gates due to shear heat build up (e.g. high weight thin wall applications ).
requirements, gate vestiage, wall thickness and configuration of part to be molded. Situations requiring high injection velocities must be considered
For selection of gate diameter it is important to take into consideration the materials flow characteristics, shear rate of resin, molding conditions, fill time
RG3/IS ME-0741-PS-550-D
0.750
EHT0037 0.080
2.500
1.000
EHT0038 0.100
EHA0010
1.000
EHA0009 CIA0009
Thus "A" + BE will be 3.008
Note:
BE = 3 x 0.00000633 x (500 - 68 ) = 0.008
F:
In some instances it may be necessary to obtain an empirical factor.
MACHINING DETAILS
may occur based on mold configurations and cooling factor.
The above information is only given as an example. variations
temperature of 500
EXAMPLE: Given a 3 inch "A" dimension, with a nozzle set point
F). BE="A" dimension x 0.00000633 x(Nozzle set point temperature - 68
Formula for determining this expansion factor is as follows:
will now be flush with cavity line.
how to figure boring depth (dimension "A" + BE).The tip of the nozzle
iron (magnetic).
08-08
1 T/C lead is BLACK and positive (+)
constantan (non-magnetic).
) - 1 T/C lead is WHITE and negative (
Thermocouple is "J" Type. Thermocouple is supplied with 36" leads.
2 power leads are Multi Color. 1 ground lead is GREEN.
Heaters are 240 VAC.
prestripped 36" long leads.
Square Coil Heaters and Cast-In Heaters are supplied with 2"
WIRING INFORMATION
below shows flush or slightly protruding thru the gate. The formula
to the nominal dimension "A". The position of the needle will now be
expansion of the nozzle (BE) at a given temperature must be added
To compensate for the nozzle's growth when heat is applied, the linear
CIA0010 3.000
EHA0011 CIA0011 3.500
EHA0012 CIA0012 4.000
EHA0013 CIA0013 5.000
"N' Dia. (max.)
square coil or cast-In
7.000 CIA0015 EHA0015
6.000 CIA0014 EHA0014
1.437 1.625
square coil or cast-In
"N' Dia. (min.)
General Table
NOZZLE SUB-ASSEMBLY
CATALOG NUMBER
"A" DIMENSION
FOR NOZZLE ASSEMBLY SQ.COIL HTR. CAST-IN HTR.
EHA0008 CIA0008 2.000
CATALOG NUMBER "O" DIA. "T" DIA.
EHT0006 0.080 0.500
EHT0007