Hot Runner & Control Systems

EcoONE-Series Thermal Expansion Allowance Hot Sprue Bushings

68

THERMAL EXPANSION ALLOWANCE The expansion factor must be taken into consideration prior to machining and installing the nozzle. This factor must be added to the nozzle nominal “A” dimension. Z-1 = Nozzle Length “A” + “BE” Thermal Expansion (ΔL) - Nozzle Plate Thickness The formula for determining the thermal expansion is as follows: BE = “A” dimension * 0.0000115 * (nozzle setpoint temperature - mold temperature °C) Note: The expansion coefficient for °F is 0.00000633 EXAMPLE: Nozzle “A” dimension 120mm, setpoint temperature 260°C, mold operating temperature 50°C. BE = 120mm * 0.0000115 * (260° - 50°) = 0.2898mm. Thus nozzle length “A” 120mm + BE 0.2898 = 120.290mm

Tip Assembly T/C Heater Sleeve

T/C Retaining Clips

Heater Wires Power & T/C

Locating Ring

EcoONE SNHR / HSB Nozzle Pocket Dimensions

NOZZLE SERIES

Ø01

Ø02

H1 2.6 2.6 2.6 2.6 4.6 4.6

H2 4.5 4.6 4.7 4.7 6.7 7.1

H5 4.5

H6

EcoONE-04 EcoONE-06 EcoONE-08 EcoONE-10 EcoONE-12 EcoONE-16

8

18 28 30 34 36 42

14.5

10 12 14 16 20

5 5 5

15 15 15 14 17

6.5

7

THERMAL SPRUE THERMAL FULL BODY

THERMAL EXT SPRUE THERMAL EXT FULL BODY

THERMAL BODILESS

Ø02

Ø02

Ø02

H1

H2

H6

H5

Ø01

Ø01

Ø01

ØG

ØG

ØG

EcoONE SNHR / HSB Plate & Nozzle Pocket Dimensions

HEAD HEIGHT mm

B DEPTH mm (+0.02mm / -0.00mm)

C DEPTH mm

D DIA mm

E DIA mm (+0.02mm /-0.00mm)

F DIA mm

PS mm MINIMUM

CT/AP mm MINIMUM

NOZZLE SERIES

EcoONE-04 EcoONE-06 EcoONE-08 EcoONE-10 EcoONE-12 EcoONE-16

15 20 20 20 20 20

15 20 20 20 20 20

12.5 16.5 16.5 16.5 16.5 16.5

31 42 46 48 48 54

25 36 40 42 42 48

18 28 30 32 36 42

15 15 15 15 15 15

33 38 38 38 38 38

+0.05 -0.00

101.40

F DIA E DIA D DIA 77.00

IF WATER LINES ARE REQUIRED IN THE CAVITY PLATE ROUTE THEM AWAY FROM THE NOZZLE HEAD

INSULATOR 6.35

100.00

8.00 MIN

(NOZZLE "L") L = Z-1 - PS + L

WATER LINES ARE RECOMMENDED IN THE "A" PLATE

U.S. 800-626-6653 n Canada 800-387-6600 n DME.net n store.DME.net

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