Hot Runner & Control Systems

Jumbo Gate-Mate ® Machining Dimensions Gate-Mate ® Hot Sprue Bushings

77

BUSHING ASSIMBLY

90˚

Machining Dimensions for Bushings

+.0005 –.0000 1.2500 DIA.

2.750 DIA.

+.002 –.000 2.626 DIA.

.80˚ INCL

.625 WIRE CHANNEL. 2.000 DIA.

.563

.375 RAD.

.125 RAD.

.219

4.000 DIA.

.187 SPH. RAD. .005 LAND (MAX.) .030

TO SUIT .070 MIN.

+.0005 –.0000 1.2500 DIA. .125 RAD.

.140

A + BE SEE NOTE

30˚

ITEM NUMBER REFERENCE

A

1.000

BUSHING SUB-ASSEMBLY

BUSHING ASSEMBLY GMB0008 GMB0009

2.500 3.500

GMB0113 GMB0114

.31 MIN. DISTANCE BETWEEN WATERLINE AND DROP

NOTE: The expansion factor must be taken into consideration prior to machining for, and installing bushing. This factor (BE) must then be added to the nominal A dimension. Formula for determining this expansion is as follows: BE = “A” dimension x 0.00000633 x nozzle set point - 68ºF (assuming the mold is at 68ºF during operation). If mold temperature is different, substitute 68ºF with actual mold temperature.

EXAMPLE: Given a 2.500 inch A dimension, with a Bushing Set Point temp. of 500°F: BE = 2.500 × .0000063 × (500 – 68) = .007 thus A + BE will be 2.507. Please note that this information is given as an example. Variations may occur based on mold configurations and cooling factor. In some instances, it may be necessary to obtain an empirical factor.

Replacement Parts Improved tip insulation, elimination of material degradation in threaded area of tip, and faster color changes can be achieved through use of a Gate Shell Insulator.

NOZZLE BODY ONLY

ITEM NUMBER REFERENCE

SQUARE COIL HEATERS (240VAC) ITEM NUMBER WATTS LENGTH

THERMOCOUPLE (TYPE J, 36" LEADS)

ITEM NUMBER

BUSHING SUB-ASSEMBLY

BUSHING ASSEMBLY GMB0008 GMB0009

LENGTH

1.18 2.18

GMC0010 GMC0005

GMB0113 GMB0114

SCH0002 SCH0001

600 800

1.70 2.70

TC0002 TC0001

Jumbo Gate-Mate Locating Ring

1.50

-18 TAPPED THRU

5

16

ITEM NUMBER GMB0007

NOTES: 1. Two (2) 5 ⁄ 16 -18 S.H.C.S. are included with Locating Ring 2. Two (2) Drilled and C’bored holes for 5 ⁄ 16 -18 S.H.C.S. are on a 1.656 Circle radius in Locating Ring 3. C’bore depth in Top Clamp Plate and C’bore depth in locating ring can be altered to suit application

2.687 DIA.

3.990 DIA.

.218

DRILLED & C'BORED FOR -18 S.H.C.S. 16 5

7

32

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

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