Hot Runner & Control Systems

Mini Gate-Mate Gate-Mate ® Hot Sprue Bushings

72

The Mini Gate-Mate Bushings are ideal for fast cycling single cavity molds. The compact design permits shorter overall stack-up of the “A” side mold plates. The Mini Gate-Mate Bushings are provided with either a square coil heater or a cast-in heater. Thermocouple placement provides better heater control, and the overall body design improves thermal insulation. Square coil heater, thermocouple and tip are all replaceable. Sub-assemblies include square coil heater and thermocouple or cast-in heater with integral thermocouple. Tip to be ordered separately.

SPH. RADIUS TYPE BUSHING 2 1 ½ " SPH. Radius Type Bushing

1.500

.625

.250

½ SPH. RADIUS BUSHING SUB-ASSEMBLY

ITEM NUMBER

HEATER TYPE SQUARE COIL

1.187 HEATER

GMB0116 GMB0111

CAST-IN

1.375

NOTE: Tip to be o rdered separately

.281

.6250 DIA.

Mini Gate-Mate Tips

ITEM NUMBER GMT0100 GMT4101

TIP STYLE

-20

1

2

1.086

STANDARD

WEAR RESISTANT Contact for DME for tip recommendations and assistance with your application.

.010 DIA.

NOTE: The expansion factor must be taken into consideration prior to machining for and

Replacement Parts

installation of the bushing. This factor (BE) must then be added to the A dimension. The formula for determining this expansion factor 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 setpoint of 500°F: BE = 1.375 × .0000063 × (500 – 68) = .004 thus 1.375 + .004 = 1.379. Please note that the above information is given as an example. Variations may occur based on mold configuration and cooling factor. In some instances, it may be necessary to obtain an empirical factor.

SUB-ASSEMBLY REFERENCE

BODY TYPE

HEATER TYPE (240 VAC, 250 WATT)

THERMOCOUPLE (36" LEADS)

NOZZLE BODY ONLY

(CAST IN) CIH0100

N/A (INTEGRAL TO HEATER)

GMB0111

1 ⁄

2 RADIUS

GMB0103

(SQUARE COIL) SCH0004

1 ⁄

2 RADIUS

TCG0100

GMB0103

GMB0116

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

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