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Tunnel gate inserts (4.3 MB)

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Tunnel Gate Inserts (4.3 MB)

Gate insert - SGC

SGC - with side gating

curved tunnel permits gating deep inside the part
integrated dead-end recess reduces loss of pressure and shear stress
highly wear-resistant hot working steel M2 (1.3343) – 54+2 HRC

Sizes / Shot weights

The chart shows the shot weights which can be reached with the respective sizes depending on the viscosity of the plastic materials used.

	SGC-XS	SGC-S	SGC-1	SGC-2	SGC-3
gate point	0,4 - 0,8	0,4 - 1,0	0,6 - 1,4	0,8 - 2,1	~ Ø 1,1 - 3,3
Ø runner	2.5	2.5	4	6	8
NV *	12	20	35	250	1000
MV *	7	12	25	120	500
HV *	5	8	15	90	300

* max. shot weights (g)

NV: low viscosity
MV: medium viscosity
HV: high viscosity

SGC

	b	b1	b2 max.	d3	h	h1 max.	h2	h3	l1	l2	M
SGC-XS	10	5	1,1	2,5	12	0,6	1.9	2,0	5	3.2	4
SGC-S	15	6	2,0	2.5	18	2	3.5	4,0	8	4	4
SGC-1	18	8	1,8	4	22	2	3.5	4,1	9	5.2	5
SGC-2	25	10	2,5	6	22	2,5	4.8	5,7	8	6.5	5
SGC-3	30	12	2,8	8	27	4,5	7.5	8,4	9	7	6

SGC-XS

A [mm²]	~ Ø [mm]	b2 [mm]
0.13	0.4	0.9
0.3	0.6	1.0
0.53	0.8	1.1

SGC-S

A [mm²]	~ Ø [mm]	b2 [mm]
0.15	0.4	1.7
0.33	0.6	1.8
0.55	0.8	1.9
0.79	1.0	2.0

SGC-1

A [mm²]	~ Ø [mm]	b2 [mm]
0.28	0.6	1.4
0.53	0.8	1.5
0.82	1.0	1.6
1.15	1.2	1.7
1.52	1.4	1.8

SGC-2

A [mm²]	~ Ø [mm]	b2 [mm]
0.28	0.6	1.7
0.54	0.8	1.8
0.84	1.0	1.9
1.2	1.2	2.0
1.57	1.4	2.1
2.0	1.6	2.2
2.43	1.75	2.3
2.9	1.9	2.4
3.4	2.1	2.5

SGC-3

A [mm²]	~ Ø [mm]	b2 [mm]
1.0	1.1	2.0
1.75	1.5	2.1
2.56	1.8	2.2
3.43	2.1	2.3
4.35	2.35	2.4
5.32	2.6	2.5
6.33	2.85	2.6
7.38	3.0	2.7
8.48	3.3	2.8

Thermoplastic elastomers (TPE)

Low Shore hardness = shorter distance L
Use centring pin
Max. hardness 100 Shore A

Table for distance L

	TPE, TPU etc.	PE, PP, PET etc.	PC/ABS, PA, POM, HI-PC etc.	PA+GF, PC, SAN, PMMA etc.
SGC-XS	12-16	13-20	16-23	22-29
SGC-S	16-21	18-25	21-28	27-34
SGC-1	21-26	26-34	31-39	36-45
SGC-2	28-33	31-39	36-44	41-50
SGC-3	33-38	38-48	43-53	48-58

Examples of installation

Side gating - standard installation

Side gating - adapted to part

Insert gates

Heatlock hot-runners

Servo system components

Mold accessories

SIDE GATING