Steel cord conveyor belt – Cao Su 75

caosu75 — Sun, 16 Jan 2022 08:55:08 +0000

Classification of steel conveyor belts by purpose of use:

Basic structure of steel fiber reinforced rubber conveyor belt

SOME BASIC SPECIFICATIONS

Maximum number of steel cords	156 cords
Maximum width	1800mm
Minimum thickness	11mm (unlimited maximum)
Maximum conveyor belt force	ST4000
Standard roll length	100m (Can be produced according to customer’s requirements up to 400m)
Cable diameter	2,7 – 8,1mm

SOME INDICATORS FOR COVER RUBBER

Types of conveyor belts	Tensile strength (MPa)	Elongation (%)	Abrasion (mm³)
Grade-D anti-abrasive conveyor belt (JIS K 6322:2011)	�?8	�?00	�?00
Heat-resistant conveyor belts up to 1800C (Heat pulse 2200C) (JIS K 6322:2011)	�?6	�?50	�?50
DIN 22102 Conveyor belt (DIN W)	�?8	�?00	�?0
DIN 22102 Conveyor belt (DIN X)	�?5	�?50	�?20
DIN 22102 Conveyor belt (DIN Y)	�?0	�?00	�?50
DIN 22102 Conveyor belt (DIN Z)	�?5	�?50	�?50
Fireproof Conveyor belt (DIN K)	�?0	�?00	�?50

SPECIFICATIONS AND TESTING STANDARDS

No.	Specifications	Testing standards
1	Conveyor belt width	JIS K 6369:2007
2	Conveyor belt thickness	JIS K 6369:2007
3	Working upper cover rubber	JIS K 6369:2007
4	Under rubber cover thickness	JIS K 6369:2007
5	Conveyor belt break tensile strength	JIS K 6369:2007
6	Elongation at break	JIS K 6369:2007
7	Working elongation	JIS K 6369:2007
8	Adhesion between cover rubber layer and core rubber layer	JIS K 6369:2007
9	Adhesion between core rubber layer and reinforcement steel core	JIS K 6369:2007
10	Tensile strength between adhesive rubber and steel wire rope	JIS K 6369:2007
11	Steel core conveyor belt joints	JIS K 6369:2007

caosu75 — Sun, 16 Jan 2022 08:50:21 +0000

Applied standard: JIS K 6369:2007; ISO 22721:2007.

Beside targets in terms of physiomechanical feature, steel cord fire resistant conveyor belt must meet safety technical targets in mines as followed:

No.	Technical parameters	Unit	Target	Standard Check
1	Burning time of 01 design when leaves burning fire.		�?15	ISO 340:2007 QCVN 01 : 2011/BCT
	Total burning time of 06 designs when leave burning fire.	s	�?45
	Ember retention time of 01 design after fire goes out	s	�?60
2	Electric resistance		�?3×108	ISO 284:2003 QCVN 01 : 2011/BCT
3	Friction against drum brake		Fire or ember do not appear, drum brake temperature �?3250C	EN 14973:2006 EN 1554:1999

Basic structure of steel cord conveyor belt provided by 75 Rubber Company

	ST- 500	ST- 630	ST- 800	ST- 1000	ST- 1250	ST- 1400	ST- 1600	ST- 1800	ST- 2000	ST- 2250	ST- 2500	ST- 2800	ST- 3150	ST- 3500
Dislocation durability N/mm	500	630	800	1000	1250	1400	1600	1800	2000	2250	2500	2800	3150	3500
Diameter Steel cord mm	2,8	3,0	3,5	4,0	4,5	4,5	5,0	5,0	6,0	6,3	7,2	7,6	8,1	8,6
Dislocation durability of steel cordKN	5,6	7,0	8,9	13,2	16,5	18,5	21,1	23,7	26,4	29,6	41,7	46,7	52,5	58,4
Cord distance mm	10	10	10	12	12	12	12	12	12	12	15	15	15	15
Minimum thickness of bearing surface and working surfacemm	4,0	4,0	4,0	4,0	4,0	4,0	4,0	4,0	5,0	5,0	5,0	5,0	5,0	5,0
Width mm	Number of steel cables
500	45	45	45	38	38	38	38	–	–	–	–	–	–	–
650	60	60	60	50	50	50	50	50	50	50	40	40	40	40
750	70	70	70	59	59	59	59	59	59	59	47	47	47	47
800	75	75	75	63	63	63	63	63	63	63	50	50	50	50
900	85	85	85	71	71	71	71	71	71	71	57	57	57	57
1000	95	95	95	79	79	79	79	79	79	79	64	64	64	64
1200	113	113	113	94	94	94	94	94	94	94	76	76	76	76
1400	–	–	–	111	111	111	111	111	111	111	89	89	89	89
1500	–	–	–	–	–	–	–	–	–	–	94	94	94	94
1600	–	–	–	–	–	–	–	–	–	–	101	101	101	101

Moreover, the Company also meets specific requirement of customers.