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Rolls are made of chilled cast alloy iron, /rubber machine/calendering /3 roll calender/ 4 roll callender rubber machine - details see: https://www.machineto.com/rubber-4-roll-calender-machine-for-sheet-and-fabric-making-10340018

3.1 Framework :

(1)Frame:to be welded and by annealing treatment,to be processed by precision machine,with good rigidity,no deformation,smooth and wear resistance

(2) Bedplate:to be welded and by annealing treatment,then go to machining workshop,with good rigidity and no deformation.

3.2 Rolls and bearings:

(1)Roll type:hollow type rolls,

(2)Material:chilled cast alloy iron LTG-H

(3) Hardness:68-72HS

(4) Chilled layer thickness :10-25mm

(5) Roll bearings: four row cylinder roller bearing

(6)Bearing base:casted by tempering treatment ,and attached lubrication holes.

(7)Roll temperature to be controlled by high quality rotary joint and stainless metal soft pipe.

Model Item			XY-3I 630 XY-3L 630 XY-3630	XY-3I 1120A XY-3 1120A XY-3L 1120A	XY-3I 1400	XY-3I 1500	XY-3I 1730	XY-3I 2130	XY-3I 2430
Roll dia		mm	230	360	400	450	610	710	810
Roll working length		mm	630	1120	1400	1500	1730	2130	2430
Roll ratio			1:1:1 1:1.42:1	1:1:1 0.733:1:1 0.733:1:0.733	1:1:1 1:1.383:1.383 1:1.383:1	1:1:1 1:1.5:1	1:1:1 1:1.4:1	1:1:1	1:1:1 1:1.5:1
Middle-roll linear speed		m/min	0.8-8	3-21.06	3-26.39	2.62-26.2	5.4-54	8-50	2-20
Adjusting nip range		mm	0-7	0-10	0-10	0-6	0-20	0-20	0.5-25
Min.Calendering product thickness		mm	0.2	0.2	0.2	0.2	0.15	0.15	0.5
Calendering product width		mm	100-500	500-920	1200	1400	1500	1900	2150
Motor power		kW	7.5	45	55	75	132	185	220
Overall dimensions	L	mm	3168	5550	6500	7420	7010	7650	9300
	H	mm	890	1640	1500	2200	3950	4560	3150
	W	mm	1830	2120	2440	2900	3730	4080	5200
About weight		t	~2.6	~11	~22	~26	~52	~67	~94

rubber calender/rubber machine/calendering machine /3 roll calender/ four roll calender