Table 6.

Parameters of simulation models at different levels.

Level	1	2	3	4	5	6	7	8	9	10
Roll diameter (mm)	1600	1700	1800	1900	2000	2100	2200	2300	2400	2500
Roll width (mm)	742	806.5	871	935.5	1000	1064.5	1129	1193.5	1258	1322.5
Roll gap (mm)	34	35	36	37	38	39	40	41	42	43
Feed particle size (mm)	28	29	30	31	32	33	34	35	36	37
Roll speed (m/s)	1.26	1.51	1.76	2.01	2.26	2.52	2.77	3.02	3.27	3.52