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YL28 Series Hydraulic press machine, 1.four-column double drive, 2. used for metal drawing, curling, flanging, cold-extruding - details see: https://www.machineto.com/yl28-series-four-column-hydraulic-press-machine-10133073

Item		YL28 series Four column Hydraulic press machine
		Unit	YL28-220	YL28-350	YL28-500	YL28-600	YL28-630	YL28-800
Nominal force		KN	1500	2500	3000	4000	4000	5000
Working pressure		Mpa	20	18	20	22	22	22
Return force		KN	90	130	480	480	480	370
Lower cylinder tensile force		KN	700	1000	2000	2000	2500	2830
Lower cylinder working pressure		Mpa	200	21	25	25	22	25
Maximum stroke of movable beam		mm	620	620	620	620	620	620
Maximum stroke of lower cylinder		mm	300	300	300	300	300	300
Distance between beam to working table	Max.	mm	980	1000	1000	1000	1000	1000
	Min.	mm	360	380	380	380	380	380
Effective area of worktable (left-right×back-front)		mm	700×880	900×1000	1100×1200	1150×1200	1200×1200	1250×1250
Elevating speed of the beam	down unloading	mm/sec	170	170	180	180	180	170
	pressing	mm/sec	12.5-7.7	8.3-7	9.6-7.6	9.5-7.6	9.5-7.6	12-6
	return	mm/sec	190	210	160	160	160	165
Power		KW	15	18.5	22	30	30	37
Weight		T	9	13	20	25	30	38

Application
The four-column hydraulic press is applied to drawing, curling, flanging, cold-extruding, blanking the metal material.
It’s used to adjusting, press fitting the powder products, abrasive products and plastic products. It’s also used to press forming the insulating materials.