CMHF Series Four-Column Double-Action Hydraulic Press

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APPLICATION

Deep drawing and forming of tableware, kitchenware, metal cover of electric motor, household appliances and lighting, etc.;

Trimming, stamping, deep drawing and edge-cutting of metallic and non-metallic materials;

FEATURES

Advanced two‑way cartridge valve system: Advanced two way cartridge valve system ensures high reliability and less hydraulic shock caused by change of oil flow direction;

Ram hydraulic cylinder: Ram hydraulic cylinder is made of alloy steel and its inner surface is finely grinded for prolonging working life under high pressure;

Four columns: Four columns are made of alloy steel with high tensile resistance, finely grinded and electro‑plated with hard chrome;

Hydraulic & electrical components: Main hydraulic and electrical components are adopted imported famous brands;

Knock‑out cylinder: Knock out cylinder is installed inside of moving bolster for knocking out work piece after pressing process;

Induction motor driving system:

TECHNICAL PARAMETER TABLE

ITEM		UNIT	CMHF-50	CMHF-120	CMHF-220	CMHF-220L	CMHF-275	CMHF-350	CMHF-350L	CMHF-500	CMHF-500L	CMHF-600	CMHF-800
Main cylinder	Nominal capacity	Ton	35	85	160	160	200	260	260	350	350	420	600
Main cylinder	Maximum stroke	mm	350	450	560	560	560	560	560	600	600	700	500
Blank holding cylinder	Nominal capacity	Ton	15	35	60	60	75	90	90	150	150	180	200
Blank holding cylinder	Max. stroke	mm	175	200	260	260	260	260	260	300	300	350	250
Knock out cylinder	Nominal capacity	Ton	2	3	5	5	5	5	5	10	10	10	10
Knock out cylinder	Maximum stroke	mm	150	180	200	200	200	220	220	250	250	300	150
Open height		mm	600	730	900	1000	900	900	900	1000	1200	1500	1050
Height of fixed bolster surface		mm	990	1055	1080	1100	1100	1200	1200	1550	1600	1800	1700
Speed of moving bolster	Approaching	mm/s	195	220	210	210	210	200	200	210	210	175	160
	Drawing	mm/s	25	20	20	20	19	17	17	18	18	13	10
	Returning	mm/s	180	220	200	200	200	165	165	190	190	165	135
Upward speed of blank holding cylinder		mm/s	120	50	120	120	115	120	120	85	85	75	50
Effective size of fixed bolster	L‑R (Between columns)	mm	500	500	710	900	800	900	1100	1050	1250	1400	1700
Effective size of fixed bolster	F‑B (Edge to edge)	mm	550	600	870	1100	900	1000	1250	1200	1500	1600	1400
Overall dimensions (Approx.)	Length	mm	1750	2000	2100	2290	2200	2400	2600	3300	3500	3760	3650
	Width	mm	1160	1670	1870	2100	1920	2120	2370	2200	2400	2200	3200
	Height	mm	2550	2915	3350	3480	3600	3800	3840	4650	4800	5585	4690
Servo motor power		kW	10	16	29	29	32	42	42	55	55	55	55
Machine weight (Approx.)		Kgs	2280	3500	6000	6800	7500	9500	12500	16000	22000	30000	33000