SHMG began to deign and manufacture the fine press from the fifties. Up to now, it already has fifty years histories. The fine press designed and manufactured has three kinds: JY2000, JY3500 and JY4000. This series of the fine presses have a good credit standing at home and abroad. Until now, our factory has already produced fourteen presses of these kind and the presses are produced on ours own in China.

 

     This series of fine press adopts the mechanism of pre-tighten combined main-body and crack-toggle, the press has a large rigidity and the stop time of its slide block nearby the end point of stroke is long, so it is suitable for the technology requirement of fine forging. The press uses three stages of drive, disk-type friction clutch and brake. Its work is stable and its action is sensitive and reliable. The press also has a balancer, a bottom knockout device, an upper adjusting device, a moving tool plate and a moving work table etc. The press adopts the PLC control, sets up digital display of pressure and temperature monitors and has three working systems of single time, continuance and adjustment. According to the requirement of users, the working table has two kinds of moving and rotating type.

 

 

The parameter table for fine press of JY series                          Table 1¡ª1

Name		Unit	Technical parameters
			JY 2000	JY 3500	JY 4000
Nominal pressure		kN	20000	35000	40000
Rated stroke of pressure		mm	5	5	5
Stroke of slide block		mm	150	150	230
Number of stroke of slide block		min-1	16	16	20
Max. closed height		mm	1500	1590	900
Adjusting amount of closed height		mm	15	15	20
Moving distance of working table		mm	930	1050
Moving distance of tool plate		mm	300	420
Mechanical knockout	Knocking force	kN	100	150	600
	stroke	mm	40	50
Pneumatic knockout	Knocking force	kN	5.5	7.7
	stroke	mm	600	600
Outline dimension	Length	mm	4930	5490	7700
	Width	mm	3535	4176	5650
	Height	mm	8474	9563	11478
Motor power		kW	75	155	130
Equipment weight		t	129.1	214.13	353

 

The table of outline and installation dimension for the press     Table   lÒ»2

Type and size	A	B	C	D	E	F	G	H	I	J	K
JY  2000	3535	4930	8474	1550	300	1500	2000	7050	1200	4700	795
JY  3500	4176	5490	9563	1940	470	1300	2000	7600	1000	5200	1070
JY  4000	5650	7700	11478	1000		1597.9	2500	5600

 

 

The table of outline and installation dimension       Table 1¡ª2

Type and size	L	M	N	O	P	R	a	b	d	e	f
JY  2000	2350	1150	1700	1300	3550	2200	4100	3200	1550	620	4Ò»M48
JY  3500	2920	1350	2l00	1350	3500	2500	4500	3600	1940	920	4Ò»M56
JY  4000					2900	4800	5100			1256	8Ò»M76

 

 

No.	Manufacture£¨delivery£©time	Name and type of product	User
1	1963	YJ40000KNfine press	XiAn 430 factory
2	1972	YJ35000KNfine press	HaerBin 423 factory, HeNau JiangShan machine shop
3	1974	YJ20000KNfine press	HeNau  JiangShan machine shop
4	1982	YJ35000KNfine press	XiAn 843 factory,9333 factory,5553 factory, 9901 factory, SiChuan 393 factory, Two sets are supported to Roumania
5	1984	YJ20000KNfine press	Four sets are supported to Roumania