CM DIE FORGE HAMMER_Northern Heavy Shenyang Heavy Machinery Group Co., Ltd.

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CM DIE FORGE HAMMER

Product name:CM DIE FORGE HAMMER
Time:2008-11-21
Company:Northern Heavy Shenyang Heavy Machinery Group Co., Ltd.
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Steam-air die forge hammer, because of simple structure, good forming capability and strong commonality, becomes the equipment which is the most widely used in die forging industry in our country. There are about 700-800 sets in whole country. In recent fifty years, our factory has produced more than 400 sets of one tonnage, two tonnage and three tonnage die forge hammer. They are widely used to die forging production in our country and have good reputation in our country. In foreign countries, in recent a few decades, hot die forging press and forging production line which take hot die forging as main means has developed more quickly, but most countries still take die forge hammer as main method of forging. The numbers of die forge hammers occupy 70-80% of total numbers of forging equipment. For example, at present in Japan the product numbers of forged piece occupy the first position of the world and about 75% of them are made by die forge hammer.

The CM-G die forge hammers are widely used for hot die forging of carbon steel and alloy steel parts for automobile, tractor, tool and medical treatment instrument etc.

This machine is a forge hammer which can use steam as working medium and also can use compressed air as working medium, namely it is a forge hammer which use steam or compressed air as energy passing matter. It is called as steam-air die forge hammer.

The features of CM—G die forge hammer:

      1．Simple structure, easy operation, reliable working, very strong commonality.
     2．Hammer body and anvil adopt high quality steel-casting and has higher life.
      3．The jacket inside of cylinder is made by high wear-resistant low alloy cast-iron. It not only has a long using life, but also can change easily after it is worn out, so the using life of cylinder can be extended.
      4．Hammer handle is made by using high quality alloyed steel and advanced method of heat treatment and has a long using life. 。I
      5．The machine has special lubricating device , so can be lubricated at regular intervals or lubricated continuously.

The parameter table of N—G series Table 2—5

Item type	Weight of falling part kg	Beating energy (not less) kJ	The Max. stroke mm	Cylinder diameter mm	Distance between railways mm	Length between front and back of hammer head mm	Length between front and back of die holder mm	The Min. height of die mm
CMG 1	1000	25	1200	280	500	450、	700	220
CMG 2	2000	50	1200	380	600	700	900	260
CMG 3	3000	75	1250	460	700	800	1000	350

The parameter table of CM—Gseries Table 2—5

Item type	Intake pressure MPa	Diameter of intake pipe mm	Diameter of exhaust pipe mm	Anvil weight t	Total weight of machine t	Height above ground mm	Total height of machine mm	Dimension of bottom surface of anvil mm
CMG 1	O．7～0.9	76×5	88×4	20.3	32.4	5070	5750	2380×1100
CMG 2	0.7～O．9	102×5	127×4	41	57.8	5418	6348	2960×1500
CMG 3	0.7～O．9	140×5	165×4.5	63	90	6145	7430	3300×1800

The weight table of main part of CM-G (t) Table 2—6

Name type	Cylinder part	Hammer body part	Falling part	Anvil part	Control part	Lubricating part	Base part	Cylinder
CM—G1	2.53	7.61	1	20.9	O．126	0.15	0.071	1.86
CM—G2	3.4 7	12.512	2	41.17	O．19	0.15	O．1	2.355
CM—G3	4.02	1 8.5	3	63	O．26	0.15	0.12	2.5

The weight table of main part of CM-G (t) Table 2—6

Name type	Cylinder part	Hammer part	Falling part	Anvil part	Control part	Lubricating part	Base part	Cylinder	Left and right hammer body	Hammer head	The Max. piece anvil
CM—G1	2.53	7.61	1	20.9	O．126	0.15	0.071	1.86	3	O．737	20.3
CM—G2	3.4 7	12.512	2	41.17	O．19	0.15	O．1	2.355	4.95	1.336	40
CM—G3	4.02	1 8.5	3	63	O．26	0.15	0.12	2.5	7.5	2.273	61.3