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Precision dies
Press Dies Former Dies
Press Dies Former Dies
Formed products
Helical gears
Forming conditions
Material properties : SCr420H
Forming speed : 20mm/sec
Temperature : room temperature
Press : HED-800 (hydraulic double-action press)
Cost reduction by using a solid-core material
Reduction in forming load by two-stage motion
Helical gears
Scrolls
Forming conditions
Material properties : aluminum alloy
Forming speed : 17SPM
Temperature : 420ºC
Press : FMX-1000
Uniform lap height by back pressure forming
Decrease in machining allowance by a back pressure mechanism
Scrolls
Hub Flange
Forming conditions
Material properties : SUJ2
Forming speed : 107mm/sec
Temperature : 750ºC
Press : L1C-800L
Composite forming by warm forging and shunt forming
Net-Shape used instead of traditional hot forging
Flange hubs
Pinion gears
Forming conditions
Material properties : SCM420H
Forming speed : 18~20SPM
Temperature : room temperature
Press : FMX-800
Decrease in machining allowance by closed-die forging
Forging by a one-side hydraulic closed-die mechanism
Pinion gears
Cross joints
Forming conditions
Material properties : SCr420H
Forming speed : 17~20SPM
Temperature : room temperature
Press : L2C-1250L
Decrease in machining allowance by closed-die forging
Forging by a pantograph-type two-side hydraulic closed-die mechanism
Cross joints
Hypoid pinion gears
Forming conditions
Material properties : SCr420H
Forming speed : 20mm/sec
Temperature : 800ºC
Press : HED-800(hydraulic double-motion press)
Cost reduction by forging machined parts
Improvement in strength by forging the teeth part
Hypoid pinion gears
Inner races
Forming conditions
Material properties : SCr420H
Forming speed : 17SPM
Temperature : room temperature
Press : L2C-1250L
Decrease in machining allowance by closed-die forging
Forging by a one-side hydraulic closed-die mechanism
Inner races
Side gears
Forming conditions
Material properties : SCM420H
Forming speed : 17~20SPM
Temperature : room temperature
Press : L2C-800L
Decrease in machining allowance by closed-die forging
Forging by a one-side hydraulic closed-die mechanism
Side gears
Die-sets
Pantograph-type hydraulic enclosed die-set
Specifications
(actually used for manufacturing)
Closing load : max1960KN
Closing stroke : 20~30mm(two-sides)
20~50mm(one-side)
Press : 200~1250ton
Die height : 500~1200mm
Slide stroke : 200~400mm
Pantograph-type hydraulic enclosed die-set
Gas pressure-type enclosed die-sets
Specifications (actually used for manufacturing)
Closing load : max1960KN
Closing stroke : 25~50mm(one-side)
Two-side type can be produced.
Press : 600~1200ton
Die height : 600~1200mm
Slide stroke : 400~500mm
Hydraulic back pressure die-sets
Specifications
(actually used for manufacturing)
Closing load : max392KN
Closing stroke : 50~70mm
Press : 600~1000ton
Die height : 900~1200mm
Slide stroke : 400mm
Gas pressure-type back pressure die-sets
Specifications
(actually used for manufacturing)
Closing load : max434KN
Closing stroke : 45~55mm
Press : 600~1000ton
Die height : 1000mm
Slide stroke : 400mm
Advantages of enclosed die set
Equipped with a mechanism that enables forging of complicatedly shaped products with customer's mega press. Enables mass production of various products using the full enclosed die forging technology by just changing the length of pantograph.
 
Upset forging
Figure: Upset forging
Enclosed die forging
Figure: Enclosed die forging
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