Press forging and drop forging pdf

Construction and use in drop hammer and forging machine. Press forging process, advantages and disadvantages. It changes both surface and interior of work piece. This is all about what is forging process, operation, types, application, advantages and disadvantages. Forging equipments, describing gravity drop hammer, power drop or steam hammer, mechanical. A study of a new screw press forging process for producing aircraft drop forgings made of magnesium alloy az61a. In the year 2010 they put into operation the second forging press of 140 mn.

The cneg can produce 600ton ingots and for forging there is used a hydraulic press of 127 mn. Press forging may be undertaken as a hot or cold forging process. What is forging process, operation, types, application. This process is more controlled, thus, it becomes easy to examine crucial aspects of the forging process. Forging is a manufacturing process involving the shaping of metal using localized compressive. The press forging is similar to drop forging but uses a single, continuous, slow squeezing action instead of a series of impact blows. The average energy input per kg of finished parts is 4649 jkg. The forging done with the help of presses is known as press forging. Press forging has become popular across very many industries. Press forging is suitable for high volume productivity of forgings.

As for products the forge is focused on 1,100 mw lowspeed generator rotors for the dongfang electric. In drop forging, material utilization is between 60% and 80%. The pressure applied is slow, steady and continuous in a single squeezing action. On this channel you can get education and knowledge for general issues and topics.

If you have any query regarding this article, ask by commenting. Pdf a study of a new screw press forging process for. The processes of cold forming finds application in the range of room temperature. So, smith forging i will talk one by one about all these types of the. In contrary, drop forging only deforms the surface. Forging directory site forging companies forging process. If you like this article, dont forget to share it with your friends. Press forging definition of press forging by merriamwebster. What is the difference between press forging and drop. I made the animation on drop forging and press forging process so hope you will like this. It is usually referred as hot pressing, and is carried out either using hydraulic presses or mechanical crank type presses.

Forging process animation by basic engineering youtube. Manual transmission gears are an example of automatic hot forging used in conjunction with cold working. Comparison of press forging and drop forging forging. In press forging, the metal is shaped by means of a single, continuous stroke. Drop forging is a forging process where a hammer is raised and then dropped onto the workpiece to deform it. Drop hammers reach peak loads in 25 ms while press forging, which is usually executed with screw presses or mechanical pr. Because of slow ram travel and continuous action of the hydraulic presses, the deformation penetrates deeper so that the entire volume of the work piece simultaneously and uniformly undergoes plastic deformation. The pressure applied is slow, steady and continuous in a single squeezing action in press forging. The tests are conducted using a threeslide forging press. The various forging operations in a press forge and its applications are described below. Subscribe our website for more interesting articles. Do a free listing of your company for maximizing your business potential. Forging process is a website where you can register your company for forging queries.