Powder Metal Forming

Powder Metal Forming

The powder metal forming process performed by heating compacted metal powders to just below their melting points.  The forming technology involves a production cycle comprising:

  1. Filling a die cavity with a known volume of the powder feedstock, delivered from a fill shoe
  2. Compaction of the powder within the die with punches to form the compact. Generally, compaction pressure is applied through punches from both ends of the toolset in order to reduce the level of density gradient within the compact.
  3. Ejection of the compact from the die, using the lower punch(es)
  4. Removal of the compact from the upper face of the die using the fill shoe in the fill stage of the next cycle.

The size of forming of powder metal:

The size and weight of the part is limited by the maximum tonnage capacity of available forming presses (around 1000 tones capacity). A 2 kg. ferrous PM part would be regarded as being a large one.

A number of alternative forming processes have been developed, which have sought to attack one or more of these limitations.

1. Isostatic pressing can tackle all four limitations in that very large components can be formed,

2. Cold isostatic pressing: the powder is contained in a flexible mold, commonly of polyurethane, which is immersed in liquid.

3. Hot isostatic pressing: the pressuring medium is a gas, normally argon. The powder is contained in a metallic can, which is subjected to the hydrostatic pressure in the pressure vessel.

 

 

 

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Additional Resource:

MPIF

Powder Metal Review

 

 

 

 

發表者:paoyue

寶鎰工業股份有限公司創立於1980年,公司位於台灣台南。自成立以來發展穩定且持續成長,也由於產品的應用廣泛及其功能的便捷性受到顧客的支持與愛顧,早己是國際間知名的專業粉末冶金生產製商提。 自創業至今,歷經數十年之努力經營,寶鎰展現了雄厚的研發能力,產品已成功 跨足汽機車、消費性電子、電動工具、工業、辦公事務設備、家電、航太科技與綠能等領域. 公司除了擁有完善的設備製造能力,產品的安全性也朝向ISO及國際的規範,並外銷至中東、東南亞、中南美洲及歐洲等全球。同時成立實驗室和客戶的反饋,秉持著二十四小時回覆的理念,為客戶提供最好的服務。 Pao Yue was established in 1980 as a small plant in Taiwan Tainan city. With rapid growth, the company successfully became an international professional powder metallurgy manufacturer. Today, we are a pioneer in powder metallurgy globally and We offer a “one-stop” end to end solution for our customers. On top of our diverse equipment manufacturing abilities, our products are driven towards ISO and international regulations and export globally covering countries such as Middle East, South East Asia, Central and South America and Europe. With tens of thousands parts sold worldwide, our leading market share is reflected on our drive for customer service; top of the line laboratories and 24 hours after service.

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