Powder Metallurgy Process—Pouring Gate Form

As explain in last article, pouring gate is also called  feeding throat or inner sprue.In  powdermetallurgy process projects, their pouring gates have so many forms. They can be generally concluded as follows:

Inside gate
Common side gate (edge gate)
Outer gate
Fan-shaped gate: used to  for  wide lamelliferous products

Flat seam type gate
Tab gate

Gap gate
Point gate
Subsurface gate
Disc ring gate
Spider gate

Claw gate
Circular gate

Original article link：http://www.zcmim.com/article/powder-metallurgy-process-pmppgf_1.html