Closed forge parts
Closed forge parts refer to metal parts obtained by closed forge. To understand closed forge parts, you first need to understand what closed forge is.
What is closed forge
Die forge is mainly forge small forge parts with a weight of less than 60KG in batches. Die forge is mainly divided into closed die forge and open die forge. Closed die forge mainly refers to the closed design of the forge die. During the closed forge process, the metal billet is placed in the die, and the press applies pressure to the metal billet. After the metal billet is under pressure, the metal billet will flow into the die. Because the die is closed, the metal billet will be under great pressure during the flow process, so the closed forge blank has a strong hardness. In closed forge, the closure of the die almost does not produce cutting edges, which also reduces the amount of processing. In short, closed forge can well control the flow direction of the metal billet, making the surface quality of the product better, and closed forge is suitable for complex small forge parts. Gears, wheels, etc.
What are the materials for closed forge parts?
There are many choices of materials for closed forge parts: 1. Carbon steel 2. Stainless steel 3. Aluminum alloy 4. Alloy
Carbon steel materials mainly include 20 steel, (SAE/AISI 1020) Q235, (ASTM A36) 45 steel (SAE/AISI 1045), 40Cr (ASTM A322 5140), 60Si2Mn (ASTM A29/A29M 92600). These materials are cheap and have good mechanical properties. They can be used in forged parts such as shafts and gears that require quenching and tempering, and can also be used as fasteners.
Stainless steel materials are 304 stainless steel and 316 stainless steel. 410 stainless steel, 420 stainless steel Stainless steel has the characteristics of corrosion resistance and can be used in petrochemical forge parts or marine equipment forge parts. Among them, 410 and 420 stainless steel materials can be heat treated to increase hardness and can be used to forge tools or valve parts.
Aluminum alloy materials, 2000 series, 6000 series, 7000 series, can be used for automotive die forge parts, aircraft die forge parts, etc.
Closed forge parts are classic automobile connecting rods, automobile wheels, valves for oil pipelines, tracks, unhooking, etc.
Key factors of closed forge parts
As a closed forge parts manufacturer, Luoyang forge has the experience that several key factors of closed forge parts are material selection, mold design, and subsequent processing.
Material selection, the performance of each material is different, and customers can choose materials according to the use scenario of the product.
Mold design, we have experienced mold designers who can design molds according to customer drawings and can show the entire die forge process on the computer. So as to get the best forge solution.
Subsequent processing, the finished closed forge blank has almost no trimming, but we still perform sandblasting. We also have our own machining equipment for machining the blanks and heat treatment. We have our own heat treatment partner manufacturers, which can perform heat treatment for forged parts.
