Co2 Casting
Introduction: Co2 Casting is a kind of sand casting process. In this process the sand molding mixture is hardened by blowing gas over over the mold. This process is favoured by ho…
Shell molding
Shell molding or shell mold casting is a process that can be fully automated, shell molding is the most rapidly used technique for mold and core making. Also known a…
Dry Sand Casting
Introduction: Dry sand casting is a sophisticated form of green sand process, in which the sand mold is baked at a given temperature to make it stronger. This process in mostly…
What are Green Sand Castings?
Green Sand Castings are castings made using wet sand or “green sand” molds. The sand is not green in color nor do the molds use “greensand,” a greenish color sandstone. …
Characteristics of Cores
A core should have the following characteristics: (i) Permeability: A core is supposed to be more permeable than the mould itself and for this reason, coarse sand with large grain…
Types of Cores
Cores are generally made of green sand or dry sand. The green sand cores have relatively low strength being made of green sand, whereas dry sand cores are made of…
Core Moulding
Meaning of Core Moulding: A core is a pre-determined shaped mass of dry sand, which is made separately from mould. It is positioned in a mould to obtain a shape…
3 Main Types of Moulding Machines
This article throws light upon the three main types of moulding machines. The types are: 1. Squeezers 2. Jolt Machines 3. Sand Slingers. Type # 1. Squeezers: The working principle…
Sand mold Equipment
In sand casting, the primary piece of equipment is the mold, which contains several components. The mold is divided into two halves - the cope (upper half) and the drag…
sand molds Process Cycle
The process cycle for sand casting consists of six main stages, which are explained below. Mold-making - The first step in the sand casting process is to create the mold for…
