In the metal casting process, sand is used to create molds for the metal to be cast. However, the sand used in the casting process can only be used a limited number of times before it must be replaced. Sand reclamation machines and decoring machines are used to remove sand from castings and reuse it. In this article, we’ll explore the differences between decoring and sand reclamation machines.
What is a Decoring Machine?
A decoring machine, also known as a knockout machine, is used to remove castings from the molding sand. The machine uses a punch or hammer to separate the casting from the mold and break up the sand. Decoring machines are used to remove both organic and inorganic binders from the sand and casting.
What is a Sand Reclamation Machine?
A sand reclamation machine is used to reclaim and recycle the molding sand used in the casting process. The machine is designed to remove and separate the sand from the resin or clay binders used in the molding process. The machine can be used to reclaim both green sand and chemically bonded sand.
Sand reclamation machines come in different sizes and capacities, and they are designed to handle different types of sand. Some machine models can separate metals from the sand and reclaim the metal for further use.
4 Differences between Decoring and Sand Reclamation Machines
Here are some of the main differences between decoring machines and sand reclamation machines:
- Function: A decoring machine removes castings from molding sand, while a sand reclamation machine removes and recycles molding sand.
- Process: Decoring machines use a punch or hammer to break up the sand and remove castings, while sand reclamation machines use processes like thermal, mechanical, or chemical to separate the sand from the binder.
- Materials: Decoring machines remove both organic and inorganic binders, while sand reclamation machines remove the binder (resin or clay) from the sand.
- Size: Decoring machines come in different sizes and capacities, while sand reclamation machines are designed to handle different types and quantities of sand.
Read More: Casting Wikipedia
When to Use a Decoring Machine vs a Sand Reclamation Machine
Use a decoring machine when:
- Removing castings from molding sand
- Removing both organic and inorganic binders
- Handling different sizes and capacities of machines
Use a sand reclamation machine when:
- Reclaiming molding sand
- Removing the binder from the sand
- Separating metals from the sand for reuse
Decoring and sand reclamation machines play important roles in metal casting. Decoring machines remove castings from molding sand and remove binders from both organic and inorganic materials. Sand reclamation machines reclaim and recycle molding sand, removing binders from the sand and separating metals from the sand for reuse.
Read More: Best Guide to Decoring Hammer