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The manhole cover casting process consists of five steps: pattern making, mold preparation, melting/pouring, and cooling and finishing.
Main machine of Manhole cover production line:
Foundry Molding Machine
Core Shooter Making Machine
Furnace
Shakeouot Machine
Vibrating Conveyor
Magnetic Belt Conveyor
Suspension Separator
Hoist
Hexagonal Sieve
Fluidized bed
Besides iron, the other raw material required to make manhole covers is green sand, which is sand bound together with clay. The green sand is used to produce the molds into which the molten iron is poured. The sand mixture consists of about 90% silica sand, 4-10% clay, 2-10% organics (e.g., coal), and 2-5% water. The sand is not colored green. Green refers to the fact that it is allowed to remain wet during the casting process.
| Size of Molding Plate | 700*700*(180-250) or (OEM) |
| Productivity | 60-80 moulds per hour |
| Hardness of Sand Mould | ≥85 |
| Way of Molding | Pneumatic sand shooting and hydraulic compaction |
| Compaction pressure (maximum) | 9 Mpa |
| Compressed air pressure | 0.5~0.65MPa |
| Air consumption of Sand Shooting | 3.0 Nm3 per minute |
| Control Mode | Programmable controller, touch screen |
| Power of Motor | 18.5 KW |


1. Shot blasting equipment, jolt squeeze sand molding machine,multi-piston high pressure sand casting machine, core shooting machine, dust collector, sand conditioning line, Vacuum Process Casting line, Lost Foam Casting Line, Horizontal and Vertical Flaskless Automatic Production Line.
2. Engineeres are available to guide the installation and take care of other problems.
3. 12 months products warranty.
Why choose us?
New products from manufacturers at wholesale prices