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Precess of sand casting PowerPoint PPT Presentation


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There are three techniques in our sand casting process including normalquartz sand casting ,Furan resin sand casting and precoated sandcasting.For sand casting, the weight controled is 40-2500kg.

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Precess of sand casting

Process

Process of

of sand

sand casting

casting

We are very professional in producing Sand casting according to your

requirements. if you want get more types of Sand casting, please contact

us.

There are three techniques in our sand casting process including normal

quartz sand casting ,Furan resin sand casting and precoated sand

casting.For sand casting, the weight controled is 40-2500kg.

Normal

Normal quartz

quartz sand

sand casting

casting

The dimension tolerance of normal quartz sand casting we could reach is

CT11-12, the main material is Gray Iron, Ductile iron, Hight Cr Cast iron,

Resistance cast iron, alloy steel, Carbon steel & stainless steel an so

on.

Furan

Furan resin-sand

resin-sand casting

casting

The tolerance of Furan resin sand casting we could reach is CT10-11. The

main material is Gray Iron, Ductile iron, Hight Cr Cast iron, Resistance

cast iron, alloy steel, Carbon steel & stainless steel an so on.

Precoated

Precoated sand

sand casting

casting

The Dimension tolerance of precoated sand casting we could reach is CT8-9,

the main material is Gray Iron, Ductile iron, Hight Cr Cast iron,

Resistance cast iron and so on. The weight controled is 0.5-30kg.

Sand

Sand casting

casting process

process: :

1.Mould designing

Strictly making 3D model based on customer’s drawing dimensions, and

mastered the contractibility rate for all types of material. Mould

dimension will be zoomed with same proportion as per different material.


Precess of sand casting

2.Mold shaping

A sand mold is formed by packing sand into each half of the mold. The sand

is packed around the pattern, which is a replica of the external shape

of the casting.

3.Sand Core Making

The cores are positioned and the mold halves are closed and securely

clamped together.

4. Pattern Assembly


Precess of sand casting

The patterns are assembled together to form a casting cluster or assembly.

5. Smelting the Liquid Steel:

Allocate the chemical composition and sampling before steel casting.

6. Spectrograph testing

Inspection on materials by spectrometer testing.

7.Casting

In the conventional process liquid metal is

gravity.

poured into the mould by


Precess of sand casting

8.Sand Cleaning

Removing sand from castings when the surfaces are not going to red anymore.

9.Heat Treating

Carbon steel and low-alloy steel need normalizing and temper,

oil-quenching, water-quenching and so on. We can set out different heat

treatment method as per different requirement from customers.

10.Shot blasting treatment

This process can make the products surface color to be the same and remove


Precess of sand casting

the polishing trace. In use of different dimensional steel ball could have

different vision on the product surface.

11.Polishing

Polishing is to modify the out of flatness on casting head after

casting

cuttig and to modify the burring and splashing in the process

of casting cycle.

12.Machining

Cut the piece of raw material into a desired final shape and size. Now

we have CNC, Lathe, milling machine, drilling machine, boring lathe and

grinding machine.


Precess of sand casting

13.Quality Inspection

Quality inspection on the machining dimension. Mainly tools we use is like

specialized gauge and callipers, mircocalliper,three-dimensional

and

so on.

14. Storage and Delivery

Efficiency of package goods delivery on time per your shipping requests.

Advantage

Advantage of

of Sand

Sand Casting

Casting : :

1. Simple production process

The production process of green sand casting is very simple comparatively,

so easily handled. The materials are simple, and easily available.

2. Lower production costs

Since the materials are simple and its prices are lower comparatively,

the production costs of sand casting are lower.

3. Higher production rate

The sand casting process can achieve high production rate.


Precess of sand casting

4.

Wide Application Scope

Our sand casting process is Very flexible in shape, size, material and

quantity, even intricate shapes .

In addition, we own CNC machining center and CNC Lathe, so machine parts

(machining parts or machinery parts),metalwork (metal products) are ok

for us!


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