Forging Press OEM Finished Machining Cast Upper Beam

1)The engineer will firstly prepare the technology and do a simulation before pouring.

2)We will make a pattern of the beam based on engineer's technology.

It will cost us around one month.

After that the engineer will check the pattern dimension and make a record.

3)Sand molding making will be made by experienced wokrers.

Most of the workers have more than 10 years experience.

4)Pouring and cooling.

There are one 8tons electrical arc furnace;

Two 50 tons medium frequency furnace;

One 120 tons refining furnace and one 120 tons VD furnace;

5)Clean the sand and cut the riser after normalizing by hot cutting.

6)Heat treatment will cost 7 days( 4 days normalizing and 3 days tempring).

There are 8 heat treatment furances with max. one is 12m*9m*6m.

The largest size of casting we can make is same as the heat treatment furnaces' size.

7)dimension check and draw a line for machining.

We should check the margin and make a mark for machining.

8)Rough machining

9)NDT withe qualified inspector

10)Welding repair if needed and tempering for stress relief

11)Final machining and NDT

12)Customers' inspection and packing

Haian Haitai Casting Co.,Ltd. is established in 2003. 

We supply large steel castings with low carbon or alloy steel from 3 tons to 150 tons per piece.

With a quick development,now we had supplied steel castings 6,000 tons per month.

There are three workshop for sand mold making,one workshop for machining and one for post procedure.

Our main products are for cement mill(around 30%).

We supply around 400pcs kiln tyres,170 sets of ring gears and 930pcs supporting rollers a year.

We also have rich experience of the castings for shipbuilding with 9 class certificate.

Our factory not only cares the product quality,but also we pay attention on donating money to the school.

We also join to donate for building better local roads to help villagers.

We send money to workers' parents before spring festival,

we also support our worker's children CNY 1000*the ages the workers work for our factory per year when they are studying in the colleagues.

To earn money is our target,but we also have our responsibility to make more people to enjoy what we have earned.

We do the test according to diffrent production step,

such as chemical composition,UT,MT and mechanical property.

In 2021,Haitai inspection and testing center got approval from CNAS.

Our company is near to Shanghai port and we can supply different packing according to customers' specification.