OD7800mm ZG35Mn Large Cement Mill Rotary Kiln Tyre

The material is not always same,it can be ZG35Mn or other specified material.

We have rich experience for kiln tyre and we succed in supplying kiln tyre for 10000 TPD cement mill.

For the working position,we can make it without any welding.

Castings for cement mill is our fist products.

Most of our castings is for cement mill.

But for me,I only get some small orders of half gear for ball mill.

Our customers are very strong,their sale network is worldwide,

our castings are exported to many countries but not directly.

Some big and famous customers,they always have branch offices in China.

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

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

It will cost us around one week.

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

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

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 before heat treatment

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

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

7)dimension check and draw a line 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.

A in time response is necesary.

When we recieve the enquiry,normally we can send you the quotation after one day.

Now our production schedule is full,

what we should pay more attenion is delivery time.

Most of it on our quotation is around 4-8 months.

It is up to the weight and structure of the castings.

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.