| Prod Model: |
Roll mill housing |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Tolerance: |
DIN 1683 Gtb19 |
| Service: |
OEM, ODM |
| Inspection: |
Ut, Mt |
| Certificate: |
En 1024 3.1 |
| Type: |
Clay Dry Sand |
Product Description
Weight: 23~97T
Applicable device: Rolling mill
Application: Metallurgical industry
Introduction
Rolling mill housing is an important part of rolling mill frame. Rolling mill is used in poor environment. Mill roller causes large impact to mill housing through bearing block. This kind of working condition leads to different degrees of corrosion and wear on inner surface and subsurface of mill housing. Further, it occurs a problem that the gap between rolling mill frame and roller bearing block exceeds the manageable extreme limit.
The gap increase worsens the working conditions of mill main transmission system, enlarges the vibration of main transmission. It is likely to cause slipping when steel ingots are nipping into, then affect the control of plate shape, finally greatly influence product quality.
Our main material for the mill housing is similar to followings:
| Standard Specifications for Cast Steel |
| Country | Standard | Grade |
| United Kingdom | BS3100 | A2 |
| USA | AISI/SAE | UNS J04000 |
| Germany | DIN 1681 | GS-60 |
| Japan | JIS-G5101 | SC480 |
| International | ISO 3755 | 270-480 |
Rolled plated width
650MM, 1000MM, 1250MM, 1580MM, 1780MM, 2250MM, 3500MM, 4200MM, 4300MM, 5500MM
Plate's types
Aluminum sheet, steel sheet, Section profiles
Advantage
1. SHANGHAI SPECIAL METAL CO., LTD applies unique macromolecular structure on producing mill housing. Thus, our mill housings have good anti-impact property; largely reduce the degree of wear.
2. Good corrosion resistance property prevents surface corrosion from cooling water.
Production Process
1. Wooden pattern Production
2. Molding
3. Pouring
4. First cleaning
5. Heat treatment - grinding (inspection)
6. Rough machining (inspection)-finishing machining (inspection)
7. Packing-delivering
Quality Assurance
The fabrication route is governed by the provisions of the implemented Quality System ISO 9001: 2000. The standard documentation ensures the full traceability of every process step:
Manufacturer test certificates according to DIN EN 10.204 § 3.1 including chemical composition, mechanical properties and non-destructive examination;
Dimensional check supported with a "as-built" sketch;
Record of the heat treatment chart
China Special Metal Group Limited (CSM), a supplier of metal material & machinery products, devotes to offer high quality of castings, high-precision machining products, welded fabrications and forgings to valued customers from all over the world. Meanwhile, we offer the design engineering and turnkey project as well.
Our group owns four mainly manufacturing bases. Casting bases in Xinxiang and Yiyang; The welding fabrication base in Wuxi; Special alloy base in Xi'an. Our Shanghai base is the commercial and engineering center. We have our own ISO 9001 certificate.
We have 2 sets of 30 Ton alkaline electric arc furnace; 8sets of transferring ladle with capacity of 35ton, 50tons, and 75tons; 2 sets of baked charter; 4 sets of large heat treatment furnace and the supporting facilities including oxygen generation station, air compression plant, natural gas station, CO station and 22 sets of lifting equipment machines. The lifting capacity reaches 200tons. We own 5 sets of large-scale molding equipment. Meanwhile, we also have the GS1000 vacuum direct reading spectrometer made by OBLF and other inspection equipments like carbon sulfide high-speed analyzer, microcomputer three elements of high-speed analyzer, digital ultrasonic flaw detector, multipurpose magnetic powder flaw detector such as chemical equipment, except that we also own leveraged universal strength tester, SAC thumping machine. Simulating the casting process by the CAE software to ensures the new quality level castings. All the castings are process by arc gouging, carbon dioxide gas gouging, shot-blasted in order to get the surface quality.
Our products include Metallurgical equipment, Cement & Mining machinery. The castings singe weight is up to 120MT. The main products are casting ladles, slag pot, ingot moulds, mill housings, chucks, girth gear & wheel for cement and mining machinery, grinding table and grinding roller for mills, case and covers for pumps, body and beams for all kinds of machine.
