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Product Introduction
>Product Introduction
The mill liner is used to protect the cylinder from direct impact and friction between the grinding body and the material. Different forms of liners can also be used to adjust the movement state of the grinding body to enhance its crushing effect on the material, which helps to improve the grinding efficiency of the mill, increase production, and reduce metal consumption.
The cylinder lining plate not only protects the cylinder body, but also affects the movement law of the grinding body. In order to meet the requirements of various working states (crushing or fine grinding), the shape and material of the lining plate are also different. When grinding is the main method, it is required that the lining plate has a strong ability to push the grinding body, and at the same time, the lining plate should have good impact resistance; When fine grinding is the main method, the protrusion of the lining plate is relatively small, the pushing effect on the grinding body is weak, the impact is small, and the grinding effect is strong. It is required that the lining plate has good wear resistance.
Mn-Cr alloy cast & Rubber & Ceramics composite liner wildly uses to SAG mill for mining.
>Product Advantage
The quality is relatively stable
NGZR have more than 10 years experience of R&D / Manufacutring / After-sales srevice the Mn-Cr alloy steel casting mill liner /Lining for Mining and Cement Indusries. we guarantee the product quality and operation life for all customer.
Lower usage cost
Mn-Cr alloy cast & Rubber composite liner have long usage life with stable quality. Because NGZR have large production capacity and Advanced Lost foam process full Automatic precision casting line, we can provide more competive price products to all customers. customer will get lower production unit cost than before.
Customized alloy Steel composition
NGZR foundry was able to match client’s requirement to readjust the Chemical Composition of alloy steel content (Mn: 11-23%) , or increased other special metallic element (Mo /Cu /Ni/Cr etc), through special heat-treatment processing, can help this casting liner achieve to special Mechanical performance, to follow different customer’s different working conditions.
Customized drawing size and shape
NGZR foundry was able to match client’s requirement to readjust the Chemical Composition of alloy steel content ( Mn / Cr) , or increased other special metallic element (Cr/ Mo /Cu /Ni etc), through special heat-treatment processing, can help this casting liner achieve to special Mechanical performance, to follow different customer’s different working conditions.
Customized drawing size and shape
NGZR foundry can follow customer’s drawing of exist mill liner to customized . Also we can revised the exist mill liner plate shape / thickness and wearing quality to help customer get lower liner cost and higher production efficiency.
Door to door measure & Installation Guide
If customer can’t provide drawing of existing mill liner, NGZR will arrange our service engineer come with free of charge to measuring the size and design of the one-stop service.
If customer required, NGZR provide door to door installation guide serivce with not free.
Technical Parameters
>Technical Parameters
| Alloy Chemical Composition: | |||||||||
ITEM | C | Si | Mn | P | S | Cr | Mo | Ni | Cu |
Mn13Cr2 | 1.05-1.35 | 0.3-0.9 | 11-14 | ≤0.06 | ≤0.04 | 1.5-2.5 | -- | -- | -- |
Mn13Cr2Mo | 1.05-1.35 | 0.3-0.9 | 11-14 | ≤0.06 | ≤0.04 | 0.4-1.2 | 0.4-1.2 | -- | -- |
Mn18Cr2 | 1.05-1.35 | 0.3-0.9 | 16-19 | ≤0.06 | ≤0.04 | 1.5-2.5 | -- | -- | -- |
Mn22Cr2 | 1.05-1.35 | 0.3-0.9 | 20-22 | ≤0.06 | ≤0.04 | 1.5-2.5 | -- | -- | -- |
Cr26Ni5 | ≤0.20 | ≤0.20 | ≤0.20 | ≤0.06 | ≤0.04 | 24-28 | ≤0.50 | 4-6 | -- |
Cr26Ni12 | 0.2-0.5 | ≤0.20 | ≤0.20 | ≤0.06 | ≤0.04 | 24-28 | ≤0.50 | 11-14 | -- |
Cr25Ni20Mo | 0.35-0.45 | ≤0.20 | ≤0.20 | ≤0.06 | ≤0.04 | 23-27 | 1.1-1.4 | 19-22 | -- |
Cr15Mo2 | 2-2.8 | ≤0.10 | 0.5-1.0 | ≤0.10 | ≤0.06 | 13-18 | 1.5-2.5 | 0-1.0 | 0-1.2 |
Cr20Mo2Cu | 2-3.0 | ≤0.10 | 0.5-1.0 | ≤0.10 | ≤0.06 | 18-22 | 1.5-2.5 | 0-1.0 | 0.8-1.2 |
Cr26Mn | 2-3.0 | ≤0.10 | 0.5-1.0 | ≤0.10 | ≤0.06 | 23-28 | 0-1.5 | 0-2.0 | 0.8-1.2 |
Remark: we can make any other type of alloy materials follow customized. | |||||||||
| Product Physical Technical: | |||||
ITEM | Yield strength Yp0.2 / MPa | Tensile Strength Rm / MPa | Impact absorption KU2 /J | Hardness HBW | Micro -structure |
Mn13Cr2 | ≥ 390 | ≥ 735 | ≥ 96 | ≤ 300 | A + C |
Mn13Cr2Mo | ≥ 390 | ≥ 735 | ≥ 96 | ≤ 300 | A + C |
Mn13Cr2Ni3 | ≥ 370 | ≥ 705 | ≥ 118 | ≤ 300 | A + C |
Mn18Cr2 | ≥ 390 | ≥ 735 | ≥ 96 | ≤ 300 | A + C |
Cr26Ni5 | ɑ ɓ(MPa) 590 | A + F | |||
Cr26Ni12 | ɑ ɓ(MPa) 490 | A + F | |||
Cr25Ni20Mo | ɑ ɓ(MPa) 490 | A + F | |||
Cr15Mo2 | HRC ≥ 53 | M+ A + C | |||
Cr20Mo2Cu | HRC ≥ 58 | M+ A + C | |||
Cr26Mn | HRC ≥ 55 | M+ A + C | |||
M= Martensite ; C= Carbide ; A= Austenitic ; F= Ferritic ; | |||||
Remark: we can make any other special mechanical properties follow customized | |||||
Product Uses
>Product Application
Mn-Cr alloy cast & Rubber & Ceramics composite liner can used to Ball mill / SAG mill / AG mill, The application industries including Mining / Cement / Coal-fired power plant / Concrete & Construction materia/ Chemical industry / Pharmaceutical industry / Food industry / Fertilizer industry etc.
>Product design & use
How to choose correct alloy material and shape to reduce production cost?
1.Fit the existing mill size to choose alloy material
The existing mill diameter size become large (more than 6 meter), the mill liner will be come under more impact power from grinding media and mineral, so the liner should be more toughness to avoid to broken.
When the mill diameter more than 6 meters, can choose the Mn-Cr alloy cast & Rubber & Ceramics composite liner
2.Fit the RCM to choose the liner thickness size
The RCM ( reliability-centered maintenance) time of mill become loner, the mill liner thickness size should be increased. However, the liner thickness size increased, the liner total weight will enlarge, so the liner purchased cost will rised, and the Production efficiency will reduce.
So choose the less thickness size to fit the Mill rational RCM time will Improve production efficiency and reduce production costs.
3.Develop and design the better shape of liner
The better shape ( The step at cylinder liner inside) will help Mill have more effective grinding, increased the production capaciy and quality!
NGZR can help customer to Research & Develop the liner shape for existing mill machiery.
Video
>Product Processing Video
FAQ
>FAQ
How to get Commerical offer ?
Please send your mill liner drawing and purchase quantity to us, we will send the commerical offer to you within 3 working days by E-mail.
How to place an order if we have not liner drawing ?
Please contact with us, NGZR will arrange a Service Engineer to your mill workshop to measure on site.
What is your MOQ ?
For the mill liner, Our MOQ is one sets of whole mill liner.
What is your order Lead-time ?
The lead-time is 30-60 days after get purchase order deposit;
What is your payment term ?
1. 30% T/T in advance, balance T/T before shipment ;
2. O/A 30-180 days
What is your payment term ?
We can accept the price term as below:
#1 EXW factory, Loading cargoes in our factory ( Ningguo city, Anhui );
#2 FOB Shanghai / Ningbo Port, Container loading cargoes in our factory;
#3 CIF Port of delivery, Shipping with container by sea;
#4 DAP place of delivery; Transport with container by sea & by train;
Do you provide the Installation Service?
Yes, we provide the Installation Service，we will arrange a Service Engineer team to your Mill workshop to install, but this service need you pay all charge.
And also we provide the Installation Guide by video / phone with free (don’t arrive to your workshop).
