Forged Steel Grinding Ball

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200000M.T./Year /month

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Specifications  of Forged Steel Grinding Ball:


1. Diameter:20mm-150mm(0.75''-6'')    
2. Surface Hardness:    
    Forged ball:58-65HRC    
    Casted ball:60-65HRC    
3. Material:  
    Forged ball:Steel    
    Casted ball:Iron  
4. Technology:Forged & Casted ,heat treated  
5. Unbreakable:0.5 Max.  
6. Impact Toughness:>12    
7. times of falling ball:5000 min.  
8. microstructure:P+C    
9. Application: gold & iron mine,steel works,cement plant and power station    
10. Certificate:  ISO9001:2008      
 

Features of Forged Steel Grinding Ball:


1. High hardness    
2. Good wear resistance    

3. High toughness    

4. No mal-roundness

Features and Advantages of Forged Steel Grinding Balls:

1) High hardness: It has high hardness: surface hardness can reach 55-67 HRC, volume hardness 56-64 HRC

2) High Impact toughness: impact toughness is more than 15 J / cm2.

3) Low Broken rate:  peel fragmentation resistance property of over 20000 times. The actual breakage rate is less than 1% and close to 0.

4) Size: Our products range from 20mm to 150mm, 1 inch to 6 inch, and we can also offer all size of products according to clients’ demand.

Packaging of Forged Steel Grinding Ball:


Ton bags (1000Kg Per Bag)
Iron drums (850~920Kg Per Drum)  

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Q:How to judge whether the casting is qualified?
According to the grade of the parts, according to the relevant standards, the regular drawings will be noted in the technical requirements of the parts.
Q:Tolerance standard for casting parts
The tolerance of a specific size can be obtained from the tolerance grade and nominal size of the casting.
Q:What should I pay attention to when designing a casting structure?
1 of the casting in metal mold cooling was faster than sand, metal type and let, thus casting in metal mold casting, casting stress generated in the ratio of sand casting to crack tendency is also large, but also prone to misrun and cold lap, white (for casting casting). Defect. Usually: (1) in the prevention of metal casting casting crack aspect should pay attention to the following problems: the structure of A in wall thickness, wall transition and connection to the ease, corner fillet appropriate requirements such as should be more strict than sand casting; B should be connected vertically connected with the wall to tilt C; for the weak parts of the structure should be set to strengthen ribs, bosses, to prevent casting; D should minimize the obstacle free shrinkage of the boss, casting rib, flange and other prominent part; E in the casting arrangement of ribs, but also should consider its influence on the casting shrinkage.
Q:How to distinguish the forging parts and casting parts accurately
Distinguish from scopeShanghai Zhejiang forest auto parts experts pointed out that the forging process can eliminate cast loose, metal welding holes, so an important part of high load working conditions, severe machinery, in addition to relatively simple shapes can be rolled plates, profiles or welded parts, the forging process. Because of its low cost and good economy, casting parts processing is widely applied and belongs to the basic process of modern machine building industry.
Q:What are the casting parts processing engineering?
Among them, special casting has metal mould casting, pressure casting, low pressure casting, lost wax casting (also known as precision casting), shell casting, lost foam casting, centrifugal casting, continuous casting, V casting, and clay casting
Q:The cause of fracture and why there is no toughness
This question is too broad, see what the casting casting Oh in order to reduce the wayward cast steel, ductile iron, gray iron and white iron, you can choose the material according to their own requirements.
Q:Is 316 casting better than 304 casting?
It is comprehensive. There is no simple comparison of the material to determine the degree of difficulty in processing
Q:How to get rid of casting sand inside casting parts?
Are you saying that in the sand casting cavity? We use the manual blast, he is like a pipe will be automatic shot out of the grit, into the casting cavity, to remove the internal cavity in the purpose of casting sand!
Q:The difference between cement sand castings, resin sand castings and vacuum casting parts
Vacuum casting is the process of using ventilation molds. Molten metal flows into the mold by air pressure, and then removes air to form a vacuum. The casting process is mainly used for small parts or jewelry with exquisite detailsCompared with the traditional clay sand casting, heat hardening resin sand casting production with low surface roughness, high precision, good quality characteristics, dimensional accuracy of resin sand mold after hardening with good rigidity and high, and not easy to deform, so in the choice of process parameters, mechanical processing you can select a smaller margin, thereby reducing the consumption of metal solution and machining cost, which can improve the dimensional accuracy of castings.
Q:How can the casting be plated with ordinary zinc plating? The coating is too thin and requires 0.08 thickness
Hot galvanizingGenerally 0.06 mm or more

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