Good Wear Resistance And No Reakage Forged Grinding Ball

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Qingdao Port
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TT or LC
Min Order Qty:
25M.T. m.t.
Supply Capability:
200000M.T./Year m.t./month

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Product Description:

Good Wear Resistance And No Reakage Forged Grinding Ball

Forged (hot rolled) grinding media steel balls for mining, cement plant, power station, chemical industry.

Features of Good Wear Resistance And No Reakage Forged Grinding Ball

1.High hardness, and hardness gradient uniform distribution.

  the volume hardness more than 60HRC, which grantee the balls with good roundness during working.

 2.Low breakage rate, the breakage rate of ball is less than 1%.

 3. Good mechanical properties, in processing, the balls quenched in water, subsequent tempering. 

    Keep the ball under 180~220 Celticism, make the ball have good impact properties

 

Specification of Good Wear Resistance And No Reakage Forged Grinding Ball

Material

C

Mn

Si

Cr

S

P

60Mn

0.57-0.65

0.70-1.0

0.17-0.37

≤0.25

≤0.025

≤0.025

65Mn

0.62-0.70

0.90-1.20

0.17-0.37

≤0.25

≤0.035

≤0.035

40Cr

0.37-0.44

0.50-0.80

0.17-0.37

0.80-1.10

≤0.035

≤0.035

 

 

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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: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:What are the casting parts tested?
The surface brightness, appearance, size, chemical composition, weight, material, surface defects, internal defects, seals need to be checked, leakage, etc.
Q:What do you mean by "proofing" in the casting? Do you charge for the proofing?
Proofing refers to making the first sample to confirm to the customer
Q:The casting sand is going on
2, causes(1) sand mold (core) strength is not high, when the box a little reason will fall off.(2) the strength of sand mould (core) is not high, it can not stand the erosion of molten steel.(3) box sand mould (core) crush.(4) high strength under high temperature, warpage, deformation and protuberance into the cast steel under the action of high temperature molten steel.(5) the floating sand in the air hole of the sand mold falls, especially when the floating sand falls in the casting, and the floating sand on the surface of the sand mold is easy to fall through the air vent.(6) when the box is closed, the surface of the mold cavity and the surface of the sand core are not cleaned, and the sand (core) surface has floating sand and so on.
Q:What is the difference between the casting drawing and the car work drawing?
Casting rough drawings generally no processing symbols, processing drawings indispensable is processing symbols!
Q:Younger brother is to do casting valve, precision casting parts, the valve internal sand serious, but the appearance is very standard, this is why, for God answers, thank you!
Increase the refractoriness and looseness of core sand
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
The clay wet sand castings casting weight from a few kilograms until tens of kilograms, but the clay dry type of casting production can be weighed dozens of tons.For medium and large castings, cast iron, cast steel can be self hardening sand with resin can be water glass sand production, can obtain the precise size, smooth surface castings, but casting precision, surface roughness, density and microstructure, mechanical properties and material cost of sand casting production is often poor, so when the higher performance requirements of castings, should adopt other casting methods, such as casting (lost wax casting), die casting, low pressure casting.
Q:In theory, which is more expensive, forging parts or casting parts?
The structure of the casting is relatively flexible in design, and the modeling is easy to realize.
Milling Queen was founded in 2012, located in Hushi Town, Jiangyin City, Jiangsu Province. Our company is next to the beautiful Yangzi River and the China first village-Huaxi Village. It is about 2km distance from expressway, 8 km from the Changjiang port, 60km from the Wuxi International Airport with convenient traffic extending all directions.

1. Manufacturer Overview

Location Jiangyin City, Jiangsu Province, China
Year Established 2012
Annual Output Value Above US$100 Million
Main Markets South America; Oceania; Eastern Europe; Africa
Company Certifications ISO9001;IS014001 Certificate

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Qingdao Port; Tianjin Port; Shanghai Port
Export Percentage
No.of Employees in Trade Department 5 - 10 People
Language Spoken: English; Chinese; Spanish; Portuguese; Russian
b)Factory Information  
Factory Size: 10,000-30,000 square meters
No. of Production Lines Above 10
Contract Manufacturing Grinding Ball; Grinding Rod; Cylpeb; Grinding Media; Ball Mill Ball
Product Price Range Average