manhole cover, sanitary sewer manhole cover, cast iron manhole cover
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specifications
1.manhole cover
2.15 years casting experience
3.Capacity:12000 Tons
4.QA and QC each batch
D400 E600 cast iron manhole cover
Product Description
>>Specification
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>>Manufacturing process
1.Sample or Drawing by customer 2.Tooling proposal&Discussion 3.3D Tooling Design 4.Tooling production 5.Rough parts manufacturer 6.CNC Machining 7.Fitting&Finish 8.Tooling Measurement&Check 9.Assembly 10.Trial Production 11.Correction 12.Final Trial 13.Samples Inspection 14.Sample Approval by customer 15.Tooling Approval 16.D400 E600 cast iron manhole cover |
>>Our Features
1.Materials:Gray iron, ductile iron, malleable iron, carbon steel,Alloy steel, stainless steel, aluminum, bronze, brass,etc. 2.Standard:JIS, DIN, ASTM, BS,GOST 3.Processes:Sand Casting, Investment Casting,Precision Casting,Forging,Stamping ,CNC Machining. 4.Surface treatment :Electro Zinc Plating Hot deep zinc plating,Electrophoresis,Powder coating,Painting ,Shoot blasting etc. 5.Heat treatment :Induction furnace for raw material heating.Heat treatment of continuous quench+temper+carburization available. 6.Machining:CNC machining centers for further machining process. |
- Q:When the blank is a casting, the margin is evenly distributed, how should rough machining?Please help friends from mechanical classes.There is another problem: in the NC milling plane contour machining, when the rough margin is large, how to deal with.Who can help in time, add 20 reward. Urgently!!
- Problem one,1, according to drawings, castings, material requirements and machine power, choose the right diameter of roughing tools, and can process this material blade type.2, according to the actual size of the casting blank, calculate the number and path of the knife, pay attention to small cutting depth, large feed, cutting width, to ensure that the tool diameter 80 - 90%, the amount of not full knife cutting, this tool and machine tool damage.Question two,If they can not change the casting blank allowance under the condition that the quantity large diameter cutter, such as milling cutter main angle 7560 degrees can give reasonable processing parameters, the same cutting depth should not be too large, because in the same machine power, tool diameter increases, cutting depth will need smaller.
- Q:We are small castings, the need for surface treatment of shot blasting machine, about how much?
- The choice of shot blasting machine, this is according to the workpiece size, yield, whether can collision, and the working time and other factors considered, while the price of different blasting machine are not the same, but the vast majority of small castings used crawler shot blasting machine,
- Q:What are the requirements for casting steel castings?
- 1, high quality requirements of the surface or the main processing surface should be placed below.
- Q:For example, casting parts contain many holes, inclusions and other defects, the size and the number of holes exceed which limit is not 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 foundry factories are used in the casting parts of China's major automobile manufacturers?
- For example Changchun FAW, under a casting, two casting and other casting plant, but there are more than half of all outsourcing in Tianjin Hebei Shandong purchase, many automobile enterprises to casting foundry.
- Q:The difference between sheet metal and casting parts
- Commonly used in machine tools casting material is gray cast iron, casting bearing alloys can also be.
- Q:Cause of choking of casting parts
- The reason is not in the coated sand, see coating gas evolution, the best use of zircon powder coating (low gas evolution), there is a mold according to a vent needle, this depends on your way is flat or vertical pouring pouring pouring, if vertical pouring, venting pin on the die, and the big piece how could the plane, pouring water flat, a breath, a taboo ah!
- Q:Why should pig iron be used in casting?
- 1, in the absence of special requirements, the most important thing is that the price is cheap.2, pig iron castings quenching process requirements are not high. You can do it by hand.3, pig iron casting hardness is very large, can meet many requirements.4, pig iron castings, high temperature resistance is relatively strong. Like stoves are pig iron castings.5, pig iron casting plasticity is very bad, but in some experiments, but use this weakness to improve the sensitivity of the experiment.Wait
- 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:The casting defects of pores, trachoma how to repair?
- If the repair after the high temperature resistance, choose LT737 high temperature repair agent.
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manhole cover, sanitary sewer manhole cover, cast iron manhole cover
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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