high quality electric power precision casting accessories

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Material:	alloy steel	Standard:	ASTM, AISI, DIN, NF, JIS, BS AS , etc	Application:	electrical equipment
Technology:	Silicon sol	Surface treatment:	Blasting,polishing,painting,Hot Treatment, galvanized	Finish/ Surface Roughness:	Ra6.4~12.5
Casting Weight:	0.02~70 Kg	Dimension Tolerance:	CT5-CT7	Production type:	OEM welcomed ,customized
Machining:	CNC Machining

Packaging Detail:	OEM high quality electric power precision casting accessories packaging : --carbon/ wooden case/ plastic woven bags/ pallet . --Suitable for any transportation and as per customer's requirements.
Delivery Detail:	one month

-Customized + processing for customers
-Casting and machining
- Standard :ASTM, AISI, DIN, BS and JIS
-OEM service

Product Specifications;

Material	common carbon steel , low alloy steel , stainless steel ,steel, 304 (CF8),316(CF8M),304L,316L , and others.
Standard	ASTM, AISI, DIN, NF, JIS, BS ,AS , etc
Application	railway & train, automobile, ships, agriculture machinery, mechanical machinery components, electrical equipment, engineering machinery, mining machinery, petroleum machinery, etc.
Technology	Silicon sol & sodium silicate process precision casting and machining. Die forging
Surface treatment	Blasting ,polishing, painting, Hot Treatment, galvanized
Finish/ Surface Roughness	Ra (6.4~12.5)
Casting Weight	(0.02~70) Kg
Dimension Tolerance	CT5~CT7/ CT7~CT9
MOQ	500 pieces

Q: There is a little trace of polishingShock polishing is even worseElectrolysis can not be uneven, there is a slight bump: German winter three step mirror polishing 2013 new processYou can free proofing!

Q: What are the casting parts used to test shrinkage holes?: 3 fluorescent magnetic powder, this method can also be found in part.

Q: How to calculate the price of casting parts?: According to the complexity of the workpiece, material and casting requirements and process yield

Q: Why does the surface of stainless steel casting mirror mirror ripple?: Because the grinding machine is layer by layer. And the material inside the casting is not completely uniform.

Q: What is normalizing, annealing, tempering, quenching? What is the difference between forging parts and casting parts?: For the nodular cast iron, the hardness, strength and wear resistance are improved, such as used in the manufacture of automobile, tractor, diesel engine crankshaft, connecting rod and other important parts. A normalizing and hypereutectoid ball annealing before, can eliminate the mesh two cementite spheroidizing annealing, to ensure that all spheres of cementite. Annealing is a metal heat treatment process, which means the metal is slowly heated to a certain temperature, sufficient for a long time, and then cooled at an appropriate speed. The purpose is to reduce hardness, improve machinability, eliminate residual stress, stabilize size, reduce deformation and crack tendency, refine grain, adjust microstructure and eliminate tissue defects. Its purpose: (1) reduce hardness and improve machinability; (2) eliminate residual stress, stabilize size, reduce deformation and crack tendency; (3) refine grain, adjust microstructure and eliminate tissue defects. In production, annealing process is widely used.

Q: Casting parts need to be subjected to the kind of heat treatment after the weldment is finished: This is difficult to say, the key is to see the specific parts and components, the final mechanical performance requirements.For example, gray cast iron, usually graphite annealing, to heat treatment annealing, surface quenching and so on, ductile iron can be a variety of annealing, normalizing, quenching and isothermal quenching, surface treatment, chemical treatment and so on, in a word, heat treatment of steel can usually, nodular cast iron can do. Malleable cast iron and vermicular cast iron are often subjected to graphitization annealing and stress relieving annealing, while wear-resistant cast irons often undergo quenching + low temperature tempering, and so on.Welding is the case, such as bearing steel welding must be quenched + low temperature tempering, machine spindle welding (repair welding) must be quenched and tempered treatment, and so on. Of course, if it is a general weld, there is no need for heat treatment or, at most, stress relieving annealing.

Q: What are the effects of stiffeners on castings, or on welded parts (for 2 tons or less), casting or weldments on stiffeners?: Please consider the following points:1, batch: if the product batch is very large, casting will certainly have advantages, cost sharing will be very low. If less, it is recommended to use weldments.2. Reinforcement structure: if the structure is relatively simple, it is recommended to use welded parts, complex, preferably casting.

Q: What is the difference between forging parts and casting parts?: Forging is in hot state through the metal hammer or press equipment produced by forging parts. A casting is a metal that is liquid and is poured into a cavity of a specified shape and cooled and solidified. It is the forging metal soft pinch molding, and casting the metal into thin cooling solidification.Forged parts are costly and have long production cycles.

Q: After reaming, the roughness can reach several levels, that is to say, the sample.Casting parts in rocker arm drilling, reaming, roughness, block. After reaming, the roughness can reach several levels, that is to say, the sample.: The finish of reaming depends on the material and the sharpness of the reamer, as well as the speed and speed of the top and bottom. Marine machine tool

Q: What reason is the bronze statue choking fire?: The casting process in boiling phenomenon, is the setting of the exhaust hole positioner position or number is not reasonable, the air cavity can not be discharged, overwhelmed by a material inlet, reflux, change mould, sincerely help you look forward to adopt,

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