Q:How to improve the surface roughness of casting parts?

One is to improve the accuracy of the model; the two is to improve the molding sand mesh. How much is the other relationship?.

Q:Shandong foundry, casting small pieces of precision casting

Small foundry in Shandong too much, like many of us in Qingdao, then Dongying Changshun investment casting is a home, they are also casting precision casting equipment, specifically what I recommend that local enterprises, far is not convenient,

Q:ZGMn13 casting parts processing, with what knife head good?

The ZGMn13 itself is not have processing, if only the processing point, sharpening, ordinary can, if the processing area is relatively large, ZGMn13 external impact load is bigger,

Q:How can the casting be free of trachoma?

2, pouring temperature should be enough, otherwise the sand can not float up;

Q:What are the casting parts processing engineering?

According to the classification of process methods, sand casting and special casting.

Q:The casting sand is going on

3, prevention measures(1) to improve the strength of sand mold (core), especially surface strength, high temperature strength, refractoriness, compact, better coating, good core coating and parting surface coating.(2) mould and box can prevent damage;(3) the core should have clearance.

Q:What are the effects of stiffeners on castings, or on welded parts (for 2 tons or less), casting or weldments on stiffeners?

4, the performance requirements of the steel: whether castings or welding parts, there may be quality defects, but the casting will generally be worse than the weldment.You should be able to make a choice in the end.

Q:Where is the precision casting factory?

Shandong, DongyingThe birthplace of precision casting

Q:I often see Waixiejiagong drawings, casting, how to distinguish the latheman.

The technical condition or the material column in the title column will tell whether it is a casting drawing or not. However, the need for casting drawings, and some also through machining (car, milling, etc.), this should be part of the process drawings, process drawings are described

Q:Casting parts by shot blasting, spray painting, baking after the formation of very small rust spots, how to solve ah?

The first process is very important. Shot blasting must be thorough. The solution is to wipe the surface of the paint with a release. Re shot