What surface treatment can you do? Silica Sol Investment Casting Part 10, 274 products found from 513. • Short leadtime for prototype, trial casting and any possible technical improvement. Therefore, the surface finish of investment castings is higher than that of general castings, generally reaching Ra. Silica sol investment castings have very good. Furthermore, use of colloidal silica binders has allowed investment casters a greater freedom of design with an increased level of intricacy to castings. Metal Stainless Steel Precision Investment Silica Sol Lost Wax Casting for Auto Parts Machinery Industrial Valve Pump Impeller Marine Kitchenware Bathroom.
As a result, we can achieve complex and difficult castings successfully. Both silica sol casting and water glass casting belong to investment casting or lost wax casting. Application of Silica Sol Casting. Surface treatment for silica sol castings: a. Polishing. Silica sol investment casting process uses silica sol zircon sand as the molding material, which can stand temperatures up to 2000 degrees. Nominal Pressure: PN1. Fly foundry is professional on casting products in silica sol casting process. It becomes obvious at this point that distilled or deionized water must be added to the system in order to bring it back to its original state. Different 1: Concept different. The most commonly used binder in investment casting is silica gel solution (abbreviated as silica sol), such as ethyl silicate hydrolysate, water glass and silica sol. If binder is added to the slurry to lower viscosity, the dispersed silica content of the binder phase increases even further. Requirements for the development of silica sol to improve the efficiency of investment casting.
Molten wax is injected into the metal die to create a pattern, allowed to solidify and then removed. Silica sol investment casting and water glass investment casting are both without parting line, can manufacture complex shape part which sand casting process is not suitable for, such as impeller, etc. Meanwhile adhesive of water glass investment casting is water glass. Machining: Machining Center. The silica sol investment castings have better dimensions and surface quality, but just more expensive than water glass casting.
Colloidal Silica is the most popular binder used in the precision investment casting industry today. Stainless steel 304 and stainless steel 316 are the main material grades for solical sol castings. Usually used polishing methonds for silica sol castings are mirror polishing and electrochemical polishing. Pressure: Medium Pressure. • Mechanical property analysis. Lost Wax Casting /Investment Casting /Silica Sol Precision Casting /Gravity Casting Machinery Spare Parts. It is normally two times of the cost of water. The shrinkage of the material, the deformation of the investment mold, the linear change of the shell in the heating and cooling process, the shrinkage of the alloy and the deformation of the casting during the solidification process, etc., so the dimensional accuracy of ordinary investment castings is high, but its Consistency still needs to be improved (the size consistency of castings with medium and high temperature waxes should be improved a lot). Process: Precision Casting. • Surface Treatment: Passivation, Anodizing, Electroplating, Hot Zinc Plating, Zinc Plating, Nickel Plating, Polishing, Electro-Polishing, Painting, GeoMet, Zintec. Be honest about your volume and choose the Silica Sol Investment Casting Part that is designed for the needs of your business. Calcium aluminate was used to add into the slurry to increase the strength of the wet gel body of the core.
Because the composite mold shell uses the whole surface layer made of zircon powder with relatively high price, and its mold shell cost is 4. Effect of SiO2 concentration in silica sol on interface reaction during titanium alloy investment casting. Calcium aluminate (Liaoning Tianhe Technology Co., Ltd., China) filler were prepared. 2 @ 250 C Viscosity 12 -13 seconds Ford B-4 cup @ 250 C. Alkali, as Na2 0 0. For the manufacturers of silica sol precision casting companies, the casting specifications and surface quality of precision castings are higher than those of other casting methods, and are more complicated than other casting methods. Abstract This paper presents a comprehensive review of the state of the art and challenges involved in investment casting of Ti–6Al–4V (Ti–6–4) alloy to improve the quality, costs and manufacturing…. As a result, the parting line will leave outside the finished part. Qingdao Refidus, one of dedicated investment casting manufacturers in china, is sharing some characteristic of them as following. D. Beside stainless steels, silica sol casting process is also used for casting small size alloy steels and carbon steels. Casting Method: Vacuum Aspirated Casting. However, for the latter, the problem of shortening production cycle and improving production efficiency becomes more prominent.
Please keep the source and address of this article for reprinting: Stainless Steel Silica Sol And Precision Casting Process. Info: Periodical: Pages: 180-188. The freezing water concentrates the colloidal particles in such a way that causes them to gel. Different 4: Casting prices. Problems of Materials Choice for Ceramic Molds to Obtain Titanium Alloys Shape Castings. OTTOMMO Casting continues to improving our process and utilizing the newest technology available in our industry. Metal investment casting can produce almost all types of metal parts in the firearms industry, such as triggers, and hammer firearms. Silica Sol Precision Casting/Alloy Steel Precision Casting/Low Carbon Investment Casting/OEM Water Glass Casting Parts/Nodular Iron Casting. Glass composite shell castings.
Be used to produce heat resistant steel castings. Of course, due to the complex process of investment casting, there are many factors that affect the dimensional accuracy of castings, such as molds. Casting Method: Investment Casting. The development of aviation jet engines at that time required the manufacture of heat-resistant alloy parts such as blades, impellers, nozzles, etc., with complex shapes, accurate dimensions, and smooth surfaces. Silica sol casting is a typical investment casting process for stainless steel investment main process of silica sol casting is mould desigh & making--wax making--tree assembling--dewax--pouring--grinding-heatment-inspection-package.
Cinda investment casting foundry has its own silica sol factory which not only supply all silica sol molding material for our own foundry, also supply high quality silica sol for other precision casting foundries around Ningbo area. The measured pH value of the slurry is about 10. Both of the two casting process are suitable for complex shape part and thin wall part. Casting Form Usage Count: Disposable.
Silica sol casting can be carried out for further machining. ▶ Why You Choose RMC for Custom Lost Wax Casting Parts? 2 µ or better, wish make it ideal for industries like Food, pump and water applications. The average particle size of the fused silica filler and the calcium aluminate filler is 78.
Application: Hardware. • Strong outsourcing manufacturing capabilities. For some castings with extremely large internal structures, the wax patterns cannot withstand the weight of big precast ceramic cores. Silica Sol Casting vs Water Glass Casting. Which is more accurate dimension and smooth surface. Water glass shell is drying through chemical hardener, which cost is lower. However, OTTOMMO Casting keeps both processes and makes more options for our customers.
Download our review of the main casting processes and how to choose…. Technical specifications. It is safe, economical, and easy to use. Mainly the silica sol is applied to the precision casting, because of its relatively high production cost but gives out a very fine accurate dimension, nice surface finish, and very good quality result overall. NYACOL® Zirconia Acetate is a preferred binder for the casting of titanium. The strength of silica sol shell can be divided into normal temperature strength, high temperature strength and residual strength according to the different thermal effects.
How can I get the quotation? As the molding material, silica sol is able to stand temperature up to 1800℃. In these cases, core packing is needed. It can completely meet the requirements of investment casting process. • Machining: Turning, Milling, Lathing, Drilling, Honing, Grinding. Preparation of concentrated suspension. Application: Food Industry for Gearbox. Linear tolerance can be controlled with ±0. The slurry should be discarded if the total sample becomes solid. The mold filling process of titanium alloy in a thin-walled cylinder cavity under vertical centrifugal casting process was studied by means of the hydraulic simulation experiments. Enter the hollow shell, and after the metal is cooled, the refractory material is crushed to obtain metal parts. You can get the exquisite tomb plate of Zeng Hou Yi.
Surface Preparation: Spray-Paint More. Careful selection and use of these products is required. Investment castings: 1, Outer surface: Silica Sol shell casting surface is better.