Technical requirements for rapid shell manufacturing of silica sol in investment casting
The premise of high quality shell is good wax mold quality. The standard requires that before shell manufacturing, the wax […]
The premise of high quality shell is good wax mold quality. The standard requires that before shell manufacturing, the wax […]
The rapid shell-making process described in the standard has no special requirements for investment casting refractory, wax, other surfactants, defoamers
1. Scope This standard includes seven parts, including scope, normative references, terms and definitions, raw and auxiliary materials for rapid
During the 13th Five-Year Plan period, in response to the central green development concept, various environmental protection laws and regulations
The core technology of investment casting of superalloy is the optimization and preparation process of core and shell material system.
ZHK400 vacuum consumable electrode arc shelling furnace is used for melting. The consumable electrode uses the secondary ingot bar produced
The core pulling molding sand casting technology commonly used in the production of cast impeller and the assembly and welding
In order to improve the mechanical properties of zg1cr18ni9ti stainless steel impeller investment casting sand casting, reduce segregation and improve
a. Gas cutting process parameters The gas cutting equipment of impeller investment casting sand casting pouring and riser adopts g01-300
Due to the low plasticity and work hardening of investment casting sand casting stainless steel impeller, it is difficult to
When the mold shell of impeller investment casting sand casting part and the sand mold of wheel hub and spoke
a. Formulation of molding materials Impeller investment casting sand casting molding material is the most important factor in casting production.
a. Sand consumption The distance between the impeller investment casting sand casting pattern and the inner wall and top of
(1) Impeller investment casting – sand casting weight The weight of each impeller by investment casting sand casting is about
(1) Comparison of riser number of wheel hub in investment casting sand casting Check whether an impeller investment casting sand
(1) Impeller investment casting – Determination of specific shape and size of riser of wheel flange in sand casting According
(1) Determination of specific shape and size of riser of wheel hub in investment casting sand casting According to the
The molding process of impeller investment mold sand mold composite casting is the key content of the whole process, which
(1) Calculation of riser modulus of wheel hub in investment casting sand casting Impeller investment casting – sand casting, the
The 75 kW box type electric furnace is used for investment casting impeller blade investment baking equipment. The investment casting
If the coating tooling is removed immediately after the coating of partial mold shell of investment casting impeller blade, due
The assembly and welding process of investment casting impeller includes wax mold trimming, wax mold cleaning, wax mold inspection and
(1) The welder assembly of impeller blade assembly is composed of 6 parts: upper cover plate, lower cover plate, locating
In the traditional sense of investment casting, the welding of investment module, that is, after removing flash, polishing and inspection,
The investment casting process of single impeller blade mainly includes several processes: mold material preparation, investment mold manufacturing, cooling, storage
The first step in the preparation of the melt mold shell is to manufacture the melt mold of the whole
Nominal dimension of die cavity of investment casting impeller blade L: Where LP – average dimension of investment casting impeller
From the beginning of manufacturing the investment mold to the formation of the casting, the size of the impeller blade
(1) Investment casting impeller blade pressing structure After analyzing the structure, shape, technical requirements, production conditions and economy of investment
Considering the influence of turbine blade investment casting process accuracy, the objective fact that the real shape of Aeroengine Blades