The Matters Need To Attention of Lost Wax
    Lost wax casting wax tree is to make a good wax models according to certain order, with welding unit along the circumferential direction in layered ground welding on a stick of wax, make up a shape resembling a tree of wax tree, then wax tre...

Lost Wax Casting Wax Tree Operation Essen
    Kinds of wax tree must be kind in a circular rubber chassis.This is the diameter of the rubber chassis with the inner diameter of the cylinder form a complete set of stainless steel.General rubber chassis is 3 inches in diameter, 3 1/2 inche...

Should Pay Attention to the Problem of th
    1) kind of wax tree waterway and wax wax models generally have a 45 Angle between rods, that is, the direction of the wax models is tilted upward.Only in this way can facilitate the goldwater smoothly into the plaster mould.This Angle can be...

Basic Knowledge of Heat Treatment Part 12
    Nitrocarburizing Operation method: to the steel surface carburizing and nitriding at the same time.Objective: to improve the steel surface hardness, wear resistance, fatigue strength and corrosion resistance.Application points: 1. More for l...

Basic Knowledge of Heat Treatment Part 11
    Nitriding Operation method: use in the 5.. ~ 600 degrees ammonia decomposition of reactive nitrogen atoms, the steel surface is nitrogen saturation, formation of nitride layer.Objective: to improve the steel surface hardness, wear resistance...

Basic Knowledge of Heat Treatment Part 10
    Carburizing Operation method: put infiltration medium carbon steel, heating to 900 ~ 950 degree and heat preservation, the steel surface to obtain a certain concentration and the depth of carburized layer.Objective: to improve the steel surf...

The Influencing Factors of Heat Resistant
    (2) heat resistant steel notch sensitivity: gap caused by stress concentration to the persistent strength decided to temperature, the influence of geometric shape of the gap, durable plastic steel, heat treatment process and factors such as...

The Influencing Factors of Heat Resistant
    (1) the temperature gradient, temperature fluctuation of heat resistant steel materials has distinct effect on the mechanical properties at high temperature.In the power plant boiler equipment due to many factors such as start-up, boiler sto...

Accuracy and Cost of Investment Casting
    All kinds of casting method for precision casting, initial investment and productivity is not consistent, the economic benefit is also varies.Therefore, to do more, faster, better, the province, all aspects should give attention to two or mo...

The Brief of Investment Casting
    Precision casting is compared with the traditional casting process of a casting method.It can obtain relatively accurate shape and high precision casting.A common approach is: first, in accordance with the requirements of product design and...

Radiant Tube is an Important Auxiliary Eq
    Heat treatment process of production and processing is important in the process of heat treatment, the radiant tube plays an important role.Radiant tube adopts advanced production technology and material, has the characteristics of high temp...

How to Improve the Level of Casting Techn
    Experts say, to fundamentally improve the level of casting technology it has to do the following four points:A, development of simulation technology, improve the accuracy of prediction, to strengthen the process control and improve the yield...