Application of steel castings for ship equipment
Ship type military equipment includes destroyers, cruisers, battlecruisers and battleships. Its structure is analyzed and divided into ship platform system […]
Ship type military equipment includes destroyers, cruisers, battlecruisers and battleships. Its structure is analyzed and divided into ship platform system […]
The complete production process of a casting product includes product design, process design, casting blank production, heat treatment and machining.
After molten steel enters the mold, it will produce shrinkage porosity and shrinkage cavity due to liquid shrinkage, solidification shrinkage
According to the position of the cold iron in the sand mold, it can be divided into internal and external.
Before the mass-produced coupler products are finally put into storage, they need to go through one preliminary surface inspection, two
Cold crack refers to the crack caused by the local casting stress greater than the ultimate strength of the alloy
According to the above casting defect analysis and countermeasures, a new process diagram is finally formed, as shown in Figure
(1) The section diagram corresponding to the casting defect I is shown in Figure 1. The casting defect I occurs
1.Mold making and trial production According to the designed process drawing and tooling drawing, the die quotation is carried out.
At the military civilian integration development forum held in July 2015, relevant persons from the Bureau of science, technology and
The flaw detection in the casting workshop mainly detects the superficial cracks of steel castings after pre normalizing and air
The main defects in the trial production of hook body and hook tongue parts are crack, air hole, sand inclusion
The basic technological process of trial production of railway steel castings is introduced, the final technological scheme (serving the mass
Although the wet mold clay sand has good concession and refrigeration, crack defects still appear from time to time in
1. Problem description Sand casting bracket steel casting, steel casting No. 20e-70-k1432. The steel casting is a new external product
The shrinkage porosity and shrinkage cavity defects in the production of Wet Mold clay sand steel castings are mainly related
This steel casting is also an actual pouring example to test the simulation accuracy of the software. The shape of
Surface sand sticking defect refers to the adhesion of a layer of sand particles on the surface of steel castings
Sand inclusion defects are surface defects of wet molding clay sand expansion, which mainly appear on the upper and side
Bowl lining steel castings are the products produced by the machinery factory of Shougang Mining Company. The material is wear-resistant
More advanced methods are adopted to accurately predict the shrinkage cavity and porosity defects in the solidification process of steel
The foundry industry has a civilization history of more than 6000 years in China, and now it is facing the
The casting defects of coupler tongue include crack, sand inclusion, mechanical sand sticking and other defects. In the actual trial
The blow hole defects produced by wet molding clay sand cast steel process are mainly intrusion blow hole and precipitation
Many parts of construction machinery such as bulldozers and excavators are cast steel castings, which often have shrinkage defects. Light
The defects of shrinkage cavity and porosity are briefly introduced. Combined with the theories of filling capacity of liquid metal,
The main casting defects of coupler body include crack, air hole, sand inclusion and mechanical sand sticking. The main parts
Different steel casting production processes determine different production processes, but they can be basically divided into process design, model making,
1.Problem description Sand casting boom steel casting, steel casting No. 322232642, is an accessory of atlas process engineering machinery rock
Inspection and test are important means to ensure the quality of steel castings and the process quality of steel castings.