The process parameters related to the characteristics of sand casting process design are taken as the optimization object, and the carbon benefit is taken as the optimization goal, so as to improve the sustainability of the casting process to a certain extent. On the basis of ensuring the forming...
In order to effectively analyze the comprehensive benefits of carbon emission, production time and resource cost of foundry enterprises, the carbon benefit model is introduced through the established quantitative model of carbon emission, production time and resource cost under the influence of process design characteristics, as shown in the...
Traditional sand casting often has design limitations in process, especially for the forming of complex castings, the differences of casting structure, casting sand heat transfer coefficient and shrinkage are easy to lead to casting defects. Therefore, relevant scholars put forward the concept of multi-material composite mold to study the...
The z-axis is selected as the prospective control axis to verify the effect of five axis linkage speed control. Take the limit value of forward and reverse speed of each axis equal, set the electronic gear ratio and pulse frequency division of each axis servo driver respectively, so that...
In the process of five axis machining, due to the large amount of data, the control system can not carry out a lot of inverse RTCP calculation in advance, and the motion speed can only be calculated according to the programmed coordinates. Based on this principle, when using five...
The three-dimensional modeling of impeller sand mold is carried out by UG, and the automatic cutter shaft machining mode is selected in cam module. The machining strategy is from the coated cylinder to the wheel hub, the blank size is 337mm × 337mm × 166mm, the cutter diameter is...
In order to limit the speed of each axis in the process of five axis simultaneous high-speed forming of sand mold, adopting look ahead control is an effective method. According to the formula, the speed of x-axis and y-axis is as follows: According to the formula, the machining speed...
The five axis machine tool with double turntable structure has a smaller part size, while the sand mold is mainly composed of cavity and larger size, so it is suitable to use double swing head structure. The double pendulum head five axis equipment mainly has a-c and B-C two...
Steel casting , iron casting and great majority non-ferrous alloy castings can be got by sand mold casting . For a long time , sand mold casting is always the basic technology in foundry practice as a result of the low-cost molding material , means simple and efficient ,...
In sand mold casting, the sand casting and green sand molding, generally, can be thought of as interchangeable terms, for the same sand mold casting process. During the sand mold casting process, the sand casting process – or green sand molding process – is the most commonly used Casting Process in...