Improvement measures of casting process of turbocharger pressure shell
Many factors such as the shape, wall thickness, material characteristics and size of the mold and the casting have an […]
Many factors such as the shape, wall thickness, material characteristics and size of the mold and the casting have an […]
Under the influence of the concepts of energy conservation and emission reduction and green environmental protection, more and more people
The sand core positioning structure adopted on the cylinder block lower core fixture is also diverse in production practice. Many
The clamping mechanism of Cylinder Block Casting lower core clamp is also diverse in production practice, but according to the
For the rotary clamping structure of cylinder block sand casting, the power source is usually cylinder (compressed air). In addition
In addition to meeting the process requirements such as the accuracy of the lower core of the sand core, the
The structural forms of the lower core clamp of sand casting cylinder block are various in production practice, but according
The complex thin-walled iron castings of vehicle engine cylinder block are usually mass produced on the sand casting line. In
1. Carbon content The carbon in the nodular cast iron piston ring does not damage the mechanical properties like the
1. Main structural characteristics of vertical column The vertical lathe column casting is a super large, super heavy and high-strength
The inoculant used in the production of nodular cast iron piston rings is a special mixed inoculant, which is composed
According to the optimized process design, the production process control scheme and on-site construction scheme of sand casting shall be
The sand casting process plan was trial produced (as shown in Fig. 1). The X-ray flaw detection results are shown
The pig iron with 40% ~ 100% of the above components and less than 60% of the return material are
The column of a large CNC vertical lathe (hereinafter referred to as “vertical lathe”) is a key basic component of
German experts have repeatedly stressed that “the key to the production of nodular cast iron piston rings lies in raw
In general, the technical standards for gravity casting cylinder block blanks often require the hammering method to be used, and
2.7 CTI diesel engine cylinder block is an in-line four cylinder engine. The casting brand is HT250, the blank mass
Nodular cast iron piston ring plays the role of sealing, heat transfer and support in the engine, so it is
1. Test materials and casting process parameters In this experiment, ZG35CrMo steel is selected as the material of mechanical bearing
With the continuous development of China’s industrialization, more and more mechanical equipment of different sizes and types are applied to
6BT cylinder block is a typical dry cylinder liner cylinder block. Compared with similar vehicle engine cylinder blocks commonly seen
High purity pig iron, scrap steel, ferrochromium, ferrovanadium, ferromolybdenum and other master alloys are selected. Copper and tin are added
With the continuous development of marine low-speed diesel engine in the technical direction of high intensity, ultra-long stroke, ultra-high burst
Gray cast iron material has the advantages of low price, excellent casting performance, easy cutting and good wear resistance. It
At present, environmental problems have become increasingly prominent, and countries all over the world pay more attention to the pollution
Through the study of fatigue wear failure forms and influencing factors, it is understood that fatigue defects mainly appear on
The test prototype is LX2204 high-power tractor, and the working tool carried is the French Kuhn EL282 rotary cultivator. See
In order to effectively improve the fatigue wear resistance of gray cast iron, it is necessary to understand the fatigue
Due to the excellent performance of gray cast iron, it has become one of the essential components of precision machine