1. Sand mold manufacturing The depth of the mold cavity is too deep during the processing of the outer mold of the cylinder block sand casting. In the three-dimensional design stage, the high-end surface of the side of the deep cavity of the mold is cut off to form...
Nodular cast iron piston rings are more and more widely used in various engines such as agricultural machinery, automobiles and cars, mini cars and motorcycles Φ one hundred and ten Φ one hundred and fifteen Φ 120 and other single cylinder diesel engines, 4 102, 4 105, 6 110,...
The sand core positioning structure adopted on the cylinder block lower core fixture is also diverse in production practice. Many factories provide the lower core fixture with accuracy and reliability as much as possible. Positioning blocks (or fast limit) are set around the “overall sand core” to prevent the...
The clamping mechanism of Cylinder Block Casting lower core clamp is also diverse in production practice, but according to the different motion principle of its clamping (clamping) plate (or block), it can be roughly divided into two types: rotary clamping structure (as shown in Figure 1) and flat moving...
For the rotary clamping structure of cylinder block sand casting, the power source is usually cylinder (compressed air). In addition to the horizontal movement of the cylinder shown in Figure 1, driving the connecting rod mechanism to make the clamping plate (block) structure rotate; The other is that the...
In addition to meeting the process requirements such as the accuracy of the lower core of the sand core, the excellent (aesthetic) design of the important tooling such as the lower core fixture of the cylinder block sand casting should also keep pace with the times with the modern...
The structural forms of the lower core clamp of sand casting cylinder block are various in production practice, but according to the different balance structures, it can be summarized into two types: single-layer structure and multi-layer structure; And according to the different clamping power, it can be divided into:...
The complex thin-walled iron castings of vehicle engine cylinder block are usually mass produced on the sand casting line. In the process of sand casting, its important tooling – lower core fixture: on the one hand, it plays a role in ensuring the dimensional accuracy of many sand core...
6BT cylinder block is a typical dry cylinder liner cylinder block. Compared with similar vehicle engine cylinder blocks commonly seen in China, 6BT cylinder block also has a water pump volute structure and a rare casting through hole of cooling water channel between cylinder heads in six cylinder block....
Because the cold core box is made by blowing resin sand, in the specific production, in order to make the edges and corners of the sand core clear enough, it is necessary to make the sand core have good compactness, and the gas discharge speed in the core box...