How to shorten the processing cycle and improve production efficiency with the improvement of the manufacturing process level of chilled cast iron camshaft blank?
Publish Time: 2025-04-03
The improvement of the manufacturing process level of chilled cast iron camshaft blank has achieved remarkable results in shortening the processing cycle and improving production efficiency, and has brought many positive effects to the automobile engine manufacturing industry.
In the casting process, advanced casting technology and mold design have greatly improved the quality of the blank. By optimizing the placement, shape and thickness of the chill iron, the internal structure of the camshaft can be accurately controlled, so that the cam and shaft diameter are basically cast and formed, greatly reducing the subsequent processing allowance. In the past, the integral round steel camshaft blank required a lot of cutting, but now the processing volume of chilled cast iron camshaft blank has been greatly reduced, which directly shortens the processing time. In addition, the advanced casting process can also directly cast the main oil channel hole in the center of the blank, eliminating the additional drilling process and further improving production efficiency.
The upgrading of processing equipment is also a key factor. In the past, the processing of camshaft cams mainly relied on copying grinders, with limited processing accuracy and efficiency. Nowadays, CNC follow-up grinders have replaced traditional equipment. They have automatic speed change functions, which can ensure that the grinding force and grinding amount at each point on the cam profile are consistent. This allows the cam profile error to be controlled within the range of 0.007mm, which not only improves the processing accuracy, but also greatly improves production efficiency. At the same time, the CNC follow-up grinder has a high degree of automation, reduces manual intervention, reduces the impact of human factors on processing quality, and further shortens the processing cycle.
The improvement of manufacturing technology is also reflected in the optimization of production processes. By reasonably arranging each process, the handling and waiting time of the workpiece between different processes can be reduced. For example, when roughing the spindle neck, the outer circle of the spindle neck supported by the center frame is rough-machined first, and then the remaining parts are clamped and processed, and then the groove is processed. In the process of rough machining of the cam, a tracking self-centering center frame is used to reduce the bending deformation of the workpiece due to force, avoid subsequent rework and correction, and thus improve production efficiency.
In addition, advanced manufacturing processes also focus on quality control. Through strict chemical composition control, sand performance management, and process temperature control, the stability of the blank quality is ensured. This reduces the probability of scrapping products in the subsequent processing, reduces downtime and rework time caused by quality problems, further improves production efficiency, and shortens the processing cycle.
The improvement of the manufacturing process level of chilled cast iron camshaft blank has effectively shortened the processing cycle and improved production efficiency from multiple aspects such as casting, processing equipment, production process and quality control, providing strong support for the high-quality development of the automobile engine manufacturing industry.
