Guangdong JSWAY CNC Machine Tool Co., Ltd. since 2004.
Introduction to the development of CNC numerical control technology
2020-09-26
JSWAY
49
Since the 21st century, with the continuous development of CNC numerical control technology and application field expands, it to the national economy and people's livelihood some important industry ( IT, automobile, light industry, medical, etc. ) Is playing a more and more important role in the development, because the digital equipment needed for the industry has been the trend of modern development. Overall, the development trend of CNC numerical control lathe factory present:
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high speed, melt high-accuracily< br / >
high speed and precision is the eternal goal of machine tool development. With the development of science and technology by leaps and bounds, mechanical and electronic products renewal speed, precision and surface quality of parts processing will become more and more demanding. To meet the needs of the complicated and changeful market, the current machine is high speed cutting, dry cutting and dry cutting direction, the machining accuracy is also in constant increase. Motorized spindle and, on the other hand, the successful application of linear motor, inside the hollow ceramic ball bearings, high precision large lead and ball nut cold cold high speed ball screw pair and linear guide rail pair with ball bearing retainer features such as machine tool market, also create conditions for development towards high-speed, precision machine tool.< br / >
CNC lathe using motorized spindle, cancelled the belt and pulley and gear, greatly reduce the moment of inertia of the main drive, improved the precision of the spindle dynamic response speed and working, completely solve the spindle high-speed operation of the belt and pulley drive when the vibration and noise problem. The motorized spindle structure can make the spindle speed reaches more than 10000 r/min.< br / >
high speed driven by linear motor, deceleration features, has excellent response characteristics and accuracy. Using linear motor as servo driver, get rid of the ball screw this intermediate transmission link, eliminates the transmission clearance ( Including the reverse clearance) Good rigidity, small motion inertia, system, under the high speed precision positioning, so as to greatly improve the servo accuracy.< br / >
linear rolling guide vice, since it has a very small gap to zero and the rolling friction, less wear, fever can be ignored, have very good thermal stability, improve the positioning precision of the whole and repeat positioning accuracy. Through the application of linear motor and linear rolling guide vice, can make the fast moving speed of machine tool by 10 to 20 m/mim raised to 60 ~ 80 m/min, the highest of 120 m/min.< br / >
The increasing consumption demand in key segments such as multi axis cnc machine, mill axis and multi axis cnc machine have been driving the sales of and its derivatives worldwide.
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Compare manual mills and CNC machine advantages, costs, precision, and applications to choose the right technology for prototyping, job shops, or production.
Improving Precision and Service Life through Fixture Adjustment and Maintenance
Fixture Adjustment Methods:
Fixture Maintenance Methods:
By properly adjusting and regularly maintaining fixtures, the machining accuracy and service life of Swiss-type lathes can be effectively improved, ensuring efficient and stable production processes.
The stress in a machine tool bed can influence machining quality in several ways:
Machining Accuracy
Deformation and Displacement: Stress in the bed can cause structural deformation, which in turn affects the positional accuracy of various machine components. For example, insufficient rigidity at the tailstock support of the bed may lead to positional deviations of the tailstock center, with maximum displacement deformation reaching up to 0.13465 mm. Such deformation directly impacts the relative positioning between the tool and the workpiece, resulting in machining errors.
In summary, the multi-process integration of Swiss-type lathes, achieved through advanced CNC systems, multi-axis linkage, power tools, and automation features, offers significant benefits in terms of precision, efficiency, and versatility. This integrated approach not only enhances production efficiency but also reduces costs, making Swiss-type lathes an ideal choice for modern manufacturing needs.
Differences in Machining Effects with Different Power Head Configurations
Single Spindle vs. Dual Spindle: Single-spindle Swiss-type lathes usually come with one side power head and are suitable for machining relatively simple parts. In contrast, dual-spindle lathes can be equipped with more power heads and can even perform simultaneous machining on the main and secondary spindles, significantly improving machining efficiency and complexity.
Side Tool Post vs. Horizontal Tool Post: Power heads with a side tool post structure perform better when machining difficult-to-chip materials, while those with a horizontal tool post structure are more efficient for machining easy-to-cut materials.
In summary, the power heads of Swiss-type lathes offer significant advantages in machining accuracy, efficiency, complexity, and adaptability. Different power head configurations can be selected based on specific machining requirements to achieve the best machining results.
Pitch compensation is an important means of precision improvement in CNC machines. By compensating for the pitch errors of the lead screw, it can significantly enhance the positioning accuracy and machining accuracy of the machine tool. The following is a detailed description of the methods, steps, and application cases of pitch compensation:
By implementing the above key points, Swiss-type lathes can achieve high-precision, high-efficiency linear positioning, meeting the machining demands of high-precision fields such as aerospace, automotive manufacturing, and medical devices.
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