Guangdong JSWAY CNC Machine Tool Co., Ltd. since 2004.
Numerical control lathe spindle equipment structure
CNC lathe spindle ladder is a hollow shaft. Spindle hole for by long rods and unloaded at the top through the steel bar, also can be used by the organization of pneumatic, electric and hydraulic clamping device. Spindle front cone hole for the metric 90 mm, for device before the top cover and top. Sometimes can also be equipment spindle, the friction of the direct drive spindle using cone cooperation and workpiece rolling. Spindle backend cone hole hole for process. Numerical control lathe spindle equipment on the three bearing. Three of the top bearing roller bearing, front is 3182124 k of c-class precision type double row cylindrical roller bearings, to accept the radial force. This kind of bearing has good rigidity, high precision, small scale and large carrying capacity, strength: after bearing to choose a pair of 7020 acta/P5DBB models of centripetal thrust bearing. Spindle bearing for numerical control lathe spindle has great influence on the working accuracy and stiffness, numerical control lathe spindle bearings (should be no gap Or a small amount of interference) Under the conditions of work, directly affect the machining accuracy of machine tool, so the spindle bearing gap must be regularly adjusted. Front bearing gap adjustment method is as follows: first, loosen lock screw on the front end adjusting nut, then tighten the adjusting nut, because of the bearing inner ring is very thin, and also is the same as the main shaft cone hole, with a share of the taper, thus, the inner ring radial elastic swell in axial moving at the same time, to adjust bearing radial clearance or preload, after making the proper adjustment, tighten lock screw to adjusting nut. Numerical control lathe spindle radial runout affect appearance of roundness and concentricity; The axial runout effect the precision of processing face flatness and pitch. General situation, when the main shaft of beating the amount exceeds allowable values, just right before the adjustment bearing, the gap can make main shaft runout quantifiers within the whole to the allowable values; If the radial runout is still can not meet the requirements, should be adjusted after the bearings. Numerical control lathe spindle bearing before and after the smooth, is made up of smooth oil pump oil, smooth oil through the oil hole on the bearing full of smooth, and take away the heat attack by the bearing work. In order to prevent oil shortage, choose in bearing place before and after the oil groove seal, namely after the front nut and bearing sleeve outer appearance has a circular groove of the section, the sawtooth CNC lathe spindle rotates, because the effect of centrifugal force, the oil is along the inclined plane ( In the direction) Be left to the flange of oil tank, oil through the oil return orifice flow to the bottom, and then flow back to the oil pool in the left leg.
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Methods to Reduce the Impact of Force-Induced Deformation
To minimize the impact of force-induced deformation on the stability of Swiss-type lathes and enhance machining accuracy and stability, the following measures can be taken:
JSWAY Company’s Professional Team Performance
As one of the exhibitors, JSWAY Company showcased the excellence of its professional team at this Jakarta Industrial Week. The team members of JSWAY Company, with their enthusiasm and professional knowledge, actively engaged in exchanges with customers from all over the world, providing them with detailed product introductions and technical support. They not only demonstrated JSWAY Company's advanced technology and high-quality products in the fields of CNC machines, milling and turning centers, and Swiss-type lathes, but also left a deep impression on customers with their enthusiastic service.
The booth of JSWAY Company attracted the attention of many professional visitors. Through professional explanations and demonstrations, the team members successfully conveyed to customers JSWAY Company's technological advantages and innovation capabilities in the field of CNC machines. Their positive performance not only enhanced JSWAY Company's brand image but also laid a solid foundation for the company's further expansion in the Southeast Asian market.
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.
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.