The name POLAR is synonymous with cutting machines throughout the world. As a market leader and technological forerunner, POLAR continually sets new standards when it comes to innovative and reliable solutions. In addition to cutting machines and high-speed cutters, the product portfolio also includes three-side trimmers,pile turners and components for individual cutting systems. POLAR also offers highly productive systems for square-cut and die-cut label production.
For replacement parts not offered on the website, please contact support@omtechlaser.com with a photo of the serial plate on your laser, and a photo of the part itself along with a description. Please make sure to include your original order number and your current shipping information.
polar cutting machine serial number
For warranty parts, please contact support@omtechlaser.com with a photo of the serial plate on your laser, and a photo of the part itself, along with a description. Please provide video evidence of any malfunctions via your preferred file sharing site, such as: Onedrive, DropBox, or Google Drive. Please make sure to include your original order number and your current shipping information.
Figure 2 presents a schematic representation of the measurement and compensation system. Note that although the measuring system and cutting system are given in the same schematic diagram, they are not simultaneously implemented. Figure 3 illustrates a photograph of the diamond turning machine and the experimental setup exploited for the measurement. For ultra-precision machining, the magnitudes of the WRE and SREM are of the same order. According to the error separating principle, an in situ roundness measuring system by the 3-sensor approach is built up.
In order to achieve the required 0.1 μm out-of-roundness on the workpiece surface, a compensation process of the error motions based on the measurement results is necessary. Following the data process above, the compensation data are generated. The movement of the X-slide and the rotation of the spindle are synchronized to perform the STS technique. After the cutting process, the WRE is measured again. Figure 16 illustrates the roundness error polar diagram and spectrum of the measured section after the first compensation. The predicted WRE by the LCC approach is 109.06 nm, and by the MCC method is 101.37 nm. The plotted results in Figure 16 reveal that the low-order components of the error are substantially decreased after compensation, and the roundness error is reduced by about 50%, which shows the feasibility of compensating for the radial motion of the spindle.
Although the roundness error after the first compensation is obviously reduced, it is not entirely eliminated. One possibility that could cause error residuals is that it is not rigid from the motor drive point to the tool holder, and there is a certain delay. In order to further enhance the roundness, the workpiece is processed with error compensation again, and the compensation tool path is superimposed with the previous one. The polar coordinate diagram of the section contour error after error compensation has been illustrated in Figure 17. The WRE is 80.11 nm, as evaluated by the LCC method, and 70.98 nm by the MZC method. The demonstrated results in Figure 17 display that the low-order components of the error are remarkably reduced after compensation, but the total roundness error is reduced to less than 40% compared to the case of no compensation. In Figure 17, in addition to the 2-cycle error at a low frequency, the 12-cycle error is also very obvious, which corresponds to the number of pole pairs of the spindle motor. Obviously, the magnetic pull of the motor affects the machining and measuring process.
A 2D finite element model of dry milling process is developed to determine the temperature distribution and temperature history of workpiece. The flow stress of workpiece is taken as a function of strain, strain rate and temperature in order to reflect realistic behavior in machining process. Temperature-dependent material properties are also employed in the analysis. From the simulation, a lot of information on dry milling process can be obtained; cutting force, cutting temperature, chip shape, temperature distribution, etc. The temperature history of the machined layer can be reported by conducting a point tracking. The predicted temperature profile at conventional cutting speeds and high speed machining are obtained. The finite element model appears to be perfectly representative of dry milling process and can be used to predict instantaneous temperature profile and temperature history into the depth of the workpiece. 2ff7e9595c
Comments