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    Current Position:Home > Correct the imbalance

    Correct the imbalance

    Release Date:2016-11-16

    The main reason for the unbalance of the handle is that the tool body is defective, the tool design is not symmetrical, and the tool is adjusted. In fact, every time you adjust the tool, no matter how small the adjustment, you have to do a balance before use.

    Correctly balanced tools significantly reduce noise and vibration, resulting in increased tool life and better part accuracy consistency. Centrifugal force is proportional to the speed of the relationship between the magnification imbalance caused by vibration. The resulting increase in vibration minimizes bearing, bearing, shaft, spindle and gear life. In addition, if you do not balance the tool, will take the spindle manufacturer warranty risk of obsolescence. Many warranties specifically state that quality assurance is only valid if there is sufficient evidence that the correct tool is used on the machine. In this respect, tool balancing can cause significant savings.

    Before balancing the tool, you need to measure the amount of unbalance and the angular position of each selected calibration plane. These variables are measured on two universal types of balancing machines: non-rotating or gravimetric machines for measuring single-plane (stationary) unbalance while rotary or centrifugal machines are used to measure a single plane and / or two planes (dynamic) balance.

    After measuring the magnitude and angle of the unbalance in the correct plane, you can make corrections by adding material or removing material from the workpiece. For components other than the tool, the most widely used material addition method is to solder the weight on the component. Other means for slight unbalance components are to add solder to the assembly body or add weight to the pre-drilled hole.

    For tools, the easiest and most effective way to determine the correct imbalance when determining the material must be removed is drilling. This is a fast adjustment, and the material removal can be precisely controlled. Another option is milling, which is most effective when balancing thin-walled tools or forcing where shallow cutting is required.

    Theoretically, the perfect balance can be obtained when balancing the tool. In practical applications, because of cost considerations and tool constraints, the perfect balance is only very lucky to achieve. Therefore, the accuracy level must be set to allow a certain amount of residual imbalance to control the deleterious effects at an acceptable level. The accuracy given in ISO 1940 usually yields satisfactory results, but it is important to make sure that the standard you are implementing is appropriate for the tool to be balanced. For example, the machine will obviously use different values than the rigid load propeller.

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