Product details
◆ This machine belongs to the field of surface finishing, which is used to improve the surface roughness of the workpiece, and its shape accuracy is guaranteed by the previous milling process.
◆ It belongs to flexible grinding. Because of the control of servo pressure shaft, the contact wheel and moving belt constantly adjust the grinding force to make it constant, which is also called constant force grinding.
◆ "6 + 1" axis control technology: 6 axes (XYZ, ABC) linkage + 1 servo pressure axis.
◆ Typical machined part: turbine blade, see the figure below.
At present, the vast majority of blade polishing adopts manual polishing, which has high labor intensity and difficult to ensure the quality. With the increasing size of the workpiece, the labor is not competent. The domestic key blade manufacturers purchase imported equipment for processing, which is expensive and costly; Technology is complex, especially the programming requirements are high, foreign technical services are often not guaranteed. Therefore, the cost-effective advantage is silent and can completely replace imports.
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project
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Parameters
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workbench
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Size (width) × Length, mm
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460×2870
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Maximum load, kg
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300
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Structural parameters
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Head frame tailstock center height, mm
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260
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Distance from contact wheel center to worktable, mm
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0～660
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Taper number of a-axis taper hole
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莫氏4#
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Taper number of b-axis taper hole
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莫氏3#
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Taper no. of c-axis taper hole
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莫氏3#
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Range of machining blades
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Maximum length, mm
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1850
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Maximum width, mm
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500
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Maximum weight, kg
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150
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Travel of motion axis
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X direction (left and right), mm
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1920
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Y direction (front and back), mm
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500
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Z direction (up and down), mm
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400
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Axis a rotation, °
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360
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B-axis swing, °
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±45
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C-axis swing, °
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±80
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Grinding head
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Belt length, mm
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3500
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Belt width, mm
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10～50
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Maximum linear velocity of belt, M / S
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30
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Contact wheel diameter, mm
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Ф40～300
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Width of contact wheel, mm
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10～50
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Motor power of grinding head, kw
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3
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Accuracy of axis of motion
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Positioning accuracy of linear motion axis (x / Y / z), mm
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0.042/0.025/0.022
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Repeat positioning accuracy of linear motion axis (x / Y / z), mm
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0.020/0.015/0.012
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Positioning accuracy of rotary motion axis (A / B / C), ″
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28/28/28
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Repeat positioning accuracy of rotary axis (A / B / C), ″
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16/16/16
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Velocity of motion axis
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