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      POSITION:首頁 > Machine tool products > NC Boring > 正文
      ETK2708 NC Boring Machine for Non-circular Steel Piston Pinhole
      Views:3,198 Date:2021-09-08?

      Function introduction:

      This machine tool is mainly used for finishing and semi-finishing non-circular pinholes for forged steel pistons(tapered holes, curved holes,?hyperbolic?holes). Equipped with?double spindles arranged?left and right?, the one is for fine boring (the left spindle), the other is for semi-fine boring (the right spindle).

      The fine boring spindle is the static-dynamic pressure spindle and equipped with precision micro-displacement servo boring device(a patented product of EPOCH NC), which completes non-circular piston pinholes (tapered holes, curved holes) surface machining under the condition of high-speed rotation of the spindle. The size of the pinhole can be fine-tuned?by program, and the non-circular pinhole size and length?can be adjusted by program.

      SIEMENS 828D system?is adopted, for which the programming is flexible and convenient, and the reliability is high.

       

       

       

      Main technical parameters:

      S/N

      Item

      Unit

      ETK2708A

      1

      Outer diameter range of machined piston

      mm

      Φ80?~ Φ200

      2

      Pinhole diameter?range of the machined piston

      mm

      Φ30?~Φ80

      3

      Fine boring spindle

      Static-dynamic Pressure Spindle

      4

      Semi-fine boring spindle

      Bearing Spindle: A2-6

      5

      Fine boring Spindle Accuracy

      mm

      0.002

      6

      Semi-fine boring?Spindle Accuracy

      mm

      0.003

      7

      Fine boring Spindle Speed

      (stepless speed regulation)

      rpm

      50~1500

      8

      Semi-fine boring?Spindle Speed

      (stepless speed regulation)

      rpm

      50~1500

      9

      Maximum effective offset of the fine boring edge

      mm

      0.06

      10

      Processing roughness

      μm

      Ra0.63

      11

      Fine-boring straight hole roundness

      mm

      0.002

      12

      Fine-boring monoliteral pinhole straight-line cylindricity

      mm

      0.004

      13

      Machine?(L×W×H)

      mm

      2900×1700×2450

      14

      Net weight of the machine

      kg

      5500

      15

      Overall power?of the machine

      kW

      25

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      Contact us
      Service hotline
      0731-84021538
      Address: No. 9, Tianhua South Road, Changsha Economic and Technical Development Zone,Changsha,China
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