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Dưỡng Đo Ba Dây Eisen TW

Mã sản phẩm: TW SERIES

Thương hiệu: EISEN

Xuất xứ: Nhật Bản

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EISEN THREE-WIRE GAUGES FOR MEASURING SCREWS

Code : TW-01, TW-02, TW-03, TW-04, TW-05, TW-06, TW-07, TW-08, TW-09, TW-10, TW-11, TW-12, TW-13, TW-14, TW-15, TW-16, TW-17, TW-18, TW-19, TW-20, TW-21, TW-22, TW-23, TW-24, TW25, TW-26, TW-27, TW-28, TW-29, TW-30, TW-31, TW-TS Brand : Eisen Eisen Three-wire Gauges for Measuring Screws TW-01, TW-02, TW-03, TW-04, TW-05, TW-06, TW-07, TW-08, TW-09, TW-10, TW-11, TW-12, TW-13, TW-14, TW-15, TW-16, TW-17, TW-18, TW-19, TW-20, TW-21, TW-22, TW-23, TW-24, TW25, TW-26, TW-27, TW-28, TW-29, TW-30, TW-31, TW-TS Specifications

Series

Tolerance

Roundness/Cylindricity

Size Variation

HRC HardnessHRC

TW

±2.0μm

0.5μm

0.5μm

58 HRC or greater

TWW

90.6 HRA

TWZ

89 HRA

·         (inspection results document) How to obtain effective diameterDưỡng Đo Ba Dây Eisen TW  

Set No. Wires Dia (mm) Kind, pitch or number of thread of applied screws
Metric Unify PPT
Pitch(mm) Number of Thread Number of Thread
TW - 01 TW - 02 TW - 03 0.1155 0.1443 0.1732 0.2 0.25 0.3 - - 80 - - -
TW - 04 TW - 05 TW - 06 0.2021 0.2309 0.2598 0.35 0.4 0.45 72 64 56 - - -
TW - 07 TW - 08 TW - 09 0.2887 0.3464 0.4330 0.5 0.6 0.75 48 44.40 - - - -
TW - 10 TW - 11 TW - 12 0.5196 0.5774 0.7217 - 1 1.25 28 24 20 28 - -
TW - 13 TW - 14 TW - 15 0.7954 0.8949 1.0227 - 1.5 1.75 18 16 14 - - 14
TW - 16 TW - 17 TW - 18 1.1547 1.1932 1.3016 2 - - 13 12 11 - - 11
TW - 19 TW - 20 TW - 21 1.4434 1.5908 1.7897 2.5 - 3 10 9 8 - - -
TW - 22 TW - 23 TW - 24 2.0454 2.3863 2.5981 3.5 4 4.5 7 6 - - - -
TW - 25 TW - 26 TW - 27 2.8868 3.1817 3.5794 5 5.5 - 5 41/2 4 - - -
TW - 28 TW - 29 TW - 30 0.4041 0.4619 0.7536 0.7 0.8 - 36 32 - - 19
TW - 31 3.4641 6 - -
  • Affix the nameplate of the three-wire gauge to a stand so that the wires hang down. Clamp the screw to be measured in a microstand and bring it into contact with the gauge.
  • Place the three pingauge wires a long the grooves of the screw.
  • Move the middle pingauge wire to the opposite side of the screw
  • Measure with a micrometer and substitute the measured value into the calculation formula to obtain the effective diameter of thegscrewh.

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