BTC Co., Ltd.

Auto Measuring System


  • ENGINE PART
    • Connecting Rod
    • Cylinder Block
    • Piston & Piston pin
  • MISSION PART
    • T/M Shaft
    • T/M Case type, Gear type
    • Outer Race
  • DRIVING & BRAKING PART
    • Brake Disk & Drum
    • Hub Bearing
    • C/V Joint
    • Axle ass¡¯y
  • STEERING PART
    • Worm & Worm wheel
    • G/Box HSG
    • Quill ass¡¯y
    • Input & Pinion shaft
  • OTHERS PART
    • Compressor Parts
    • Turbo-charger Parts
    • Bearings Parts
    • etc¡¦

  • A. 100% inspection system of major car parts at final process
  • B. Storage and classification of measured data, SPC system management
  • C. Measuring system establishment optimized to production process and item



A. Inner diameter measuring system of BJ outer race

  1. Items to be inspected
    • PCD (©ª66.10 0/+0.07)
    • Inner diameter (©ª73.78 0/+0.03)
    • The deepest point of track (52.145¡¾0.02)
    • Track diameter, the deepest point of inner race


Installed at KOREA FLANGE Co., Inc.


B. Piston ring-home measuring system

  1. Items to be inspected
    • Inclination of top & 2nd & 3rd Ring-home of piston
    • Roundness (ovality) of piston


Installed at DONG YANG PISTON Co., Ltd


C. Column comprehensive inspection system

  1. Items to be inspected
    • Model : EM ONIX comprehensive inspection
    • Tilting test, lever clamping force & motion test, current carrying test
    • Automatic barcode reading system


Installed at Namyang Industry Co., Ltd.


D. HPS inspection system

  1. Items to be inspected
    • Screw test, screw thread test, lever clamping force & motion test, current carrying test
    • Jig is replaced item by item


Installed at Namyang Industry Co., Ltd.


E. Break sorter for steering U-JOINT SHAFT

  1. Installed at Namyang Industry Co., Ltd.
    • It measures the broken space between the fixed tube and the rotating shaft
    • Jig is replaced item by item


Installed at Namyang Industry Co., Ltd.


F. Automatic marking system for BJ outer race

  1. Items to be inspected
    • Automatic marking system using exclusive marking controller
    • Year, month, date, day/night, serial no., etc. are automatically changed
    • If model is changed, position and angel are adjusted.


Installed at KOREA FLANGE Co., Inc.


G. Measuring & marking system for brake disc

  1. Items to be inspected
    • Runout (5 point), DTV (2 point), flatness (2 point), ORDER, FRF
  2. Inspection conditions
    • Automatic cleaning and rust-preventing are included
    • 100% inspection, inspection result is automatically marked (Dot & Laser)
  3. Precision
    • Sensor precision 0.2 um, runout tolerance 2 um, DTV tolerance 1 um


Installed at Namyang Industry Co., Ltd. and Delphi Korea


H. Measuring & marking system for steering shaft

  1. Items to be measured
    • Tensile strength & compressive strength
    • It measures torsion between tube and shaft
    • Torque test by using road cell
    • Automatic marking of lot no. & serial no


Installed at Namyang Industry Co., Ltd.


I. Piston grade sorter

  1. Items to be inspected
    • Outer diameter, pinhole, weight, ultrasound
    • Grade is automatically marked
  2. Inspection conditions
    • Automatic cleaning, 100% inspection, inspection result is automatically marked (Dot & Laser)
  3. Precision
    • Repetitive error (1 um)


Installed at DONG YANG PISTON Co., Ltd


J. Piston pin inspection system

  1. Items to be inspected
    • Outer diameter (4 point), full length (1 point), laser marking
  2. Precision
    • Sensor precision (0.2 um), repetitive error (1 um)


Installed at DONG YANG PISTON Co., Ltd. and Sung Il M-Tech


K. Gen-5 shaft measuring system

  1. Items to be inspected
    • Outer diameter, inner diameter, point to be processed, amount to be processed and crack
  2. Inspection conditions
    • Ultrasonic automatic cleaning & 100% inspection, sorting defected items by type
  3. Precision
    • Sensor precision (0.2 um), repetitive error (2 um)


Installed at Seoul Industry Co., Ltd.


L. Magna shaft inspection system

  1. Items to be inspected
    • Outer diameter (4 point), inner diameter (1 point), screw, if processed or not
  2. Precision
    • Sensor precision (0.2 um), repetitive error (2 um)
  3. Inspection conditions
    • Ultrasonic automatic cleaning & 100% inspection, sorting defected items by type


Installed at Seoul Industry Co., Ltd.


M. Automatic BAR measuring system




N. GEAR measuring system




O. LASER measuring system




P. MANUAL PISTON GRADE sorter




Q. QUILL SHAFT WASHING MACHINE