3878983

Information

• Patent Grant
• 3878983

• References
• Source

• Patent Number

  3,878,983

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1975
  49 years ago

• CPC

  • G05B19/414 - Structure of the control system
  • G05B19/40931 - concerning programming of geometry
  • G05B19/42 - Recording and play-back systems, i.e. in which the programme is recorded from a cycle of operations
  • G05B2219/33098 - Several nc machines, dnc, cnc
  • G05B2219/34185 - Following line+circle
  • G05B2219/35436 - Means, manual input, input reference, hand wheel
  • G05B2219/35481 - Display, panel
  • G05B2219/35554 - Mirror, other conversions
  • G05B2219/36043 - Correction or modification of program
  • G05B2219/41326 - Step motor
  • G05B2219/41363 - Excess in error, error too large, follow up error
  • G05B2219/42186 - Master slave, motion proportional to axis
  • G05B2219/43048 - Step change in reference, soft start , smoothing reference
  • G05B2219/43058 - Limitation of acceleration, permissible, tolerable acceleration
  • G05B2219/49047 - Remove chips by tool up down movement, pecking
  • G05B2219/49395 - Repeating same operations for other coordinates
  • Y02P90/06 - characterised by direct numerical control [DNC]
  • Y02P90/265 - Product design therefor

• US Classifications

  • 700 - Data processing: generic control systems or specific applications
  • 318 - Electricity: motive power systems