Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Control system for synchronized operation of machine tool motors










Image Number 3 for United States Patent #4353018.

An improved control system for facilitating tapping work in a machining center of the type which performs a variety of machining operations automatically. Control is effected by establishing and maintaining a certain relationship between the operation of a spindle motor which rotates a tap, and the operation of a Z-axis feed motor which transports a table longitudinally of the tap, the table mounting a workpiece. Specifically, the spindle motor and Z-axis feed motor are driven in relation to one another at all times in such a manner that the equation N.sub.s =f.sub.m /P will be satisfied, where N.sub.s (rpm) is the rotational speed of the spindle motor, f.sub.m is the feed speed of the table along the Z-axis, and P is the thread pitch of the tap. Apparatus for controlling the spindle motor includes a control circuit which is adapted to stop the spindle at a prescribed angle of rotation.








 
 
  Recently Added Patents
Method and system for providing status of a machine
Secure data exchange between data processing systems
Method for increasing expression of active tumor necrosis factor receptor family member-Ig fusion proteins
Tiger paw stationary tab
Powerline communication receiver
Method for assembling a camera module, and camera module
Nucleic acid sequences encoding secE/sec61-gamma subunits of protein translocation complexes
  Randomly Featured Patents
Method and making group IIB metal - telluride films and solar cells
Bicycle tire
Wafer edge exposure module
Waveguide fed spiral antenna
System and method for enabling bulk retrieval of certificates
Fuel injection valve and adjustable gas sleeve forming an annular metering gas gap
Dispenser for fabricating liquid crystal display panel and method for controlling gap between nozzle and substrate by using the same
Display mount
Front face of a vehicle wheel
Digital VSB detector with bandpass phase tracker, as for inclusion in an HDTV receiver.