Lancer® Series Micro-matic
Stud Driver


TTSL Spring Loaded Spindle Adaptor
 
1. Absorbs excess spindle travel while maintaining axial pressure between spindle and drive tool.

2. Allows axial float without sacrificing concentricity.

3. Adapts easily to all types of spindles.

Note:
1. At no time during the drive cycle should the TTSL spring be completely compressed.

2. The TTSL spring should not be used to continue the advancement of the stud drivers after the spindle drive mechanism has been halted.


SPINDLE ADVANCEMENT FORMULA

For proper Spindle Feed & RPM, use this helpful formula:
 


Lancer-1 shown with TTSL-1

Metric Threads

 


American Standard Unified Threads


 


Multiple and/or Automatic Stud Driving
 
     In all stud driving applications it is necessary to coordinate the axial advancement of the spindle with the RPM and the thread pitch of the stud.  If the advancement is too rapid, excessive pressure will accelerate the wear on the stud driver.  If the advancement is too slow, the jaws will open and close repeatedly causing damage to the stud and decreasing the accuracy of the projection height.
     When a stud driver is used manually the operator will quickly learn to apply the necessary pressure to get the stud driver to operate properly.  But when the stud drivers are used on automatic or multiple spindle applications it becomes necessary to add a TTSL between the stud drivers and the spindle to obtain the same result.
     When the TTSL is installed you simply allow the spindle to advance 10% faster than the stud is capable of screwing into the workpiece.  The extra 10% will be absorbed by the TTSL and the spring pressure of the TTSL will assure that the stud driver remains loaded onto the stud.  This greatly reduces the time needed to successfully setup and fine tune the machinery, and it significantly reduces the risk of tool failure or breakage.
 
 

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Revised: 11/17/03