649-1 Starrett Spindle Square .250* Range
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649-1 Starrett Spindle Square .250* Range

Code: 649-1

$245.32

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Product Description

•••••

649-1
Starrett Spindle Square

The Starrett 649 Series Spindle Square offers accuracy, convenience
and significant time saving with the common shop task of tramming
the head of a vertical milling machine. This must be done regularly to
ensure squarness and perpendicularity between the spindle and work
surface.
The spindle square is easier to use and more precise than the
traditional method of tramming with a dial test indicator.


Using the Spindle Square


After setting the spindle square indicators to “0” on a surface plate,
place the Spindle Square into the collet of the milling machine and
bring the head down to the table until both indicator needles have
rotated approximately one full rotation.
The needles do not need to point in the same direction. Identical
numerical readings, not the needle positions, indicate squareness.
To tram the milling machine, adjust the machine per normal
procedures until both indicators read the same numerical value. After
setting the X-axis, repeat the same procedure with the Y-axis.


Features & Specifications

  • Fully assembled with two AGD Group 2 dial indicators
  • Patented design
  • Solid steel body construction with durable black wrinkle finish
  • Ground gaging surface
  • Approximately 4 lbs with custom case
  • 3/8" inch shank diameter
  • 4" (100mm) between contact points •
  • Approximately 6-3/4" (172mm) wide and 5-1/2" (140mm) from
    the top of shank to the end of the contact points
649 Spindle Square
Catalog No.
Range
Graduation
Dial Reading
649-1
.250"
.001"
0-50-0
649-5
.125"
.0005"
0-25-0
649-1M
2.5mm
0.01mm
0-50-0

 

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