Precise 12" Table Low Profile Horizontal & Vertical Precision Rotary Table - 3903-2312

• High precision bearing surfaces insure ultra-smooth rotation. 
• Superior grade meehanite castings provide the ultimate rigidity. 
• All rotary tables are precision ground to meet the most extracting requirements and are individually supplied with a certificate of inspection.
• The engraved graduations are both crisp and clear to eliminate erroneous readings.
• T-slots are machined within acceptable tolerances.
• Worm gear is is easily disengaged for free rotation. ~ 90:1 gear ratio.
• Long life and continued accuracy is assured by a convenient adjustment to compensate for wear.
• All rotary table parts are strategically positioned for easy access.
• The one piece worm and shaft are hobbed from a solid alloy steel.
• Extra deep coolant channel.
• 10 second vernier reading.
• Dual positive action locks.
• Graduated 360 degrees.
• Gear drive is immersed in oil.

Specifications - Variation Max.

• CLAMPING SURFACE FLATNESS: 0.0006"
• CYLINDER CENTER BORE TIR: 0.0008"
• TAPER CENTER BORE TIR: 0.0008"
• SURFACE TO BASE PARALLELISM: 0.0008"
• SURFACE TO ANGLE FACE SQUARENESS: 0.0004"
• SURFACE TO CENTER SLOT SQUARENESS: 0.0008"

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