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Products > Rotary Tables > Rotary Tables      

Rotary Table, 4" Precision, Digital Readout

          
Rotary Table, 4" Precision, Digital Readout
Part Number: 2420
Weight: 18.8 lb

Price: $355.18

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Related Products

Tailstock and Dividing Plate Set
Tailstock and Dividing Plate Set

Mounting Hardware
Mounting Hardware

Other Rotary Tables
Other Rotary Tables

  • 4" (100 mm) diameter
  • Use in horizontal or vertical position
  • Worm ratio is 72 to 1
  • Digital angular readout with 1 minute (0.017 degree) resolution digital angular readout
  • 2 Morse taper center hole

Description

This horizontal / vertical rotary table is made of precision machined cast iron and has a 2 Morse taper center hole. The table is graduated with a 360 degree scale. The rotary table is furnished with lock down clamps.

The digital readout displays degrees and minutes or decimal degrees.

This rotary table comes with an adapter to mount a 3" lathe chuck. It works with both 3- and 4-jaw chucks.

The table is 2.87" high when horizontal, and the centerline is 2.68" above the table when in the vertical position. The body of the table is 5" (crank handle to back) by 5.5" (mounting slot to mounting slot).

The worm ratio is 72 to 1.

Flatness of clamping surface: 0.0008".

Parallelism of clamping surface to base: 0.0008".

Squareness of clamping surface to angle face: 0.0012".

Squareness of clamping surface to center slot: 0.0012".

Concentricity of center bore: 0.0008" TIP.

Chris' Tips

Chris Chris' Tips
The precision rotary table works with this tail stock, this dividing plate set and this clamping kit.

We provide rotary table instructions and dividing plate instructions.

Here is some more information about using a rotary table written by one of our customers.

See the comparison of the specifications for the 4" rotary tables we carry.

Here's a little spreadsheet that makes using the DRO easy.

  A B Formulas
in Col B
1 Divisions 7 7
2 Degrees 51.429 =360/B1
3      
4 Step 1 0.000 0
5 Step 2 51.429 =B4+$B$2
6 Step 3 102.857 =B5+$B$2
7 Step 4 154.286 =B6+$B$2
8 Step 5 205.714 =B7+$B$2
9 Step 6 257.143 =B8+$B$2
10 Step 7 308.571 =B9+$B$2
Replicate the last row for more divisions.

Specifications

Specifications
Ratio 72:1
Table Diameter 3.9" (100 mm)
Height (Mounted Horizontal) 2.9" (73 mm)
Body Length 5.5" (140 mm)
Body Width 5.0" (126 mm)
Center Hole Taper 2 Morse Taper
Center Height (Mounted Vertically) 2.68" (68.0 mm)
T-Slot Width 0.31" (8.0 mm)
Minimum Vernier Reading 1'
Flatness of Table Surface (Concave) 0.0008" (0.020 mm)
Parallelism of Table Surface to Base 0.0008" (0.020 mm)
Squareness of Table Surface to Base 0.0012" (0.030 mm)
Runout of Table Surface 0.0006" (0.015 mm)
Runout of Center Taper 0.0008" (0.020 mm)
Squareness of Table Surface to Angle Face Slot 0.0012" (0.030 mm)
Center Hole Parallel with the Angle Face 0.0008" (0.020 mm)
Maximum Spacing Error 70"

Photos

Adapter plate for 4 inch Precision DRO Rotary Table Adapter plate.
Mounting hardware for 4 inch Precision DRO Rotary Table Mounting hardware.

Compatibility

Compatibility

This product works with these LittleMachineShop.com products:

This product works with the following mills:

  •   Taig 2018 Micro Mill
  •   Taig 2019 Micro Mill
  •   Taig 5019 Micro Mill
  •   Prazi BF400 Mill
  •   Prazi BF450 Mill

 

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