CNC Ready Rotary Table with Reverse Motor Mount

Frequently Bought Together

3.1" 3-Jaw Chuck

Includes 2 tommy bars, not pictured

Product Description

About the Sherline CNC-Ready 4″ Reverse Rotary Table

Sherline has taken its manual 4″ rotary table with reverse mount and applied a stepper motor mount with dampened coupling in place of the handwheel. The mount accepts a NEMA #23 frame size stepper motor for CNC control. This allows the table to be used as a 4th axis with CNC systems that have the capability to drive a rotary axis.

The reverse rotary table is perfect for using on the tilting angle table. The reverse mount allows access to the handwheel from the front of the machine (see photo below). If you used a standard rotary table in the previously described set-up the handwheel would be mounted facing the backside of the X-axis.

NOTE: When the worm housing is reversed to the opposite side, a clockwise rotation of the handwheel or stepper motor will result in a counter-clockwise rotation of the rotary table.

3700-op_setup_pic
3700-OP Rotary Table set up on a 3750 Tilting Angle Table (manual version is shown for reference). Click on image for a larger view.

Weight Limitations for Continuous Use

We are stating the following weight limits for our rotary tables for continual use.

  • Horizontal orientation—50 lbs.
  • Vertical orientation—30 lbs.
  • Vertical rotational torque—6 foot/lbs. (meaning it can lift a 6 lb. weight when suspended 12″ away from the center of the rotary table)

The rotary tables can hold more weight when they are not under a continuous load. Click on the Video tab above to see examples of different weights and uses for our rotary tables.

NOTE: CNC-ready machines cannot be operated manually until stepper motors are installed.

Included Parts:

  • 1 Hold Down Set
  • 1 37090 Chuck Adapter

If you would like to convert your current rotary table to the reverse set-up you can send it back to Sherline and we can make the change for a $104.25 charge (includes parts and labor). Just fill out the RMA Request form to received instructions on how to send items back to us.

NOTE: Because components of the table are ground as a set during production, the P/N 3700-OP rotary table cannot be upgraded to the P/N 3700-CNC-OP version later on. A new rotary table with stepper motor worm housing must be purchased.

For in-depth details about the Sherline CNC-Ready 4″ Rotary Table CLICK HERE.


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The improper use of machine tools and their accessories can result in serious injury. Before using this tool, thoroughly read the instructions and make sure you understand its proper and safe use.

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Always wear safety glasses when operating machine tools.

Download PDF 3700-CNC Ready Instructions

Instructions PDF Download

Download PDF 3700 Instructions

Instructions PDF Download

CNC Rotary Table in Action

10930 3/8″ Bearing
30561 10-32 T-nut
35580 Hold-down clamp
37090 Chuck adapter
37100 Rotary table base
37110 Rotary table top
37121 CNC rotary table worm housing (Not sold separately)
37131 CNC rotary table worm shaft (Not sold separately)
37122 CNC rotary table worm housing assembly
37123 CNC rotary table coupling
37124 CNC rotary table coupling adapter
37150 Oiler Plug
37160 Preload nut
37170 Lock pin
37200 10-32 x 3/8″ button head screw
37210 Hold-down tab
37220 6-32 x 1/4″ button head screw
40050 1-5/8″ handwheel assembly
40330 10-32 x 5/8″ SHCS
40420 Headstock bearing
40510 10-32 x 3/8″ SHCS
40520 10-32 x 3/16″ cup point set screw
40530 5-40 x 3/8″ SHCS
40540 5/16-18 x 3/4″ cone point set screw
40660 3/16″ I.D. washer
40670 10-32 x 1/2″ SHCS
50120 Pointer
67100 8-32 x 3/8″ SHCS
87510 CNC rotary table stepper motor mount