CNC Rotary Controller with Power Supply

  • *Preferred unit of measurement for laser engraved portions
    Please note that our ball screws only come in a metric pitch

Product Description

About the CNC Rotary Controller

The CNC Rotary Controller allows you to convert your CNC Rotary Table with stepper motor to the Rotary Table with Indexer. This controller is specific to the rotary table, and should not be confused with the linear controller.

Keypad3_colorAll entries are made from this simple keypad. No separate computer is needed. The Rotary Controller includes the microprocessor unit with a numeric input keypad, 115 VAC power source, and all necessary connecting cables.

Operation is very simple

After entering the number of steps per revolution (or the number of degrees per step) on a simple numeric keypad, the table advances quickly and precisely to the next position at the touch of a single advance key. If an error is made, previous positions can be accurately recalled by hitting another button. Basic resolution is 28,800 steps per revolution, ±0.006° per step. This allows the accurate machining of items like gears with odd numbers of teeth. Computations are made internally to a high degree of accuracy to avoid cumulative errors.

The CNC rotary controller is a stand-alone unit. You get everything you need to make complex indexing jobs easy. In addition, the unit can be connected to an existing CNC control to act in conjunction with that system. An input signal triggers the programmed function. When it is complete, it signals back to continue the program. The unit can also be “daisy-chained” with other units to trigger sequential actions. As with all Sherline accessories, complete instructions are included.

The rotary table can also be “daisy-chained” with Sherline’s linear controller to achieve combinations of rotary and linear movement in sequence. This makes it easy to set up for relatively sophisticated operations like cutting gears without having to know anything about CNC programming beyond what is entered from these simple keypads.

About the Controller Power Supply Current

The controller power supply is 110-240VAC compatible. It automatically switches from 110V to 240V for countries with 220-240 volt electrical current. The original power supply that we offered with this product was 110 VAC only.

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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 8700 Instructions

Instructions PDF Download

Rotations Speed 1°/ sec to 50°/sec maximum (programmable in 1° increments))
Resolution 28,800 steps per revolution (±.006° per step)
Backlash Compensation Programmable
Power Supply Transformer Input: 120 VAC 60 Hz 38 W; Output: 24V, 1000 mA
87041 120 VAC power supply (24 VDC, 1 amp output)
87250 Stepper motor-to-control box 6’ extension cable
87350 Single 5-pin mini-DIN limit switch cable or ½ of daisy-chain cable
87100 Rotary controller/keypad unit complete