About the CNC 4 Rotary Table Indexer. Sherline has taken their accurate and reliable 4 rotary table into the 21st century with the addition of Computer Numeric Control. Clock-makers or anyone with a need to cut gears or other complicated radially symmetrical patterns will find this accessory takes all the headaches out of repetitive indexing operations.All entries are made from this simple keypad. No separate computer is needed. You get everything you need including the 4 Sherline rotary table with an installed stepper motor, microprocessor unit with numeric input keypad, 115 VAC power source, and all necessary connecting cables. The rotary table comes with clamps and T-nuts for attaching it to the T-slots of a Sherline mill table. In addition, there are two options available for mounting the table in the vertical position or at other angles. 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 indexer 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 Sherlines linear controller (P/N 8800) 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. NOTE: We are stating the following weight limits for our rotary tables for continual use. 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 continual load. 4 diameter by 2 height. Center thread including chuck adapter and 4 T-slots. 1°/ sec to 50°/sec maximum (programmable in 1° increments).28,800 steps per revolution ±. 120 oz-in, 2 Amp, NEMA 23 Frame size, 400 steps per revolution. Input: 120 VAC 60 Hz 38 W; Output: 24V, 1000 mA. NOTE: The power supply included with this indexer is intended to operate only on 115/120 VAC, 60 Hz (38 W) current. For countries operating on 100, 220 or 240VAC and/or 50Hz a transformer will be required.
As an alternative, this power supply outputs 24VDC, 1 Amp (1000 mA). Sherline Products does not provide a 220V power supply or transformer. The item "Sherline PN 8700 CNC Rotary Table Indexer" is in sale since Thursday, May 2, 2019. This item is in the category "Consumer Electronics\Other Consumer Electronics". The seller is "dpp-engineering" and is located in Vista, California.
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