Sankyo AD Series Current Benefits & Features

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Design Features
Sankyo's AD/Alpha Series features a low profile design cast iron housing with a ground pilot flange for mounting dial plates, hub less gears, or weldment fixtures. Above the indexing dial, a second dial mounting surface is stationary and hollow to allow air lines, wiring or bearings for a shaft to be routed through the tolerance bore.

Why Sankyo
A globoidal cam rotates Sankyo made needle bearing type cam followers. Optimizing the cam follower diameter inherently maximizes torque transfer and extends the life hours due to fewer rotations with increased surface contact. Multiple index periods offer continuous or on demand duty cycles with the indexing flange locking in position within 30 arc seconds during the dwell period.

Output & Motions
The output flange turret is mounted with top and bottom tapered bearings which supports large bending moments, maintain rigidity and reliability. These versatile units index in both directions, oscillate or perform non-patterned motions with a continuous lead cam using servo driven motors.

Drive Options
Most units are driven with geared motors that are within the height of the index unit housing. There's no need for spacers or burning a hole in the mounting plate to accommodate for drive height interference. An optional torque limiter safety clutch mounts between the index and indexing dial plate. Torque thresholds are easily adjusted without any disassembly and a proximity sensor detects overloads. Timing cam packages are available with inexpensive photo beam sensors or proximity switches for wash down (IP67/NEMA-6/6P) applications.

Request Quote
Complete this Application & Sizing Form with your specific project information and return it to Sankyo America. Please provide as much detail as possible to enable our project managers and engineers the best opportunity to fully understand your project.

Advantages

• 2 to 32 incremental output stops, 1-dwell cam equals; 1-output stop to 1-input shaft revolution, 2-dwells for 16 to 32 stops
• Dial diameters range from 280mm to 3600mm (1 to 12 feet)
• 120° to 330° index periods with Sankyo modified sine or constant velocity (~50% CV) cam curves
• Maximum 200 cycles per minute, bi-directional indexing, oscillating motions (non-pattern for servo driven AR/ServoDEX)
• ±30 arcsec indexing accuracy (average ±9 arcsec), 30 arcsec repetitive, ±60 arcsec for 2-dwell cams for 16 to 32 stops
• Painted cast iron housings are available in 8 standard sizes ranging from 70 to 450mm input to output shaft centers
• Standard stationary hollow flange output with tolerance bore, available with optional torque limiting clutch
• Index mounts in any position with right angle gearmotor mounting in 90° increments on either side of the index
• Standard brushless dual voltage (230/460) gearmotors are UL & CE certified, brake motor or wash down optional
• Variable frequency drive controller utilizes electronic braking and variable speed for gearmotors in 115-1ph, 230-1/3ph, 460-3ph volts, 50/60 Hz, UL & CE certified
• Stop/start frequency up to 60~90 per minute (output load/reducer dependant), clutch brake or servo drives are available
• Standard IP50 photo eye timing cam sensor package supplies dial 'in position” signal to stop the motor, IP67 proximity type optional
• Output torque limiting clutch option features quick-adjust torque setting, automatic reset every 360° & overload detect prox.

Specifications