Hansheng Automation (Dongguan) Co., Ltd. is one of the most experienced manufacturers and suppliers of swing roller gear index table in China. If you're going to wholesale bulk cost-effective swing roller gear index table made in China, welcome to get pricelist and quotation from our factory. Also, customized service and OEM&ODM service are available.
Hansheng Automation can provide global customers with four major precision reducer products (Cam Indexer, Hollow Rotary Table, Planetary Gearbox, Harmonic Drive) and four major services (Precision Gear Skiving Service, CNC Machining Service, Castings Service, FA Parts). Our products are sold well in India, Vietnam, Bangladesh and other countries, and our customers are mainly from terminal factories and equipment manufacturers. We are a precision partner worthy of your trust!
What is the Swing Roller Gear Index Table?
A Swing Roller Gear Index Table (also known as an oscillating cam indexer or pick-and-place indexing drive) is an integrated, high-precision motion control mechanism designed to convert continuous rotary input into synchronized rotational indexing, reciprocating swing (oscillation), and vertical lifting motions. By mechanically synthesizing complex compound movements within a single rigid housing, it delivers zero-backlash, high-speed automated positioning without relying on external pneumatic cylinders or secondary actuators.
Precision Mechanical Construction
The core assembly consists of a precision-machined globoidal/barrel cam, a multi-roller turret (featuring preloaded, hardened needle roller cam followers), and a high-rigidity indexing output table. The conjugate cam ribs maintain constant, preloaded contact with the roller gears throughout both the dwell and indexing phases. Driven by an integrated input shaft, the internal oscillating mechanism converts smooth rotational energy into designated angular swings and lifting strokes with exceptional dynamic rigidity.
Working Principle & Motion Synchronization
The operating principle relies on positive-motion mechanical interlocks and precision cam kinematics:
- Continuous Drive Input: As the external gear motor drives the input shaft, the hardened globoidal cam rotates at a constant speed.
- Conjugate Cam-Roller Meshing: The specialized multi-dimensional cam track guides the needle roller followers, simultaneously driving the output turret through precise swing angles (from 5° to 90°) and intermittent linear lift (strokes up to 55mm).
- Zero-Backlash Positioning: Unlike traditional frictional or backlash-prone gear trains, the preloaded rolling contact eliminates mechanical play, delivering positioning repeatability within ±30 arc-seconds.
Technical Specifications & Model Selection
| Indexer Specifications (axis distance/mm) | 45 | 70 | 80 | 110 |
| Applicable Motor Power (kw) | 0.12/0.15 | 0.12/0.15 | 0.20/0.37 | 0.37/0.75 |
| Lifting Stroke(mm) | max.15 | max.30 | max.40 | max.55 |
| Station Number | 2,3,4,5,6,8,10,12,15,16,20,24,30,32, For further requests, please contact us | |||
| Inlet Shaft Speed (rpm) | 0-100 (depending on the actual load, special requirements please inform separately) | |||
| Swing Angle (deg) | 5,10,15,30,45,60,90, For further requests, please contact us | |||
| Mounting Surface | VW1-6 six-sided arbitrary installation (in the purchase of the need to specify the installation surface, so as not to affect the location of the oil injection hole) | |||
How Swing Cam Indexers Differ from Other Cam Indexers
Selecting an indexing mechanism for an automation line requires understanding the mechanical design and kinematic differences among the primary cam drive types: swing (oscillating) cam indexers, barrel (cylindrical) cam indexers, and parallel (flat conjugate) cam indexers.
Structural and design differences
Oscillating / swing cam indexer
Designed for synchronized angular oscillation and linear strokes. It has an integrated globoidal or compound-track cam coupled to a swinging output turret with preloaded roller followers. Instead of continuous unidirectional rotation, the internal kinematic profile drives the output shaft through reciprocating angular swings and pick-and-place lift motions.
Barrel / cylindrical cam indexer
Built with a cylindrical cam containing a machined helical groove along its circumference, engaging radial cam followers on the output turret. The input and output shafts are positioned orthogonally at 90 degrees. This layout withstands axial and radial loads in high-speed rotary dial applications.
Parallel / flat plate conjugate cam indexer
Built with parallel input and output shafts using two conjugate flat-plate cams directly contacting a roller turret. The low-profile planar design is compact along the shaft axis. This simplifies maintenance and inline integration where space is constrained.
Motion profile and application differences
Oscillating / swing cam indexer (reciprocating compound motion)
Delivers synchronized left/right oscillation (5° to 90°) combined with up/down vertical strokes. It is used for pick-and-place part transfer, mechanical clamping, component insertion, and automated packaging lines where pneumatic actuators would introduce vibration or cycle latency.
Barrel / cylindrical cam indexer (unidirectional intermittent rotation)
Provides smooth rotary indexing (typically 2 to 32+ stations) in a single rotational direction with zero-backlash dwell periods. Used in high-precision rotary assembly machines, multi-station machining turntables, and automatic labeling systems that require continuous cyclic indexing.
Parallel / flat plate cam indexer (in-plane step-indexing)
Provides intermittent step-and-dwell rotary indexing across parallel shafts with minimal profile depth. It is used in inline conveyor drives, blister packaging lines, paper feeding mechanisms, and light-to-medium intermittent assembly setups with tight vertical clearance.
FAQ
Q: What is a swing roller gear index table, and how does it differ from a standard cam indexer?
A: A swing roller gear index table, such as the H series, is a cam-driven mechanism for compound, multi-axial motion. A standard rotary cam indexer delivers single-plane intermittent rotation in a dwell-index-dwell sequence. A swing roller gear indexer synchronizes intermittent rotary indexing with reciprocating angular swing (oscillation) and vertical linear lift. One mechanical drive can then perform compound tasks such as pick-and-place, clamping, and multi-station rotary transfer without external auxiliary actuators.
Q: How does the swing roller gear index table achieve synchronized swing, indexing, and lifting motions?
A: The compound motion comes from a single-axis, conjugate globoidal cam design.
Input drive: A continuous motor drives the hardened globoidal cam on the input shaft.
Cam-follower kinematics: Machined 3D cam tracks guide the preloaded roller cam followers. They translate continuous rotation into synchronized angular oscillation (5° to 90°) and intermittent rotary indexing.
Superimposed vertical stroke: In the H series, a cam profile superimposes a vertical reciprocating stroke (up to 55 mm) onto the output shaft. This creates a lift, swing, index, clamp motion cycle with mechanical synchronization and zero timing latency.
Q: What are the main industrial applications and engineering advantages of this mechanism?
A: It is used in high-speed automated systems that require synchronized transfer, orientation, and clamping.
Automated assembly: multi-station electronics assembly, connector pin insertion, and PCB pick-and-place where precise alignment and pressing are required.
Packaging machinery: blister packaging, pharmaceutical pouch transfer, and bottle capping where materials must be picked, swung, and placed onto an indexing rotary table.
Multi-axis processing: small-part chamfering, grinding, and inspection machines that require multi-faced flipping and step-by-step indexing.
Compared with conventional indexers: It replaces multi-component setups such as a standard rotary indexer combined with multiple pneumatic cylinders and linear slides. This eliminates pneumatic delay, reduces cumulative mechanical errors, lowers control programming complexity, and cuts maintenance costs.
Q: Can the swing angle, indexing stations, and lifting stroke be customized?
A: Yes. The unit can be configured according to specific kinematic requirements.
Swing / oscillation angle: typically adjustable or customizable from 5° to 90°.
Number of stops (stations): available in 2, 3, 4, 6, 8, or more dwell stations.
Lifting stroke: standard strokes range from 15 mm to 55 mm depending on the housing size (45H, 70H, 80H, 110H). Custom cam curves and timing charts can also be made on request.
Q: Mechanical swing cam drive compared with a pneumatic pick-and-place system
A: Zero backlash and high repeatability: mechanical positioning accuracy within ±30 arc-seconds.
Higher cycle speeds: eliminates cylinder cushion delays, sensor latency, and air-pressure fluctuations.
Maintenance-free durability: fully enclosed oil-bath lubrication gives long service life with minimal downtime in 24/7 industrial production environments.
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