Indexing Drive Unit for Turntable Systems

Product Specifications

Technical details and manufacturing context for Indexing Drive Unit

Definition

The Indexing Drive Unit is a critical mechanical component within a Bottle Indexing Turntable system. It is responsible for converting continuous rotational input into precise, intermittent rotational output, enabling the turntable to stop at predetermined angular positions for bottle handling operations such as filling, capping, labeling, or inspection. The unit typically receives continuous rotational power from a motor. Through an internal mechanism (often a Geneva drive, cam indexer, or servo-controlled system), it transforms this input into a 'start-stop' or 'dwell-move' motion cycle. During the 'move' phase, it rotates the turntable a precise angular distance (e.g., 90°, 120°). During the 'dwell' phase, it holds the turntable stationary and locked in position, allowing downstream stations to perform their operations on the bottles. The unit is available in configurations with 2 to 24 stations, with even numbers standard and odd numbers on request. Key performance parameters include indexing accuracy of ±0.01° cumulative error over the full circle, repeatability of ±0.005° for consecutive cycles, indexing torque ranging from 50 to 500 N·m, input speed from 10 to 300 rpm, and cycle time per index from 0.5 to 3.0 seconds. Operating pressure should be between 0.4 and 0.8 MPa. Operating temperature range is -10 to 60°C, limited by lubricant viscosity. Protection class ranges from IP54 to IP65, with IP65 recommended for washdown environments. Housing material is typically cast iron (HT250 per GB/T 9439), with steel optional. Weight ranges from 15 to 120 kg depending on size and configuration. Materials used include alloy steel, cast iron, and hardened bearing steel. These values are directory reference ranges and must be confirmed for the actual model and application with the legal manufacturer or supplier.

Working Principle

The unit receives continuous rotational power from a motor. Through an internal mechanism (often a Geneva drive, cam indexer, or servo-controlled system), it transforms this input into a 'start-stop' or 'dwell-move' motion cycle. During the 'move' phase, it rotates the turntable a precise angular distance (e.g., 90°, 120°). During the 'dwell' phase, it holds the turntable stationary and locked in position, allowing downstream stations to perform their operations on the bottles.

Common Materials

Alloy Steel, Cast Iron, Hardened Bearing Steel

Technical Parameters

Parameter	Typical range	Notes & selection driver
Indexing Accuracy	±0.01 °	Cumulative error over full circleISO 230-2
Repeatability	±0.005 °	For consecutive indexing cyclesISO 230-2
Indexing Torque	50–500 N·m	Depends on size and gear ratio
Input Speed	10–300 rpm	Max speed limited by inertia
Number of Stations	2–24	Even numbers standard; odd on request
Cycle Time per Index	0.5–3.0 s	Includes acceleration and dwell
Operating Pressure	0.4–0.8 MPa	Supply pressure required for full actuation Below 0.4 MPa seat load insufficient
Operating Temperature	-10–60 °C	Lubricant viscosity limits range
Protection Class	IP54–IP65	IP65 for washdown environmentsIEC 60529
Housing Material	HT250	Cast iron standard; steel optionalGB/T 9439
Weight	15–120 kg	Depends on size and configuration

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Input Shaft/Hub Part
Receives continuous rotational power from the prime mover (motor).

Material: Alloy Steel
Indexing Mechanism (e.g., Geneva Wheel, Cam) Part
Core component that converts continuous input motion into intermittent output motion.

Material: Hardened Alloy Steel
Output Shaft Part
Delivers the intermittent rotational motion to the turntable. Often includes a locking feature during dwell.

Material: Hardened Alloy Steel
Housing/Body Part
Encloses and supports all internal components, providing mounting points and alignment.

Material: Cast Iron or Aluminum Alloy
Bearings
Support rotating shafts, minimizing friction and maintaining precise alignment.

Material: Bearing Steel

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Bottle Indexing Turntable

View system integration details

Manufacturers of Indexing Drive Unit

Manufacturer profiles associated with Indexing Drive Unit.

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Frequently Asked Questions

What is the typical indexing accuracy of this unit?

The directory lists indexing accuracy as ±0.01° cumulative error over the full circle, per ISO 230-2. However, this is a reference range; the actual value for a specific model must be confirmed with the manufacturer.

What materials are used in the construction?

Materials on file include alloy steel, cast iron, and hardened bearing steel. The housing is typically cast iron (HT250 per GB/T 9439), with steel optional. Confirm material specifications with the supplier for your application.

What is the operating temperature range?

The operating temperature range is -10 to 60°C, limited by lubricant viscosity. Ensure the unit is operated within this range to maintain performance and longevity.

What protection class is available?

The protection class ranges from IP54 to IP65, with IP65 recommended for washdown environments. Verify the required protection level for your specific installation with the manufacturer.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	Atmospheric only (non-pressurized)
other spec:	Max torque: 500 Nm, Indexing accuracy: ±0.1°, Max rotational speed: 30 RPM
temperature:	-20°C to +80°C

Indexing Drive Unit

Product Specifications

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