Torque Clutch or Servo Drive for Rotary Capping Heads

Product Specifications

Technical details and manufacturing context for Torque Clutch or Servo Drive

Definition

The torque clutch or servo drive is a critical control element in rotary capping heads that ensures consistent and accurate torque application when sealing containers with screw caps. It functions as the interface between the capping head's mechanical system and the control electronics, providing either mechanical torque limitation (clutch) or electronic torque control (servo drive) to prevent overtightening or undertightening of caps. This component is designed for integration into capping machinery used in industries such as food and beverage, pharmaceuticals, and cosmetics, where precise sealing is essential for product integrity and consumer safety. The torque clutch operates mechanically using spring-loaded friction plates that slip at a preset torque threshold, while the servo drive uses closed-loop electronic control with feedback from torque sensors to precisely regulate motor output. Both systems ensure that caps are tightened to specified torque values for proper sealing without damaging containers or caps. The component is available with a torque range of 0.5–10 N·m, adjustable for different cap sizes, and offers a torque accuracy of ±3%. It supports a speed range of 10–300 rpm, with maximum speed depending on the torque setting. For servo drive versions, the supply voltage is 24 V DC ±10%, and current consumption ranges from 0.5–3.0 A at peak torque. The operating temperature range is -10–50°C, with derating required above 50°C. Protection class is IP54–IP65 per IEC 60529, suitable for washdown environments. Materials include steel alloys, aluminum alloys, electronic components, and polymer friction materials, with material grades such as 304/316L per ASTM A276 for corrosive environments. The weight ranges from 1.5–4.5 kg, depending on torque capacity. The mounting interface is ISO 5210 F05–F07 for easy integration. These specifications are directory reference ranges and must be confirmed for the actual model and application with the legal manufacturer or supplier.

Working Principle

Torque clutches operate mechanically using spring-loaded friction plates that slip at a preset torque threshold, while servo drives use closed-loop electronic control with feedback from torque sensors to precisely regulate motor output. Both systems ensure that caps are tightened to specified torque values for proper sealing without damaging containers or caps.

Common Materials

Steel alloys, Aluminum alloys, Electronic components, Polymer friction materials

Technical Parameters

Parameter	Typical range	Notes & selection driver
Torque Range	0.5–10 N·m	Adjustable within range for different cap sizes
Torque Accuracy	±3 %	Higher accuracy for sensitive closures
Speed Range	10–300 rpm	Max speed depends on torque setting
Supply Voltage	24 ±10% V DC	For servo drive versions
Current Consumption	0.5–3.0 A	Peak current at max torque
Operating Temperature	-10–50 °C	Above 50°C derating required
Protection Class	IP54–IP65	IP65 for washdown environmentsIEC 60529
Material	304/316L	316L for corrosive environmentsASTM A276
Weight	1.5–4.5 kg	Depends on torque capacity
Mounting Interface	ISO 5210 F05–F07	Standard flange for easy integrationISO 5210

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

Torque Sensor
Measures actual torque applied during capping operation

Material: Strain gauge elements with steel housing
Control Electronics
Processes torque feedback and regulates drive output

Material: Printed circuit boards with semiconductor components
Drive Mechanism
Transmits rotational force to the capping chuck

Material: Steel gears or servo motor components
Adjustment Interface
Allows operators to set desired torque values

Material: Aluminum housing with digital display
Spring-Loaded Friction Plates Optional
Slip at a preset torque on mechanical clutch versions — no electronics involved.

Applied To / Applications

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

Rotary Capping Head

View system integration details

Manufacturers of Torque Clutch or Servo Drive

Manufacturer profiles associated with Torque Clutch or Servo Drive.

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Frequently Asked Questions

What is the difference between a torque clutch and a servo drive?

A torque clutch is a mechanical device that uses spring-loaded friction plates to limit torque by slipping at a preset threshold. A servo drive is an electronic system that uses closed-loop control with torque sensors to precisely regulate motor output. Both achieve consistent torque application but through different mechanisms.

What torque range is available?

The torque range is 0.5–10 N·m, adjustable for different cap sizes. The exact setting must be configured based on the specific capping application and verified with the manufacturer.

What are the environmental limits?

The operating temperature range is -10–50°C, with derating required above 50°C. The protection class is IP54–IP65 per IEC 60529, suitable for washdown environments. Confirm suitability for your specific environment with the supplier.

How do I verify the correct model for my application?

You must confirm model-specific values such as torque range, speed, voltage, and mounting interface with the legal manufacturer or supplier. The specifications listed are reference ranges and may vary by model.

Data Basis

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

Preliminary Technical Classification

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pressure:	0-10 bar
other spec:	Max Torque: 50 Nm, Speed Range: 0-3000 RPM
temperature:	-10°C to +70°C

Torque Clutch or Servo Drive

Product Specifications

Applied To / Applications

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