Constant Tension Winch (for passive systems)
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This page explains how Drum Assembly is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.
The rotating cylindrical component of a constant tension winch that stores and releases cable or rope.
Technical details and manufacturing context for Drum Assembly
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Drum Diameter | 200–800 mm | Determines cable storage capacity and bending radius. |
| Drum Width | 150–600 mm | Affects fleet angle and spooling quality. |
| Rated Line Pull | 10–100 kN | Maximum working load; above this may cause structural failure.ISO 4308-1 |
| Line Speed | 0.5–2.0 m/s | Higher speeds require more powerful drive and braking. |
| Cable Capacity | 50–500 m | Depends on drum diameter, width, and cable diameter. |
| Operating Temperature | -20–60 °C | Outside this range, seals and lubricants degrade. |
| Surface Hardness | 40–55 HRC | Ensures wear resistance; lower hardness reduces service life.ISO 18265 |
| Material Grade | Q345B–Q460C | Higher grade for higher strength and toughness.GB/T 1591 |
| Weight | 150–800 kg | Affects installation and crane capacity. |
| Surface Treatment | Zn–Ni | Corrosion protection; other options available.ASTM B841 |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
| pressure: | Ambient to 1.5 bar |
| other spec: | Max cable tension: 50 kN, Max rotational speed: 100 rpm |
| temperature: | -20°C to 80°C |
Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.
Quoted from the published standard.
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1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.
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The typical drum diameter range is 200–800 mm, as listed in the directory. This affects cable storage capacity and bending radius. Confirm the exact value for your specific model with the manufacturer.
Referenced standards include ISO 4308-1 for rated line pull, ISO 18265 for surface hardness, GB/T 1591 for material grade, and ASTM B841 for surface treatment. These are verification references, not proof of compliance.
Materials on file include carbon steel, stainless steel, and aluminum alloy. The specific material grade (e.g., Q345B–Q460C) should be confirmed with the supplier for your application.
The drum assembly uses mechanical means such as springs, counterweights, or friction brakes to maintain tension. When cable is pulled, the system resists motion; when wound back, it stores energy or maintains resistance to prevent slack.
This component is essential for the following industrial systems and equipment:
Commonly used trade names and technical identifiers for Drum Assembly.
Editorial classification, named public sources where available, and source-reviewed manufacturer records.
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