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Springs and Mechanical Reels

Springs and Mechanical Reels
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Springs and Mechanical Reels

Product catalog summary
Overview: Hunter Spring specializes in manufacturing flat coiled springs for diverse markets such as commercial, industrial, medical, and military sectors. The document provides comprehensive details on both stock and custom-designed spring-powered devices, focusing on linear and rotational travel applications for design engineers.
Specifications: The document details various spring types and their applications:
  • NEG’ATOR® Extension Springs: Ideal for applications needing output force with linear travel, offering a low force gradient and allowing long linear extensions.
  • NEG’ATOR Motor Assemblies: Consist of a single spring on a storage drum, used for counterbalancing, retrieving, and returning functions.
  • Power Springs: Suitable for applications requiring output torque with rotational travel, providing high torque in a few turns.
  • SPIR’ATOR® Springs: Offer a lower force gradient and more turns within the same package size compared to power springs.
Procedures: Detailed specifications for various spring models are included, covering load capacities, dimensions, and fatigue life. Guidelines for selecting the appropriate spring type based on application needs are also provided.
Standards and Recommendations: Hunter Spring offers custom designs to meet specific application needs, with engineers available to assist in selecting the right spring design based on space, life cycle, load, and operation requirements.
Key Data from Tables: Tables in the document list part numbers, specifications, load capacities, dimensions, and fatigue life for various spring models. For instance, the NEG’ATOR Constant Force Extension Springs table includes details like load in pounds, drum diameter, and band length.
Critical Information: The document highlights the versatility and compact size of NEG’ATOR springs, their ability to generate maximum force at initial deflection, and the variety of materials used. It also emphasizes the importance of torque and the number of turns in power spring design.
Additional Specifications: Detailed specifications for spring-powered and base-mounted reels are provided. Springs are primarily made of high-carbon steel or Type 301 stainless steel, with cables often coated with nylon for protection. Cases and drums are typically steel, with some components featuring epoxy powder or zinc coating for durability.
Procedures and Features: The ML-4575 series uses the SPIR’ATOR prestressed power spring, designed to be tamper-proof when mounted. These reels are compact, lightweight, and feature stainless steel cables, offering custom terminations and available in coated and uncoated options.
Dimensions and Part Numbers: Various part numbers with specifications, including dimensions, cable lengths, and retraction forces, are listed. For example, the ML-1547 has a retraction force of 15 lbs and a cable length of 126 inches, mounted using a bracket.
Performance Data: Graphs illustrate the relationship between cable extension and pull force, highlighting performance during extending and retracting phases.
Recommendations and Limitations: Users are advised to conduct their own tests to determine product suitability for specific applications, as AMETEK Hunter Spring cannot guarantee accuracy or suitability due to external factors. Specifications are subject to change without notice.
Standards: The manufacturer is ISO 9001 registered, ensuring adherence to quality management standards.
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Catalog excerpts

Springs and Mechanical Reels-1

Stock and custom-designed, spring-powered devices for the design engineer

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Springs and Mechanical Reels-2

Hunter Spring is the industry leader in design and manufacture of flat coiled springs for the commercial, industrial, medical and military markets. Our flat springs are produced using a variety of materials including 301 stainless steel, high carbon spring steel, Elgiloy, Havar and Inconel. Choose from our spring types shown here, or contact our Application Engineers to assist you in choosing the right spring for your design. Force Output Springs For applications requiring output force (linear travel): NEG’ATOR ® extension springs . . . . . p.4,5 NEG’ATOR motor assemblies. . . . . . p.8,9 Arbor...

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Springs and Mechanical Reels-3

Torque Output Springs For applications requiring output Torque (rotational travel): Power spring (torque increases with turns). . . . . . . . . . . . . . . . . . . . . . . p.6 SPIR’ATOR ® spring (torque increases with turns). . . . . . . . . . . . . . . . . . . . . . . p.6 NEG’ATOR constant torque springs. . . . p.7 RW spring (less than 240° travel, high constant torque). . Call Customer Service power springS SPIR’ATOR springs The most commonly used type of flat spring. Since the storage of energy is cumulative, torque output decreases as the spring unwinds. These springs produce relatively high...

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Springs and Mechanical Reels-4

NEG’ATOR® Constant Force Extension Springs for force output The NEG’ATOR Constant Force Spring represents the most basic, yet most versatile, type of constant force springs. It is a prestressed flat strip of spring material which is formed into virtually constant radius coils around itself or on a drum. When deflected, the spring material straightens as it leaves the drum. This straightened length of spring actually stores the spring’s energy through it’s tendency to assume its natural radius. • Low force gradient over entire deflection range • Extremely long linear extensions possible • Maximum...

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Springs and Mechanical Reels-5

Part Number Spec Number FATIGUE LIFE - 2,500 CYCLES MINIMUM FATIGUE LIFE - 13,000 CYCLES MINIMUM SK4D15 FATIGUE LIFE - 20,000 CYCLES MINIMUM SL4D16

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Springs and Mechanical Reels-6

Custom Power Springs SPIR’ATOR® Prestressed Power Spring Overview The SPIR’ATOR prestressed spiral Power Spring is produced by reverse winding a NEG’ATOR on an arbor and enclosing it in a case. Rotational energy can be obtained from either the arbor or case or, when linear motion is required, through use of a pulley and cable attachment. With torque and deflection being equal, a SPIR’ATOR generally requires 20% less space than a power spring. Torque and the total number of turns are the most important output requirements in a power spring design. The performance of the spring is defined by the...

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Springs and Mechanical Reels-7

NEG’ATOR® Constant Torque Springs for Torque output Design These springs are made of Type 301 high-yield stainless steel and are supplied in coils for mounting on motor drums. Custom designs are available; please contact us and allow our Application Engineers to provide you a design to meet your needs. Features • Long deflections at nearly constant torque; positive or limited negative gradients can be achieved • Minimal intercoil friction and resultant hysteresis as is common in power springs S ENDS OF STOCK B MOTOR SPRINGS ARE FORMED AS "TONGUES" FOR MOUNTING • Provides rotary motion directly...

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Springs and Mechanical Reels-8

NEG’ATOR® Motor Assemblies NEG’ATOR Spring Motor assemblies are composed of a single spring mounted on a storage drum and mounted either singularly or in pairs to an output drum with an integral cable. The entire assembly is mounted on a base plate. Stainless steel Zinc-plated steel Zinc-plated steel Type 301 high-yield stainless steel Type 301 high-yield stainless steel Type 301 high-yield stainless steel Ø.015" nylon monofilament (15 lb. test) Ø.024" uncoated stainless steel Ø.031" 3x7 high-yield galv. steel aircraft cable coated to Ø.047" with nylon Diagrams are shown in “right” configurations....

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Springs and Mechanical Reels-9

Part Number Spec Number Cable Type Ø.015" nylon monofilament (15 lb. test) Ø.024" uncoated stainless steel Ø.024" uncoated stainless steel Ø.024" uncoated stainless steel Ø.031" 3x7 high-yield galv. steel aircraft cable coated to Ø.047" with nylon Ø.024" uncoated stainless steel Ø.031" 3x7 high-yield galv. steel aircraft cable coated to Ø.047" with nylon Ø.031" 3x7 high-yield galv. steel aircraft cable coated to Ø.047" with nylon Ø.031" 3x7 high-yield galv. steel aircraft cable coated to Ø.047" with nylon Ø.031" 3x7 high-yield galv. steel aircraft cable coated to Ø.047" with nylon Ø.031" 3x7...

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Springs and Mechanical Reels-10

Arbor-mounted Reels SPECIFICATIONS SPRING: High-carbon steel CABLE: 7 x 7 construction, preformed galvanized steel with nylon coating CASE: Steel, epoxy powder coated ARBOR: Acetal (POM) Spec Number caBle pull—pounDS Part Number incHeS eXtention Dimensions are in inches. CABLE LENGTH L caBle pull—pounDS incHeS eXtenSion Part Number Thread Size Plated steel Plated steel OPTIONAL MOUNTING ARBOR E F SPRING CLIP (INCLUDED) CLEARANCE FOR MOUNTING ON A D SQUARE SHAFT

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Springs and Mechanical Reels-11

Base-mounted Reels CABLE: .024" diameter 7x3 stainless steel BASE: Steel, zinc coated DRUM: stainless steel Part Number Spec Number CABLE PULL—POUNDS SPRING: Type 301 stainless steel SPIR’ATOR spring * Nylon coated cable to .034" diameter. Plastic Spring-powered Reels The ML-4575 series utilizes the SPIR’ATOR prestressed power spring. The closed case construction makes the spring unit tamper-proof when mounted. Ring terminal provides customer the ability to secure cables with Velcro®, tie wraps, zip ties, etc. for many cable management applications. • Cable available either coated to .024" or...

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Springs and Mechanical Reels-12

Bracket-mounted Reels SPECIFICATIONS SPRING: High carbon steel SPIR’ATOR spring (except ML-1548 which has power spring) CABLE: 3/32" diameter, galvanized steel, nylon, coated to 1/8" diameter, 126" long CASE AND CABLE REEL: Steel, zinc coated MOUNTING BRACKET: Steel, zinc coated Part Number Spec Number Mounting Type Cable Type Ø3/32" galvanized steel nylon coated to Ø.125 Ø3/32" galvanized steel nylon coated to Ø.125 Ø3/32" galvanized steel nylon coated to Ø.125 CABLE PULL—POUNDS INCHES EXTENTION Due to the wide range of applications our products can be used in, AMETEK Hunter Spring cannot guarantee...

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All AMETEK Hunter Spring catalogs and technical brochures

  1. D201063-1
    D201063-1

    1  Page

  2. D201030-1
    D201030-1

    1  Page

  3. 300420-1
    300420-1

    1  Page

  4. D200463-1
    D200463-1

    1  Page

  5. Medical Grade Power Cord Reels 6 inch reel, 10 feet cable
    Medical Grade Power Cord Reels 6 inch reel, 10 feet cable

    1  Page

  6. Medical Grade Power Cord Reels 7.5 inch reel, 10 feet cable
    Medical Grade Power Cord Reels 7.5 inch reel, 10 feet cable

    1  Page

  7. 200-20R-ST
    200-20R-ST

    1  Page

  8. ML-2930 Series
    ML-2930 Series

    1  Page

  9. 6 inch reel, 10 feet cable
    6 inch reel, 10 feet cable

    1  Page

  10. 9 inch reel, 10 feet cable
    9 inch reel, 10 feet cable

    1  Page

  11. International Power Cord Reels
    International Power Cord Reels

    1  Page

  12. 300079-3
    300079-3

    1  Page

  13. D201077-1
    D201077-1

    1  Page

  14. D201057-1
    D201057-1

    1  Page

  15. 300713-2
    300713-2

    1  Page

  16. 301172
    301172

    1  Page

  17. D201057-3
    D201057-3

    1  Page

  18. ML-3416 Series
    ML-3416 Series

    1  Page

  19. Arbor Mounted Reels
    Arbor Mounted Reels

    1  Page

  20. Bracket Mounted Reels
    Bracket Mounted Reels

    1  Page

  21. NEG’ATOR
    NEG’ATOR

    1  Page

  22. Base Mounted Reels
    Base Mounted Reels

    1  Page

  23. Measurement Solutions
    Measurement Solutions

    8  Pages

  24. Measurement Solutions for the Cement Industry
    Measurement Solutions for the Cement Industry

    6  Pages

  25. ML1549
    ML1549

    1  Page

  26. ML1548
    ML1548

    1  Page

  27. ML1547
    ML1547

    2  Pages

  28. ML3949
    ML3949

    1  Page

  29. ML3946
    ML3946

    1  Page

  30. ML3943
    ML3943

    1  Page

  31. ML2801
    ML2801

    1  Page

  32. ML2800
    ML2800

    1  Page

  33. ML1912
    ML1912

    1  Page

  34. ML1851
    ML1851

    1  Page

  35. ML-1710
    ML-1710

    1  Page

  36. ML-1565
    ML-1565

    1  Page

  37. ML-1448
    ML-1448

    1  Page

  38. ML-1547
    ML-1547

    2  Pages

  39. ML-4575-XX
    ML-4575-XX

    1  Page

  40. Static Grounding Reels
    Static Grounding Reels

    4  Pages

  41. Retractable Power and Data Cable Reels
    Retractable Power and Data Cable Reels

    4  Pages

Archived catalogs

  1. ML4575 Plastic Retractable Cable Reels
    ML4575 Plastic Retractable Cable Reels

    1  Page

  2. ML2930 & ML3416 Large Static Grounding Reels
    ML2930 & ML3416 Large Static Grounding Reels

    1  Page

  3. ROTA-REEL Grounding/Bonding Reels
    ROTA-REEL Grounding/Bonding Reels

    2  Pages

  4. Retractable Reels for Cable Management
    Retractable Reels for Cable Management

    3  Pages

  5. Constant Force Springs and Power Springs
    Constant Force Springs and Power Springs

    12  Pages

  6. Retractable Cord Reels
    Retractable Cord Reels

    6  Pages

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.