> ブログ > よくある問題 > 定荷重ばねの設計と製造方法

定荷重ばねの設計と製造方法

ソース:前業精密 時間:2022-9-14

 Design and manufacture a complete set of constant force springs for a variety of applications in almost all industries, from medical care to aerospace and general household products. The constant force spring is different from the traditional spiral wound spring. They are made of pre tensioned high-yield metal strips (usually stainless steel) rather than wires.

Constant force springs are classified as “tension springs”. When winding, the metal strip resists uncoiling with nearly constant resistance. When extended, the internal stress of the metal resists any load force at a nearly constant rate. Once the spring extends to a length of 1.25 times its diameter, it reaches full load and produces a nearly constant force. According to the size of the spring and the load it supports, the fatigue life cycle of the constant force spring is between 2500 and 1000000 times.

    Constant force springs are commonly used in automotive engineering, aerospace engineering, medical and retail. Some common applications are: Cable retractor, motor, spacecraft, fitness equipment, door closer, hose retriever, nuclear magnetic resonance scanner, X-ray machine, point of sale display, toys, furniture accessories, retractable tape measure or dog line, retractable vacuum cleaner line, etc.

    If you choose a constant force spring for an application, you must first consider several factors.

Material selection is important, as is the thickness and width of the metal strip. The most commonly used metal is grade 301 stainless steel because it can make consistent high-quality and strong constant force springs. Other materials are available, such as high carbon steel, Inconel, etc., which may be more suitable for springs that need to resist high load forces.

   To select or manufacture the correct spring, you must know the approximate initial force or load to overcome when the spring reaches the “constant force” stage. The higher the initial load, the larger the spring diameter you need.

    In addition, the spring end details need to be designed to be fixed or connected to the components that will curl and unfold.

    To determine the size of a constant force spring, certain guidelines must be followed. To calculate the total length of the spring strip, the following formula can be used: total length = circumference wound on the drum + initial deflection + maximum working deflection (ID x π x 1.5) + I F + W F.

   Limitations of constant force spring

   External factors will limit the life cycle of constant force spring.

  For example, debris or particles can clog the system, slowing or hindering coiling and deployment. If the spring mechanism is open to the element or is often in contact with corrosive fluid, corrosion may occur, affecting the movement of the spring. Extreme temperatures can also affect spring operation. This may be of particular concern in aerospace engineering.

   Qianye精度 is a global spring manufacturer with more than 20 years of spring manufacturing experience. As a professional spring supplier, we can provide all kinds of constant force springs and various application designs and solutions of spring springs. Please contact 13827443413 Liu Gong! We sincerely suggest that customers can obtain consulting services with our R & D engineers at the early stage of product introduction and R & D. According to the needs of customers and assist in product design, development and proofing, so that your products can find the best solution to meet your application needs.
タグ: , ,

最新ニュース

 サンプリング装置の自重バランス機構に定荷重バネを応用
サンプリング装置の自重バランス機構に定荷重バネを応用

時間:2022-9-14

現在、医療検査機器には、サンプルの吸引、サンプルの追加、吸引と検査、試薬の追加、測定などの操作のために、さまざまなサンプルプローブと試薬プローブが使用されています。これらのアクションの組み合わせで使用されるデバイスのほとんどは、インテリジェントなサンプリング デバイスであり、使用されるシステムはデータを自動的に処理できます。完全な機能と複雑なメカニズムにより...

 高精度ばねの設計技術
高精度ばねの設計技術

時間:2022-9-14

 優れた弾性性能を確保するためのばね、つまり、塑性変形することなく多くの弾性エネルギーを吸収します。衝撃破壊を防ぐのに十分な可塑性と靭性。応力の性質に応じて、ばねは引張ばね、圧縮ばね、ねじりばね、曲げばねに分けることができます。形状により、皿ばね、リングばね、板ばねなどに分けられます。

 Custom springs for medical devices
Custom springs for medical devices

時間:2022-9-14

For most of the past two decades, the medical device industry has been booming. Healthcare research has led to the rapid expansion of specific devices used to treat medical needs, from rare to common. These devices range from simple to surprisingly complex, often including automatic sensors, computer monitoring, and even remote monitoring by healthcare providers. When you are designing for...

 Do you know what springs are used as stop mechanisms?
Do you know what springs are used as stop mechanisms?

時間:2022-9-14

We often find that the spring we make is wrongly used as a stop mechanism in the design. This design defect can occur in all types of springs, including constant force spring, constant torque spring and power spring. For example, consider a simple cable extension product in which the spring retracts the cable into the housing. If the spring is completely...

Qianye Precision の工業用ドアの設計
Qianye Precision の工業用ドアの設計

時間:2022-9-14

近代的な工場の建物のアクセス ドアとして、工業用ドアは誰にとってもなじみのあるものでなければなりません。工業用ドアには、さまざまな持ち上げドアモードがあります。壁に設置された軌道に合わせて上向きにスライドし、高速で安定しています。現在、産業用ドアは主にトーション スプリング バランス システムを使用して産業用ドアを安定させています...

 定トルクスプリングモーター
定トルクスプリングモーター

時間:2022-9-14

定トルク スプリング モーターは、コイルを形成するプレストレスト スプリング材料のストリップで、小さなストレージ ドラムに保管されます。自由端は固定され、より大きな出力ドラムに巻き戻されます。これは定トルク スプリング サイクルの「巻き取り」部分です。出力ドラムを離すと、スプリングが元に戻ります...

Product