ステンレススチール製ベベルギア比4:1ストレート歯システム
The stainless steel bevel gears ratio 4:1 straight-tooth system is a mechanical gear setup designed for efficient power transmission between two intersecting shafts, typically at a right angle (90°). These bevel gears are made of durable stainless steel, offering excellent resistance to corrosion, wear, and high-temperature environments, making them suitable for demanding industrial applications.
The stainless steel bevel gears ratio 4:1 straight-tooth system is a mechanical gear setup designed for efficient power transmission between two intersecting shafts, typically at a right angle (90°). These bevel gears are made of durable stainless steel, offering excellent resistance to corrosion, wear, and high-temperature environments, making them suitable for demanding industrial applications.
The term 4:1 ratio indicates that the smaller gear (pinion) completes four revolutions for every one revolution of the larger gear. This allows for a significant reduction in speed while amplifying torque. The straight-tooth design refers to the linear, radially arranged gear teeth, which are simpler to manufacture and align compared to spiral bevel gears. While slightly noisier due to abrupt tooth engagement, they are ideal for low to moderate-speed applications where precision and durability are essential.

Stainless Steel Bevel Gear Ratio 4:1
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| モジュール | 番号 歯の | d1つの | d | ND | オランダ | L1 | L | S | b | BH7 | E | トルク* | 重さ |
| んん | んん | んん | んん | んん | んん | んん | んん | んん | んん | Ncm | グラム | ||
| 1 | 15 | 17,8 | 15 | 13 | 7,7 | 17,3 | 17,3 | 8,4 | 9,3 | 5 | 38 | 0,14 | 15 |
| 1 | 60 | 60,3 | 60 | 30 | 10,0 | 15 | 17,1 | 15,1 | 9,3 | 8 | 22 | 0,56 | 160 |
| 1,5 | 15 | 26,7 | 22,5 | 18 | 14,45 | 28 | 28,9 | 15,5 | 13,9 | 8 | 60 | 0,48 | 42 |
| 1,5 | 60 | 90,4 | 90 | 50 | 12,0 | 25 | 27,6 | 24,6 | 13,9 | 15 | 35 | 1,92 | 745 |
| 2 | 15 | 34,0 | 30 | 20 | 13,5 | 29 | 29,9 | 15,5 | 15 | 10 | 75 | 1,34 | 80 |
| 2 | 60 | 120,9 | 120 | 60 | 20,0 | 35 | 40,1 | 37,0 | 15 | 25 | 50 | 5,36 | 1600 |
| 2,5 | 15 | 42,5 | 37,5 | 30 | 16,1 | 35 | 36,8 | 17,6 | 20 | 10 | 92 | 2,5 | 190 |
| 2,5 | 60 | 151,2 | 150 | 80 | 18,0 | 33 | 37,8 | 33,8 | 20 | 25 | 50 | 10,0 | 2600 |
| 3 | 15 | 51,0 | 45 | 30 | 13,15 | 38 | 39,7 | 15,7 | 25 | 10 | 105 | 4,4 | 270 |
| 3 | 60 | 181,5 | 180 | 80 | 18,0 | 35 | 40,6 | 35,5 | 25 | 30 | 55 | 17,6 | 3800 |
| 4 | 15 | 68,0 | 60 | 40 | 12,5 | 43 | 44,8 | 16,0 | 30 | 20 | 135 | 8,9 | 520 |
| 4 | 60 | 242,0 | 240 | 90 | 20,0 | 41 | 50,1 | 44,0 | 30 | 30 | 70 | 35,6 | 8300 |
Advantages of Stainless Steel Bevel Gears
高トルク容量
One of the key advantages of stainless steel bevel gears is their ability to handle high torque loads. The geometry and design of bevel gears allow for efficient transmission of power and torque between intersecting shafts.
コンパクト設計
Bevel gears offer a compact solution for power transmission between non-parallel shafts. By utilizing a conical geometry, bevel gears can effectively change the direction of rotation within a limited space.
スムーズで静かな操作
When properly designed and manufactured, bevel gears can provide smooth and quiet operation. Advancements in gear tooth geometry, such as the use of spiral bevel gears and hypoid gears, have significantly improved the smoothness and noise reduction capabilities of bevel gears. The curved teeth profile of spiral bevel gears allows for gradual engagement and disengagement, resulting in quieter operation compared to straight bevel gears.
Versatility in Shaft Angles
Bevel gears offer flexibility in terms of the shaft angles they can accommodate. While the most common shaft angle for bevel gears is 90 degrees, they can be designed to work with various shaft angles.
Disadvantages of Stainless Steel Bevel Gears
Higher Manufacturing Complexity
One of the main disadvantages of stainless steel bevel gears is their higher manufacturing complexity compared to other gear types, such as spur gears. The production of bevel gears requires specialized machinery and precise manufacturing processes to achieve the desired tooth geometry and surface finish. This complexity can result in increased manufacturing costs and longer lead times.
Sensitivity to Misalignment
Bevel gears are more sensitive to misalignment compared to other gear types. Misalignment can lead to uneven load distribution, increased stress on gear teeth, and premature failure.
Limited Speed Capability
Bevel gears have limitations in terms of their speed capability. At high speeds, bevel gears are prone to generating excessive noise and vibration due to the sliding action between the gear teeth. This can lead to reduced efficiency and increased wear. As a result, bevel gears are typically used in applications with moderate to low speed requirements.
Higher Cost
The manufacturing complexity and precision required for bevel gears often translate to higher costs compared to simpler gear types. The need for specialized machinery, skilled labor, and stringent quality control measures contributes to the increased cost of bevel gears. Additionally, the customization and specific design requirements of bevel gears for particular applications can further increase their cost.

What Are Bevel Gears Used For
Power Transmission in Automobiles
Bevel gears find extensive use in the automotive industry, particularly in differential drives. In a differential, straight bevel gears are used to split the power from the driveshaft and transmit it to the wheels while allowing them to rotate at different speeds. This enables smooth cornering and improved traction control. Bevel gears are also used in various other automotive applications, such as transfer cases and steering systems.
産業機械
Bevel gears are commonly used in industrial machinery where power needs to be transmitted between intersecting shafts. They are found in a wide range of equipment, including gearboxes, speed reducers, and power transmission systems. Industrial applications that utilize bevel gears include mining machinery, construction equipment, printing presses, and textile machinery.
Aerospace and Aviation
The aerospace and aviation industries rely on stainless steel bevel gears for power transmission in various applications. Bevel gears are used in aircraft engines, rotor drive systems, and accessory gearboxes. They are designed to handle high loads and provide reliable performance in demanding operating conditions. The compact design and ability to transmit power between non-parallel shafts make bevel gears well-suited for aerospace applications where space is limited.
海洋用途
Bevel gears are employed in marine applications for power transmission in propulsion systems, steering systems, and deck machinery. They are used in marine gearboxes, thrusters, and winches. The ability of bevel gears to handle high torque loads and withstand harsh marine environments makes them suitable for these applications. Marine bevel gears are often manufactured from corrosion-resistant materials to ensure durability and reliability.
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| 自動車用デファレンシャル用ベベルギア | Bevel Gear for Industrial Machinery |
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| ロボット用ベベルギア | 海洋産業向けベベルギア |
Stainless Steel Bevel Gear Measurement
ステップ1:必要な道具と設備を揃える
ベベルギアを正確に測定するには、以下の工具が必要です。
- 歯の厚さ、深さ、ピッチ径を測定するためのノギスまたはマイクロメーター
- ピッチ角とルート角を測定するためのベベル分度器
- 特定の深さにおける歯の厚さを測定するための歯車歯用ノギス
- ギアの振れと取り付け距離を確認するための定盤と高さゲージ
ステップ2:ピッチ径を測定する
ピッチ径を測定するには:
- ベベルギアを裏面を下にして定盤の上に置いてください。
- ハイトゲージを定盤に対して垂直に配置し、測定先端を歯車の歯面上のピッチ線に合わせます。
- この位置で高さ計をゼロに調整してください。
- ギアを180度回転させ、反対側の歯面にある対応するピッチ線の高さを測定します。
- ピッチ径は、2つの高さ測定値を合計することで算出されます。
ギアの複数の歯に対してこのプロセスを繰り返し、一貫性を確保するとともに、振れなどの潜在的な問題がないか確認してください。
ステップ3:歯の厚さを測定する
歯の厚さを測定するには:
- ピッチ線に歯車歯目盛付きノギスを配置して使用します。
- 歯のピッチラインに沿って歯の厚さを測定します。その際、歯の形状を損なわないように注意してください。
- ギアの周囲の複数の歯でこの測定を繰り返し、変化があれば記録してください。
あるいは、標準的なノギスやマイクロメーターを用いて、歯の根元の弦の厚さを測定することもできる。
ステップ4:圧力と根角を測定する
これらの角度を測定するには:
- ベベル分度器を歯車のピッチコーンに置き、その端を歯面に合わせる。
- 歯面との接点における圧力角を、分度器の目盛りから直接読み取ってください。
- 歯根の角度を測定するために、分度器を歯根線に合わせるように位置を調整します。
測定された角度が、指定されたギア設計パラメータと一致していることを確認してください。
ステップ5:ギアの振れを検査する
ギアの振れとは、ギアが軸を中心に回転する際のギア形状のばらつきを指します。振れを確認するには:
- ベベルギアを、定盤上のVブロックで支持されたマンドレルまたはアーバーに取り付ける。
- ダイヤルゲージのプローブを、歯車の背面、外径付近に接触させるように配置します。
- ギアをゆっくりと回転させ、ダイヤル上のトータルインジケーターの読み値(TIR)を確認します。
- 測定されたTIRを、規定された振れ許容値と比較してください。
ギアの振れを完全に評価するために、この手順をギアの前面とピッチ径で繰り返してください。
ステップ6:取り付け距離を確認する
取付距離とは、ベベルギアと相手ギアとの軸方向の位置関係のことです。取付距離を確認するには:
- ベベルギアを、前面を下にして定盤の上に置く。
- 高さゲージを使用して、指定された取り付け距離半径における、定盤からギアの背面までの距離を測定します。
- この測定値を、ギアの設計上の取り付け距離と比較してください。

追加情報
| 編集者 | Yjx |
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