Engrenages coniques à onglet en acier, rapport 1:1, système à denture droite
Steel miter bevel gears with a 1:1 ratio and straight tooth system are a specialized type of bevel gear designed to transmit rotational motion between two intersecting shafts, typically at a 90-degree angle, without altering speed or torque. The 1:1 ratio indicates that both gears have an equal number of teeth, ensuring identical rotational speeds for the input and output shafts. The straight tooth design, characterized by teeth cut parallel to the gear’s cone generators, resembles a conical spur gear and is simpler to manufacture than spiral or zerol bevel gears.
Steel miter bevel gears with a 1:1 ratio and straight tooth system are a specialized type of bevel gear designed to transmit rotational motion between two intersecting shafts, typically at a 90-degree angle, without altering speed or torque. The 1:1 ratio indicates that both gears have an equal number of teeth, ensuring identical rotational speeds for the input and output shafts. The straight tooth design, characterized by teeth cut parallel to the gear’s cone generators, resembles a conical spur gear and is simpler to manufacture than spiral or zerol bevel gears.
However, this design results in abrupt tooth engagement, leading to higher noise and stress, limiting their use to lower-speed applications (typically under 1000 feet/min or 1000 rpm for small gears). Made from steel (e.g., C45 or stainless steel), these gears offer durability and strength, suitable for applications like robotics, conveyor systems, and printing presses, where precise directional changes are needed. Their octoidal tooth profile ensures proper meshing, and they are often produced as matched pairs to maintain alignment and efficiency.

Steel Miter Bevel Gear Ratio 1:1
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| Module | Nombre de dents | dun | d | ND | NL | L1 | L | S | b | BH7 | E | Couple* | Poids |
| mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | Ncm | g | ||
| 0,5 | 20 | 10,7 | 10 | 8 | 4 | 7,0 | 7,0 | 5,0 | 3 | 4 | 9,7 | 0,011 | 1 |
| 0,5 | 24 | 12,7 | 12 | 8 | 4 | 6,4 | 7,0 | 5,0 | 3 | 4 | 10,7 | 0,018 | 3 |
| 0,5 | 30 | 15,7 | 15 | 10 | 4 | 7,5 | 8,5 | 6,6 | 3 | 4 | 13,7 | 0,032 | 4 |
| 0,5 | 36 | 18,7 | 18 | 12 | 5 | 9,0 | 10,1 | 8,0 | 3 | 4 | 16,7 | 0,050 | 10 |
| 0,5 | 40 | 20,7 | 20 | 12 | 5 | 8,5 | 9,5 | 7,5 | 3 | 4 | 17,1 | 0,064 | 10 |
| 0,5 | 50 | 25,7 | 25 | 14 | 5 | 8,5 | 9,5 | 7,5 | 3 | 4 | 19,6 | 0,108 | 16 |
| 1 | 12 | 13,0 | 12 | 10 | 6,2 | 7,95 | 9,6 | 7,7 | 3 | 5 | 13,2 | 0,035 | 3 |
| 1 | 16 | 17,4 | 16 | 14 | 7 | 10 | 11,2 | 8,7 | 4 | 5 | 16 | 0,052 | 9 |
| 1 | 19 | 20,4 | 19 | 15 | 6,5 | 10 | 11,8 | 9,2 | 4 | 5 | 18 | 0,085 | 14 |
| 1 | 20 | 21,4 | 20 | 16 | 6,1 | 10 | 11,4 | 8,8 | 4 | 5 | 18,1 | 0,138 | 15 |
| 1 | 22 | 23,4 | 22 | 18 | 7 | 11 | 12,8 | 9,7 | 4,7 | 5 | 20 | 0,158 | 22 |
| 1 | 26 | 27,4 | 26 | 22 | 7 | 12 | 13,4 | 9,7 | 5,5 | 5 | 22 | 0,193 | 35 |
| 1 | 30 | 31,4 | 30 | 22 | 7 | 14 | 16,0 | 11,7 | 6,4 | 5 | 26 | 0,29 | 50 |
| 1 | 40 | 41,4 | 40 | 30 | 10 | 18 | 19,8 | 15,7 | 6,0 | 8 | 35 | 0,55 | 111 |
| 1,5 | 16 | 26,1 | 24 | 20 | 11 | 15 | 17,3 | 14,1 | 5,1 | 8 | 25 | 0,18 | 32 |
| 1,5 | 20 | 32,1 | 30 | 22 | 9 | 15 | 17,2 | 13,1 | 6,4 | 8 | 27 | 0,34 | 47 |
| 1,5 | 22 | 35,1 | 33 | 20 | 8 | 15 | 17,1 | 12,6 | 7,0 | 8 | 28 | 0,44 | 50 |
| 1,5 | 25 | 39,6 | 37,5 | 25 | 8 | 15 | 17,6 | 12,3 | 8,0 | 10 | 30 | 0,62 | 70 |
| 1,5 | 30 | 47,1 | 45 | 30 | 12 | 20 | 21,9 | 15,6 | 9,6 | 10 | 37 | 1,01 | 135 |
| 1,5 | 40 | 62,1 | 60 | 40 | 12 | 25 | 27,7 | 19,1 | 12,7 | 15 | 48 | 2,46 | 310 |
| 2 | 16 | 34,8 | 32 | 25 | 11,5 | 18 | 20,7 | 16,4 | 6,8 | 10 | 31 | 0,45 | 66 |
| 2 | 20 | 42,8 | 40 | 30 | 10 | 17 | 19,9 | 14,4 | 8,5 | 10 | 33 | 0,84 | 104 |
| 2 | 22 | 46,8 | 44 | 30 | 10 | 19 | 21,0 | 15,4 | 9,3 | 10 | 36 | 1,08 | 130 |
| 2 | 25 | 52,8 | 50 | 35 | 8 | 19 | 21,4 | 14,4 | 10,6 | 10 | 38 | 1,50 | 182 |
| 2 | 30 | 62,8 | 60 | 40 | 12 | 25 | 26,9 | 18,4 | 12,7 | 15 | 47 | 2,45 | 306 |
| 2 | 40 | 82,8 | 80 | 50 | 15 | 31 | 33,7 | 23,4 | 15,2 | 20 | 62 | 16,3 | 660 |
| 2,5 | 16 | 43,7 | 40 | 30 | 10 | 21 | 23,8 | 16,8 | 11 | 10 | 35 | 2,6 | 120 |
| 2,5 | 18 | 48,7 | 45 | 30 | 10 | 22 | 25,0 | 17,4 | 12 | 10 | 38 | 3,6 | 150 |
| 2,5 | 20 | 53,7 | 50 | 35 | 10 | 22 | 25,9 | 16,9 | 14 | 10 | 40 | 4,9 | 210 |
| 2,5 | 22 | 58,7 | 55 | 30 | 10 | 24 | 27,1 | 17,3 | 15 | 10 | 43 | 6,3 | 240 |
| 2,5 | 25 | 66,2 | 62,5 | 45 | 10 | 25 | 28,8 | 17,6 | 17 | 15 | 47 | 9,3 | 370 |
| 2,5 | 30 | 78,7 | 75 | 50 | 12 | 29 | 32,7 | 19,3 | 20 | 15 | 55 | 16,3 | 560 |
| 2,5 | 40 | 103,6 | 100 | 60 | 14 | 31 | 35,4 | 21,8 | 20 | 25 | 70 | 33,6 | 1100 |
| 3 | 16 | 52,4 | 48 | 40 | 12 | 24 | 27,7 | 18,2 | 15 | 10 | 40 | 4,6 | 240 |
| 3 | 18 | 58,4 | 54 | 40 | 10 | 25 | 28,1 | 17,2 | 17 | 10 | 42 | 6,4 | 280 |
| 3 | 20 | 64,4 | 60 | 40 | 10 | 26 | 29,5 | 17,2 | 19 | 15 | 45 | 8,7 | 320 |
| 3 | 22 | 70,4 | 66 | 40 | 8 | 27 | 30,2 | 17,2 | 20 | 15 | 48 | 11,6 | 410 |
| 3 | 25 | 79,4 | 75 | 50 | 10 | 28 | 31,9 | 16,7 | 23 | 15 | 52 | 17,3 | 490 |
| 3 | 30 | 94,4 | 90 | 50 | 12 | 35 | 38,8 | 22,2 | 25 | 20 | 65 | 29,2 | 950 |
| 3 | 40 | 124,4 | 120 | 60 | 15 | 35 | 39,1 | 22,2 | 25 | 25 | 80 | 60,7 | 1600 |
| 4 | 16 | 70,0 | 64 | 50 | 11 | 29 | 32,9 | 21,0 | 19 | 20 | 50 | 11,1 | 420 |
| 4 | 18 | 78,0 | 72 | 50 | 16 | 36 | 41,0 | 27,0 | 22 | 20 | 60 | 15,6 | 640 |
| 4 | 20 | 85,9 | 80 | 50 | 16 | 39 | 43,5 | 28,0 | 24 | 20 | 65 | 20,8 | 810 |
| 4 | 22 | 93,9 | 88 | 50 | 12 | 37 | 40,9 | 24,0 | 26 | 20 | 65 | 27,9 | 940 |
| 4 | 25 | 105,9 | 100 | 60 | 12 | 38 | 42,7 | 23,0 | 30 | 20 | 70 | 41,9 | 1400 |
| 4 | 30 | 125,9 | 120 | 60 | 18 | 42 | 47,9 | 27,9 | 30 | 25 | 85 | 67,5 | 2000 |
| 4 | 40 | 165,8 | 160 | 80 | 20 | 48 | 53,2 | 32,9 | 30 | 30 | 110 | 138,0 | 4200 |
| 5 | 16 | 87,4 | 80 | 60 | 12 | 36 | 41,5 | 25,7 | 25 | 20 | 62 | 22,2 | 860 |
| 5 | 18 | 97,4 | 90 | 60 | 12 | 37 | 42,2 | 23,7 | 29 | 20 | 65 | 30,7 | 1050 |
| 5 | 20 | 107,4 | 100 | 60 | 12 | 39 | 44,4 | 23,7 | 32 | 25 | 70 | 42,7 | 1300 |
| 5 | 22 | 117,5 | 110 | 70 | 12 | 43 | 48,5 | 25,7 | 35 | 25 | 77 | 57,5 | 1840 |
| 5 | 25 | 132,4 | 125 | 70 | 12 | 42 | 47,5 | 21,2 | 40 | 30 | 80 | 85,8 | 2140 |
| 5 | 30 | 157,4 | 150 | 70 | 12 | 44 | 51,3 | 24,7 | 40 | 30 | 96 | 139,5 | 3520 |
| 5 | 40 | 207,3 | 200 | 90 | 20 | 52 | 60 | 32,9 | 40 | 35 | 128,1 | 288,0 | 7060 |
| 6 | 18 | 116,5 | 108 | 60 | 15 | 44 | 53,6 | 31,3 | 35 | 25 | 81,0 | 54,8 | 1770 |
| 6 | 20 | 128,5 | 120 | 70 | 15 | 44 | 53,5 | 27,8 | 40 | 30 | 83,4 | 76,3 | 2190 |
| 6 | 25 | 158,5 | 150 | 75 | 15 | 51 | 60 | 26,7 | 50 | 30 | 97,3 | 153,4 | 3790 |
| 6 | 30 | 188,5 | 180 | 90 | 15 | 51 | 60 | 26,4 | 50 | 35 | 112,1 | 250,6 | 5810 |
| 6 | 40 | 248,5 | 240 | 100 | 20 | 58 | 67 | 32,9 | 50 | 40 | 148,6 | 555,0 | 11600 |
| 8 | 20 | 171,3 | 160 | 90 | 15 | 52 | 62 | 29,20 | 50 | 40 | 103,3 | 181,6 | 4560 |
Différents types d'engrenages coniques
Engrenages coniques droits
Les engrenages coniques droits sont les plus simples. Leurs dents droites sont parallèles à la génératrice du cône primitif. Ils sont utilisés dans des applications à vitesses élevées et charges faibles à moyennes. Cependant, en raison de l'engrènement brutal des dents, les engrenages coniques droits peuvent générer plus de bruit que d'autres types d'engrenages coniques.
Engrenages coniques à spirale
Les engrenages coniques à denture spirale possèdent des dents incurvées obliques par rapport à la génératrice du cône primitif. L'angle de spirale des dents assure un engrènement progressif et régulier, ce qui se traduit par un fonctionnement plus silencieux et une capacité de charge supérieure à celle des engrenages coniques droits. Les engrenages coniques à denture spirale sont couramment utilisés dans les différentiels automobiles et les applications industrielles exigeant des vitesses élevées et des charges importantes.
Engrenages coniques hypoïdes
Les engrenages hypoïdes sont similaires aux engrenages coniques à denture spirale, à une différence notable près : leurs cônes primitifs ne se croisent pas. Leurs axes sont décalés, ce qui permet des diamètres de pignon plus importants et un meilleur contact entre les dents. Cette configuration décalée offre plusieurs avantages, tels qu'une capacité de couple plus élevée, un niveau sonore réduit et une conception plus compacte. Les engrenages hypoïdes sont fréquemment utilisés dans les essieux arrière automobiles et les réducteurs industriels.
Engrenages coniques Zerol
Les engrenages coniques Zerol sont un cas particulier d'engrenages coniques à denture hélicoïdale, où l'angle d'hélice est nul. Cela signifie que les dents sont parallèles à l'axe de rotation, comme pour les engrenages coniques droits. Cependant, contrairement à ces derniers, les engrenages coniques Zerol possèdent un profil de dent incurvé qui permet un engrènement progressif et en douceur. Ils offrent un compromis entre les avantages des engrenages coniques droits et hélicoïdaux, assurant une capacité de charge accrue et un fonctionnement plus silencieux.
Engrenages à onglet
Les engrenages coniques à denture droite sont un type particulier d'engrenage conique dont les deux dents ont le même nombre de dents et dont l'angle d'arbre est de 90°. Cette configuration offre un rapport de transmission de 1:1, ce qui rend les engrenages coniques à denture droite idéaux pour les applications nécessitant un changement de sens de rotation sans modification de la vitesse ni du couple. Ces engrenages peuvent avoir des dents droites, hélicoïdales ou Zerol.
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| Engrenages coniques droits | Engrenages coniques à spirale |
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| Engrenages coniques Zerol | Engrenages coniques hypoïdes |
Steel Miter Bevel Gear Design Features
- 1:1 Gear Ratio
The steel miter bevel gears are specifically designed with a 1:1 gear ratio. This ensures that the input and output shafts rotate at the same speed, making them ideal for applications requiring equal torque and consistent angular velocity transmission. - Configuration des dents droites
These gears feature straight, radially aligned teeth that allow smooth engagement and efficient power transfer. The simplicity of the straight tooth design reduces manufacturing complexity while providing reliable performance in applications with moderate speed and load requirements. - Durable Steel Construction
Made from high-strength steel, these gears are designed to withstand heavy loads, high torque, and wear over time. The material's durability and resistance to deformation ensure long operational life even in demanding industrial or mechanical environments. - 90-Degree Shaft Orientation
Steel miter bevel gears are engineered to transmit motion between intersecting shafts at a 90-degree angle. This specific design feature enables compact mechanical setups and efficient power transfer in systems where angular motion is required. - Conception compacte et légère
Despite their robust construction, the gears are designed to be compact and lightweight, making them suitable for space-constrained applications. This feature enhances their versatility, allowing them to fit seamlessly into both large industrial machines and smaller devices. - Precision Machining for Accuracy
The design incorporates precision machining to achieve high accuracy in tooth alignment and surface finish. This ensures minimal backlash, smooth operation, and consistent power transmission, which is critical for applications requiring precise motion control and reliability.

Steel Miter Bevel Gear Applications
- Machines industrielles
Steel miter bevel gears are used in industrial machines such as conveyors, mixers, and printing presses. They efficiently transmit power at right angles, ensuring smooth operation in applications requiring constant speed and torque consistency in compact mechanical layouts. - Automotive Systems
These gears are essential in automotive differentials, enabling wheels to rotate at different speeds during cornering. Their ability to handle high torque and operate at 90-degree angles makes them a key component in drivetrain systems for improved vehicle handling and performance. - Robotique et automatisation
In robotics, steel miter bevel gears provide precise motion transfer between axes, crucial for robotic arms and automated systems. Their high durability and accuracy help maintain consistent functionality in repetitive operations, even under heavy loads or continuous use. - Ingénierie aérospatiale
Aerospace systems use steel miter bevel gears in control mechanisms, landing gear systems, and actuators. Their reliability and ability to function in extreme conditions make them ideal for transmitting power in critical systems where performance and safety are paramount. - Marine Equipment
In marine applications, these gears are found in steering mechanisms, winches, and propulsion systems. Their corrosion-resistant steel construction ensures longevity in harsh environments while maintaining precise power transmission between intersecting shafts under heavy loads. - Power Tools and Equipment
Steel miter bevel gears are integral to power tools like drills, grinders, and saws, where angular motion transfer is needed. Their compact size, strength, and efficiency allow power tools to operate reliably, even under high-speed or high-torque conditions.
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| Engrenages coniques pour l'industrie automobile | Engrenages coniques pour l'industrie maritime |
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| Bevel Gear for Aerospace Industry | Bevel Gear for Robotics Industry |
Informations complémentaires
| Édité par | Yjx |
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