スチールスパイラルベベルギア 歯数比1:1~4:1 スパイラル歯システム

Steel spiral bevel gears with a ratio of 1.2:1 to 1.6:1 and a spiral tooth system are conical gears designed to transmit power between intersecting shafts, typically at a 90-degree angle. The spiral tooth design, with curved and angled teeth (often 35° spiral angle), ensures smoother and quieter operation compared to straight bevel gears due to gradual tooth engagement and higher contact ratios. These steel bevel gears are made from high-strength carbon or alloy steels like 42CrMo4 or 16MnCr5, suitable for moderate speed reductions in applications like automotive differentials or industrial machinery.

Steel spiral bevel gears with a ratio of 1:1 to 4:1 and a spiral tooth system are conical gears designed to transmit power between intersecting shafts, typically at a 90-degree angle. The spiral tooth design, with curved and angled teeth (often 35° spiral angle), ensures smoother and quieter operation compared to straight bevel gears due to gradual tooth engagement and higher contact ratios. These gears are made from high-strength carbon or alloy steels like 42CrMo4 (for modules up to 1.5) or 16MnCr5 (for modules 2.0 and above), with hardened teeth for durability. The gear ratio, calculated as the number of teeth on the driven gear divided by the pinion, ranges from 1:1 to 4:1, making them suitable for moderate speed reductions in applications like automotive differentials or industrial machinery.

Steel Spiral Bevel Gears

Steel Spiral Bevel Gear Ratio 1:1

Steel Spiral Bevel GearSteel Spiral Bevel Gear Dimensions
モジュール番号
歯の
d1つのdNDオランダL1LS1)bBH7E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
0,61615,815,5104,5910,07,73,35150,6412
0,62016,916,5126,51112,09,245171,2719
0,62523,322,5197,21213,49,266202,150
0,63027,8272271314,99,978233,075
0,63532,331,5257,21516,310,688263,5116
11625,424177,513,515,9511,766232,555
12031,430258,41517,311,788266,3112
12538,937,52581619,011,910103010,0155
13046,4453081921,713,212103514,3278
1,32041,840307,31920,712,911103214,8222
1,32551,8503081921,811,914103618,5326
1,33061,8603582124,212,916124231,5530
1,51841,739,63081720,313,210103215,9209
1,52454,952,83582022,612,714103821,2408
1,52863,761,64082023,213,314124334,5576
2,28812171,57045152832,2222,515165570973
2,2362479,07845152932,4823,7141660731200
22682,08055203537,7326,8161665421581
2,51990,08856183436,9123,52020651851700
2,52498,09654163237,224,51920701882000
321103,010068173643,427,72325752402600
324115,011264183441,726,72225802602800
3,524131,012872203846,1529,52530903964200
3,526144,014085305762,343,028301102387300

Steel Spiral Bevel Gear Ratio 1.214:1

Steel Spiral Bevel GearsSteel Spiral Bevel Gear Dimensions
モジュール番号
歯の
d1つのdNDオランダL1LSbBH7E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
1,51441,038,722 11 21,124,315,411,51238,014,1236
1,51748,947,0301120,923,916,611,51534,817,1236

Steel Spiral Bevel Gear Ratio 1.385:1

Steel Spiral Bevel GearsSteel Spiral Bevel Gear Dimensions
モジュール番号
歯の
d1つのdNDオランダL1LSbBH7E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
1,51336,733,9221121,624,116,0101238,511,3216
1,51848,547,0301120,924,718,910 1534,815,7216

Steel Spiral Bevel Gear Ratio 1.5:1

Steel Spiral Bevel GearsSteel Spiral Bevel Gear Dimensions
モジュール番号
歯の
d1つのdNDオランダL1LSbBH7E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
0,62220,819,81771314,38,576232,2  116
0,63330,329,72081415,511,678213,3  116
12031,6302581718,310,0108328,1166
13046,3453081719,514,010102812,2166
1,31634,3322581819,910,71183411,9220
1,32449,4483081821,115,011103017,9220
1,51637,835,83081718,810,510103614,3273
1,52454,452,83581721,115,610103221,5273
21653,0503561821,3712,8111048,4541,0561
22476,07539152427,5321,711164561,5561
2,51667,06440142531,8919,9161665841300
2,52497,59654142328,6620,11620501261300
31679,07650152835,7121,91920751601682
324115,011464182834,6924,81925602401682

Steel Spiral Bevel Gear Ratio 1.615:1

Steel Spiral Bevel GearsSteel Spiral Bevel Gear Dimensions
モジュール番号
歯の
d1つのdNDオランダL1LSbBH7E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
11320,818,6168,21213,99,358242,445
12130,830,020610,512,09,3510183,945

Steel Spiral Bevel Gear Ratio 2:1

Steel Spiral Bevel GearSteel Spiral Bevel Gear Dimensions
モジュール番号
歯の
d1つのdNDオランダL1LSbBH7E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
0,62220,819,8167,41515,68,586282,3 116
0,64440,139,62581517,213,6810234,6 116
12031,8302581920,29,4128399,8 323
14060,9604081821,215,912123019,6 323
1,31634,4322572022,19,61484112,0397
1,33265,1644082023,317,114123224,0397
1,51638,035,2308,41921,210,512104514,4435
1,53271,770,44581721,015,712123228,8435
2,2691244,041,5301228,2328,2317,615125510,1846
2,2692483,08350152732,4126,015164520,2846
2,3211347,04530153033,021,7151063,6549818
2,3212691,09040223035,529,815165098818
2,51157,052,5401536,7236,7219,720167017,82000
2,522106,010570203944,6535,820206035,62000
2,51359,05639153438,3722,9201675,13951400
2,526113,011254213037,7229,02025551901400
31368,06445163741,9524,9222084,621332000
326128,012854203239,930,62225602662000
31476,072,5552551,4651,4632,025201006444800
328146,014590255057,146,22530801284800
3,51377,07254123439,821,1242088,381972800
3,526146,014464 2538  47,1 36,52430 703942800

Steel Spiral Bevel Gear Ratio 2.066:1

Steel Spiral Bevel GearSteel Spiral Bevel Gear Dimensions
モジュール番号
歯の
d1つのdNDオランダL1LSbBH7E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
11524,121,819613,213,37,07829,03,6112
13145,645,024814,016,313,271023,57,4112

Steel Spiral Bevel Gear Ratio 2.5:1

Steel Spiral Bevel GearSteel Spiral Bevel Gear Dimensions
モジュール番号
歯の
d1つのdNDオランダL1LSbBH7E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
0,62220,919,8166,81616,77,5106322,6172
0,65549,949,53081619,315,61010256,5172
1,02031,830258,42122,89,8148479,9355
1,05075,7755081821,115,914123024,8355
1,31430,528228,72021,610,51284511,3420
1,33570,9704581821,617,112123028,2420
1,51638,035,2307,52021,69,613105314,5624
1,54089,1886081620,615,813153236,3624
3,6 962,054,784014,173438,3520,9211687,061502400
3,623141,014070354552,5345,02130703832400

Steel Spiral Bevel Gear Ratio 3:1

Steel Spiral Bevel GearSteel Spiral Bevel Gear Dimensions
モジュール番号
歯の
d1つのdNDオランダL1LSbBH7E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
0,62019,118157,517,717,78,2106352,1175
0,66054,3544581619,716,61010256,3175
11626,124208,32222,69,3148455,8380
14872,5725081821,316,814122817,4380
1,31125,1221961717,97,5118407,7320
1,33366,6604081720,416,911122723,1320
1,51026,0221781920,19,6118429,1380
1,53066,6664081721,317,811122827,3380
2,2291936,53222112425,815,413860,5228638
2,22912796,09648192529,525,513204084638
2,5736942,037,5271226,528,6415,1151269,84461100
2,573627113,0112,554243238,4133,91525501381100
3,5959,052,540123336,218,9221692,641322700
3,527158,5157,570294047,941,22230653962700

Steel Spiral Bevel Gear Ratio 4:1

Steel Spiral Bevel GearSteel Spiral Bevel Gear Dimensions
モジュール番号
歯の
d1つのdNDオランダL1LSbBH7E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
11625,924207,32121,88,2148567,8842
16496,5967081922,41914203031,2842
1,51127,824,22081920,7 91285711,3775
1,54497,396,87081721,91912203045,2775

Advantages of Steel Spiral Bevel Gears

1. High Torque Capacity

One of the key advantages of 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.

2. Compact Design

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.

3. Smooth and Quiet Operation

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.

4. 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 Steel Spiral Bevel Gears

1. Higher Manufacturing Complexity

One of the main disadvantages of 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.

2. 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.

3. 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.

4. 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.

Steel Spiral Bevel Gears

ベベルギアの主要寸法と角度

ベベルギアは、さまざまな重要な寸法と角度によって特徴付けられる複雑な機械部品です。

A. 基本寸法の詳細な検討

ベベルギアの全体的な形状とサイズは、いくつかの重要な寸法によって決まります。

  • ピッチ径: This diameter is measured at the heel end of the bevel gear teeth. It represents the effective size of the gear and is a fundamental parameter for gear calculations and design.
  • ピッチコーン角度ピッチコーン角とは、ピッチコーンがギア軸に対して形成する角度のことです。これはギアの歯の向きを定義し、ギアが相手側のピニオンとどのように噛み合うかを決定します。
  • 追補および追補歯先高さはピッチコーンより上の歯の高さであり、歯底高さはピッチコーンより下の歯の深さです。これら2つを合わせて、歯の全深さが定義されます。歯先高さと歯底高さは、通常、歯車モジュールに比例して指定されます。
  • 面幅歯幅とは、ピッチコーンの母線に沿ってかかとからつま先まで測った歯の大きさを指します。歯幅は歯の強度と耐荷重に影響します。一般的に、歯幅が広いほどトルク伝達が大きくなります。
  • コーンの距離円錐距離とは、ピッチ円錐の頂点からベベルギアの中央面までの長さを表します。これは、組み立て時にギアを相手側のピニオンに対して位置決めするための重要な寸法です。
  • 頂点距離頂点距離は、ギア軸からピッチコーンの頂点までのオフセットを測定します。これは、ギア間の理論上の噛み合い点を特定するのに役立ちます。

Steel Spiral Bevel Gears

B. 基本的なベベルギアの角度

線形寸法に加えて、いくつかの角度もベベルギアの形状を定義する上で重要です。

  • 顔の角度:フェースコーンの母線と歯車軸との間の角度。これは、歯車の歯の外側端が回転軸に対してどの角度になるかを決定します。
  • エッジ角度外側の円錐母線と歯車軸の間で測定されるエッジ角度は、歯の頂点に最も近い内側の端の傾斜を定義します。
  • 付録アングルこれは歯先部の角度に相当するもので、歯面角度から外縁までの角度で歯の高さを定義します。
  • 歯底角度同様に、歯底角は、歯槽頂から歯根までの角度的な歯の深さを測定します。

C. 反発

バックラッシュとは、噛み合う2つの歯車の歯の間の隙間、つまり遊びのことです。潤滑油の供給、製造公差、熱膨張に対応するためには、ある程度のバックラッシュが必要です。しかし、バックラッシュが大きすぎると、騒音、振動、位置決め精度の低下を引き起こす可能性があります。バックラッシュは通常、専用工具を使用して最も噛み合いのきつい部分で測定するか、歯車を固定した状態で角度方向の遊びを評価することによって測定されます。

D. モジュール

歯車のモジュールは、歯のサイズを示す標準化された単位です。これは、ピッチ直径と歯数の比として定義されます。ベベルギアの場合、モジュールは通常、製造上の都合でヒールエンドで指定されます。モジュール値が大きいほど歯は大きく粗くなり、ピッチが細かいギアほどモジュール値は小さくなります。

Bevel Gear

追加情報

編集者

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