Product Description
SPROCKET 1/2” X 5/16” 08B SERIES SPROCKETS
| For Chain Acc.to DIN8187 ISO/R 606 | |||||
| Tooth Radius r3 | 13.0mm | ||||
| Radius Width C | 1.3mm | ||||
| Tooth Width b1 | 7.0mm | ||||
| Tooth Width B1 | 7.2mm | ||||
| Tooth Width B2 | 21.0mm | ||||
| Tooth Width B3 | 34.9mm | ||||
| 08B SERIES ROLLER CHAINS | |||||
| Pitch | 12.7 mm | ||||
| Internal Width | 7.75 mm | ||||
| Roller Diameter | 8.51 mm | ||||
| Z | de | dp | SIMPLEX | DUPLEX | TRIPLEX |
| D1 | D2 | D3 | |||
| 8 | 37.2 | 33.18 | 8 | 10 | 10 |
| 9 | 41.0 | 37.13 | 8 | 10 | 10 |
| 10 | 45.2 | 41.10 | 8 | 10 | 10 |
| 11 | 48.7 | 45.07 | 10 | 10 | 12 |
| 12 | 53.0 | 49.07 | 10 | 10 | 12 |
| 13 | 57.4 | 53.06 | 10 | 10 | 12 |
| 14 | 61.8 | 57.07 | 10 | 10 | 12 |
| 15 | 65.5 | 61.09 | 10 | 10 | 12 |
| 16 | 69.5 | 65.10 | 10 | 12 | 16 |
| 17 | 73.6 | 69.11 | 10 | 12 | 16 |
| 18 | 77.8 | 73.14 | 10 | 12 | 16 |
| 19 | 81.7 | 77.16 | 10 | 12 | 16 |
| 20 | 85.8 | 81.19 | 10 | 12 | 16 |
| 21 | 89.7 | 85.22 | 12 | 16 | 16 |
| 22 | 93.8 | 89.24 | 12 | 16 | 16 |
| 23 | 98.2 | 93.27 | 12 | 16 | 16 |
| 24 | 101.8 | 97.29 | 12 | 16 | 16 |
| 25 | 105.8 | 101.33 | 12 | 16 | 16 |
| 26 | 110.0 | 105.36 | 16 | 16 | 16 |
| 27 | 114.0 | 109.40 | 16 | 16 | 16 |
| 28 | 118.0 | 113.42 | 16 | 16 | 16 |
| 29 | 122.0 | 117.46 | 16 | 16 | 16 |
| 30 | 126.1 | 121.50 | 16 | 16 | 16 |
| 31 | 130.2 | 125.54 | 16 | 16 | 20 |
| 32 | 134.3 | 129.56 | 16 | 16 | 20 |
| 33 | 138.4 | 133.60 | 16 | 16 | 20 |
| 34 | 142.6 | 137.64 | 16 | 16 | 20 |
| 35 | 146.7 | 141.68 | 16 | 16 | 20 |
| 36 | 151.0 | 145.72 | 16 | 20 | 20 |
| 37 | 154.6 | 149.76 | 16 | 20 | 20 |
| 38 | 158.6 | 153.80 | 16 | 20 | 20 |
| 39 | 162.7 | 157.83 | 16 | 20 | 20 |
| 40 | 166.8 | 161.87 | 16 | 20 | 20 |
| 41 | 171.4 | 165.91 | 20 | 20 | 25 |
| 42 | 175.4 | 169.94 | 20 | 20 | 25 |
| 43 | 179.7 | 173.98 | 20 | 20 | 25 |
| 44 | 183.8 | 178.02 | 20 | 20 | 25 |
| 45 | 188.0 | 182.07 | 20 | 20 | 25 |
| 46 | 192.1 | 186.10 | 20 | 20 | 25 |
| 47 | 196.2 | 190.14 | 20 | 20 | 25 |
| 48 | 200.3 | 194.18 | 20 | 20 | 25 |
| 49 | 204.3 | 198.22 | 20 | 20 | 25 |
| 50 | 208.3 | 202.26 | 20 | 20 | 25 |
| 51 | 212.1 | 206.30 | 20 | 25 | 25 |
| 52 | 216.1 | 210.34 | 20 | 25 | 25 |
| 53 | 220.2 | 214.37 | 20 | 25 | 25 |
| 54 | 224.1 | 218.43 | 20 | 25 | 25 |
| 55 | 228.1 | 222.46 | 20 | 25 | 25 |
| 56 | 232.2 | 226.50 | 20 | 25 | 25 |
| 57 | 236.4 | 230.54 | 20 | 25 | 25 |
| 58 | 240.5 | 234.58 | 20 | 25 | 25 |
| 59 | 244.5 | 238.62 | 20 | 25 | 25 |
| 60 | 248.6 | 242.66 | 20 | 25 | 25 |
| 62 | 256.9 | 250.74 | 25 | 25 | 25 |
| 64 | 265.1 | 258.82 | 25 | 25 | 25 |
| 65 | 269.0 | 262.86 | 25 | 25 | 25 |
| 66 | 273.0 | 266.91 | 25 | 25 | 25 |
| 68 | 281.0 | 274.99 | 25 | 25 | 25 |
| 70 | 289.0 | 283.07 | 25 | 25 | 25 |
| 72 | 297.2 | 291.15 | 25 | 25 | 25 |
| 75 | 309.2 | 303.28 | 25 | 25 | 25 |
| 76 | 313.2 | 307.32 | 25 | 25 | 25 |
| 78 | 321.4 | 315.40 | 25 | 25 | 25 |
| 80 | 329.4 | 323.49 | 25 | 25 | 25 |
| 85 | 349.0 | 343.69 | 25 | 25 | 25 |
| 90 | 369.9 | 363.90 | 25 | 25 | 25 |
| 95 | 390.1 | 384.11 | 25 | 25 | 25 |
| 100 | 410.3 | 404.32 | 25 | 25 | 25 |
| 110 | 450.7 | 444.74 | 25 | 25 | 25 |
| 114 | 466.9 | 460.91 | 25 | 25 | 25 |
| 120 | 491.2 | 485.16 | 25 | 25 | 25 |
| 125 | 511.3 | 505.37 | 25 | 25 | 25 |
BASIC INFO.
|
Type: |
Simplex, Duplex, Triplex |
|
Sprocket Model: |
3/8″,1/2″,5/8″,3/4″,1″,1.25″,1.50″,1.75″,2.00″,2.25″,2.00″,2.25″,2.50″, 3″ |
|
Teeth Number: |
9-100 |
|
Standard: |
ANSI , JIS, DIN, ISO |
|
Material: |
1571, 1045, SS304 , SS316; As Per User Request. |
|
Performance Treatment: |
Carburizing, High Frequency Treatment, Hardening and Tempering, Nitriding |
|
Surface Treatment: |
Black of Oxidation, Zincing, Nickelage. |
| Characteristic | Fire Resistant, Oil Resistant, Heat Resistant, CZPT resistance, Oxidative resistance, Corrosion resistance, etc |
| Design criterion | ISO DIN ANSI & Customer Drawings |
| Application | Industrial transmission equipment |
| Package | Wooden Case / Container and pallet, or made-to-order |
|
Certification: |
ISO9001 SGS |
|
Quality Inspection: |
Self-check and Final-check |
|
Sample: |
ODM&OEM, Trial Order Available and Welcome |
| Advantage | Quality first, Service first, Competitive price, Fast delivery |
| Delivery Time | 10 days for samples. 15 days for official order. |
INSTALLATION AND USING
The chain spocket, as a drive or deflection for chains, has pockets to hold the chain links with a D-profile cross section with flat side surfaces parallel to the centre plane of the chain links, and outer surfaces at right angles to the chain link centre plane. The chain links are pressed firmly against the outer surfaces and each of the side surfaces by the angled laying surfaces at the base of the pockets, and also the support surfaces of the wheel body together with the end sides of the webs formed by the leading and trailing walls of the pocket.
NOTICE
When fitting new chainwheels it is very important that a new chain is fitted at the same time, and vice versa. Using an old chain with new sprockets, or a new chain with old sprockets will cause rapid wear.
It is important if you are installing the chainwheels yourself to have the factory service manual specific to your model. Our chainwheels are made to be a direct replacement for your OEM chainwheels and as such, the installation should be performed according to your models service manual.
During use a chain will stretch (i.e. the pins will wear causing extension of the chain). Using a chain which has been stretched more than the above maximum allowance causes the chain to ride up the teeth of the sprocket. This causes damage to the tips of the chainwheels teeth, as the force transmitted by the chain is transmitted entirely through the top of the tooth, rather than the whole tooth. This results in severe wearing of the chainwheel.
FOR CHAIN STHangZhouRDS
Standards organizations (such as ANSI and ISO) maintain standards for design, dimensions, and interchangeability of transmission chains. For example, the following Table shows data from ANSI standard B29.1-2011 (Precision Power Transmission Roller Chains, Attachments, and Sprockets) developed by the American Society of Mechanical Engineers (ASME). See the references[8][9][10] for additional information.
ASME/ANSI B29.1-2011 Roller Chain Standard SizesSizePitchMaximum Roller DiameterMinimum Ultimate Tensile StrengthMeasuring Load25
| ASME/ANSI B29.1-2011 Roller Chain Standard Sizes | ||||
| Size | Pitch | Maximum Roller Diameter | Minimum Ultimate Tensile Strength | Measuring Load |
|---|---|---|---|---|
| 25 | 0.250 in (6.35 mm) | 0.130 in (3.30 mm) | 780 lb (350 kg) | 18 lb (8.2 kg) |
| 35 | 0.375 in (9.53 mm) | 0.200 in (5.08 mm) | 1,760 lb (800 kg) | 18 lb (8.2 kg) |
| 41 | 0.500 in (12.70 mm) | 0.306 in (7.77 mm) | 1,500 lb (680 kg) | 18 lb (8.2 kg) |
| 40 | 0.500 in (12.70 mm) | 0.312 in (7.92 mm) | 3,125 lb (1,417 kg) | 31 lb (14 kg) |
| 50 | 0.625 in (15.88 mm) | 0.400 in (10.16 mm) | 4,880 lb (2,210 kg) | 49 lb (22 kg) |
| 60 | 0.750 in (19.05 mm) | 0.469 in (11.91 mm) | 7,030 lb (3,190 kg) | 70 lb (32 kg) |
| 80 | 1.000 in (25.40 mm) | 0.625 in (15.88 mm) | 12,500 lb (5,700 kg) | 125 lb (57 kg) |
| 100 | 1.250 in (31.75 mm) | 0.750 in (19.05 mm) | 19,531 lb (8,859 kg) | 195 lb (88 kg) |
| 120 | 1.500 in (38.10 mm) | 0.875 in (22.23 mm) | 28,125 lb (12,757 kg) | 281 lb (127 kg) |
| 140 | 1.750 in (44.45 mm) | 1.000 in (25.40 mm) | 38,280 lb (17,360 kg) | 383 lb (174 kg) |
| 160 | 2.000 in (50.80 mm) | 1.125 in (28.58 mm) | 50,000 lb (23,000 kg) | 500 lb (230 kg) |
| 180 | 2.250 in (57.15 mm) | 1.460 in (37.08 mm) | 63,280 lb (28,700 kg) | 633 lb (287 kg) |
| 200 | 2.500 in (63.50 mm) | 1.562 in (39.67 mm) | 78,175 lb (35,460 kg) | 781 lb (354 kg) |
| 240 | 3.000 in (76.20 mm) | 1.875 in (47.63 mm) | 112,500 lb (51,000 kg) | 1,000 lb (450 kg |
For mnemonic purposes, below is another presentation of key dimensions from the same standard, expressed in fractions of an inch (which was part of the thinking behind the choice of preferred numbers in the ANSI standard):
| Pitch (inches) | Pitch expressed in eighths |
ANSI standard chain number |
Width (inches) |
|---|---|---|---|
| 1⁄4 | 2⁄8 | 25 | 1⁄8 |
| 3⁄8 | 3⁄8 | 35 | 3⁄16 |
| 1⁄2 | 4⁄8 | 41 | 1⁄4 |
| 1⁄2 | 4⁄8 | 40 | 5⁄16 |
| 5⁄8 | 5⁄8 | 50 | 3⁄8 |
| 3⁄4 | 6⁄8 | 60 | 1⁄2 |
| 1 | 8⁄8 | 80 | 5⁄8 |
Notes:
1. The pitch is the distance between roller centers. The width is the distance between the link plates (i.e. slightly more than the roller width to allow for clearance).
2. The right-hand digit of the standard denotes 0 = normal chain, 1 = lightweight chain, 5 = rollerless bushing chain.
3. The left-hand digit denotes the number of eighths of an inch that make up the pitch.
4. An “H” following the standard number denotes heavyweight chain. A hyphenated number following the standard number denotes double-strand (2), triple-strand (3), and so on. Thus 60H-3 denotes number 60 heavyweight triple-strand chain.
A typical bicycle chain (for derailleur gears) uses narrow 1⁄2-inch-pitch chain. The width of the chain is variable, and does not affect the load capacity. The more sprockets at the rear wheel (historically 3-6, nowadays 7-12 sprockets), the narrower the chain. Chains are sold according to the number of speeds they are designed to work with, for example, “10 speed chain”. Hub gear or single speed bicycles use 1/2″ x 1/8″ chains, where 1/8″ refers to the maximum thickness of a sprocket that can be used with the chain.
Typically chains with parallel shaped links have an even number of links, with each narrow link followed by a broad one. Chains built up with a uniform type of link, narrow at 1 and broad at the other end, can be made with an odd number of links, which can be an advantage to adapt to a special chainwheel-distance; on the other side such a chain tends to be not so strong.
Roller chains made using ISO standard are sometimes called as isochains.
WHY CHOOSE US
1. Reliable Quality Assurance System
2. Cutting-Edge Computer-Controlled CNC Machines
3. Bespoke Solutions from Highly Experienced Specialists
4. Customization and OEM Available for Specific Application
5. Extensive Inventory of Spare Parts and Accessories
6. Well-Developed CZPT Marketing Network
7. Efficient After-Sale Service System
The 219 sets of advanced automatic production equipment provide guarantees for high product quality. The 167 engineers and technicians with senior professional titles can design and develop products to meet the exact demands of customers, and OEM customizations are also available with us. Our sound global service network can provide customers with timely after-sales technical services.
We are not just a manufacturer and supplier, but also an industry consultant. We work pro-actively with you to offer expert advice and product recommendations in order to end up with a most cost effective product available for your specific application. The clients we serve CZPT range from end users to distributors and OEMs. Our OEM replacements can be substituted wherever necessary and suitable for both repair and new assemblies.
| Standard Or Nonstandard: | Standard |
|---|---|
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, Mining Machinery, Sugar Machinery |
| Hardness: | Hardened Tooth Surface |
| Manufacturing Method: | Cut Gear |
| Toothed Portion Shape: | Spur Gear |
| Material: | Alloy |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Helical, Straight-Cut, and Spiral-Bevel Gears
If you are planning to use bevel gears in your machine, you need to understand the differences between Helical, Straight-cut, and Spiral bevel gears. This article will introduce you to these gears, as well as their applications. The article will also discuss the benefits and disadvantages of each type of bevel gear. Once you know the differences, you can choose the right gear for your machine. It is easy to learn about spiral bevel gears.
Spiral bevel gear
Spiral bevel gears play a critical role in the aeronautical transmission system. Their failure can cause devastating accidents. Therefore, accurate detection and fault analysis are necessary for maximizing gear system efficiency. This article will discuss the role of computer aided tooth contact analysis in fault detection and meshing pinion position errors. You can use this method to detect problems in spiral bevel gears. Further, you will learn about its application in other transmission systems.
Spiral bevel gears are designed to mesh the gear teeth more slowly and appropriately. Compared to straight bevel gears, spiral bevel gears are less expensive to manufacture with CNC machining. Spiral bevel gears have a wide range of applications and can even be used to reduce the size of drive shafts and bearings. There are many advantages to spiral bevel gears, but most of them are low-cost.
This type of bevel gear has three basic elements: the pinion-gear pair, the load machine, and the output shaft. Each of these is in torsion. Torsional stiffness accounts for the elasticity of the system. Spiral bevel gears are ideal for applications requiring tight backlash monitoring and high-speed operations. CZPT precision machining and adjustable locknuts reduce backlash and allow for precise adjustments. This reduces maintenance and maximizes drive lifespan.
Spiral bevel gears are useful for both high-speed and low-speed applications. High-speed applications require spiral bevel gears for maximum efficiency and speed. They are also ideal for high-speed and high torque, as they can reduce rpm without affecting the vehicle’s speed. They are also great for transferring power between two shafts. Spiral bevel gears are widely used in automotive gears, construction equipment, and a variety of industrial applications.
Hypoid bevel gear
The Hypoid bevel gear is similar to the spiral bevel gear but differs in the shape of the teeth and pinion. The smallest ratio would result in the lowest gear reduction. A Hypoid bevel gear is very durable and efficient. It can be used in confined spaces and weighs less than an equivalent cylindrical gear. It is also a popular choice for high-torque applications. The Hypoid bevel gear is a good choice for applications requiring a high level of speed and torque.
The Hypoid bevel gear has multiple teeth that mesh with each other at the same time. Because of this, the gear transmits torque with very little noise. This allows it to transfer a higher torque with less noise. However, it must be noted that a Hypoid bevel gear is usually more expensive than a spiral bevel gear. The cost of a Hypoid bevel gear is higher, but its benefits make it a popular choice for some applications.
A Hypoid bevel gear can be made of several types. They may differ in the number of teeth and their spiral angles. In general, the smaller hypoid gear has a larger pinion than its counterpart. This means that the hypoid gear is more efficient and stronger than its bevel cousin. It can even be nearly silent if it is well lubricated. Once you’ve made the decision to get a Hypoid bevel gear, be sure to read up on its benefits.
Another common application for a Hypoid bevel gear is in automobiles. These gears are commonly used in the differential in automobiles and trucks. The torque transfer characteristics of the Hypoid gear system make it an excellent choice for many applications. In addition to maximizing efficiency, Hypoid gears also provide smoothness and efficiency. While some people may argue that a spiral bevel gear set is better, this is not an ideal solution for most automobile assemblies.
Helical bevel gear
Compared to helical worm gears, helical bevel gears have a small, compact housing and are structurally optimized. They can be mounted in various ways and feature double chamber shaft seals. In addition, the diameter of the shaft and flange of a helical bevel gear is comparable to that of a worm gear. The gear box of a helical bevel gear unit can be as small as 1.6 inches, or as large as eight cubic feet.
The main characteristic of helical bevel gears is that the teeth on the driver gear are twisted to the left and the helical arc gears have a similar design. In addition to the backlash, the teeth of bevel gears are twisted in a clockwise and counterclockwise direction, depending on the number of helical bevels in the bevel. It is important to note that the tooth contact of a helical bevel gear will be reduced by about ten to twenty percent if there is no offset between the two gears.
In order to create a helical bevel gear, you need to first define the gear and shaft geometry. Once the geometry has been defined, you can proceed to add bosses and perforations. Then, specify the X-Y plane for both the gear and the shaft. Then, the cross section of the gear will be the basis for the solid created after revolution around the X-axis. This way, you can make sure that your gear will be compatible with the pinion.
The development of CNC machines and additive manufacturing processes has greatly simplified the manufacturing process for helical bevel gears. Today, it is possible to design an unlimited number of bevel gear geometry using high-tech machinery. By utilizing the kinematics of a CNC machine center, you can create an unlimited number of gears with the perfect geometry. In the process, you can make both helical bevel gears and spiral bevel gears.
Straight-cut bevel gear
A straight-cut bevel gear is the easiest to manufacture. The first method of manufacturing a straight bevel gear was to use a planer with an indexing head. Later, more efficient methods of manufacturing straight bevel gears were introduced, such as the Revacycle system and the Coniflex system. The latter method is used by CZPT. Here are some of the main benefits of using a straight-cut bevel gear.
A straight-cut bevel gear is defined by its teeth that intersect at the axis of the gear when extended. Straight-cut bevel gears are usually tapered in thickness, with the outer part being larger than the inner portion. Straight-cut bevel gears exhibit instantaneous lines of contact, and are best suited for low-speed, static-load applications. A common application for straight-cut bevel gears is in the differential systems of automobiles.
After being machined, straight-cut bevel gears undergo heat treatment. Case carburizing produces gears with surfaces of 60-63 Rc. Using this method, the pinion is 3 Rc harder than the gear to equalize wear. Flare hardening, flame hardening, and induction hardening methods are rarely used. Finish machining includes turning the outer and inner diameters and special machining processes.
The teeth of a straight-cut bevel gear experience impact and shock loading. Because the teeth of both gears come into contact abruptly, this leads to excessive noise and vibration. The latter limits the speed and power transmission capacity of the gear. On the other hand, a spiral-cut bevel gear experiences gradual but less-destructive loading. It can be used for high-speed applications, but it should be noted that a spiral-cut bevel gear is more complicated to manufacture.
Spur-cut bevel gear
CZPT stocks bevel gears in spiral and straight tooth configurations, in a range of ratios from 1.5 to five. They are also highly remachinable except for the teeth. Spiral bevel gears have a low helix angle and excellent precision properties. CZPT stock bevel gears are manufactured using state-of-the-art technologies and know-how. Compared with spur-cut gears, these have a longer life span.
To determine the strength and durability of a spur-cut bevel gear, you can calculate its MA (mechanical advantage), surface durability (SD), and tooth number (Nb). These values will vary depending on the design and application environment. You can consult the corresponding guides, white papers, and technical specifications to find the best gear for your needs. In addition, CZPT offers a Supplier Discovery Platform that allows you to discover more than 500,000 suppliers.
Another type of spur gear is the double helical gear. It has both left-hand and right-hand helical teeth. This design balances thrust forces and provides extra gear shear area. Helical gears, on the other hand, feature spiral-cut teeth. While both types of gears may generate significant noise and vibration, helical gears are more efficient for high-speed applications. Spur-cut bevel gears may also cause similar effects.
In addition to diametral pitch, the addendum and dedendum have other important properties. The dedendum is the depth of the teeth below the pitch circle. This diameter is the key to determining the center distance between two spur gears. The radius of each pitch circle is equal to the entire depth of the spur gear. Spur gears often use the addendum and dedendum angles to describe the teeth.
editor by CX 2023-05-22