Chain No. Pitch Roller diameter Width between inner plates Pin diameter Pin length Inner plate depth Plate thickness Transverse pitch Ultimate 10sile strength Average 10sile strength Weight per piece
P d1
max
b1
min
d2
max
L
max
Lc max h2
max
T
max
Pt Q
min
Q0 q
mm mm mm mm mm mm mm mm mm kN/lbf kN kg/pc
4012 12.700 7.95 7.85 3.96 31.0 32.2 12.00 1.50 14.38 28.2/6409 35.9 0.16
4014 12.700 7.95 7.85 3.96 31.0 32.2 12.00 1.50 14.38 28.2/6409 35.9 0.19
4016 12.700 7.95 7.85 3.96 31.0 32.2 12.00 1.50 14.38 28.2/6409 35.9 0.21
5014 15.875 10.16 9.40 5.08 38.9 40.4 15.09 2.03 18.11 44.4/10091 58.1 0.49
5016 15.875 10.16 9.40 5.08 38.9 40.4 15.09 2.03 18.11 44.4/10091 58.1 0.56
5018 15.875 10.16 9.40 5.08 38.9 40.4 15.09 2.03 18.11 44.4/10091 58.1 0.63
6018 19.050 11.91 12.57 5.94 48.8 50.5 18.00 2.42 22.78 63.6/14455 82.1 1.00
6571 19.050 11.91 12.57 5.94 48.8 50.5 18.00 2.42 22.78 63.6/14455 82.1 1.11
6571 19.050 11.91 12.57 5.94 48.8 50.5 18.00 2.42 22.78 63.6/14455 82.1 1.22
8018 25.400 15.88 15.75 7.92 62.7 64.3 24.00 3.25 29.29 113.4/25773 141.8 2.35
8571 25.400 15.88 15.75 7.92 62.7 64.3 24.00 3.25 29.29 113.4/25773 141.8 2.62
8571 25.400 15.88 15.75 7.92 62.7 64.3 24.00 3.25 29.29 113.4/25773 141.8 2.88
10018 31.750 19.05 18.90 9.53 76.4 80.5 30.00 4.00 35.76 177.0/45717 219.4 4.95
10571 31.750 19.05 18.90 9.53 76.4 80.5 30.00 4.00 35.76 177.0/45717 219.4 4.95
12018 38.100 22.23 25.22 11.10 95.8 99.7 35.70 4.80 45.44 254.0/57727 314.9 8.14
12571 38.100 22.23 25.22 11.10 95.8 99.7 35.70 4.80 45.44 254.0/57727 314.9 8.14

Coupling Chains 4012/4014/4016/5014/5016/5018/6018/6571/6571/8018/8571/8571/10018/12018/12571

Coupling chains are used to connect 2 shafts of a coupler. The chains have a continuous loop made up of master links and pins. This chain is continually in contact with the teeth on both the drive and driven chains. Proper side clearance between sprocket faces is necessary for optimal performance of chain couplers. There are many types of coupling chains. Each type is designed to handle different stresses and loads.

Coupling Chains Size Chart

What Are Coupling Chains?

Coupling chains are an essential part of rotating equipment. They help move large loads, which is useful for mining, farming, and metal manufacturing applications. While the most common kind of chain is the roller chain, coupling chains can extend the life of the roller chain by increasing its 10sile strength and weight capacity.

The chain couplings consist of a pair of identical sprockets connected by duplex roller chains. Plastic chains can also be used, but they require no lubrication and do not have covers. Coupling chains are generally installed off the end of a motor or reducer, where they connect with the machine. A complete coupling consists of 2 hubs and 1 coupling chain. A chain coupling can be used for a variety of applications, depending on the conditions it must operate in. For example, a coupling chain can be made from acetal plastic, which is resistant to grease.

Because coupling chains are relatively low-maintenance and easy to install or remove, they offer an excellent cost-performance ratio. Coupling chains are usually available in various sizes. They are usually mounted on opposite shaft extensions. They must meet specific requirements to be effective, and the chain must maintain a minimum clearance between the 2 sprockets. Coupling chains are also easy to install and remove, and the single connecting pin makes them quick and easy to use.

How to Use a Coupling Chain Properly?

A coupling chain is a mechanical fastener that connects 2 parts. It can be used for a variety of applications, including farming, mining, and metal manufacturing. It’s also used to extend the usable life of roller chains. Roller chains are the most common type of chain used today, but coupling chains have a higher strength and can withstand more stress. Whether you’re using a chain for agricultural applications or industrial applications, it’s important to know how to use 1 properly.

Coupling chains are continuous loops of pins and master links worn over and around the drive and driven chain wheels. As they are constantly in contact with the chain teeth on both wheels, they prevent the couplers from misaligning. Coupling chains can compensate for 2 degrees of misalignment, making them ideal for high-torque and low-speed environments. To maintain proper performance, use a chain coupler that has sufficient side clearance between the sprocket faces.

Coupling chains are a simple mechanism that ensures all machine parts are functioning properly. They are easy to install, replace, and remove. They are a simple, straightforward way to keep your machine running smoothly. Coupling chains can also prevent inconsistencies in performance because they spread torque evenly across the chain. A good coupling chain will ensure that there is no lag time. And since coupling chains are a simple device, they are easy to use and install.

Chains and Sprockets

Chains and sprockets are mechanical devices that allow 2 shafts to rotate in synchronization. These 2 components are made of steel, nylon, or Teflon. There are a few common types of chains and sprockets. The material of these components determines their use and how long they should last.

Whether you need a chain for a bicycle or a sprocket for a conveyor, a chain sprocket is your answer. Chains are widespread and have a long history of use. They have a wide range of uses, from industrial applications to recreation. A bicycle chain is a common part of many other mechanical devices. Depending on the application, there are different types of chains.

For a general CZPT to choosing a chain, check your manual for a chain size chart. There are commonly listed chain sizes as well as sprockets, which are standardized by ANSI. The first digit of a chain’s pitch measures the distance between the rivets. For example, a “5” chain has a pitch of 5 8hs of an inch. A sprocket with a “20” code is a sprocket with 2 strands running parallel to each other.

Ever-power is 1 of the leading mechanical transmission parts manufacturers and suppliers who can offer a wide range of drive chains and sprockets for sale. Contact us now if you are interested!

Additional information

How to Determine the Quality of a Worm Shaft

There are many advantages of a worm shaft. It is easier to manufacture, as it does not require manual straightening. Among these benefits are ease of maintenance, reduced cost, and ease of installation. In addition, this type of shaft is much less prone to damage due to manual straightening. This article will discuss the different factors that determine the quality of a worm shaft. It also discusses the Dedendum, Root diameter, and Wear load capacity.
worm shaft

Root diameter

There are various options when choosing worm gearing. The selection depends on the transmission used and production possibilities. The basic profile parameters of worm gearing are described in the professional and firm literature and are used in geometry calculations. The selected variant is then transferred to the main calculation. However, you must take into account the strength parameters and the gear ratios for the calculation to be accurate. Here are some tips to choose the right worm gearing.
The root diameter of a worm gear is measured from the center of its pitch. Its pitch diameter is a standardized value that is determined from its pressure angle at the point of 0 gearing correction. The worm gear pitch diameter is calculated by adding the worm’s dimension to the nominal center distance. When defining the worm gear pitch, you have to keep in mind that the root diameter of the worm shaft must be smaller than the pitch diameter.
Worm gearing requires teeth to evenly distribute the wear. For this, the tooth side of the worm must be convex in the normal and centre-line sections. The shape of the teeth, referred to as the evolvent profile, resembles a helical gear. Usually, the root diameter of a worm gear is more than a quarter inch. However, a half-inch difference is acceptable.
Another way to calculate the gearing efficiency of a worm shaft is by looking at the worm’s sacrificial wheel. A sacrificial wheel is softer than the worm, so most wear and tear will occur on the wheel. Oil analysis reports of worm gearing units almost always show a high copper and iron ratio, suggesting that the worm’s gearing is ineffective.

Dedendum

The dedendum of a worm shaft refers to the radial length of its tooth. The pitch diameter and the minor diameter determine the dedendum. In an imperial system, the pitch diameter is referred to as the diametral pitch. Other parameters include the face width and fillet radius. Face width describes the width of the gear wheel without hub projections. Fillet radius measures the radius on the tip of the cutter and forms a trochoidal curve.
The diameter of a hub is measured at its outer diameter, and its projection is the distance the hub extends beyond the gear face. There are 2 types of addendum teeth, 1 with short-addendum teeth and the other with long-addendum teeth. The gears themselves have a keyway (a groove machined into the shaft and bore). A key is fitted into the keyway, which fits into the shaft.
Worm gears transmit motion from 2 shafts that are not parallel, and have a line-toothed design. The pitch circle has 2 or more arcs, and the worm and sprocket are supported by anti-friction roller bearings. Worm gears have high friction and wear on the tooth teeth and restraining surfaces. If you’d like to know more about worm gears, take a look at the definitions below.
worm shaft

CZPT’s whirling process

Whirling process is a modern manufacturing method that is replacing thread milling and hobbing processes. It has been able to reduce manufacturing costs and lead times while producing precision gear worms. In addition, it has reduced the need for thread grinding and surface roughness. It also reduces thread rolling. Here’s more on how CZPT whirling process works.
The whirling process on the worm shaft can be used for producing a variety of screw types and worms. They can produce screw shafts with outer diameters of up to 2.5 inches. Unlike other whirling processes, the worm shaft is sacrificial, and the process does not require machining. A vortex tube is used to deliver chilled compressed air to the cutting point. If needed, oil is also added to the mix.
Another method for hardening a worm shaft is called induction hardening. The process is a high-frequency electrical process that induces eddy currents in metallic objects. The higher the frequency, the more surface heat it generates. With induction heating, you can program the heating process to harden only specific areas of the worm shaft. The length of the worm shaft is usually shortened.
Worm gears offer numerous advantages over standard gear sets. If used correctly, they are reliable and highly efficient. By following proper setup guidelines and lubrication guidelines, worm gears can deliver the same reliable service as any other type of gear set. The article by Ray Thibault, a mechanical engineer at the University of Virginia, is an excellent guide to lubrication on worm gears.

Wear load capacity

The wear load capacity of a worm shaft is a key parameter when determining the efficiency of a gearbox. Worms can be made with different gear ratios, and the design of the worm shaft should reflect this. To determine the wear load capacity of a worm, you can check its geometry. Worms are usually made with teeth ranging from 1 to 4 and up to twelve. Choosing the right number of teeth depends on several factors, including the optimisation requirements, such as efficiency, weight, and centre-line distance.
Worm gear tooth forces increase with increased power density, causing the worm shaft to deflect more. This reduces its wear load capacity, lowers efficiency, and increases NVH behavior. Advances in lubricants and bronze materials, combined with better manufacturing quality, have enabled the continuous increase in power density. Those 3 factors combined will determine the wear load capacity of your worm gear. It is critical to consider all 3 factors before choosing the right gear tooth profile.
The minimum number of gear teeth in a gear depends on the pressure angle at 0 gearing correction. The worm diameter d1 is arbitrary and depends on a known module value, mx or mn. Worms and gears with different ratios can be interchanged. An involute helicoid ensures proper contact and shape, and provides higher accuracy and life. The involute helicoid worm is also a key component of a gear.
Worm gears are a form of ancient gear. A cylindrical worm engages with a toothed wheel to reduce rotational speed. Worm gears are also used as prime movers. If you’re looking for a gearbox, it may be a good option. If you’re considering a worm gear, be sure to check its load capacity and lubrication requirements.
worm shaft

NVH behavior

The NVH behavior of a worm shaft is determined using the finite element method. The simulation parameters are defined using the finite element method and experimental worm shafts are compared to the simulation results. The results show that a large deviation exists between the simulated and experimental values. In addition, the bending stiffness of the worm shaft is highly dependent on the geometry of the worm gear toothings. Hence, an adequate design for a worm gear toothing can help reduce the NVH (noise-vibration) behavior of the worm shaft.
To calculate the worm shaft’s NVH behavior, the main axes of moment of inertia are the diameter of the worm and the number of threads. This will influence the angle between the worm teeth and the effective distance of each tooth. The distance between the main axes of the worm shaft and the worm gear is the analytical equivalent bending diameter. The diameter of the worm gear is referred to as its effective diameter.
The increased power density of a worm gear results in increased forces acting on the corresponding worm gear tooth. This leads to a corresponding increase in deflection of the worm gear, which negatively affects its efficiency and wear load capacity. In addition, the increasing power density requires improved manufacturing quality. The continuous advancement in bronze materials and lubricants has also facilitated the continued increase in power density.
The toothing of the worm gears determines the worm shaft deflection. The bending stiffness of the worm gear toothing is also calculated by using a tooth-dependent bending stiffness. The deflection is then converted into a stiffness value by using the stiffness of the individual sections of the worm shaft. As shown in figure 5, a transverse section of a 2-threaded worm is shown in the figure.