Tag Archives: belt

China Custom Diesel Engine Timing Belt Forklift Camshaft Timing Gear gear patrol

Product Description

Product Title: Diesel engine timing belt forklift camshaft timing gear
Product Model: 490BPG-57109-ZC camshaft timing gear


Item Description
Product Name Forklift camshaft timing gear (490B/44C)
P/N 490BPG-57109-ZC
Applied Model For forklift diesel engine
Net Weight (kg) 1.40
Gross Weight (kg) 1.90
Qty per Carton 1
Carton Size (cm) 17*17*8

Forklift Camshaft Timing Gear

Forklift camshaft timing gear is 1 of timing gear of forklift diesel engine timing chamber. The function of forklift camshaft timing gear is that it drives camshaft to supply the power to other forklift components.

Material: Iron
Customized: Non-Customized
Standard: Standard
Condition: New
Applied Model: Helijac/Tcm
Feature: Cost-Effective OEM Forklift Parts
US$ 4.82/Piece
1 Piece(Min.Order)

Request Sample



Customized Request


The Difference Between Planetary Gears and Spur Gears

A spur gear is a type of mechanical drive that turns an external shaft. The angular velocity is proportional to the rpm and can be easily calculated from the gear ratio. However, to properly calculate angular velocity, it is necessary to know the number of teeth. Fortunately, there are several different types of spur gears. Here’s an overview of their main features. This article also discusses planetary gears, which are smaller, more robust, and more power-dense.
Planetary gears are a type of spur gear

One of the most significant differences between planetary gears and spurgears is the way that the two share the load. Planetary gears are much more efficient than spurgears, enabling high torque transfer in a small space. This is because planetary gears have multiple teeth instead of just one. They are also suitable for intermittent and constant operation. This article will cover some of the main benefits of planetary gears and their differences from spurgears.
While spur gears are more simple than planetary gears, they do have some key differences. In addition to being more basic, they do not require any special cuts or angles. Moreover, the tooth shape of spur gears is much more complex than those of planetary gears. The design determines where the teeth make contact and how much power is available. However, a planetary gear system will be more efficient if the teeth are lubricated internally.
In a planetary gear, there are three shafts: a sun gear, a planet carrier, and an external ring gear. A planetary gear is designed to allow the motion of one shaft to be arrested, while the other two work simultaneously. In addition to two-shaft operation, planetary gears can also be used in three-shaft operations, which are called temporary three-shaft operations. Temporary three-shaft operations are possible through frictional coupling.
Among the many benefits of planetary gears is their adaptability. As the load is shared between several planet gears, it is easier to switch gear ratios, so you do not need to purchase a new gearbox for every new application. Another major benefit of planetary gears is that they are highly resistant to high shock loads and demanding conditions. This means that they are used in many industries.

They are more robust

An epicyclic gear train is a type of transmission that uses concentric axes for input and output. This type of transmission is often used in vehicles with automatic transmissions, such as a Lamborghini Gallardo. It is also used in hybrid cars. These types of transmissions are also more robust than conventional planetary gears. However, they require more assembly time than a conventional parallel shaft gear.
An epicyclic gearing system has three basic components: an input, an output, and a carrier. The number of teeth in each gear determines the ratio of input rotation to output rotation. In some cases, an epicyclic gear system can be made with two planets. A third planet, known as the carrier, meshes with the second planet and the sun gear to provide reversibility. A ring gear is made of several components, and a planetary gear may contain many gears.
An epicyclic gear train can be built so that the planet gear rolls inside the pitch circle of an outer fixed gear ring, or “annular gear.” In such a case, the curve of the planet’s pitch circle is called a hypocycloid. When epicycle gear trains are used in combination with a sun gear, the planetary gear train is made up of both types. The sun gear is usually fixed, while the ring gear is driven.
Planetary gearing, also known as epicyclic gear, is more durable than other types of transmissions. Because planets are evenly distributed around the sun, they have an even distribution of gears. Because they are more robust, they can handle higher torques, reductions, and overhung loads. They are also more energy-dense and robust. In addition, planetary gearing is often able to be converted to various ratios.

They are more power dense

The planet gear and ring gear of a compound planetary transmission are epicyclic stages. One part of the planet gear meshes with the sun gear, while the other part of the gear drives the ring gear. Coast tooth flanks are used only when the gear drive works in reversed load direction. Asymmetry factor optimization equalizes the contact stress safety factors of a planetary gear. The permissible contact stress, sHPd, and the maximum operating contact stress (sHPc) are equalized by asymmetry factor optimization.
In addition, epicyclic gears are generally smaller and require fewer space than helical ones. They are commonly used as differential gears in speed frames and in looms, where they act as a Roper positive let off. They differ in the amount of overdrive and undergearing ratio they possess. The overdrive ratio varies from fifteen percent to forty percent. In contrast, the undergearing ratio ranges from 0.87:1 to 69%.
The TV7-117S turboprop engine gearbox is the first known application of epicyclic gears with asymmetric teeth. This gearbox was developed by the CZPT Corporation for the Ilyushin Il-114 turboprop plane. The TV7-117S’s gearbox arrangement consists of a first planetary-differential stage with three planet gears and a second solar-type coaxial stage with five planet gears. This arrangement gives epicyclic gears the highest power density.
Planetary gearing is more robust and power-dense than other types of gearing. They can withstand higher torques, reductions, and overhung loads. Their unique self-aligning properties also make them highly versatile in rugged applications. It is also more compact and lightweight. In addition to this, epicyclic gears are easier to manufacture than planetary gears. And as a bonus, they are much less expensive.

They are smaller

Epicyclic gears are small mechanical devices that have a central “sun” gear and one or more outer intermediate gears. These gears are held in a carrier or ring gear and have multiple mesh considerations. The system can be sized and speeded by dividing the required ratio by the number of teeth per gear. This process is known as gearing and is used in many types of gearing systems.
Planetary gears are also known as epicyclic gearing. They have input and output shafts that are coaxially arranged. Each planet contains a gear wheel that meshes with the sun gear. These gears are small and easy to manufacture. Another advantage of epicyclic gears is their robust design. They are easily converted into different ratios. They are also highly efficient. In addition, planetary gear trains can be designed to operate in multiple directions.
Another advantage of epicyclic gearing is their reduced size. They are often used for small-scale applications. The lower cost is associated with the reduced manufacturing time. Epicyclic gears should not be made on N/C milling machines. The epicyclic carrier should be cast and tooled on a single-purpose machine, which has several cutters cutting through material. The epicyclic carrier is smaller than the epicyclic gear.
Epicyclic gearing systems consist of three basic components: an input, an output, and a stationary component. The number of teeth in each gear determines the ratio of input rotation to output rotation. Typically, these gear sets are made of three separate pieces: the input gear, the output gear, and the stationary component. Depending on the size of the input and output gear, the ratio between the two components is greater than half.

They have higher gear ratios

The differences between epicyclic gears and regular, non-epicyclic gears are significant for many different applications. In particular, epicyclic gears have higher gear ratios. The reason behind this is that epicyclic gears require multiple mesh considerations. The epicyclic gears are designed to calculate the number of load application cycles per unit time. The sun gear, for example, is +1300 RPM. The planet gear, on the other hand, is +1700 RPM. The ring gear is also +1400 RPM, as determined by the number of teeth in each gear.
Torque is the twisting force of a gear, and the bigger the gear, the higher the torque. However, since the torque is also proportional to the size of the gear, bigger radii result in lower torque. In addition, smaller radii do not move cars faster, so the higher gear ratios do not move at highway speeds. The tradeoff between speed and torque is the gear ratio.
Planetary gears use multiple mechanisms to increase the gear ratio. Those using epicyclic gears have multiple gear sets, including a sun, a ring, and two planets. Moreover, the planetary gears are based on helical, bevel, and spur gears. In general, the higher gear ratios of epicyclic gears are superior to those of planetary gears.
Another example of planetary gears is the compound planet. This gear design has two different-sized gears on either end of a common casting. The large end engages the sun while the smaller end engages the annulus. The compound planets are sometimes necessary to achieve smaller steps in gear ratio. As with any gear, the correct alignment of planet pins is essential for proper operation. If the planets are not aligned properly, it may result in rough running or premature breakdown.

China Custom Diesel Engine Timing Belt Forklift Camshaft Timing Gear gear patrolChina Custom Diesel Engine Timing Belt Forklift Camshaft Timing Gear gear patrol
editor by CX 2023-05-22

China manufacturer Automatic Transmission Belt Gearbox Parts General Duty Conveyor Roller Chains Custom CNC Machining Steel Sprocket with Free Design Custom

Item Description

SPROCKET  5/8” X 3/8”  10B Series SPROCKETS


Standard Details.

Set up AND Using

The chain spoket, as a drive or deflection for chains, has pockets to hold the chain links with a D-profile cross segment with flat facet surfaces  parallel to the centre aircraft of the chain hyperlinks, and outer surfaces at appropriate angles to the chain url centre airplane. The chain hyperlinks are pressed firmly from the outer surfaces and every single of the side surfaces by the angled laying surfaces at the foundation of the pockets, and also the assist surfaces of the wheel entire body collectively with the conclude sides of the webs formed by the foremost and trailing partitions of the pocket.


When CZPT new chainwheels it is extremely essential that a new chain is equipped at the very same time, and vice versa. Employing an previous chain with new sprockets, or a new chain with aged sprockets will trigger quick put on.

It is critical if you are setting up the chainwheels oneself to have the manufacturing facility support manual specific to your model. Our chainwheels are made to be a immediate alternative for your OEM chainwheels and as this kind of, the installation need to be carried out according to your types support guide.

For the duration of use a chain will extend (i.e. the pins will wear creating extension of the chain). Using a chain which has been stretched more than the previously mentioned highest allowance causes the chain to trip up the teeth of the sprocket. This triggers harm to the suggestions of the chainwheels teeth, as the power transmitted by the chain is transmitted entirely by way of the top of the tooth, instead than the total tooth. This results in serious wearing of the chainwheel.


Specifications companies (such as ANSI and ISO) sustain requirements for design, proportions, and interchangeability of transmission chains. For case in point, the subsequent Desk exhibits info from ANSI normal B29.1-2011 (Precision Power Transmission Roller Chains, Attachments, and Sprockets) designed by the American Culture of Mechanical Engineers (ASME). See the references[8][9][10] for further details.

ASME/ANSI B29.1-2011 Roller Chain Regular SizesSizePitchMaximum Roller DiameterMinimum Ultimate Tensile StrengthMeasuring Load25

For mnemonic needs, underneath is one more presentation of crucial proportions from the exact same standard, expressed in fractions of an inch (which was element of the contemplating behind the option of preferred quantities in the ANSI regular):

one. The pitch is the distance in between roller centers. The width is the distance among the url plates (i.e. marginally more than the roller width to allow for clearance).
two. The appropriate-hand digit of the regular denotes 0 = CZPT chain, 1 = light-weight chain, 5 = rollerless bushing chain.
3. The remaining-hand digit denotes the variety of eighths of an inch that make up the pitch.
4. An “H” following the common number denotes heavyweight chain. A hyphenated variety pursuing the common number denotes double-strand (2), triple-strand (3), and so on. As a result 60H-3 denotes quantity sixty heavyweight triple-strand chain.
 A standard bicycle chain (for derailleur gears) makes use of slim 1⁄2-inch-pitch chain. The width of the chain is variable, and does not influence the load ability. The a lot more sprockets at the rear wheel (traditionally 3-6, today 7-12 sprockets), the narrower the chain. Chains are marketed in accordance to the number of speeds they are created to operate with, for illustration, “ten velocity chain”. Hub equipment or solitary speed bicycles use 1/2″ x 1/8″ chains, where 1/8″ refers to the highest thickness of a sprocket that can be employed with the chain.

Usually chains with parallel shaped backlinks have an even amount of back links, with every slim website link adopted by a broad one particular. Chains constructed up with a uniform sort of url, slim at 1 and wide at the other end, can be created with an odd variety of hyperlinks, which can be an advantage to adapt to a special chainwheel-distance on the other facet this kind of a chain tends to be not so powerful.

Roller chains made utilizing ISO common are sometimes named as isochains.


WHY Decide on US 

1. Dependable Good quality Assurance Program
2. Slicing-Edge Laptop-Controlled CNC Equipment
three. Bespoke Solutions from Highly Knowledgeable Specialists
four. Customization and OEM Obtainable for Specific Application
five. In depth Stock of Spare Elements and Equipment
six. Nicely-Designed Around the world Advertising and marketing Network
seven. Efficient Soon after-Sale Provider Method


The 219 sets of advanced automated production equipment offer ensures for large merchandise high quality. The 167 engineers and specialists with senior specialist titles can design and develop merchandise to meet the specific requires of consumers, and OEM customizations are also available with us. Our seem international services network can give clients with well timed right after-product sales technical companies.

We are not just a producer and provider, but also an industry expert. We work pro-actively with you to offer you professional suggestions and item suggestions in order to stop up with a most cost efficient solution available for your particular application. The customers we serve globally range from conclude customers to distributors and OEMs. Our OEM replacements can be substituted anywhere necessary and ideal for equally repair and new assemblies.



How to Evaluate Various Varieties of Spur Gears

When evaluating various types of spur gears, there are many critical factors to get into account. The principal considerations incorporate the pursuing: Frequent applications, Pitch diameter, and Addendum circle. Right here we will appear at each of these aspects in far more depth. This article will aid you realize what each and every sort of spur equipment can do for you. Whether you happen to be looking to electricity an electrical motor or a design device, the right gear for the work will make the work easier and save you funds in the lengthy operate.

Frequent programs

Amongst its several programs, a spur gear is commonly used in airplanes, trains, and bicycles. It is also employed in ball mills and crushers. Its large pace-minimal torque capabilities make it perfect for a selection of apps, such as industrial machines. The subsequent are some of the frequent employs for spur gears. Outlined underneath are some of the most widespread varieties. Whilst spur gears are typically quiet, they do have their limits.
A spur gear transmission can be external or auxiliary. These models are supported by entrance and rear casings. They transmit drive to the accent models, which in turn go the machine. The drive speed is typically between 5000 and 6000 rpm or 20,000 rpm for centrifugal breathers. For this purpose, spur gears are typically employed in huge machinery. To understand much more about spur gears, view the subsequent video.
The pitch diameter and diametral pitch of spur gears are important parameters. A diametral pitch, or ratio of teeth to pitch diameter, is essential in figuring out the middle distance among two spur gears. The heart length between two spur gears is calculated by incorporating the radius of each pitch circle. The addendum, or tooth profile, is the height by which a tooth assignments earlier mentioned the pitch circle. In addition to pitch, the centre distance in between two spur gears is calculated in phrases of the distance among their centers.
Another important attribute of a spur equipment is its minimal pace functionality. It can create great power even at reduced speeds. Even so, if noise control is not a priority, a helical equipment is preferable. Helical gears, on the other hand, have tooth arranged in the opposite route of the axis, making them quieter. Even so, when taking into consideration the sounds degree, a helical equipment will function far better in low-velocity scenarios.


The construction of spur gear commences with the reducing of the gear blank. The equipment blank is produced of a pie-shaped billet and can vary in size, condition, and excess weight. The slicing process requires the use of dies to produce the correct equipment geometry. The equipment blank is then fed slowly and gradually into the screw machine right up until it has the preferred form and size. A metal equipment blank, called a spur gear billet, is employed in the production procedure.
A spur gear is made up of two elements: a centre bore and a pilot gap. The addendum is the circle that runs together the outermost factors of a spur gear’s teeth. The root diameter is the diameter at the base of the tooth area. The airplane tangent to the pitch floor is named the pressure angle. The total diameter of a spur equipment is equal to the addendum plus the dedendum.
The pitch circle is a circle fashioned by a collection of tooth and a diametrical division of each and every tooth. The pitch circle defines the distance in between two meshed gears. The centre distance is the distance between the gears. The pitch circle diameter is a critical element in figuring out center distances between two mating spur gears. The centre distance is calculated by including the radius of each gear’s pitch circle. The dedendum is the top of a tooth previously mentioned the pitch circle.
Other considerations in the design and style method include the content employed for design, floor treatment options, and variety of enamel. In some instances, a common off-the-shelf equipment is the most suitable selection. It will fulfill your software requirements and be a cheaper substitute. The equipment will not final for extended if it is not lubricated effectively. There are a number of different approaches to lubricate a spur equipment, which includes hydrodynamic journal bearings and self-contained gears.

Addendum circle

The pitch diameter and addendum circle are two important proportions of a spur equipment. These diameters are the all round diameter of the equipment and the pitch circle is the circle centered all around the root of the gear’s tooth areas. The addendum aspect is a operate of the pitch circle and the addendum price, which is the radial distance between the top of the gear tooth and the pitch circle of the mating gear.
The pitch floor is the proper-hand facet of the pitch circle, although the root circle defines the space between the two equipment tooth sides. The dedendum is the distance amongst the best of the equipment tooth and the pitch circle, and the pitch diameter and addendum circle are the two radial distances in between these two circles. The big difference among the pitch floor and the addendum circle is known as the clearance.
The number of tooth in the spur gear should not be considerably less than 16 when the force angle is twenty levels. Nevertheless, a gear with sixteen tooth can nonetheless be utilised if its energy and get in touch with ratio are within layout restrictions. In addition, undercutting can be prevented by profile shifting and addendum modification. Nonetheless, it is also achievable to lessen the addendum duration by way of the use of a positive correction. However, it is essential to notice that undercutting can occur in spur gears with a negative addendum circle.
An additional crucial element of a spur gear is its meshing. Since of this, a normal spur gear will have a meshing reference circle referred to as a Pitch Circle. The centre distance, on the other hand, is the length among the center shafts of the two gears. It is crucial to understand the fundamental terminology involved with the gear program prior to starting a calculation. Despite this, it is important to don’t forget that it is possible to make a spur equipment mesh using the exact same reference circle.

Pitch diameter

To establish the pitch diameter of a spur equipment, the type of generate, the type of driver, and the variety of driven device should be specified. The proposed diametral pitch value is also described. The smaller sized the pitch diameter, the considerably less contact pressure on the pinion and the lengthier the provider lifestyle. Spur gears are produced utilizing simpler processes than other kinds of gears. The pitch diameter of a spur gear is essential since it establishes its strain angle, the operating depth, and the total depth.
The ratio of the pitch diameter and the quantity of enamel is called the DIAMETRAL PITCH. The teeth are measured in the axial airplane. The FILLET RADIUS is the curve that kinds at the base of the equipment tooth. The Full DEPTH Tooth are the ones with the doing work depth equal to 2.000 divided by the standard diametral pitch. The hub diameter is the exterior diameter of the hub. The hub projection is the length the hub extends over and above the gear confront.
A metric spur gear is normally specified with a Diametral Pitch. This is the variety of teeth for each inch of the pitch circle diameter. It is normally measured in inverse inches. The regular plane intersects the tooth surface area at the position exactly where the pitch is specified. In a helical equipment, this line is perpendicular to the pitch cylinder. In addition, the pitch cylinder is typically standard to the helix on the outdoors.
The pitch diameter of a spur gear is usually specified in millimeters or inches. A keyway is a machined groove on the shaft that fits the crucial into the shaft’s keyway. In the normal aircraft, the pitch is specified in inches. Involute pitch, or diametral pitch, is the ratio of enamel for every inch of diameter. Even though this could look complicated, it really is an crucial measurement to comprehend the pitch of a spur gear.


The main edge of a spur gear is its capability to lessen the bending tension at the tooth no issue the load. A standard spur equipment has a face width of twenty mm and will fall short when subjected to 3000 N. This is far a lot more than the produce toughness of the content. Right here is a appear at the content properties of a spur gear. Its strength relies upon on its materials qualities. To find out what spur gear content best fits your equipment, follow the subsequent steps.
The most typical content utilized for spur gears is steel. There are various varieties of steel, including ductile iron and stainless steel. S45C steel is the most typical steel and has a .45% carbon articles. This sort of steel is simply available and is utilized for the manufacturing of helical, spur, and worm gears. Its corrosion resistance makes it a popular material for spur gears. Listed here are some advantages and disadvantages of steel.
A spur gear is made of metallic, plastic, or a combination of these resources. The main advantage of metal spur gears is their toughness to weight ratio. It is about one particular 3rd lighter than steel and resists corrosion. Even though aluminum is a lot more high-priced than steel and stainless steel, it is also less complicated to equipment. Its design can make it straightforward to personalize for the application. Its flexibility makes it possible for it to be employed in practically each and every application. So, if you have a distinct require, you can easily uncover a spur equipment that matches your requirements.
The design and style of a spur equipment drastically influences its performance. For that reason, it is important to decide on the appropriate materials and measure the precise dimensions. Aside from currently being critical for efficiency, dimensional measurements are also critical for top quality and dependability. Consequently, it is important for specialists in the business to be familiar with the conditions used to describe the materials and parts of a equipment. In addition to these, it is essential to have a good comprehending of the materials and the dimensional measurements of a gear to guarantee that manufacturing and acquire orders are precise.

China manufacturer Automatic Transmission Belt Gearbox Parts General Duty Conveyor Roller Chains Custom CNC Machining Steel Sprocket     with Free Design CustomChina manufacturer Automatic Transmission Belt Gearbox Parts General Duty Conveyor Roller Chains Custom CNC Machining Steel Sprocket     with Free Design Custom