Product Description

Quick details

Gear transmission refers to the device that transmits motion and power from the gear pair. It is the most widely used mechanical transmission method in modern equipment. Its transmission is more accurate, high efficiency, compact structure, reliable operation and long service life.Our gears can be heat treated, hardened, oil immersed according to customer needs.The gear is widely used in industry, vehicle, power tools, motor, bicycle, electrombile.

We can make customers’ satisfactory products according to the samples or drawings provided by customers. For the completion of a product, we also need to know its material, heat treatment requirements and surface treatment requirements. We are a factory with 40 years of manufacturing experience, welcome to consult.
The advantage of our gear
1 Wide range of applicable peripheral speeds and powers.
2 The transmission ratio is accurate, stable and efficient.
3 Reliable performance and long service life.

specialized supplier of a full range of motor shafts, gears, Flanges(Couplings), gear racks, sprockets, pulley, machined parts and so on.

Due to our sincerity in offering best service to our clients, understanding of your needs and overriding sense of responsibility toward filling ordering requirements, we have obtained the trust of buyers worldwide. Having accumulated precious experience in cooperating with foreign customers, our products are selling well in the American, European, South American and Asian markets.Our products are manufactured by modern computerized machinery and equipment. Meanwhile, our products are manufactured according to high quality standards, and complying with the international advanced standard criteria.

With many years’ experience in this line, we will be trusted by our advantages in competitive price, one-time delivery, prompt response, on-hand engineering support and good after-sales services.

Additionally, we also can design and make non-standard products to meet customers’ special requirements. Quality and credit are the bases that make a corporation alive. We will provide best services and high quality products with all sincerity. If you need any information or samples, please contact us and you will have our soon reply.

 Are you a manufacturer?
Yes, We are the manufacturer of all kinds of metal parts by CNC machining, turning, milling, stamping,
casting and bending with13 years’experince ,Warmly welcome to visit our factory at any time.
 
What is material you can process?
Stainless steel: SUS303, SUS304, SUS316, SUS316L, SUS430, SUS440, etc
Aluminum: 6061-T6, 6063-T5, 7075-T6, 2011, 2017, 2571, 5052, 5083, 6082 etc
Brass/copper: C11000, C15710, C12000, C26000, C36000, etc
Carbon steel:  Q235,S235JR,1571, 1015, 1571, 1571, 1030, 1035, 1040, 1045, etc
Plastic: PVC, POM, Telfon, Delrin, PEEK ,Nylon, ABS, PC, PP,PA6, PA66, etc
Free cutting steel: 1211, 12L13, 12L14, 1215, etc
Tool Steel: SKD61,SKD11,HSS M2,ASP23 ,H13,1.2344,D2,1.2379,etc
Alloy steel: 40Cr,15CrMo,4140,4340,35CrMo,16MnCr5
Titanium alloy
 
What benefit we can get from you?
1)Competitive price
2)High quality control : 100% full inspection before shipment
3)High precision, tolerance can be ± 0.005mm
4)Fast lead time (5-7days for samples, 12-15 days for mass production)
5)Non-standard//OEM//customized service provided
6)No MOQ, small QTY is acceptable.
7)ISO 9001:2015certificated factory, ROHS material used
9)Professional export packing: separate Blister plastic box or Bubble Wrap/Pearl Wool +Carton+Wooded Case, keep no scratch and damage
 
How does the CZPT control the quality?
1)During processing, the operating machine worker inspect the each sizes by themselves.
2)After finished the first whole part, will show to QA for full inspection.
3)Before shipment, the QA will inspect according to ISO sampling inspection standard for mass production. Will do 100% full checking for small QTY.
4) when shipping the goods, we will attached the inspection report with the parts.
 
How to handle the complains?
1)During processing, if found any sizes defective, we will inform the clients and get clients approval.
2)If happen any complaints after got the goods, pls show us photos and detail complaints points, we will check with the production department and QC depart. Immediately and give solving solution with 6 hours.
3)If need re-make, we will arrange re-make urgently and ship you new replacement within 5 days. CZPT will bear all the cost ( include shipping cost).
 
What’s the payment term?
50% deposit, 50% balance by T/T before shipment when order amount over 5000USD.
100% T/T in advance when amount less than 5000USD
L/C payment term for big amount order is acceptable.
Paypal and Western Union for samples cost or very small order.
 
 
What’s the delivery time ?
Normal for samples, 5-7 working days;
For mass production, it takes about 12-15 working days.
If any urgent parts, we can provide preferential processing and control the delivery time as you required.
 
What is the standard of package?
Professional export packing:
1)Separate Blister plastic box or Bubble Wrap/Pearl Wool, keep no scratch and damage.
2)Under 100 KGS parts, use strong DHL export Carton .
3)Above 100 KGS, will customize Wooded case for packing.
 
How to ship the parts?
1)Normally, we shipped the goods by DHL,FEDEX,UPS,TNT express.
2-3 days can arrived the clients’ company directly.
2)For heavy parts, can shipped by air or by sea according to customers’indication.
 
Can we get some sample?
1.Free sample can be provided,but the clients will bear the shipping cost.
2.Samplemaking can be satisfied as customer’s demands,and the sample cost is about 50-100 USD for each part,it depends on the processing.
3. Sample charge is returnable after order the mass production.
 
What kind of certificate you have ?
We have ISO9001:2015
RoHS compliance for material and surface treatment
 
What information should i let you know once i want to make a inquiry?
1.The drawings ( PDF,CAD or 3D )?
2. The material for each drawings?
3. The surface treatment requirement.
4. How many pieces do you need?
 
How fast you can get quotation from CZPT ?
After get customer’s detail enquiry( Clear drawings, material, QTY, surface treatment).
Normally, we will provide offer within 6 hours.
If more than 100 drawings, will provide price within 24 hours.
 
What is your main market?
North America, South America, Western European,
Southeast Asia,Australia
 

The Basics of a Planetary Gearbox

The basic model of a planetary gearbox is a highly efficient transmission that transmits nearly 90 percent of the power it receives. The basic planetary gearbox comes in 3 basic types: Inline, Helical, and Spur. Below, we will discuss the differences between each of them and which 1 is better for your needs. A planetary gearbox is an important part of any engine and may be the perfect choice for your vehicle.

Inline planetary gearbox

An inline planetary gearbox has an inline arrangement of gears that enables the transfer of power. Its design makes it stable and reliable, and the space and weight-saving benefits make it a popular choice for many applications. Planetary gearboxes have low inertia, high torque, and a wide range of reduction ratios, which make them a versatile choice for many industries. To find out more about this type of gearbox, read about its construction and specifications.
A planetary gearbox is composed of 2 parts: a sun gear (also called the central or input gear), and 2 planet gears (also called outer gears). These gears are connected to each other via a carrier. In order to get the best performance from your gearbox, it’s important to find a model with the features and benefits required for your application. Also, be sure to check out the delivery time, global availability, and customer service of your selected constructor. A few constructors are faster than others and have the ability to respond quickly, while others can deliver every single planetary gearbox out of stock.
Whether you’re using an inline planetary gearbox for your car’s transmission, or you’re building a new machine, it’s important to choose the right size for your application. The most common ratio is five:1, but an inline gearbox can be as high as 1000:1! The torque range is between 250-950 lb-in for continuous torque, and up to 5800 lb-in for yield torque. Some companies even offer custom shafts if you need them to fit a specific application.
Inline planetary gearboxes have a high ratio of helical rotation and are useful for applications where space is limited. Their low-backlash design allows them to handle high torques and high accelerations without backlash. Despite their compact size, planetary gear systems also have high single-stage reduction ratios, a feature that makes them ideal for a variety of industrial applications. They can also be connected for high reduction ratios.
An inline planetary gearbox can be used in many applications, from small tools to heavy industrial machinery. Its basic design includes 3 components: an input gear pair, an output gear pair, and a stationary position. Some planetary gearbox designs also include additional gear sets that can provide a slight offset between input and output. A planetary gearbox may also contain multiple bearings, which make the assembly more robust and reliable.
Inline planetary gear reducers are commonly used in industrial settings to slow down an electric motor. They are able to multiply torque, which means they can reduce the input speed to a level where the mechanical devices inside the motor can function properly. This type of gear reducer also has a low clearance, which makes it ideal for machines with high torque. However, you should consider the amount of torque required in your application before you make a purchase.

Helical planetary gearbox

A helical planetary gearbox is a type of mechanical system. The gears are connected by joints to the carrier that holds the planets stationary. The sun gear serves as an input to the other gears, and the planet gears rotate at a rate that depends on the number of teeth in each gear. The ratio between these gears is -Ns/Np, and the number of teeth in the ring is N r, N s, and N p.
Another type of planetary gearbox uses multiple helical axes to distribute the load. This design also offers high stiffness and low backlash, which is important for applications involving frequent start-stop cycles and rotational direction changes. It also features a compact design and low mass inertia. A helical planetary gearbox can be used for a wide range of applications. Listed below are some of the benefits of helical gear technology.
The basic design of a helical planetary gear is based on the principle of stepping planets. This concept eliminates the need for timing marks and restrictive assembly conditions. The planetary gear’s helical shape can be modified to achieve a greater transmission ratio in an equal or smaller volume. For example, a 50-T ring gear will yield the same effect as a 100-T ring gear.
In addition to the helical axis, a helical planetary gearbox also has a wide variety of secondary features that are critical to torque transmission. For instance, compact needle roller bearings are appropriate for a helical planetary gearbox because of their low-profile design and small space. However, a tapered roller bearing is better suited to handling high axial forces. In general, a helical planetary gearbox will have a higher efficiency rate and lower noise levels.
A helical planetary gearbox will have a number of components that can vary in size and shape. They will include a sun gear and many planetary parts. The central sun gear will take a low-torque input and will run multiple external gears to increase the torque and speed. This basic model of a planetary gearbox is highly efficient, transferring 97% of the power input. There are 3 main types of planetary gearboxes: the cylindrical planetary gearbox, the helical planetary gearbox, and the helical wormwheel.
The CZPT is a good example of an entry-level helical planetary gearbox. It is extremely reliable and aimed at providing torque in quiet applications with high precision. The Access series is another option, which is designed to meet the needs of the low-backlash planetary gearbox market. It features helical planetary gears with 5 to 8 arc-minutes backlash, and is built on a monobloc housing.
A helical planetary gearbox is widely used in 3D printing. They are lightweight and can provide a high gear ratio. In addition to their low weight and high efficiency, some people have installed them into 3D printers to improve the accuracy of their designs. And in addition to 3D printing, helical gears are used in many industrial applications. If you’re thinking about purchasing one, you should know what the benefits are.

Spur planetary gearbox

There are many advantages to a spur planetary gearbox, from its compact design and low cost to its unmatched power transmission capacity per unit volume. Planetary gears have high efficiency per stage and can achieve up to 95% efficiency, depending on the ratio. Planet gears are mounted on a joint carrier, and the output rotation speed is slower than the drive rotation speed, which leads to increased torque. The higher the gear wheels, the more torque the unit can produce.
A spur planetary gearbox incorporates multiple other gear sets that must have helical teeth. These other gear sets must be helical, and the motor must be aligned with the driven parts. The spur gears are the most efficient type of planetary gear, as their teeth are symmetrical, which means no axial forces are generated. The difference between a spur and a planetary gearbox is its shape.
The right angle spur planetary gearbox is a versatile design with a spiral bevel gear that provides superior smoothness and quiet operation. This gearhead is case-hardened and ground to increase its efficiency. These gears can be purchased in 3-100 ratios. Spur planetary gearboxes can also have ISO rotary flanges, keyed shafts, DIN splines, or hollow compression connections.
A spur planetary gearbox utilizes spur gears around the circumference of the mechanism. The spur gears rotate between gears that have internal and external teeth. Because of this, the angular velocity of the spur gear differential carrier is the average of the ring gears and sun gears. A spur gearbox can also be considered a compound planetary gear. It is typically used for servo applications. Unlike spur gears, helical planetary gears are easier to maintain and have lower noise levels.
The most notable difference between a spur planetary gearbox and a planetary gearhead is the lubrication of the pinion and the spur gear head. A spur gear head is less complex, but cannot handle the same amount of load as a planetary gearhead. Both types can achieve the same backlash, but a planetary gearhead has better lubrication retention than a spur gear. It can run at higher speeds without excessive lubrication, while a spur gear drive is more efficient at low speeds. The reduction ratio of a planetary gearhead is near unity while that of a planetary gear head is many thousand to one.
A planetary gearbox has many applications. Plastic machinery, goods & personnel lifts, and machine tools are all prime examples of these types of gearing systems. Other industries that use these gears include wind turbines and sugar crystallizers, as well as steel and sugar mills. And of course, the use of planetary gears is not limited to these industries. It is used in many different ways, including slewing drives, mill drive, and derrick & dockyard cranes