Product Description
Customized Machining Tractor/Planet/Planetary/Epicyclic CZPT Gear
Product Description
Major Products:
spur gear; worm gear; bevel gear; planetary gear; gear; metal gear; cycle gear; pinion gear; gear
manufacturing; helical gear; custom gear; spiral bevel gear; rack and pinion gear; mechanical
gears; transmission gears; rack gear; spiral gear; work gear; gear reducer; richmond gear;
hypoid gear; gear wheels; pulleys and gears; motive gear; gear teeth; truck gear; gear system;
involute gear.
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Material |
Steel:Carbon steel/ Mild steel/ Cold roll steel/ Hot roll steel |
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Surface Treatment |
Zinc plating, Powder, Passivation, Sand blasting, Brushing & ploshing etc. |
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Processing Equipment |
Large laser cutter Bending machine Plasma cutting machine Punching machine Wire cutter CNC machining center CNC lathe Automatic lathe machine Milling machine Drilling machine |
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Drawing Format |
pdf/.igs./.stp/x_t. etc. |
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Drawing Format |
EXW, FOB, CIF |
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Packing of Sheet Metal Stamping |
PE bag+carton box or other custom packaging |
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Applications |
Auto Parts/Motocycle parts/Contruction Parts/Furniture Parts/Electronic Parts |
PRODUCT DESCRIPOTION
1. CZPT wheel and pinion gears and spiral bevel gears for automobile rear axle, truck, tractor
front/rear axle and tool.
2. Raw material: 20CrMni \22CrMo \8620 \SCM420
Processing: Forging, normalizing, rough, machining, fine finishi, carburizing, tempering,
annealing, accurate grinding, matching and testing, packing.
3. The tooth surface is finished by lapping machine, the color will be silver gray
4. Hardness about surface: HRC58-62, internal: HRC35-40.
5. We can process gears according to customers drawing and samples.
Inspections:
3D instruments, 2D instruments, Projectors, Height Gauges, Inner diameter dial indicators, Dial gaues,
Thread and Pin gauges, Digital calipers,Micro calipers, Thickness testers, Hardness testers Roughness
testers, etc.( Detection accuracy to 0.001 millimetre )
| Mininum of Quantity | 100 Piece/Pieces |
| Unit Weight | 0.5kg~300kg |
| Price | FOB HangZhou,China,USD1.5~1.9 |
| Packing Details | Paper Box in Wooden Pallet |
| Delivery Time | One month |
| Payment Terms | L/C, T/T |
| Machining | CNC or |
| Supply Capacity | 50 Metric Tons per Month |
| Standard | DIN,ASTM,GOST,B |
Packaging & Shipping
Packing:
1: Shrink film+ bulk loading
2: Shrink film +Carton box + Pallet/ wooden case
3: PP + Wooden case
4: As per customers’ requirements or negotiated
FAQ
Q1: How can I get cnc spare parts sample?
1. Sample fee will be free if we have in stock, you just need to pay the shipping cost is OK.
2. The sample of your own design needs to pay for the mold set up charge. Samples production takes
5-7 working days after set up charge received & size drawing approval.
Q2: How to pay for the order?
There are 4 options to pay the order: Bank Transfer; Western Union; Paypal; Payoneer. Kindly choose
the most suitable way for you to arrange it.
Q3: What is the shipping method?
The samples were sent out by international airway express company like DHL, UPS, FedEx, TNT.
Usually takes around 5-7 working days (door to door service). We arrange goods shipment via sea
or air.
Q4: Can you give me help if my products are very urgent?
Yes, We can work overtime and add a few machines to produce these products if you need it urgently.
Q5: I want to keep our design in secret, can we CZPT NDA?
Sure, we will not display any customers’ design or show to other people, we can CZPT NDA.
You can look through our website to find your interest or email your any questions through
below approach! We will reply to you within 12 hours.
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Shipping Cost:
Estimated freight per unit. |
To be negotiated |
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| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery |
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| Hardness: | Hardened Tooth Surface |
| Gear Position: | Internal Gear |
| Samples: |
US$ 4/Piece
1 Piece(Min.Order) | Order Sample machining gears
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| Customization: |
Available
| Customized Request |
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How do epicyclic gear systems provide different gear ratios within a compact design?
Epicyclic gear systems, also known as planetary gear systems, offer the advantage of providing different gear ratios while maintaining a compact design. Here’s a detailed explanation:
Epicyclic gear systems achieve different gear ratios through the interaction of the sun gear, planet gears, and ring gear. The arrangement and engagement of these gears determine the resulting gear ratios. Here’s how it works:
1. Sun Gear and Ring Gear Sizes:
The gear ratio is influenced by the relative sizes of the sun gear and the ring gear. The number of teeth on these gears determines their effective radius and, consequently, the gear ratio. For example, a larger sun gear or a smaller ring gear will result in a higher gear ratio, providing gear reduction.
2. Planet Gear Engagement:
The planet gears in an epicyclic gear system engage with both the sun gear and the ring gear. The number of teeth on the planet gears affects the gear ratio as well. By altering the number of teeth on the planet gears, different gear ratios can be achieved. Increasing the number of teeth on the planet gears compared to the sun gear or the ring gear will result in a higher gear ratio.
3. Gear Arrangement:
The arrangement of the sun gear, planet gears, and ring gear also plays a role in providing different gear ratios. In a basic epicyclic gear system, the planet gears are evenly spaced around the sun gear and engage with the internal teeth of the ring gear. However, by modifying the arrangement, such as using multiple sets of planet gears or incorporating additional gears, more complex gear ratios can be achieved.
4. Multiple Stages:
Epicyclic gear systems can also utilize multiple stages to further expand the range of available gear ratios. Multiple stages involve connecting multiple sets of epicyclic gear systems in series. Each stage can have its own gear ratio, and by combining the gear ratios of each stage, a wide range of overall gear ratios can be achieved.
5. Compact Design:
Epicyclic gear systems offer a compact design due to the coaxial arrangement of the sun gear, planet gears, and ring gear. The planet gears are mounted on a carrier, which revolves around the sun gear while engaging with the ring gear. This arrangement allows for a high gear reduction or multiplication within a relatively small space, making epicyclic gears well-suited for applications where size and weight constraints are critical.
Overall, through the careful selection of gear sizes, gear engagement, gear arrangement, and the possibility of multiple stages, epicyclic gear systems provide different gear ratios while maintaining a compact design. This versatility in gear ratios makes them highly adaptable to a wide range of applications across various industries.
What is the effect of various planetary gear arrangements on gear ratios?
The arrangement of planetary gears in an epicyclic gear system can have different effects on the resulting gear ratios. Here’s a detailed explanation:
1. Simple Planetary Gear:
In a simple planetary gear arrangement, the sun gear is the input, the ring gear is the output, and the planet gears are held stationary or act as idlers. The gear ratio in this configuration is determined by the number of teeth on the sun gear and the ring gear. The gear ratio formula can be expressed as R = (1 + S) / S, where R is the gear ratio and S is the number of teeth on the sun gear.
2. Compound Planetary Gear:
A compound planetary gear arrangement includes multiple sets of planetary gears. This arrangement can achieve higher gear ratios by utilizing multiple gear stages. Each stage consists of a sun gear, planet gears, and a ring gear. The output of one stage becomes the input for the next stage, resulting in a cumulative gear ratio. The overall gear ratio is the product of the individual gear ratios of each stage.
3. Multi-Stage Planetary Gear:
A multi-stage planetary gear arrangement combines multiple simple or compound planetary gearsets in series. Each gearset has its own gear ratio, and the output of one gearset becomes the input for the next gearset. This arrangement allows for even higher gear ratios by multiplying the individual gear ratios of each gearset. The overall gear ratio is the product of the gear ratios of all the gearsets.
4. Ravigneaux Planetary Gear:
A Ravigneaux planetary gear arrangement consists of two sets of planetary gears, with one set acting as a compound gear. This arrangement allows for different gear ratios depending on the engagement of clutches or brakes. By selectively engaging or disengaging certain elements, different gear ratios can be achieved, providing versatility in speed control and gear reduction.
5. Simpson Planetary Gear:
A Simpson planetary gear arrangement consists of three sets of planetary gears. It offers multiple gear ratios by selectively engaging or disengaging clutches or brakes on different gear elements. This arrangement provides a range of gear ratios and allows for more flexibility in speed control and power transmission.
6. Hybrid Planetary Gear:
A hybrid planetary gear arrangement combines different types of planetary gearsets, such as compound, Ravigneaux, or Simpson. This arrangement offers a wide range of gear ratios and allows for more complex speed control and power transmission requirements.
In summary, the various planetary gear arrangements, including simple, compound, multi-stage, Ravigneaux, Simpson, and hybrid, have different effects on gear ratios. These arrangements enable the achievement of specific gear ratios, cumulative gear ratios, or a combination of different gear ratios, providing versatility in speed control, gear reduction, and power transmission in a wide range of applications.
What is an epicyclic gear and how does it function?
An epicyclic gear, also known as a planetary gear, is a gear system that consists of one or more outer gears, an inner gear, and a central gear, known as a sun gear. Here’s a detailed explanation of how it functions:
1. Gear Arrangement:
In an epicyclic gear system, the sun gear is located at the center and is surrounded by multiple outer gears, also called planet gears. The planet gears are typically mounted on a carrier, which allows them to rotate around the central sun gear.
2. Gear Engagement:
The teeth of the planet gears mesh with both the sun gear and an outer ring gear, also known as the annular gear. The annular gear has internal teeth that engage with the planet gears and external teeth that provide the outer boundary of the gear system.
3. Input and Output:
The input and output connections can be achieved in different ways depending on the design. Typically, the sun gear serves as the input shaft, while the carrier or the annular gear acts as the output shaft. The rotation of the input shaft (sun gear) causes the planet gears to orbit around it and rotate, resulting in the output shaft’s motion.
4. Gear Ratios:
An essential feature of epicyclic gears is their ability to provide different gear ratios by changing the arrangement of the gears. By holding one component stationary, such as fixing the annular gear or the carrier, and driving another component, the gear system can achieve various speed and torque combinations.
5. Gear Functions:
Epicyclic gears have several useful functions in mechanical systems, including:
- Speed reduction: By fixing the sun gear and rotating the carrier or the annular gear, the output speed can be reduced compared to the input speed.
- Speed increase: By fixing the carrier or the annular gear and rotating the sun gear, the output speed can be increased compared to the input speed.
- Directional changes: Changing the gear engagement arrangement allows reversing the direction of rotation between the input and output shafts.
- Torque multiplication: By utilizing the gear ratios, an epicyclic gear system can multiply or divide the torque between the input and output shafts, providing mechanical advantage.
- Braking: By holding specific components, such as the sun gear or the carrier, the gear system can act as a brake, preventing rotation or controlling the speed of the output shaft.
Epicyclic gears find applications in various mechanical systems, including automotive transmissions, gearboxes, power tools, and robotics, due to their compact size, versatility, and ability to achieve multiple gear ratios within a single gear system.
editor by CX 2023-09-06