China supplier CZPT Series Gearbox for Plastic Screw Extruder raw gear
Product Description
PROFESSIONAL MANUFACTURE
— SINCE 1995
ZLYJ Series Gearbox for Plastic Screw Extruder
Chinese electric motor speed reducer is widely used in mining machinery, chemical industry,steel metallurgy, light
industry,environmental protection, paper making, printing, lifting transport, food industry and so on.
Main Series Product: R series helical gear motor reducer, K series spiral bevel gear reducer, NGW, P series planetary gear reducer, H B series helical gearbox, Z (ZDY, ZLY, ZSY, and ZFY) serial hard tooth surface cylindrical gearbox reducer, D (DBY and DCY) serial hard tooth surface cone gear reducer, cycloidal speed reducer, etc. Meanwhile, map sample processing business can be undertaken.
Product Description
Feature:
ZLYJ series reducer is a transmission component with hard tooth surface and thrust seat designed for plastic screw extruder.
Its characteristic is that the gears and shaft parts are made of high-strength alloy steel.
The gears are processed by carburizing, quenching, and gear grinding.
Gear accuracy is level 6. Tooth surface hardness is HRC54~62. A large-size thrust bearing is arranged at the front end of the hollow input shaft to withstand the axial thrust of the screw when it is working.
The whole machine has the characteristics of small size, high carrying capacity, stable transmission and low noise.
Product Parameters
Model selection for washing machine Gear Box Transmission:
Closely using the ideal reduction ratio.
Reduction ratio = servo motor speed / reducer output shaft speed
Torque calculation: Torque calculation is very important for the life of reducer, and pay attention to whether the maximum torque value (TP) of acceleration exceeds the maximum load torque of the reducer.
The applicable power is usually the applicable power of the servo models on the market, the applicability of the reducer is very high, the working coefficient can be maintained above 1.2, but the choice can also be based on their own needs to decide. industrial helical gearbox. H PV series High quality Right Angle Unique speed reducer HB helical gearbox / gear box.
| TYPE | ZLYJ133 | ZLYJ146 | ZLYJ173 | ZLYJ200 | ZLYJ225 | ZLYJ280 | ZLYJ315 | ZLYJ330 | ZLYJ420 |
| n | 8 | 8 | 8 | 12 | 12 | 12 | 12 | 12 | 12 |
| d3 | M12 | M12 | M16 | M16 | M20 | M20 | M24 | M24 | M24 |
| center distance | 205 | 230 | 260 | 300 | 370 | 400 | 405 | 450 | 580 |
Detailed Photos
Chinese Speed Reducer/industrial helical gearbox is a mechanical transmission in many fields of the national economy. The product categories covered by the industry include all kinds of gear reducer, planetary gear reducer and worm reducer, as well as various special transmission devices such as speed increasing device, speed control Devices, including various types of flexible transmission devices, such as compound transmission. Products and services in the field of metallurgy, nonferrous metals, coal, building materials, ships, water conservancy, electricity, construction machinery and petrochemical industries.
In all fields of national economy and national defense industry, gearbox products have a wide range of applications. Food light industry, electric machinery, construction machinery, metallurgy machinery, cement machinery, environmental protection machinery, electronic appliances, road construction machinery, water conservancy machinery, chemical machinery, mining machinery, conveyor machinery, building materials machinery, rubber machinery, petroleum machinery and other industries have strong demand of Reducer products. H PV series High quality Right Angle Unique speed reducer HB helical gearbox / gear box .
Packaging & Shipping
Application
| Driven machines | |||
| Waste water treatment | Thickeners,filter presses,flocculation apparata,aerators,raking equipment,combined longitudinal and rotary rakes,pre-thickeners,screw pumps,water turbines,centrifugal pumps | Dredgers | Bucket conveyors, dumping devices, carterpillar travelling gears, bucket wheel excavators as pick up, bucket wheel excavator for primitive material, cutter head, traversing gears |
| Chemical industry | Plate bending machines, extruders, dough mills, rubbers calenders, cooling drums, mixers for uniform media, agitators for media with uniform density, toasters, centrifuges | Metal working mills | plate tilters, ingot pushers, winding machines, cooling bed transfer frames, roller straigheners, table continuous intermittent, roller tables reversing tube mills, shears continuous, casting drivers, reversing CHINAMFG mills |
| Metal working mills | Reversing slabbing mills. reversing wire mills, reversing sheet mills, reversing plate mill, roll adjustment drives | Conveyors | Bucket conveyors, hauling winches, hoists, belt conveyors, good lifts, passenger lifts, apron conveyors, escalators, rail travlling gears |
| Frequency converters | Reciprocating compressors | ||
| Cranes | Slewing gears, luffing gears, travelling gears, hoisting gear, derricking jib cranes | Cooling towers | Cooling tower fans, blowers axial and radial |
| Cane sugar production | Cane knives, cane mills | Beet sugar production | Beet cossettes macerators, extraction plants, mechanical refrigerators, juice boilers, sugar beet washing machines, sugar beet cutter |
| Paper machines | Pulper drives | Cableways | Material ropeways, continuous ropeway |
| Cement industry | Concrete mixer, breaker, rotary kilns, tube mills, separators, roll crushers | ||
Company Profile
Established in 1995 , HangZhou Boji Machinery is a professional manufacturer and exporter that is concerned with the design, development and production of Gearbox Speed Reducer. We are located in HangZhou of ZheJiang Province, with convenient transportation access. With our own brand “TianQi”, all of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.
Our company possesses complete machining center, lathe, gear shaping machine, gear milling machine, gear grinding machine and assembling lines. Our well-equipped facilities and excellent quality control throughout all stages of production enables us to guarantee total customer satisfaction.
Besides, In 2005,we attained ISO9001 certification. As a result of our high quality products and outstanding customer service, we have gained a global sales network CHINAMFG South America, Saudi Arabia, Vietnam, Pakistan, Philippines, South Africa and other countries and regions.
With rich export experience, high quality products, competitive prices, good service and in-time delivery, we certain that we can meet all of your requirement and exceed your expectations. Our feature is bright with new cooperative relationships with companies from all over the world. We look CHINAMFG to speaking with you to future discuss how we can be of service to you.
Our Advantages
FAQ
1. Who are we?
We are the Factory, with over 25 years of production experience, based in ZheJiang , China, start from 1995,sell to Domestic Market(50.00%),Mid East(10.00%),Southeast Asia(10.00%),Western Europe(5.00%),South America(5.00%),Eastern Europe(5.00%),Eastern Asia(5.00%),North America(3.00%),Africa(2.00%),Southern Europe(2.00%),South Asia(2.00%),Central America(1.00%).
2. Can you customize according to our requirements?
Yes, we can design nonstandard products according to customer’s drawing and sample.
3.What can you buy from us?
speed reducer,gearbox,gear motor,pump,crusher
4. Why should you buy from us not from other suppliers?
Founded in 1995, with over 20 years of production experience and credibility. With professional engineer team, advanced technology production and skilled workers.Specialized in the production of reducer. Map sample processing business can be undertaken.
5. What services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,DDP,DDU,Express Delivery;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,Credit Card,PayPal,Western Union,Cash;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian
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| Application: | Motor, Machinery, Manufacturing Plant |
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| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Samples: |
US$ 2200/Piece
1 Piece(Min.Order) | Order Sample Zlyj Series Gearbox for Plastic Screw Extruder
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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How do you prevent backlash and gear play in a screw gear mechanism?
Preventing backlash and gear play in a screw gear mechanism is crucial to ensure accurate and efficient operation. Backlash refers to the clearance or play between the mating teeth of the worm gear and the worm wheel. Excessive backlash can lead to reduced accuracy, vibrations, and inefficient power transmission. Here’s a detailed explanation of how to prevent backlash and gear play in a screw gear mechanism:
- Precision Manufacturing: Proper manufacturing techniques are essential to minimize backlash in a screw gear mechanism. Precise machining processes and tight manufacturing tolerances help ensure accurate gear tooth profiles, proper gear meshing, and minimal clearance between the mating teeth. CNC (Computer Numerical Control) machining and gear hobbing are commonly used to achieve high precision in screw gear manufacturing.
- Proper Gear Design: The design of the screw gear mechanism should take into account factors that affect backlash, such as tooth profile, tooth engagement, and gear meshing. The tooth profile should be carefully designed to optimize the contact pattern and minimize clearance. Additionally, the selection of appropriate gear dimensions, such as the number of threads and tooth lead angle, can help reduce the potential for backlash.
- Preload: Applying a preload to the screw gear mechanism can help minimize backlash and gear play. Preload involves applying a slight axial force to the worm gear, which reduces the clearance between the teeth of the worm gear and the worm wheel. This preload eliminates the play and ensures a tight meshing between the gears. Proper preload is essential to prevent excessive friction and to ensure smooth operation without causing excessive wear or power losses.
- Backlash Compensation: In some applications, where precise positioning is critical, backlash compensation mechanisms can be employed. These mechanisms use additional components, such as springs or adjustable shims, to compensate for any inherent backlash in the screw gear mechanism. The compensation mechanism helps maintain accurate positioning by counteracting the effects of clearance and play.
- Quality Lubrication: Adequate lubrication is essential for minimizing friction and reducing the potential for backlash. The lubricant forms a film between the mating teeth, reducing direct metal-to-metal contact and cushioning any clearance. Proper lubrication selection, including the choice of lubricant type and viscosity, is crucial to ensure optimal performance and to minimize wear and tear.
- Maintenance and Inspection: Regular maintenance and inspection are essential to prevent and identify backlash in a screw gear mechanism. Routine checks should be performed to ensure proper lubrication, detect any signs of wear or damage, and verify the gear meshing. If backlash is detected, it should be addressed promptly by adjusting the preload or implementing necessary corrective measures.
By employing these preventive measures, engineers and technicians can minimize backlash and gear play in a screw gear mechanism, ensuring accurate and efficient operation in various applications.
How do you calculate the efficiency of a screw gear?
Calculating the efficiency of a screw gear, also known as a worm gear, involves determining the ratio of input power to output power and considering various factors that affect the overall efficiency of the gear system. Here’s a detailed explanation of how to calculate the efficiency of a screw gear:
- Measure Input Power: The first step is to measure or determine the input power to the screw gear system. This can be done by measuring the torque applied to the input shaft and the rotational speed of the input shaft. The input power can then be calculated using the formula: Input Power (Pin) = Torque (Tin) × Angular Speed (ωin).
- Measure Output Power: Next, measure or determine the output power of the screw gear system. This can be done by measuring the torque exerted by the output shaft and the rotational speed of the output shaft. The output power can be calculated using the formula: Output Power (Pout) = Torque (Tout) × Angular Speed (ωout).
- Calculate Mechanical Efficiency: The mechanical efficiency of the screw gear system is calculated by dividing the output power by the input power and multiplying the result by 100 to express it as a percentage. The formula for mechanical efficiency is: Mechanical Efficiency = (Pout/Pin) × 100%.
- Consider Efficiency Factors: It’s important to note that the mechanical efficiency calculated in the previous step represents the ideal efficiency of the screw gear system, assuming perfect conditions. However, several factors can affect the actual efficiency of the system. These factors include friction losses, lubrication efficiency, manufacturing tolerances, and wear. To obtain a more accurate assessment of the overall efficiency, these factors should be considered and accounted for in the calculations.
- Account for Friction Losses: Friction losses occur in screw gear systems due to the sliding contact between the worm gear and the worm wheel. To account for friction losses, a correction factor can be applied to the calculated mechanical efficiency. This correction factor is typically determined based on empirical data or manufacturer specifications and is subtracted from the mechanical efficiency to obtain the corrected efficiency.
- Consider Lubrication Efficiency: Proper lubrication is essential for reducing friction and improving the efficiency of screw gear systems. In practice, the lubrication efficiency can vary depending on factors such as the type of lubricant used, the lubrication method, and the operating conditions. To account for lubrication efficiency, a lubrication factor can be applied to the corrected efficiency calculated in the previous step. This factor is typically determined based on experience or manufacturer recommendations.
- Include Other Efficiency Factors: Depending on the specific application and the characteristics of the screw gear system, additional efficiency factors may need to be considered. These factors can include manufacturing tolerances, gear wear, misalignment, and other losses that can affect the overall efficiency. It’s important to assess these factors and apply appropriate correction factors or adjustments to the efficiency calculation.
By following these steps and considering the various factors that affect the efficiency of a screw gear system, it is possible to calculate a more accurate estimate of the gear’s efficiency. Keep in mind that the calculated efficiency is an approximation, and actual efficiency can vary based on operating conditions, maintenance practices, and other factors specific to the gear system and application.
How do screw gears contribute to linear motion and power transmission?
Screw gears, also known as worm gears, play a significant role in achieving linear motion and power transmission in various mechanical systems. Here’s a detailed explanation of how screw gears contribute to these functions:
Linear Motion:
Screw gears can convert rotary motion into linear motion or vice versa through the interaction between the worm and the worm wheel. The helical threads on the worm and the teeth on the worm wheel create a sliding and rolling contact that results in linear displacement along the axis of the screw. This mechanism enables precise control and positioning of linear motion in different applications.
The linear motion contribution of screw gears can be observed in the following scenarios:
- Lead Screw Mechanisms: When the worm gear is used as a lead screw, it converts the rotary motion of the worm into linear motion along the screw’s axis. By rotating the worm, the worm wheel moves linearly, allowing for controlled and precise linear positioning. Lead screw mechanisms are widely used in applications such as CNC machines, 3D printers, and linear actuators.
- Linear Motion Conversion: In certain applications, the linear motion of a load can be converted into rotary motion using screw gears. By fixing the worm wheel and applying linear force to the worm, the rotation of the worm can drive the rotary motion of other components. This conversion is utilized in applications such as conveyor systems, lifting mechanisms, and material handling equipment.
Power Transmission:
Screw gears are effective in power transmission due to their unique characteristics. Here’s how they contribute to power transmission:
- Gear Reduction: Screw gears provide significant gear reduction, which is the ratio between the input speed and the output speed. This reduction allows for a smaller input speed to generate a larger output torque, making screw gears suitable for applications requiring high torque and low-speed rotation. The gear reduction capability of screw gears enables efficient power transmission, especially in scenarios where high torque is necessary.
- Torque Multiplication: Through the interaction of the helical threads on the worm and the teeth on the worm wheel, screw gears multiply torque. The mechanical advantage gained through the screw gear mechanism enables the transmission of higher torque to drive loads with increased force. This torque multiplication is essential in applications that require heavy lifting, load handling, and power transmission with minimal slippage.
By combining the ability to convert rotary motion into linear motion and providing efficient power transmission, screw gears find widespread use in a range of applications. They are employed in industries such as manufacturing, automation, robotics, material handling, and various other systems that require precise linear motion control and effective power transmission.
editor by CX 2024-01-11