China manufacturer Good Rigidity Delrin Helical Gear top gear

Product Description

Good rigidity Delrin helical gear

POM(Polyformaldehyde) is a engineering plastics of non-side-chain, high density, high crystalline and linear polymer, which is praised “Plastic Steel”, and has comprehensive excellent performances, such as: Wear-resistance, high hardness, anti-impregnant, good rigidity (Tensile modulus of elasticity), chemical stability, isolation resistance and dimensional stability. POM has widely applied in Automobile industries, electronic and electric products, commodity, pipeline & fittings, exact apparatus and so on, which can be instead of the bronze, Zinc, tin and other metals.

Except POM-H is often copolymerized with ethylene oxide together, in order to avoid the melting of POM material in the high temperature. POM-H has the better performances than POM-C in its high crystalline, mechanical strength and rigidity. And POM-C has the better performances than POM-H in its low melting point, temperature stability, fluxion characteristic and machining capability.
Father more, POM-H+PTFE, which is made from the Delrin POM Resin that maxed Teflon fiber symmetrically, has the low co-efficient of frication, good lubrication, wear-resistance, non-creepage resistance.

Automobile industries: POM has a large application in car industries, because the mechanical parts made by POM, which has the advantages of high mechanical strength, high hardness, good wear-resistance, low co-efficient of friction, easy to maintain, reducing cost and so on, can be used in cars instead of coppery half stalk and planet gear. It not only saving copper materials, but also improving service life. At the engine fuel system, components for hose valves and case cover of radiator, cooling fluid’s standby case, water valve, oil box’ cover, pump impeller, shell of gasification machine and accelerator pedal and so on.

Electronic and electric Industries: Because of its lower power consuming, high dielectric strength and insulation resistance and electronic arc resistance, POM has widely applied in electronic and electric Industries, such as: Shell of electronic spanner, shell of electronic scissors, shell of coal drilling machine, handle of switch, parts also for phone, wireless recorder, video tape recorder, television, computer, electrograph, calculagraph, bracket of recorder tape and so on.

Agricultural machine: Part of manual sprayer, joint and transport part of seeder, parts of milk machine, shell of irrigation and drainage, valve, joint and bush of water and so on.

Other field:
Pharmacy & packing Machine: Transporting screw, planet gear, gear bar, chain wheel and cushion bar and so on.
Construction industries: Water tap, window frame, wash pot, water tank, pulley for portiere, shell of water meter and tie-in of water pipe.

Property Item No. Unit POM-C POM-H POM-H+PTFE
Mechanical Properties 1 Density g/cm3 1.41 1.43 1.50
2  Water absorption(23ºCin air) % 0.20 0.20 0.17
3 Tensile strength MPa 68 78 55
4 Tensile strain at break % 35 35 10
5 Compressive stress(at 2%nominal strain) MPa 35 40 37
6 Charpy impact strength (unnotched) KJ/m 2 ≥150 ≥200 ≥30
7 Charpy impact strength (notched) KJ/m 2 7 10 3
8 Tensile modulus of elasticity MPa 3100 3600 3200
9 Ball indentation hardness N/mm 2 140 160 140
  10 Rockwell hardness M84 M88 M84

 

Material: POM
Color: Black, White
Tooling: CNC Lathe
Size: According to Drawing or Sample
Transport Package: Packing in Paper Carton and Wooden Pallet
Specification: RoHS
Customization:
Available

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Customized Request

helical gear

What lubrication is required for helical gears?

Proper lubrication is essential for the optimal performance and longevity of helical gears. The lubrication requirements for helical gears depend on factors such as the operating conditions, gear materials, and manufacturer recommendations. Here’s a detailed explanation of the lubrication considerations for helical gears:

  • Lubricant Selection: The choice of lubricant for helical gears should be based on factors such as operating temperature, load, speed, and environmental conditions. Commonly used lubricants for helical gears include mineral oils, synthetic oils, and greases. Consult the gear manufacturer’s specifications or industry standards to determine the appropriate lubricant viscosity and type for your specific application.
  • Viscosity: The lubricant viscosity is an important parameter that influences the lubricating film thickness and the ability to separate the gear surfaces. The viscosity should be selected based on the operating conditions, taking into account factors such as temperature, speed, and load. Higher viscosity lubricants are typically used for heavy-duty applications or high-temperature environments, while lower viscosity lubricants may be suitable for lighter loads or lower speeds.
  • Extreme Pressure (EP) Additives: Helical gears, especially those operating under high loads or with high sliding velocities, may benefit from lubricants containing extreme pressure (EP) additives. EP additives help to reduce friction and wear by forming a protective film on the gear surfaces, preventing metal-to-metal contact and minimizing the risk of scuffing or scoring. EP additives are particularly important for helical gears in industrial machinery, automotive transmissions, and gearboxes.
  • Lubrication Method: The lubrication method for helical gears can vary depending on the gear design and application. Common methods include splash lubrication, oil bath lubrication, forced circulation systems, and oil mist lubrication. The lubrication method should ensure that an adequate amount of lubricant reaches the gear mesh to provide proper lubrication, cooling, and debris removal during operation.
  • Frequency of Lubrication: Regular lubrication maintenance is crucial for helical gears. The lubrication intervals should be determined based on factors such as the gear operating conditions, lubricant type, and gear manufacturer recommendations. Periodic inspections should be conducted to monitor the lubricant condition, check for contamination or degradation, and replenish or replace the lubricant as needed.
  • Proper Lubricant Application: When applying the lubricant to helical gears, ensure that the gear teeth and bearings are adequately coated. Pay attention to reaching areas of high friction and contact, such as the gear mesh and tooth roots. Follow the gear manufacturer’s recommendations or guidelines for the proper lubrication technique, which may involve methods such as oil bath immersion, drip lubrication, or centralized lubrication systems.
  • Contamination Control: Contamination can significantly affect the performance and lifespan of helical gears. Take measures to prevent the ingress of contaminants such as dirt, dust, moisture, and metal particles into the gear system. Use proper sealing arrangements, filtration systems, and regular maintenance practices to maintain a clean and contamination-free lubrication environment.

It is important to note that the lubrication requirements may vary depending on specific gear designs, materials, and operating conditions. Always refer to the gear manufacturer’s recommendations, industry standards, and consult with lubrication experts or engineers to determine the most suitable lubrication approach for your helical gear application.

helical gear

Can helical gears be used in both horizontal and vertical orientations?

Yes, helical gears can be used in both horizontal and vertical orientations. The design and characteristics of helical gears make them versatile and suitable for various orientations and applications. Here’s a detailed explanation of why helical gears can be used in both horizontal and vertical orientations:

  • Load Distribution: Helical gears are capable of distributing loads over multiple teeth due to their inclined tooth profile. This design feature allows for efficient load sharing and helps minimize localized stresses on individual teeth. Regardless of whether the gears are in a horizontal or vertical orientation, the load distribution capability of helical gears remains effective, ensuring reliable and durable performance.
  • Lubrication: Proper lubrication is crucial for the smooth operation of gears, regardless of their orientation. Helical gears can be adequately lubricated in both horizontal and vertical orientations to minimize friction, wear, and heat generation. The lubricant forms a film between the gear teeth, reducing contact stresses and facilitating efficient power transmission.
  • Bearing Support: In both horizontal and vertical orientations, helical gears can be supported by suitable bearings to maintain proper alignment and reduce axial and radial loads. The bearing arrangement is designed to accommodate the specific orientation and loads encountered, ensuring stable and precise gear meshing.
  • Alignment and Mounting: Proper alignment and mounting are essential for helical gears, regardless of their orientation. In horizontal orientations, gears can be mounted on shafts using suitable keyways, splines, or other fastening methods. In vertical orientations, additional considerations may be necessary to secure the gears and prevent axial movement. Ensuring accurate alignment during installation helps maintain optimal gear meshing and reduces noise, vibrations, and premature wear.
  • Oil Splash Lubrication in Vertical Orientation: In vertical orientations, helical gears can benefit from oil splash lubrication. By strategically positioning oil reservoirs and splash guards, the gears can be effectively lubricated as the rotating gears agitate the lubricant, causing it to splash and reach all necessary surfaces. This method helps ensure adequate lubrication even in vertical orientations where gravity affects the flow of lubricant.
  • Additional Considerations for Vertical Orientation: While helical gears can be used in vertical orientations, it’s important to consider additional factors that may come into play. In vertical applications, the weight of the gears and potential thrust forces need to be appropriately supported to prevent excessive axial loading or gear displacement. Proper housing design, bearing selection, and lubrication considerations should account for these factors to ensure reliable operation.

In summary, helical gears are versatile and can be used in both horizontal and vertical orientations. Their load distribution capabilities, ability to be properly lubricated, suitable bearing support, and the importance of alignment and mounting make them suitable for various applications and orientations. By considering specific factors related to the orientation, engineers can ensure the reliable and efficient performance of helical gears in both horizontal and vertical arrangements.

helical gear

What are the applications of helical gears?

Helical gears find wide-ranging applications in various mechanical systems due to their advantageous characteristics and capabilities. Here’s a detailed explanation of the applications of helical gears:

1. Power Transmission: Helical gears are commonly used for power transmission in a wide range of industries. They are employed in machinery and equipment where rotational motion needs to be transmitted between parallel shafts. Examples include gearboxes, industrial machinery, conveyors, and automotive transmissions.

2. Rotary Motion Control: Helical gears are used in applications where precise rotary motion control is required. They provide smooth and accurate motion transfer, making them suitable for applications such as robotics, precision equipment, machine tools, and positioning systems.

3. High Torque Applications: Due to their design and tooth engagement characteristics, helical gears are well-suited for high torque applications. They can efficiently transmit substantial power and handle heavy loads. This makes them suitable for heavy machinery, construction equipment, mining machinery, and marine propulsion systems.

4. Automotive Industry: Helical gears are extensively used in automotive applications. They are found in transmissions, differentials, and powertrain systems, where they facilitate smooth and efficient power transmission while reducing noise and vibration. Helical gears help achieve the desired gear ratios and torque multiplication in vehicles.

5. Machine Tools: Machine tools, such as milling machines, lathes, and gear hobbing machines, utilize helical gears for precise motion control and power transmission. Helical gears enable accurate and smooth rotation of cutting tools and workpieces, contributing to the high precision and quality of machined components.

6. Printing Industry: Helical gears are used in printing presses and other printing equipment. They facilitate the precise movement of paper and printing plates, ensuring accurate registration and high-quality printing results.

7. Textile Industry: In the textile industry, helical gears are employed in various machinery and equipment. They are used in spinning machines, weaving machines, and other textile processing equipment that require precise motion control and power transmission for efficient textile production.

8. Oil and Gas Industry: Helical gears are utilized in oil and gas equipment and machinery. They are found in pumps, compressors, drilling rigs, and other critical components where high torque transmission and reliable motion control are essential for efficient operations.

9. Power Generation: Helical gears play a crucial role in power generation systems. They are employed in wind turbines, hydroelectric generators, and other power generation equipment to transmit rotational motion from the turbine or generator shaft to the electrical generator, ensuring efficient electricity production.

10. General Machinery: Helical gears have diverse applications in general machinery across various industries. They are used in packaging equipment, food processing machinery, material handling systems, and numerous other mechanical systems that require reliable power transmission and precise motion control.

The versatility, load-carrying capacity, and smooth operation of helical gears make them suitable for numerous applications in different industries. The specific design, tooth profile, helix angle, and material selection can be tailored to meet the requirements of each application, ensuring optimal performance and longevity of the gear system.

China manufacturer Good Rigidity Delrin Helical Gear top gearChina manufacturer Good Rigidity Delrin Helical Gear top gear
editor by CX 2023-09-05