Acetal Spur Gears
Description
Acetal spur gears are mechanical components used to transmit motion and force between parallel shafts. They are characterized by their straight teeth, which are mounted on a cylindrical gear body. These gears are made from acetal, a type of thermoplastic known for its strength and durability.
Working Principle
Acetal spur gears operate by meshing their teeth with those of another gear, allowing for the transfer of rotational motion and torque. The straight teeth of spur gears ensure smooth and efficient power transmission, making them ideal for applications requiring precise motion control. The use of acetal as a material provides excellent dimensional stability and resistance to fatigue and chemicals, enhancing the gear's performance and longevity.
Applications
Acetal spur gears are widely used in various industries due to their reliability and efficiency. Specific examples include their use in automotive systems, where they are employed in components such as windshield wiper systems and seat adjusters. They are also found in office equipment like printers and copiers, as well as in household appliances such as washing machines and dishwashers.
Advantages over other Materials - Composites, Textiles and Reinforcements
Acetal spur gears offer several advantages over gears made from composites, textiles, and reinforcements. They provide superior noise reduction and improved durability, which can lead to a significant reduction in total drive costs, as seen in gear motor drives for convalescent beds . Additionally, the injection molding process used for acetal gears is faster and more economical than traditional metal gear manufacturing methods, resulting in cost savings of up to one-half to one-tenth compared to metal gears .
Limitations
Despite their advantages, acetal spur gears have limitations. They are less robust than metal gears and can be vulnerable to temperature changes and chemical corrosion . This makes them unsuitable for applications involving extreme environmental conditions or high mechanical loads.
Considerations
When considering acetal spur gears, it is important to evaluate factors such as initial costs, operating expenses, and maintenance requirements. Acetal gears generally have lower initial costs due to the economical injection molding process . However, their durability and accuracy may be affected by environmental factors, necessitating regular maintenance and potential replacement in harsh conditions. Additionally, while they offer cost advantages in production, their performance in high-stress applications may be limited compared to metal gears.
from KHK USA, Inc.
These fine pitch, acetal spur gears have an integral stainless steel hub locking mechanism which enables the gear to be fastened to the shaft without any keys or set screws. Please note that all J-Series, E-Series, F-Series, H-Series, HJ-Series & S-Series products are made-to-order,... [See More]
- Material: Acetal; Polyacetal (Hub: SUS303); Polyacetal (Hub: SUS303)
- Design: Metric
- Number of Teeth: 100
- Pressure Angle: 20°; 20 º
from Stock Drive Products & Sterling Instrument - SDP/SI
Our plastic spur gears are available in a variety of materials, including: Acetal, Brass Insert. Acetal, Stainless Steel Hub. Acetal Rim, Aluminum Core. Bakelite. Nylon. With a variety of fastening styles, including: Fairloc ®. Hubless. Pin-Type Hub. You May Also Need: Shafts. Bearings. [See More]
- Material: Brass; Acetal; Acetal, Brass Insert
- Design: English
- Number of Teeth: 12
- Pressure Angle: 20°
from Stock Drive Products & Sterling Instrument - SDP/SI
Our plastic spur gears are available in a variety of materials, including: Acetal, Brass Insert. Acetal, Stainless Steel Hub. Acetal Rim, Aluminum Core. Bakelite. Nylon. With a variety of fastening styles, including: Fairloc ®. Hubless. Pin-Type Hub. You May Also Need: Shafts. Bearings. [See More]
- Material: Brass; Acetal; Acetal / Brass Insert
- Design: Metric
- Number of Teeth: 100
- Pressure Angle: 20°
from W.M. Berg
Spur Gears are the most recognized style of gear. Spur Gears are used exclusively to transmit rotary motion between parallel shafts, while maintaining uniform speed and torque. The involute tooth form, being the simplest to generate, permits high manufacturing tolerances to be attained. Pitch: 12 to... [See More]
- Material: Acetal
- PD: 0.62
- Pressure Angle: 20°
- Bore Diameter: 0.2500
from Shenzhen Besta Precision Machinery Co., Ltd.
Besta offers extensive manufacturing capabilities for helical gears in diverse sizes, types, base materials, and shaft types. We can produce large-scale helical gears, measuring up to 1200mm in diameter. Diametrical pitch can run to 1.25, with up to a 20 module. The minimum diametrical pitch of... [See More]
- Material: Aluminum; Brass; Bronze; Cast Iron; Steel; Stainless; Acetal; Delrin; Nylon; Polycarbonate
- Module: 0.5 - 25
- Design: Metric
- OD: 1600
from Huco Dynatork
Injection moulded gears with machined bores. Pressure angle is 20 °. Suitable for running temperatures up to 100 °C with an intermittent temperature limit of 150 °C. High strength and low friction coefficient make these gears a popular choice for many applications, including underwater [See More]
- Material: Acetal
- Pressure Angle: 20°
- Design: Metric
- Gear Center: Center Bore
from QTC METRIC GEARS
Module 1, 45 Tooth, Duracon Spur Gear with Stainless Fairloc Hub [See More]
- Material: Acetal
- Design: Metric
- Number of Teeth: 45
- Pressure Angle: 20°
from Circle Gear & Machine Co., Inc.
As a full service provider of gear manufacturing services, Circle Gear & Machine Co. features full machining capabilities for all types of spur gears. Through nearly any process required for the end application, our spur gears are fabricated based on your needs. Our spur gears are manufactured... [See More]
- Material: Aluminum; Brass; Bronze; Cast Iron; Steel; Stainless; Acetal; Delrin; Nylon; Polycarbonate; Ductile Iron; Polyester
- OD: 120
- Design: English
from Ondrives.US Corporation, formerly Rino Mechanical
A gear is a rotating machine part that utilizes cut teeth, or cogs, to mesh with another toothed part —usually another gear or a linear toothed part (called a gear rack) —to transmit rotational motion and torque. By using a combination of precision gears with the correct ratio, the... [See More]
- Material: Aluminum; Stainless; Acetal
- Design: English
- Number of Teeth: 10 to 288
- Features: Anti-backlash
from Shenzhen Besta Precision Machinery Co., Ltd.
As a full service provider of gear manufacturing services, Besta features full machining capabilities for all types of spur gears. Through nearly any process required for the end application, our spur gears are fabricated based on your needs. Our spur gears are manufactured in small or large sizes,... [See More]
- Material: Aluminum; Brass; Bronze; Cast Iron; Steel; Stainless; Acetal; Delrin; Nylon; Polycarbonate
- Module: 0.5 - 24
- Design: Metric
- OD: 1600