Plastic spur gears, also referred to as straight-cut gears, are cylindrical components with teeth parallel to the gear axis. These gears are crucial in transmitting motion between parallel shafts efficiently.
The Plastic Spur Gear (Cylindrical Gear) capacity of welle manufacturers including process, material, weight and size is listed as follows:
✧ Plastic Process: Insert& Overmolding, Double Injection molding, Plastic Gear Molding, Prototype Molding, CNC Machining
✧ Plastic Material: Nylon, Acetal/POM, ABS/PC, U-PE, PEEK, etc.
✧ Gear Quality: JIS 2( B 1702),JIS N6(B 17020-02),AGMA 12 (390.01~03);
In addition, in situations where the temperature difference in the operating environment is large, the diameter of the gears is large, and the keyway load is high, S45C or stainless steel wheels can be used.
Generally, the wheel hub and gear teeth are connected and fixed with screws. If these two parts cannot be connected together with screws, Insert molding technology can be used to fuse the two parts together. The fused spur gear is in this form, and welle’s fused spur gear has a higher strength of the fused surface than the tooth strength.
The characteristics of plastic gears are lightweight, rust free, and silent. Plastic Injection molding gear can be used for large-scale low-cost production, and when used in conjunction with metal gears, no lubricating oil is required. But at the same time, it also has weaknesses such as low strength, easy heat storage, and larger side clearance and size changes compared to metal gears that need to be noted. The degree of size variation of plastic spur gears also varies depending on their temperature resistance, water absorption, and drug resistance.
Mainly used in various industries such as food processing machinery, household appliances, chemistry, toys, medical machinery, etc.
Manufacturing Process:
- Injection Molding: Plastic spur gears are commonly manufactured using injection molding, allowing for cost-effective mass production and intricate designs.
- Machining: Precision machining processes may be employed for specialized applications requiring tight tolerances.
Materials: Plastic spur gears are crafted from a variety of thermoplastics such as nylon, acetal, polyethylene, and more. Material selection depends on factors like load-bearing requirements, environmental conditions, and wear resistance.
Quality Requirements: Quality control focuses on maintaining precise tooth geometry to ensure minimal friction, noise, and wear during operation. Rigorous testing is conducted to guarantee durability and consistent performance.
Applications: Plastic spur gears find applications across diverse industries and products, including:
- Automotive: Power windows, windshield wipers, and various internal mechanisms.
- Electronics: Printers, copiers, and other office equipment.
- Home Appliances: Washing machines, blenders, and kitchen appliances.
- Industrial Machinery: Conveyors, packaging machinery, and gearboxes.
Future Market Trends (Post-2024):
- Material Advancements: Ongoing exploration of high-performance plastics for enhanced durability.
- Customization: Increasing demand for tailored plastic spur gears to meet specific application requirements.
- Smart Manufacturing Integration: Adoption of Industry 4.0 technologies for improved production efficiency and maintenance.
- Lightweight Solutions: Focus on lightweight design for energy efficiency and reduced inertia.
- Sustainable Practices: Growing interest in recyclable and eco-friendly plastic materials to align with global sustainability goals.
As the market progresses beyond 2024, plastic spur gears are anticipated to witness advancements in materials, customization options, smart manufacturing integration, lightweight design, and sustainable practices, ensuring their continued relevance across various industries.
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