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The benefits of plastic spur gears
Plastic gears have become an essential replacement for metal gears in many applications. From low-power precision motion transmission to more demanding applications, the use of plastic gears is becoming more and more popular. Plastic gears are especially useful in the steering system of a vehicle. In addition to being a more durable material, plastic gears offer many other benefits.
Polymer gears made from durable polymers have longer wear than traditional metal gears. They are also much quieter than metal gears. Unlike metal gears, plastic gears do not rust. Also, they don’t degrade as quickly as metal gears, leading to premature failure.
When designing a plastic gear, the designer must be aware of its coefficient of thermal expansion. The thermal expansion coefficient of non-reinforced plastics is 3 to 20 times that of metals. Thermal effects also affect the long-term dimensional stability of gears. Plastic parts can also expand due to moisture absorption. This reduces gear backlash. To compensate for this effect, designers must either increase gear clearance or choose a material with a lower tendency to expand.
Plastic pinions can be made of engineering plastics such as polyacetal, MC nylon, and polyamide resins. These gears can also be constructed with metal hubs. Metal hubs can be made from S45C or stainless steel. Sometimes, 2 plastic gears are fused to form a single gear. In these cases, the holding strength of the fusion surface is greater than the strength of the teeth.
Q1. When can I get the price?
A: We usually quote within 24 hours after receiving your inquiry. If you are urgent, Please call us or let us know in your email so we can prioritize your inquiry.
Q2. How long is the lead time for the mold?
A: It all depends on the size and complexity of the mold. Usually, the delivery time is 25-35 days. If the mold is simple and insignificant, we can do it within 15 days.
Q3. I don’t have drawings; how should I start a new project?
A: You can provide us with samples, and we will help complete the drawing design.
Q4. How to ensure product quality before delivery?
A: If you do not come to our factory and there is no third-party inspection, We will be your inspector. We will give you a video with details of the production process, including process reports, product dimensions, structural and surface details, packaging details, etc.
As a plastic gear rack and plastic gear supplier, we always aim to provide the highest quality products and the most comprehensive services and look forward to cooperating with you.