产品描述
775 dc geared planetary gear 30rpm 60rpm with 7ppr encoder for medical air pump ventilator
1. Features of PG45775
Voltage: 12V 24V
Current: 3.2-18.6A
Speed: 1-2000rpm
Torque: 0.5-120kgf.cm
Typical applications: Auto shutter, pan/tilt camera, slot machine, money detector, coin refund devices, currency count machine, towel dispensers, automatic doors, office equipment, household appliances, automatic actuator, robot, conveyor, medical pistol drills, ventilator
2. Specifications of PG45775
Note: It’s the typical specification for reference only, We can choose DC motor with different voltage speed to meet your torque and speed requirement.
Company Profile
1. About us
Main Products: 1) DC Brush motor: 6-130mm diameter, 0.01-1000W output power
2) DC Spur Gear Motor: 12-110mm diameter, 0.1-300W output power
3) DC Planeary Gear Motor: 10-82mm diameter, 0.1-100W output power
4) Brushless DC Motor: 28-110mm, 5-1500W output power
5) Stepper Motor: NEMA 08 to NEMA 43, Can with gearbox and lead screw
6) Servo Motor: 42mm to 130mm diameter, 50-4000w
7) AC Gear Motor: 49 to 100mm diameter, 6-140 output power
2. Production
Production line
Packing&Delivery
认证
Customer Visits
常问问题
Q: What’s your main products?
A:We currently produce Brushed Dc Motors, Brushed Dc gear Motors, Planetary Dc Gear Motors, Brushless Dc Motors, Stepper motors and Ac Motors etc. You can check the specifications for above motors on our website and you can email us to recommend needed motors per your specification too.
Q:How to select a suitable motor?
A:If you have motor pictures or drawings to show us, or you have detailed specs like voltage, speed, torque, motor size, working mode of the motor, needed life time and noise level etc, please do not hesitate to let us know, then we can recommend suitable motor per your request accordingly.
Q: Do you have customized service for your standard motors?
A:Yes, we can customize per your request for the voltage, speed, torque and shaft size/shape. If you need additional wires/cables soldered on the terminal or need to add connectors, or capacitors or EMC we can make it too.
Q: you have individual design service for motors?
A:Yes, we would like to design motors individually for our customers, but it may need some mould charge and design charge.
Q:Can I have samples for testing first?
A:Yes, definitely you can. After confirmed the needed motor specs, we will quote and provide a proforma invoice for samples, once we get the payment, we will get a PASS from our account department to proceed samples accordingly.
Q:How do you make sure motor quality?
A:We have our own inspection procedures: for incoming materials, we have signed sample and drawing to make sure qualified incoming materials; for production process, we have tour inspection in the process and final inspection to make sure qualified products before shipping.
Q:What’s your lead time?
A:Generally speaking, our regular standard product will need 25-30days, a bit longer for customized products. But we are very flexible on the lead time, it will depend on the specific orders
Q:What’s your payment term?
A:For all our new customers, we will need 40% deposit, 60% paid before shipment.
Q:When will you reply after got my inquiries?
A:We will respond within 24 hours once get your inquires.
Q:How can I trust you to make sure my money is safe?
A:We are certified by the third party SGS and we have exported to over 85 countries up to June.2017. You can check our reputation with our current customers in your country (if our customers do not mind), or you can order via alibaba to get trade assurance from alibaba to make sure your money is safe.
Q:What’s the minimum order quantity?
A:Our minimum order quantity depends on different motor models, please email us to check. Also, we usually do not accept personal use motor orders.
Q:What’s your shipping method for motors?
A:For samples and packages less than 100kg, we usually suggest express shipping; For heavy packages, we usually suggest air shipping or sea shipping. But it all depends on our customers’ needs.
Q:What certifications do you have?
A:We currently have CE and ROSH certifications.
Q:Can you send me your price list?
A:Since we have hundreds of different products, and price varies per different specifications, we are not able to offer a price list. But we can quote within 24 hours once got your inquiries to make sure you can get the price in time.
Q:Can I visit your company?
A:Yes, welcome to visit our company, but please let us know at least 2 weeks in advance to help us make sure no other meetings during the day you visit us. Thanks!
| 应用： | Household Appliances, Auto Shutter, Pan/Tilt Camera, Slot Machine |
|---|---|
| Operating Speed: | Low Speed |
| Function: | Driving |
| Casing Protection: | Drip-Proof |
| Structure and Working Principle: | Brush |
| Certification: | Ce, RoHS |
| 示例： |
US$ 30/Piece
1 件（最低订购量） | |
|---|
| 定制化： |
可用的
| 定制请求 |
|---|
行星齿轮机构如何处理负载和应力的变化？
行星齿轮机构在应对负载和应力变化方面具有固有的优势。让我们来探讨一下它是如何实现这一点的：
- 分布式负载：
行星齿轮机构的主要优势之一在于其能够将载荷分散到多个齿轮上。在这种机构中，载荷由太阳轮、行星轮和齿圈共同承担，每个齿轮分担一部分总载荷。因此，与单齿轮系统相比，每个齿轮上的载荷都得以降低，从而减少了应力集中，提高了整体承载能力。
- 负载分担：
行星齿轮系统中，行星齿轮与太阳轮和环形齿轮啮合，从而分担载荷。这种载荷分担特性确保载荷均匀分布在多个齿轮齿和接触点上。因此，每个齿轮上的应力得以降低，最大限度地减少了齿轮失效的风险，并提高了系统的耐久性。
- 扭矩分配：
在行星齿轮机构中，扭矩可以分配到多个路径上。通过控制太阳轮和环形齿轮之间的扭矩分配，可以有效地应对负载变化。如果某个齿轮路径承受较大的应力，可以调整扭矩分配，将负载转移到其他齿轮路径上，从而平衡应力，最大限度地降低齿轮失效的风险。
- 多阶段：
行星齿轮机构可以设计成多级结构，包含多组太阳轮、行星轮和环形齿轮。每一级可以承受一部分载荷，从而进一步分散载荷并降低应力。这种多级结构增强了齿轮机构应对载荷和应力变化的能力，使其适用于严苛的应用环境。
- 结构坚固：
行星齿轮系统以其坚固的结构和高扭矩容量而闻名。它们的设计旨在承受重载并抵抗应力集中的影响。采用优质材料和精密制造工艺进一步增强了它们应对负载和应力变化的能力。
总而言之，行星齿轮机构通过负载均衡、扭矩分配、多级传动和坚固的结构来应对负载和应力的变化。通过将负载分配到多个齿轮上、在不同路径间分担负载以及采用多级传动，行星齿轮机构能够有效地管理负载和应力的变化，从而确保在各种应用中可靠、持久地运行。
行星齿轮在运行过程中如何处理齿轮啮合的变化？
行星齿轮的设计旨在应对运行过程中齿轮啮合的变化，从而确保平稳可靠的性能。让我们来探讨一下行星齿轮是如何应对这些变化的：
- 偏差容差：
行星齿轮的设计具有一定的容错范围。这意味着，由于制造公差、装配或运行条件造成的齿轮啮合轻微偏差，都能被容忍，而不会对齿轮系统造成显著影响。齿轮齿形经过精心设计，具有合适的齿廓、间隙和齿隙，以允许一定程度的容错，同时保持其正常运转。
- 负载分配：
行星齿轮系统中多个行星齿轮的排列有助于将载荷分散到多个齿轮齿上。每个行星齿轮都与相邻齿轮分担载荷，从而降低单个齿轮齿的应力，并促进齿轮均匀啮合。这种载荷分散能力有助于最大限度地减少局部磨损、噪音和振动，从而实现更平稳、更高效的运行。
- 灵活的安装和支撑：
行星齿轮通常安装在柔性支撑结构上，例如轴承或柔性联轴器。这些部件有助于吸收和补偿运行过程中齿轮啮合的微小变化。柔性安装和支撑系统提供了一定的灵活性和顺应性，使齿轮能够在不同的运行条件下进行自我调整并保持正确的齿轮啮合。
- 润滑和冷却：
适当的润滑和冷却对于应对齿轮啮合变化至关重要。润滑剂可以减少齿轮齿间的摩擦和磨损，确保运转平稳，并最大限度地降低齿轮啮合变化的影响。此外，有效的冷却机制有助于散发运转过程中产生的热量，防止温度过高，从而避免影响齿轮啮合性能。
- 结构坚固：
行星齿轮通常采用高强度材料和精密制造工艺制造。这种坚固的结构增强了齿轮系统承受齿啮合变化的能力。通过确保高质量的齿轮部件、适当的热处理和严格的质量控制，行星齿轮能够承受运行过程中遇到的动态载荷和变化。
总而言之，行星齿轮通过其对不对中情况的容差、多个行星齿轮间的载荷分配、灵活的安装和支撑、有效的润滑和冷却以及坚固的结构来应对齿啮合的变化。这些设计考虑和特性使行星齿轮能够保持良好的齿啮合，最大限度地减少磨损和噪音，并确保在包括汽车变速器、工业机械和动力传输系统在内的各种应用中可靠运行。
What is the purpose of using planetary gears in machinery?
Planetary gears serve several important purposes in machinery and mechanical systems. Let’s delve into the key purposes and benefits of using planetary gears:
- 齿轮比变化：
One of the primary purposes of planetary gears is to achieve different gear ratios. By varying the number of teeth on the sun gear, planet gears, and ring gear, a wide range of gear ratios can be obtained. This flexibility enables machinery to adapt to varying speed and torque requirements, allowing for precise control and efficient power transmission.
- 扭矩放大：
Planetary gears are known for their ability to amplify torque. The arrangement of multiple gear sets in a compact design allows for torque multiplication. This can be particularly beneficial in applications where high torque is required while maintaining a smaller form factor. Planetary gears can efficiently transmit torque and handle heavy loads.
- Compact Size:
Another advantage of planetary gears is their compact size. The internal gear meshing and the integration of multiple gear sets within a single gear system contribute to their space-saving design. This compactness is valuable in machinery where space constraints are a consideration, enabling the design of more compact and lightweight systems.
- High Efficiency:
Planetary gears are known for their high efficiency in power transmission. The internal gear meshing and the distribution of load across multiple gear teeth result in efficient torque transfer with minimal power loss. This efficiency is crucial in machinery where energy conservation and optimization are important factors.
- Directional Control:
Planetary gears allow for bidirectional power transmission. By controlling the direction of rotation of the input and output elements, the direction of rotation in the machinery can be easily changed. This feature is useful in applications that require reversing the direction of rotation or changing the rotational direction without the need for additional mechanisms.
- Shock Absorption:
The arrangement of multiple gears in a planetary gear system provides inherent shock-absorbing capabilities. The distributed load between the gear teeth helps to dampen vibrations and absorb shocks, contributing to smoother operation and reduced wear on the system components.
- Application Versatility:
Planetary gears find applications in a wide range of machinery and mechanical systems. They are commonly used in automotive transmissions, industrial machinery, robotics, aerospace systems, power generation equipment, and more. The versatility of planetary gears stems from their ability to provide precise control, compactness, high torque transmission, and efficient power transmission.
In summary, the purpose of using planetary gears in machinery is to achieve variable gear ratios, amplify torque, maintain compact size, ensure high efficiency in power transmission, enable bidirectional control, absorb shocks, and provide versatility for various applications. The unique characteristics of planetary gears make them valuable components in diverse machinery and mechanical systems.
editor by CX 2023-11-02
