Deskripsi Produk
Precision planetary gear reducer is a new-generation of product developed by our company, with a compromise of advanced technology both at home and abroad, its main features are as follows:
1. Low noise: under 65db.
2. Low backlash: within 3 arcmin.
3. High efficiency: 97% for 1 stage, 94% for 2 stages.
4. High input speed: Rated input speed 3000rpm, max input speed 6000 rpm.
5. High output torque: higher torque output than that of conventional planetary gear reducer.
6. High stability hardening,which extends gear service life and maintain high accuracy as new after a long period of operation.
Precicion planetary gear reducer is widely used in the following fields:
1. Aerospace industries.
2. Medical health, electronic information industries.
3. Industrial robots, productin automation, CNC machine tool manufacturing industries.
4. Motor,textile,printing,food,metallurgical,envrironment protection engineering, warehouse logistics industries.
About Xingda since 1984
HangZhou Melchizedek Import & Export Co., Ltd. is a leader manufactur in mechanism field and punching/stamp
ing field since 1984. Our main product, NMRV worm gear speed reducer and series helical gearbox, XDR,
XDF, XDK, XDShave reached the advanced technique index of the congeneric European and Janpanese produc
ts, We offer standard gears, sprockets, chains, pulleys, couplings, bushes and so on. We also can accept orders
of non-standard products, such as gears, shafts, punching parts ect, according to customers’ Drawings or sam-
ples.
Our company has complete set of equipment including CNC, lathes, milling machines, gear hobbing machine, g-
ear grinding machine, gear honing machine, gear shaping machine, worm grinder, grinding machines, drilling m-
achines, boringmachines, planer, drawing benches, punches, hydraulic presses, plate shearing machines and s-
o on. We have advanced testing equipments also.
Our company has established favorable cooperation relationships with sub-suppliers involving casting, raw mat-
erial, heat treatment, surface finishing and so on.
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| Aplikasi: | Motor, Machinery |
|---|---|
| Kekerasan: | Permukaan Gigi yang Mengeras |
| Instalasi: | Tipe Vertikal |
| Bentuk Roda Gigi: | Helical Gear |
| Melangkah: | Langkah Tunggal |
| Type: | Planetary Gear Reducer |
| Sampel: |
US$ 230/Piece
1 Buah (Min.Pesanan) | |
|---|
| Kustomisasi: |
Tersedia
| Permintaan Khusus |
|---|
Impact of Gear Tooth Design and Profile on the Efficiency of Planetary Gearboxes
The design and profile of gear teeth have a significant impact on the efficiency of planetary gearboxes:
- Tooth Profile: The tooth profile, such as involute, cycloid, or modified profiles, affects the contact pattern and load distribution between gear teeth. An optimized profile minimizes stress concentration and ensures smooth meshing, contributing to higher efficiency.
- Tooth Shape: The shape of gear teeth influences the amount of sliding and rolling motion during meshing. Gear teeth designed for more rolling and less sliding motion reduce friction and wear, enhancing overall efficiency.
- Pressure Angle: The pressure angle at which gear teeth engage affects the force distribution and efficiency. Larger pressure angles can lead to higher efficiency due to improved load sharing, but they may require more space.
- Tooth Thickness and Width: Optimized tooth thickness and width contribute to distributing the load more evenly across the gear face. Proper sizing reduces stress and increases efficiency.
- Backlash: Backlash, the gap between meshing gear teeth, impacts efficiency by causing vibrations and energy losses. Properly controlled backlash minimizes these effects and improves efficiency.
- Tooth Surface Finish: Smoother tooth surfaces reduce friction and wear. Proper surface finish, achieved through grinding or honing, enhances efficiency by reducing energy losses due to friction.
- Material Selection: The choice of gear material influences wear, heat generation, and overall efficiency. Materials with good wear resistance and low friction coefficients contribute to higher efficiency.
- Profile Modification: Profile modifications, such as tip and root relief, optimize tooth contact and reduce interference. These modifications minimize friction and increase efficiency.
In summary, the design and profile of gear teeth play a crucial role in determining the efficiency of planetary gearboxes. Optimal tooth profiles, shapes, pressure angles, thicknesses, widths, surface finishes, and material selections all contribute to reducing friction, wear, and energy losses, resulting in improved overall efficiency.
Meningkatkan Kinerja Sistem Turbin Angin dengan Planetary Gearbox
Gearbox planetary memainkan peran penting dalam meningkatkan kinerja dan efisiensi sistem turbin angin. Berikut kontribusinya:
1. Konversi Kecepatan: Turbin angin beroperasi optimal pada kecepatan putar tertentu untuk menghasilkan listrik secara efisien. Gearbox planetary memungkinkan konversi kecepatan antara kecepatan putar rendah rotor turbin angin dan kecepatan tinggi yang dibutuhkan generator. Adaptasi kecepatan ini memastikan generator beroperasi pada efisiensi puncaknya, menghasilkan pembangkitan daya maksimum.
2. Amplifikasi Torsi: Bilah turbin angin dapat mengalami perubahan kecepatan angin, yang mengakibatkan beban torsi yang berfluktuasi. Gearbox planetary dapat memperkuat torsi yang dihasilkan oleh bilah rotor sebelum menyalurkannya ke generator. Penggandaan torsi ini membantu menjaga kestabilan operasi generator bahkan saat kecepatan angin berfluktuasi, sehingga meningkatkan produksi energi secara keseluruhan.
3. Desain Kompak: Turbin angin sering dipasang di lokasi dengan ruang terbatas, seperti anjungan lepas pantai atau daerah padat penduduk. Gearbox planetary menawarkan desain yang ringkas, memungkinkan transmisi daya yang efisien dalam ruang yang kecil. Kekompakan ini sangat penting untuk mengakomodasi gearbox di ruang nacelle turbin angin yang terbatas.
4. Distribusi Beban: Turbin angin menghadapi berbagai kondisi angin, termasuk hembusan angin kencang dan turbulensi. Gearbox planetary mendistribusikan beban secara merata di antara beberapa planet gear, mengurangi tekanan dan keausan pada masing-masing komponen. Distribusi beban yang seimbang ini meningkatkan daya tahan dan keandalan gearbox.
5. Optimalisasi Efisiensi: Gearbox planetary dikenal karena efisiensinya yang tinggi berkat susunan sumbu paralel dan beberapa tingkat gigi. Transmisi daya yang efisien meminimalkan kehilangan energi di dalam gearbox, sehingga menghasilkan lebih banyak daya yang dikonversi dari energi angin menjadi listrik.
6. Pemeliharaan dan Keandalan: Konstruksi planetary gearbox yang kokoh berkontribusi pada daya tahan dan umur pakainya. Turbin angin sering beroperasi di lingkungan yang menantang, dan keandalan gearbox sangat penting untuk meminimalkan perawatan dan waktu henti. Rendahnya kebutuhan perawatan dan kemampuan planetary gearbox untuk menangani berbagai beban berkontribusi pada keandalan sistem turbin angin secara keseluruhan.
7. Kontrol Kecepatan Variabel: Beberapa turbin angin menggunakan operasi kecepatan variabel untuk mengoptimalkan pembangkitan daya pada berbagai kecepatan angin. Gearbox planetary dapat memfasilitasi kontrol kecepatan variabel dengan menyesuaikan rasio roda gigi agar sesuai dengan kondisi angin. Fleksibilitas ini meningkatkan penangkapan energi dan mengurangi tekanan pada komponen turbin.
8. Adaptasi terhadap Ukuran Turbin: Gearbox planetary tersedia dalam berbagai ukuran dan rasio roda gigi, sehingga mudah disesuaikan dengan berbagai ukuran turbin dan daya keluaran. Fleksibilitas ini memungkinkan produsen turbin angin untuk memilih gearbox yang sesuai dengan kebutuhan proyek tertentu.
Secara keseluruhan, planetary gearbox memainkan peran penting dalam mengoptimalkan kinerja, efisiensi, dan keandalan sistem turbin angin. Kemampuannya untuk mengubah kecepatan, memperkuat torsi, dan mendistribusikan beban menjadikannya komponen kunci dalam memanfaatkan energi angin untuk pembangkit listrik yang bersih dan berkelanjutan.
Design Principles and Functions of Planetary Gearboxes
Planetary gearboxes, also known as epicyclic gearboxes, are a type of gearbox that consists of one or more planet gears that revolve around a central sun gear, all contained within an outer ring gear. The design principles and functions of planetary gearboxes are based on this unique arrangement:
- Perlengkapan Matahari: The sun gear is positioned at the center and is connected to the input shaft. It transmits power from the input source to the planetary gears.
- Roda Gigi Planet: Planet gears are small gears that rotate around the sun gear. They are typically mounted on a carrier, which is connected to the output shaft. The interaction between the planet gears and the sun gear creates both speed reduction and torque amplification.
- Ring Gear: The outer ring gear is stationary and surrounds the planet gears. The teeth of the planet gears mesh with the teeth of the ring gear. The ring gear serves as the housing for the planet gears and provides a fixed outer reference point.
- Fungsi: Planetary gearboxes offer various gear reduction ratios by altering the arrangement of the input, output, and planet gears. Depending on the configuration, the sun gear, planet gears, or ring gear can serve as the input, output, or stationary element. This flexibility allows planetary gearboxes to achieve different torque and speed combinations.
- Gear Reduction: In a planetary gearbox, the planet gears rotate while also revolving around the sun gear. This double motion creates multiple gear meshing points, distributing the load and enhancing torque transmission. The output shaft, connected to the planet carrier, rotates at a lower speed and higher torque than the input shaft.
- Torque Amplification: Due to the multiple points of contact between the planet gears and the sun gear, planetary gearboxes can achieve torque amplification. The arrangement of gears allows for load sharing and distribution, leading to efficient torque transmission.
- Compact Size: The compact design of planetary gearboxes, achieved by stacking the gears concentrically, makes them suitable for applications where space is limited.
- Multiple Stages: Planetary gearboxes can be designed with multiple stages, where the output of one stage becomes the input of the next. This arrangement allows for high gear reduction ratios while maintaining a compact size.
- Controlled Motion: By controlling the arrangement of the gears and their rotation, planetary gearboxes can provide different motion outputs, including forward, reverse, and even variable speeds.
Overall, the design principles of planetary gearboxes allow them to provide efficient torque transmission, compact size, high gear reduction, and versatile motion control, making them well-suited for various applications in industries such as automotive, robotics, aerospace, and more.
editor by CX 2024-01-09
