Deskripsi Produk
High-speed gearboxes are applied in special working environments with high speed and technical requirements, such as in the energy industry, chemical industry, petroleum and gas industry, and other fields. Therefore, they have higher requirements in terms of efficiency, vibration, reliability, and other key parameters. The CHINAMFG series of high-speed gearboxes were independently developed by PTT, and feature extremely impressive performance in terms of efficiency, vibration, reliability, and cost performance. This series of products have also passed customers’ CHINAMFG certification.
Performance Characteristics
High speed: Top speed of 25000 RPM.
High precision: Gear precision reaches ISO level 3-5.
High efficiency: Greater than 98.5%.
High reliability: Lifecycle of over 20 years.
High bearing capacity: Uses advanced lightweight design & technologies.
Main technical parameters
Structure: single-stage herringbone gear
Speed ratio range: 1-10
Speed range: 3,000-25,000 RPM for high-speed shaft
Rated power: 500-100,000 kW
Main application fields
Applicable to steam turbines, power generation gas turbines, centrifuge axial fans, blowers, compressors, high- and low-pressure pumps, catalytic cracking for energy recovery, oxygen generators, etc.
RFQ
Q:Are you trading company or manufacturer?
A: We are manufacturer with over 20 years’ experience.
Q: How long is your delivery time?
A: Generally it is within 10 days if the goods are in stock, for goods produced as per order, it is within 35 days after confirmation of order.
Q: How long should I wait for the feedback after I send the enquiry?
A: Normally within 12 hours.
Q: What information should I give you to confirm the product?
A: Model/Size, Transmission Ratio, Speed, Shaft directions & Order quantity etc.
Q: Hong long is your product warranty?
A: We offer 12 months warranty from departure date of the goods.
Q: What is your payment terms? T/T 100% in advance for amount less than USD10000.-, 30% T/T in advance , balance before shipment for amount above USD10000.
If you have any other questions, please feel free to contact us below:
HOW TO CONTACT US?
Send your Inquiry Details in the Below, click “Send” Now! Also you can contact us through following ways:
| Aplikasi: | Machinery |
|---|---|
| Function: | Speed Changing, Speed Increase |
| Layout: | Cycloidal |
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Jenis: | Cylindrical Gear Box |
| Kustomisasi: |
Tersedia
| Permintaan Khusus |
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Repair or Replacement of a Mower Gearbox
Whether a mower gearbox can be repaired or needs to be replaced depends on the extent of the damage and the condition of the gearbox components. Here are some factors to consider:
- Minor Issues: If the gearbox is experiencing minor issues such as a leaking seal, damaged gasket, or a loose bolt, these problems can often be repaired without the need for a full replacement.
- Worn Gears or Bearings: If the gears or bearings are worn or damaged, they can sometimes be replaced individually, especially if the rest of the gearbox is in good condition.
- Severe Damage: If the gearbox housing is cracked, the gears are severely damaged, or the entire unit is extensively worn, a replacement gearbox might be the more cost-effective solution.
- Cost of Repairs: Sometimes, the cost of repairing multiple components in a gearbox can be close to the cost of a new gearbox. In such cases, it might make more sense to opt for a replacement.
- Age of the Mower: If the mower itself is old and the gearbox is showing signs of wear, it might be worth considering whether it’s more economical to invest in a new mower with a new gearbox.
It’s recommended to consult a professional mechanic or technician who specializes in mower repairs. They can assess the extent of the damage, provide you with repair and replacement options, and help you make an informed decision based on the specific situation.

Common Problems with Mower Gearboxes and How to Fix Them
Mower gearboxes can experience various issues over time. Here are some common problems and their potential solutions:
- Leaking Oil: If you notice oil leaks, inspect the seals and gaskets. Replace any damaged components and refill the gearbox with the appropriate oil.
- Strange Noises: Unusual noises can indicate worn bearings or gears. Inspect the gearbox for wear and replace any damaged parts.
- Overheating: Overheating can result from low oil levels or excessive friction. Check the oil level and quality, and ensure proper lubrication.
- Poor Performance: If the mower gearbox isn’t performing as expected, check for loose belts, misaligned pulleys, or damaged gears. Adjust or replace parts as needed.
- Slipping Belts: Slipping belts can cause uneven cutting. Check the tension of the belts and adjust them to the manufacturer’s specifications.
- Lack of Power: If the mower lacks power, check the gearbox and belts for obstructions, and make sure the gears are functioning properly.
- Vibration: Excessive vibration can result from imbalanced blades or damaged gearbox components. Balance the blades and inspect the gearbox for wear.
- Stuck Gears: If gears become stuck, check for debris or damage. Clean the gearbox and replace any worn or damaged parts.
- Worn Bearings: Worn bearings can cause increased friction and noise. Replace worn bearings with new ones to maintain smooth operation.
- Seized Components: If parts are seized, such as pulleys or shafts, inspect for damage or corrosion. Lubricate or replace components as needed.
For any complex issues or if you’re unsure about repairs, it’s recommended to consult the mower’s manual or seek help from a professional technician or authorized service center.

Komponen Utama Kotak Gigi Mesin Pemotong Rumput
Kotak roda gigi mesin pemotong rumput adalah rakitan mekanis kompleks yang terdiri dari berbagai komponen yang bekerja bersama untuk mentransmisikan daya dan mengontrol bilah pemotong. Komponen utama dari kotak roda gigi mesin pemotong rumput meliputi:
- Poros Masukan: Poros input terhubung ke mesin pemotong rumput melalui poros penggerak. Poros ini menerima daya putar dari mesin dan mentransfernya ke gearbox.
- Gigi roda: Roda gigi merupakan komponen penting yang bertanggung jawab untuk mentransmisikan dan mengubah torsi dan kecepatan. Kotak roda gigi mesin pemotong rumput berisi seperangkat roda gigi, termasuk roda gigi masukan, roda gigi perantara, dan roda gigi keluaran, yang saling terkait untuk mencapai rasio torsi dan kecepatan yang diinginkan.
- Poros Keluaran: Poros keluaran terhubung ke mata pisau pemotong. Poros ini menerima torsi dari gearbox dan mentransfernya ke mata pisau, menyebabkan mata pisau berputar dan melakukan aksi pemotongan.
- Bantalan: Bantalan menopang poros dan roda gigi yang berputar di dalam kotak roda gigi, mengurangi gesekan dan memastikan pergerakan yang lancar. Bantalan bola atau bantalan rol umumnya digunakan untuk meningkatkan efisiensi dan umur pakai kotak roda gigi.
- Sistem Pelumasan: Kotak roda gigi mesin pemotong rumput memerlukan pelumasan yang tepat untuk meminimalkan gesekan dan keausan antara bagian-bagian yang bergerak. Pelumasan memastikan bahwa roda gigi dan bantalan beroperasi dengan lancar dan efisien.
- Perumahan: Rumah girboks membungkus dan melindungi komponen internal dari unsur-unsur eksternal. Selain itu, rumah girboks juga menampung oli pelumas dan mencegah kotoran serta serpihan masuk ke dalam girboks.
- Segel: Seal mencegah masuknya kontaminan seperti air, debu, dan kotoran ke dalam gearbox. Seal memainkan peran penting dalam menjaga integritas sistem pelumasan dan melindungi komponen internal.
- Kopling dan Rem: Beberapa kotak roda gigi mesin pemotong rumput dilengkapi dengan kopling dan rem yang memungkinkan pengaktifan dan penonaktifan mata pisau pemotong. Komponen-komponen ini memberikan kendali atas aksi pemotongan dan memungkinkan pengoperasian yang aman.
- Mekanisme Penyesuaian: Tergantung pada jenis mesin pemotong rumputnya, kotak roda gigi mungkin mencakup mekanisme penyesuaian untuk mengatur ketinggian pemotongan atau sudut mata pisau. Mekanisme ini meningkatkan keserbagunaan dan kinerja mesin pemotong rumput.
Kombinasi komponen-komponen ini di dalam gearbox mesin pemotong rumput memastikan transmisi daya yang efektif dan kontrol yang tepat atas mata pisau pemotong, sehingga menghasilkan operasi pemotongan rumput yang efisien dan akurat.


editor by CX 2023-09-23