توضیحات محصول
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:
| کاربرد: | Machinery |
|---|---|
| عملکرد: | Speed Changing, Speed Increase |
| طرح بندی: | Cycloidal |
| سختی: | سطح دندانه سخت شده |
| نصب: | Horizontal Type |
| Type: | Cylindrical Gear Box |
| سفارشی سازی: |
موجود است
| درخواست سفارشی |
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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.

مشکلات رایج گیربکس ماشین چمنزنی و نحوه رفع آنها
گیربکسهای ماشین چمنزنی میتوانند به مرور زمان دچار مشکلات مختلفی شوند. در اینجا به برخی از مشکلات رایج و راهحلهای احتمالی آنها اشاره میکنیم:
- نشت روغن: اگر متوجه نشتی روغن شدید، آببندها و واشرها را بررسی کنید. قطعات آسیبدیده را تعویض کنید و گیربکس را با روغن مناسب دوباره پر کنید.
- صداهای عجیب و غریب: صداهای غیرمعمول میتواند نشاندهندهی فرسودگی یاتاقانها یا چرخدندهها باشد. گیربکس را از نظر فرسودگی بررسی کنید و قطعات آسیبدیده را تعویض کنید.
- گرمای بیش از حد: داغ شدن بیش از حد میتواند ناشی از سطح پایین روغن یا اصطکاک بیش از حد باشد. سطح و کیفیت روغن را بررسی کنید و از روانکاری مناسب اطمینان حاصل کنید.
- عملکرد ضعیف: اگر گیربکس ماشین چمنزنی آنطور که انتظار میرود عمل نمیکند، تسمههای شل، قرقرههای نامتوازن یا چرخدندههای آسیبدیده را بررسی کنید. در صورت نیاز قطعات را تنظیم یا تعویض کنید.
- تسمههای لغزنده: لغزش تسمهها میتواند باعث برش ناهموار شود. میزان کشش تسمهها را بررسی کرده و آنها را مطابق با مشخصات سازنده تنظیم کنید.
- کمبود قدرت: اگر ماشین چمنزنی قدرت کافی ندارد، گیربکس و تسمهها را از نظر وجود مانع بررسی کنید و مطمئن شوید که چرخدندهها به درستی کار میکنند.
- لرزش: لرزش بیش از حد میتواند ناشی از عدم تعادل پرهها یا آسیب دیدن اجزای گیربکس باشد. پرهها را بالانس کنید و گیربکس را از نظر فرسودگی بررسی کنید.
- گیر کردن چرخ دنده ها: اگر چرخدندهها گیر کردند، وجود هرگونه آلودگی یا آسیب را بررسی کنید. گیربکس را تمیز کنید و قطعات فرسوده یا آسیبدیده را تعویض کنید.
- بلبرینگهای فرسوده: یاتاقانهای فرسوده میتوانند باعث افزایش اصطکاک و سر و صدا شوند. یاتاقانهای فرسوده را با یاتاقانهای نو تعویض کنید تا عملکرد روان دستگاه حفظ شود.
- اجزای توقیف شده: اگر قطعاتی مانند قرقره یا شفت گیر کرده باشند، آنها را از نظر آسیب یا خوردگی بررسی کنید. در صورت نیاز، قطعات را روغن کاری یا تعویض کنید.
برای هرگونه مشکل پیچیده یا اگر در مورد تعمیرات مطمئن نیستید، توصیه میشود به دفترچه راهنمای ماشین چمنزنی مراجعه کنید یا از یک تکنسین حرفهای یا مرکز خدمات مجاز کمک بگیرید.

Key Components of a Mower Gearbox
A mower gearbox is a complex mechanical assembly consisting of various components that work together to transmit power and control the cutting blades. The key components of a mower gearbox include:
- Input Shaft: The input shaft is connected to the mower’s engine via a drive shaft. It receives the rotational power from the engine and transfers it to the gearbox.
- Gears: Gears are essential components responsible for transmitting and converting torque and speed. Mower gearboxes contain a set of gears, including input gears, intermediate gears, and output gears, that mesh together to achieve the desired torque and speed ratios.
- Output Shaft: The output shaft is connected to the cutting blades. It receives the torque from the gearbox and transfers it to the blades, causing them to rotate and perform the cutting action.
- Bearings: Bearings support the rotating shafts and gears within the gearbox, reducing friction and ensuring smooth movement. Ball bearings or roller bearings are commonly used to enhance the gearbox’s efficiency and longevity.
- Lubrication System: Mower gearboxes require proper lubrication to minimize friction and wear between moving parts. Lubrication ensures that the gears and bearings operate smoothly and efficiently.
- Housing: The gearbox housing encloses and protects the internal components from external elements. It also contains the lubricating oil and prevents dirt and debris from entering the gearbox.
- Seals: Seals prevent the entry of contaminants such as water, dust, and dirt into the gearbox. They play a critical role in maintaining the integrity of the lubrication system and protecting the internal components.
- Clutches and Brakes: Some mower gearboxes feature clutches and brakes that allow for engagement and disengagement of the cutting blades. These components provide control over the cutting action and enable safe operation.
- Adjustment Mechanisms: Depending on the type of mower, the gearbox may include adjustment mechanisms for setting the cutting height or angle of the blades. These mechanisms enhance the mower’s versatility and performance.
The combination of these components within the mower gearbox ensures the effective transmission of power and precise control over the cutting blades, resulting in efficient and accurate mowing operations.


editor by CX 2023-09-23