Product Description
Product Description
Boqiang Drive K Series Helical -Bevel Geared Motor
Features:
High efficiency: 92%-93%;
-Vertical output, compact structure, hard tooth surface , large output torque, low noise and long service life.
-High precision: the gear is made of high-quality alloy steel forging, carbonitriding and hardening treatment, grinding process to ensure high precision and stable running.
-High interchangeability: highly modular, serial design, strong versatility and interchangeability.
Technical parameters
| Ratio | 5.36-197.37 |
| Input power | 0.12-200KW |
| Output torque | 10-62800N.m |
| Output speed | 7-415rpm |
| Mounting type | Foot mounted, foot mounted with CZPT shaft, output flange mounted, hollow shaft mounted, B5 flange mounted with hollow shaft, foot mounted with hollow shaft, B14 flange mounted with hollow shaft, foot mounted with splined hole, foot mounted with shrink disk, hollow shaft mounted with anti-torque arm. |
| Input Method | Flange input(AM), shaft input(AD), inline AC motor input, or AQA servo motor |
| Brake Release | HF-manual release(lock in the brake release position), HR-manual release(autom-atic braking position) |
| Thermistor | TF(Thermistor protection PTC thermisto) TH(Thermistor protection Bimetal swotc |
| Ratio | 5.36-197.37 |
| Input power | 0.12-200KW |
| Output torque | 10-62800N.m |
| Output speed | 7-415rpm |
| Mounting type | Foot mounted, foot mounted with CZPT shaft, output flange mounted, hollow shaft mounted, B5 flange mounted with hollow shaft, foot mounted with hollow shaft, B14 flange mounted with hollow shaft, foot mounted with splined hole, foot mounted with shrink disk, hollow shaft mounted with anti-torque arm. |
| Input Method | Flange input(AM), shaft input(AD), inline AC motor input, or AQA servo motor |
| Brake Release | HF-manual release(lock in the brake release position), HR-manual release(autom-atic braking position) |
| Thermistor | TF(Thermistor protection PTC thermisto) TH(Thermistor protection Bimetal swotc |
Specification
|
Modell |
Shaft Dia. mm |
Horizontal Center Height mm |
External Flange Dia. mm |
Power |
Ratio (i) |
Nominal Torque (Nm) |
|
|
Solid Shaft |
Hollow Shaft |
||||||
|
K/KF/KA/KAF37 |
ф25 |
ф30 |
100 |
160 |
0.12-2.2 |
8-102 |
180 |
|
K/KF/KA/KAF47 |
ф30 |
ф35 |
112 |
200 |
0.18-4 |
8-126 |
380 |
|
K/KF/KA/KAF57 |
ф35 |
ф40 |
132 |
250 |
0.25-5.5 |
8-143 |
580 |
|
K/KF/KA/KAF67 |
ф40 |
ф40 |
140 |
250 |
0.37-7.5 |
8-143 |
680 |
|
K/KF/KA/KAF77 |
ф50 |
ф50 |
180 |
300 |
0.75-11 |
8-175 |
1300 |
|
K/KF/KA/KAF87 |
ф60 |
ф60 |
212 |
350 |
1.5-18.5 |
8-197 |
2500 |
|
K/KF/KA/KAF97 |
ф70 |
ф70 |
265 |
450 |
2.2-30 |
8-197 |
3900 |
|
K/KF/KA/KAF107 |
ф90 |
ф90 |
315 |
450 |
4-45 |
8-197 |
6800 |
|
K/KF/KA/KAF127 |
ф110 |
ф100 |
375 |
550 |
7.5-90 |
8-197 |
11200 |
|
K/KF/KA/KAF157 |
ф120 |
ф120 |
450 |
660 |
11-110 |
8-198 |
11700 |
|
K/KF/KA/KAF167 |
ф160 |
ф135 |
500 |
– |
15-160 |
8-186 |
32000 |
|
K/KF/KA/KAF187 |
ф190 |
ф155 |
600 |
– |
18.5-200 |
8-186 |
50000 |
K series gear units are available in the following designs:
1.K.. Y.. Foot shaft extension mounted helical – spiral bevel gear reducer:
2.KAB or KW.. Y.. Foot hollow shaft mounted helical – spiral bevel gear reducer:
3.KA.. Y.. Hollow shaft mounted helical – spiral bevel gear reducer
4.KAZ.. Y.. Small flange hollow shaft mounted helical – spiral bevel gear reducer
5.KF.. Y.. Flange shaft extension mounted helical bevel gear reducer
6.KAF.. Y.. Flange hollow shaft mounted helical – spiral bevel gear reducer
7.KAT.. Y.. Helical bevel gear reducer mounted with hollow shaft with anti-swivel arm
8.K(KF KA KAF KAZ)K.. AD.. Shaft input helical bevel gear reducer
9.KA(KF K KAF KAZ).. R.. Y.. Combined helical bevel gear reducer
10.KA(KF K KAF KAZ).. R.. Y.. Shaft input for combined helical – spiral bevel gear reduction
11.K(KF KA KAF KAZ)K.. P/SF.. Coupling flange input type helical bevel gear reducer
Mounting poKition:
PoKition of the motor thermal box:
Input power rating and permissible torque:
Gear unit weight:
Photos of the factory area
ZHangZhoug Boqiang Transmission Co., Ltd. was established in 2002 and is a high-tech enterprise that integrates design, development, manufacturing, and operation, producing and selling reduction motors and power transmission equipment. The company is located in Oubei Town, HangZhoua County, at the forefront of national reform and opening up, known as the “Little Xihu (West Lake) Dis.” of HangZhou. Close to National Highway 104 and east to HangZhou International Airport and Xihu (West Lake) Dis. International Container Terminal; South to HangZhou Railway Station and Passenger Transport Center; There are also many national tourist attractions such as Yandang Mountain and Xihu (West Lake) Dis. River. With convenient transportation and unique geographical location, it is highly welcomed by domestic and foreign users.
Our company produces 12 series of helical gear reducers for various purposes, including shaft mounted helical gear reducers, helical bevel gear reducers, helical worm gear reducers, spiral bevel gear steering boxes, worm gear reducers, continuously variable transmissions, spiral elevators, and large gearboxes. The power coverage is 0.12-2000kw, with a reduction ratio of 1.25-30000. Various combinations, deformations, and specialized products can meet most industrial requirements. The R, K, F, and S series reducers adopt the modular design principle of unit structure, greatly reducing the types of components and inventory, and greatly shortening the delivery cycle. The components have strong universality and low maintenance costs.
Boqiang has a leading position in China in terms of technology level and product market share. The products are widely used in various fields such as metallurgy, light industry, packaging, medicine, petroleum, chemical industry, lifting and transportation, three-dimensional parking, printing and dyeing, elevators, wind power, etc. Boqiang Company has excellent performance. The transmission technology experts from the headquarters and numerous application engineers and after-sales service technicians from various regional offices provide you with rapid and comprehensive technical consultation and comprehensive services.
Looking back at the past and looking CZPT to the future, Boqiang has always been on the way forward, constantly improving and surpassing itself with high-quality products and comprehensive services, and winning the favor of the market and customers. We are willing to work together with people of insight from all walks of life to create a more brilliant tomorrow.
Processing equipment
Testing equipment and quality control
Quality:Insist on Improvement,Strive for CZPT With the development of equipment manufacturing indurstry,customer never satirsfy with the current quality of our products,on the contrary,wcreate the value of quality.
Quality policy:to enhance the overall level in the field of power transmission
Quality View:Continuous Improvement , pursuit of excellence
Quality Philosophy:Quality creates value
Packaging And Transportation
FAQ
Q1: I want to buy your products, how can I pay?
A: You can pay via T/T(30%+70%), L/C ,D/P etc.
Q2: How can you guarantee the quality?
A: One year’s warranty against B/L date. If you meet with quality problem, please send us pictures or video to check, we promise to send spare parts or new products to replace. Our guarantee not include inappropriate operation or wrong specification selection.
Q3: How we select models and specifications?
A: You can email us the series code (for example: RC series helical gearbox) as well as requirement details, such as motor power,output speed or ratio, service factor or your application…as much data as possible. If you can supply some pictures or drawings,it is nice.
Q4: If we don’t find what we want on your website, what should we do?
A: We offer 3 options:
1, You can email us the pictures, drawings or descriptions details. We will try to design your products on the basis of our
standard models.
2, Our R&D department is professional for OEM/ODM products by drawing/samples, you can send us samples, we do customized design for your bulk purchasing.
3, We can develop new products if they have good market. We have already developed many items for special using successful, such as special gearbox for agitator, cement conveyor, shoes machines and so on.
Q5: Can we buy 1 pc of each item for quality testing?
A: Yes, we are glad to accept trial order for quality testing.
Q6: How about your product delivery time?
A: Normally for 20’container, it takes 25-30 workdays for RV series worm gearbox, 35-40 workdays for helical gearmotors.
| Warranty: | a Year |
|---|---|
| Layout: | Coaxial |
| Installation: | Base/Flange Installation |
| Step: | Single Step |
| Gear Shape: | Cylindrical Gear |
| Application: | Application: Electric Motors, Machinery, Agricultu |
| Customization: |
Available
| Customized Request |
|---|

Maintaining a Mower Gearbox
Maintaining a mower gearbox is crucial to ensure its longevity, performance, and safe operation. Here are the key steps to effectively maintain a mower gearbox:
- Regular Inspection: Periodically inspect the gearbox for signs of wear, damage, or leaks. Check for any unusual noises or vibrations during operation.
- Lubrication: Follow the manufacturer’s guidelines for lubrication. Ensure the gearbox is properly lubricated with the recommended oil to minimize friction and reduce wear on moving parts.
- Cleaning: Keep the gearbox clean by removing dirt, debris, and grass clippings that can accumulate around the housing. Clean the exterior as

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.
well as the cooling fins to prevent overheating.
- Belt Tension: If the mower has belts connected to the gearbox, maintain proper belt tension according to the manufacturer’s recommendations. Loose or overly tight belts can affect the gearbox’s performance.
- Bearing Inspection: Check the bearings for any signs of wear, noise, or rough operation. Replace worn bearings to prevent damage to other components.
- Seals: Ensure that seals are intact and functioning properly. Replace damaged seals to prevent contaminants from entering the gearbox.
- Blade Maintenance: If the gearbox is associated with cutting blades, regularly sharpen and balance the blades to reduce strain on the gearbox. Replace any damaged or worn blades.
- Tighten Fasteners: Check and tighten all bolts, nuts, and fasteners that secure the gearbox components. Loose fasteners can lead to vibrations and misalignment.
- Alignment: Ensure that the gearbox is properly aligned with other components, such as the engine and cutting blades. Misalignment can cause excessive wear and reduce efficiency.
- Grease Fittings: If applicable, use grease fittings to lubricate specific components. Follow the manufacturer’s recommendations for greasing intervals.
- Professional Maintenance: If you’re unsure about certain maintenance tasks or notice significant issues, consider seeking professional maintenance or servicing for the gearbox.
By following these maintenance practices, you can extend the lifespan of the mower gearbox and ensure that it operates smoothly and efficiently during mowing operations.


editor by CX 2023-08-23
