Nmrv Consist of Worm Shaft and Worm Wheel Aluminum Housing Worm Gearbox

• Customization: Available
• Application: Machinery, Agricultural Machinery, Metallurgy
• Function: Speed Reduction
• Model NO.: NMRV
• Layout: Helical
• Hardness: HRC58 ~62
• Installation: Torque Arm Type
• Gear Material: 20crmnti
• Shaft: 40cr
• Gear Heat Treatment Processing: Carburizing and Quenching
• Gear Precision Level: ISO6
• Input Type: Keyed Solid Shaft Input
• Output Type: Keyed Hollow Shaft Output
• Oil Seal: Nak Brand
• Bearing: NSK, SKF, FAG, Hrb, Zwz, Lyc
• Spare Parts: Torque Arm, Optional Backstop
• Color: as Requirement
• Transport Package: Plywood
• Trademark: BAFFERO
• Origin: Lishui
• HS Code: 8483409000
• Production Capacity: 10000

Product Description

 

Product Description

 

Company Profile

 

Certifications

 

Packaging & Shipping

 

1:How to choose appropriate gearbox / gearmotor ?
Answer :

1. If you have exactly photos for the gearmotor and gearmotor nameplate:

send us the photos , we will select the replacement model directly .

1. If you don't have any information about one you need ;

1:Tell us which series of gearbox/gearmotor you need after checking our product column .  R,F,K,S or H&B series ?
2: The electric motor provided by us or not ? If yes , what is the motor power (kw) , motor voltage (V) ,Frequency (50 or 60Hz) ; If not , what is the motor power(kw) and Motor speed you use ?
3: Tell us the gear ratio (Or final output speed -rpm/min you need ) ?
4: Output shaft :Hollow shaft or Solid shaft ?
5:Installation :Foot mounted , Flange mounted(without foot) ,or torque arm mounted
6:Quantity you need


2: what is the material of gear and shaft ?
Answer :Gear material is :20CrMnTi

3:What is the gear precision ?
Answer :Gear precision :DIN6

4:What is the gear strength ?
Answer :SURFACE HARDNESS:HRC58~62 ; GEAR CODE :HRC33~40

5:What is the production procedure of the gear pinion & gear wheel ?
Answer : Forge→Rough turning→Heat treatment(normalizing )→semi-extractive turning→Grinding the datum planes →rough hobbing→Keyway slotting→Heat treatment(carburizing and quenching; cemented quenching)→sand blasting→cylindrical grinding→Grinding→Washing→Stock

6:What is the production procedure of the gear shaft ?
Answer : Forge→Rough turning→Heat treatment(normalizing )→Semi finish turning→cylindrical grinding →Keyway slotting→Rough Hobbing→Heat treatment(carburizing and quenching; cemented quenching)→sand blasting→cylindrical grinding→Grinding→Washing→Stock

7:What is the Shaft material :
Answer : 40Cr (Hardness: HBS 250~290)

8:What is the bearing brand you use ?
Answer : Normally ,the bearing brand we use are the top quality brand in China ,like C&U , HRB ,ZWZ, LYC .
And we can only use SKF ,NSK ,FAG,INA ... accroding to client's requirement .

9:What is the oil seal brand you use ?
Answer : NAK brand (NBR or Viton material)

10:What is the nosie standard of finished gearbox ?
Answer :65~75dB

11: Does each gearbox make testing before delivery ?
Answer :Yes ,we will make running test ,leaking test ,vibration test and torque test(if neccessary) for each gearbox before delivery to ensure the good quality .

12: What ceritificates you have ?
Answer :ISO9001-2005 ,  CE , BV factory approval ,

13: What is the MOQ ?
Answer :1pc

14:What is the delivery time ?
Answer :Usually less than 7 days . please consult if bulk order .

15:how many employees in your factory ?
Answer : 150 people

16:what is the production capability of BAFFERO?
Answer :We have 33000 square meter production base . hundreds of CNC production and testing machines .
Annual production is more than 100,000 gearboxes .

17: Do you have capability to customize the gearbox according to client's requierment ?
Answer :Yes ,we have a lot of full experience engineers who works on gearbox feild for many years .We can customized any gearbox according client's requirement .

18: How does BAFFERO keep the gearbox quality :
Answer : Ensuring the quality of a gearbox involves a combination of design, manufacturing, testing, and maintenance practices. Below are key steps to ensure gearbox quality:
1. Design Phase
Accurate Load Analysis**: Perform detailed calculations to determine the expected loads, torque, speed, and operating conditions.
- **Material Selection**: Choose high-quality materials (e.g., hardened steel for gears) that can withstand stress, wear, and fatigue.
- **Precision Engineering**: Use advanced CAD and simulation tools to optimize gear geometry, tooth profile, and alignment.
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2. Manufacturing Phase
- **High-Quality Materials**: Source materials from reputable suppliers and verify their quality through testing.
- **Precision Machining**: Use CNC machines and advanced manufacturing techniques to ensure tight tolerances and smooth surfaces.
- **Heat Treatment**: Apply appropriate heat treatment processes (e.g., carburizing, quenching) to enhance gear hardness and durability.
- **Quality Control**: Implement strict quality control measures at every stage of production, including inspections of raw materials, machining, and assembly.

3. Assembly Phase**
- **Clean Environment**: Assemble gearboxes in a clean, controlled environment to prevent contamination.
- **Proper Alignment**: Ensure precise alignment of gears, shafts, and bearings to avoid misalignment issues.

4. Testing and Validation**
- **Performance Testing**: Conduct tests under simulated operating conditions to verify torque, speed, and power handling capabilities.
- **Durability Testing**: Run endurance tests to assess the gearbox's lifespan under continuous or extreme conditions.
- **Vibration and Noise Testing**: Measure vibration and noise levels to ensure smooth operation and identify potential issues.
- **Leak Testing**: Check for oil leaks in sealed gearboxes.
- **Load Testing**: Test the gearbox under maximum load conditions to ensure it can handle peak demands.

5. Quality Assurance and Certification**
- **ISO Standards**: Adhere to international standards like ISO 9001 for quality management systems.
- **Third-Party Inspections**: Engage independent inspectors to verify compliance with design and manufacturing standards.
- **Documentation**: Maintain detailed records of design, manufacturing, testing, and inspection processes for traceability.
6. Continuous Improvement**
- **Feedback Loop**: Collect data from field performance and customer feedback to identify areas for improvement.
- **R&D Investment**: Invest in research and development to adopt new technologies and materials.
- **Training**: Train staff on the latest manufacturing, assembly, and maintenance techniques.

By following these steps, BAFFERO can ensure the quality, reliability, and longevity of gearboxes in various applications.