Dongguan Lihao Bearing Co., Ltd(BLH)
Tape Guides are manufactured using high precision miniature ball bearings as well as non-magnetic materials such as aluminum, SUS 303 stainless steel, and a large availability of different types of resin materials. Metallic tape guides can also be hard plated with non-magnetic electro less nickel plating as well as other special hard coating.
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![Precision Transmission Shaft]()
Precision Transmission ShaftIf you're designing a machine that requires a custom precision motor shaft and need help machining that shaft to precise dimensions, you can trust BLH. At BLH Bearings, we offer motor shaft machining -
![Hollow Shaft Processing]()
Hollow Shaft ProcessingA hollow shaft has a hole running through its entire length. This channel is primarily used to reduce weight and is suitable for applications such as aircraft, automobiles, and medical devices.. BLH
why choose us
Excellent Testing Equipment
BLH Bearing has its own independent laboratory, a complete R&D system, and a full range of testing equipment.
The Most Competitive Prices
With 60 sets of automated production lines, BLH Bearing can easily meet large-scale demand and provide the most competitive price guarantee.
One-Stop Solution
We offer one-stop solutions for global transmission equipment needs.
Our Service
Our professional bearing R&D capabilities, manufacturing strength, and 24/7 technical and after-sales service ensure that your transmission business is fully supported — with complete peace of mind.
|
No. |
Item |
Specifications |
|
1 |
Materials |
Carbon steel: 10#, 18#, 1018, 22#, 1022, 40Cr, 45#, 1045, 50#, 55#, 60#, 65Mn, 70#, 72B, 80#, 82B |
|
2 |
Diameter |
Ø0.3-Ø25 |
|
3 |
Diameter tolerance |
0.002mm |
|
4 |
Roundness |
0.0005mm |
|
5 |
Roughness |
Ra0.05 |
|
6 |
Straightness |
0.005mm |
|
7 |
Hardness: |
HRC/HV |
|
8 |
Length |
2mm-1000mm |
|
9 |
Heat treatment |
1. Oil Quenching |
|
10 |
Surface treatment |
1. Plating nickel |
|
11 |
Packing |
Plastic bags inside and standard cartons outside. |
Forging
Forging is mainly a press-working process in which the metal is heated and transformed into the desired shape by the application of pressure. Especially, forging is employed in the initial stages to mold the transmission shafts of automobiles to improve their sturdiness.
Benefits of Forging
The forging process helps to increase its mechanical characteristics. They are especially useful for parts that typically have to support high-stress levels.
Forging Techniques
In industrial processes, open-die forging and closed-die forming processes are frequently applied. Open impression forging applies pressure between flat dies whereas closed impression forging utilizes formed impressions to produce more elaborate parts.
CNC Machining
CNC Turning
The turning process addresses the relative shaft motion while a cutting tool is in use to establish the exact/finished dimensions. It is normally used to provide the outer diameter of the shaft, grooves, or even shaft threads.
CNC Milling
Milling employs cutting tools that revolve around the shaft to carve material to the required width, for flats, keyways, or any other desired shape. Milling is usual for precision shafts where delicate features are to be incorporated.
CNC Grinding
Following turning and milling, grinding is applied at the micro level, for surface finishing. Whereas it is best suited for planning the surface to eliminate a small material volume and to achieve dimensional stability.
CNC Drilling
The operation is exercised to make contours and drills on the transmission shaft. Commonly, it is used for achieving high dimensional accuracy in components like bearings or couplings are required.
Heat treatments control the transmission shaft to change physical characteristics like hardness, toughness, and strength by heating and cooling process.
Techniques
Annealing
Annealing the shaft reduces stress, making it easier to machine and enhancing its strength for transmissions.
Quenching
The transmission shaft is heated to operating temperatures and eventually cooled to room temperatures, usually in water or oil. Quenching increases hardness and tensile strength, which gives the shaft an added resistance to wear.
Tempering
After the quenching process, the shaft may be tempered to a lower temperature to increase its tempering for the desired hardness.
Nitriding
The process involves placing nitrogen on the shaft surface to produce a hard-wearing surface layer but a strong core.
- Carbon Steel
- Alloy Steel
- Stainless Steel
- Chromoly Steel
- Tool Steel
- Aluminum
- Titanium
- Nickel Alloys
- Boron Steel
- Cast Iron
- Choosing the Right Material
- Proper Sizing (Estimate the diameter and length necessary for bearing the expected torque)
- Consider Stress Distribution
- Incorporate Keyways and Splines For connecting the shaft to components like gears or couplings firmly.
- Optimize Shaft Geometry (Hollow, or stepped to minimize mass and increase power transfer)
- Make Sure Optimum Alignment and Balance
- Design for Lubrication (To minimize the loss in contact pressure, resistance, and fatigue life)
- Account for Torsional Stiffness (To avoid shaft twisting of load)
- Include Appropriate Heat Treatment for Resilience.
- Plan for Maintenance
Other Information You May Be Interested In
Sample Production Time: We can typically produce samples within 5 business days.
Production Time: We can complete mass production within 30 business days after receiving your deposit.
Payment: 30% in advance, 70% before shipment (100% in advance for small orders).
Packaging: Inner PE plastic bag, outer export carton.
Shipping Method: For small orders, we will arrange door to door express delivery. For larger orders, we will ship by air or sea.
Shipping Ports: Shenzhen, Guangzhou, Shanghai, Ningbo, Qingdao
Our Honor
FAQ
As one of the leading shaft machining manufacturers and suppliers in China, we warmly welcome you to wholesale bulk shaft machining for sale here from our factory. All customized bearings are with high quality and competitive price.
electric motor hollow shaft, linear rail shaft, Precision Transmission Shaft
