Ball Screw
Lasting Bearing Group Co., Limited founded in 2008, is a company specializing in the manufacturing and sales of bearing transmission parts. Located in Hong Kong, and we have set up offices in some parts of the world, we are committed to providing our customers with high quality bearing products and high quality service.
Why Choose Us
Professional Team
We have a complete production line and an excellent R & D team, with independent development and design of various types of bearings, belts and grease strength. And we own our own brand, SDVV.
Quality Assurance
Our production line is located in Germany, equipped with the most advanced equipment and high technology production process, can ensure the consistency of product quality and reliability.
24H Online Service
We provide 24 hours online service, can let your doubts to solve in time. Fast and efficient service and to ensure customer satisfaction, so that you have no worries after sale.
Overview of Ball Screw
Ball screws are specialized mechanical linear actuators built with a screw shaft and a nut that encapsulates a rolling ball. This ball traverses along their aligned helical grooves. The main role of ball screws is to transform rotational motion into linear motion effectively. Ball nuts enable force transmission to either a stationary or a moving load with high levels of accuracy, precision, and consistency.
We offer the following Product Specifications
|
Model No. |
d |
1 |
Da |
Dimension |
Load Rating |
K |
||||||||||
|
D |
A |
E |
B |
L |
W |
H |
X |
Q |
N |
Ca(kgf) |
Coa (kgf) |
|||||
|
SFH01205-2.8* |
12 |
5 |
2.5 |
24 |
40 |
5 |
10 |
30 |
32 |
30 |
4.5 |
|
2.8x1 |
661 |
1316 |
19 |
|
SFH01210-2.8* |
10 |
2.5 |
24 |
40 |
5 |
10 |
45 |
32 |
30 |
4.5 |
|
2.8x1 |
642 |
1287 |
19 |
|
Advantages of ball screw
Highly Efficient
Ball screws are more efficient than other types of screws, boasting 90% efficiency in comparison to a lead screw's 20-80%. This means that ball screws are able to convert more of their rotary motion to linear motion more quickly than other types of screws.
Lessen Friction
The ball bearings of a ball screw serve to reduce friction as the nut moves along the shaft of the screw. This results in less wear to the device in addition to a longer lifespan.
Accurate
Ball screws are also known for their accuracy. If a machine requires a screw with a high amount of accuracy, a ball screw is the way to go. Depending on whether you choose a ground or rolled ball screw, the exact level of precision can vary from device to device.
Cost-Effective
Ball screws are often used as an alternative to hydraulic or pneumatic systems since they use less external power. This, combined with their long lifespans, makes ball screws a cost-effective option.
Application of Ball Screw
Machine tools
Ball screws are used to provide the precise linear motion required in lathes, milling machines, and other CNC machines.
01
Robotics
Ball screws are used in many robotic applications, including robotic arms and legs.
02
Aerospace systems
Ball screws are used in aircraft control systems and other aerospace applications.
03
Medical equipment
Ball screws are used in many medical devices, including surgical robots and imaging systems.
04
Automotive industry
Ball screws are used in automotive manufacturing, including assembly lines and robotic welding systems.
05
Ball screw shafts may be fabricated by rolling, yielding a less precise but inexpensive and mechanically efficient product. Rolled ball screws have a positional precision of several thousandths of an inch per foot.
Ball screw are classified using "accuracy grades" from C0 (most precise) to C10. High-precision screw shafts are typically precise to one thousandth of an inch per foot (830 nanometers per centimeter) or better. They have historically been machined to gross shape, case-hardened, and then ground. The three-step process is needed because high-temperature machining distorts the workpiece.
Hard whirling is a recent (2008) precision machining technique that minimizes heating of the work, and can produce precision screws from case-hardened bar stock. Instrument-quality screw shafts are typically precise to 250 nanometers per centimeter. They are produced on precision milling machines with optical distance measuring equipment and special tooling. Similar machines are used to produce optical lenses and mirrors. Instrument screw shafts are generally made of Invar, to prevent temperature from changing tolerances too much.
Precautions for use of Ball Screw
Before installation, store ball screws in their original package (on a flat surface) and in a clean environment to prevent potential entry of contaminants. Ball screws should come installed with lubricant, but confirm they are properly lubricated before use. Insufficient lubrication can lead to premature failure. Don't apply any other lubrication then what was originally applied to the ball screw. The mixing of different greases is not recommended. If there is contamination or dirt, wipe the surface down with clean white kerosene and immediately reapply the same grease type.
Warning: During use, avoid overrunning the ball nut, as this can damage recirculation components. Remember that the maximum operating temperature for typical ball screws is 80° C. Consult the manufacturer if an environment will be subject to hotter temperatures or necessitate special lubrication. In addition to these suggestions, check grease every two to three months of operation and replenish as needed. One final tip: Never attempt to disassemble a ball screw. If needed, send it to the manufacturer for repair or reassembly.
Packaging & Delivery
