Introduction
The recirculating ball screw and nut is a precision transmission assembly that converts rotational motion into linear motion and vice versa. Its core relies on the ball bearings circulating inside the nut, replacing the traditional sliding friction contact, which greatly reduces operating resistance. At the same time, the preload design eliminates axial clearance, achieving high-precision positioning and transmission. The compact ball circulation structure is stable in operation, not only maintaining excellent transmission accuracy over the long term but also offering outstanding wear resistance, ensuring good performance during continuous operation.
Product Parameters
The recirculating ball screw and nut is a precision transmission assembly that converts rotational motion into linear motion and vice versa. Its core relies on the ball bearings circulating inside the nut, replacing the traditional sliding friction contact, which greatly reduces operating resistance. At the same time, the preload design eliminates axial clearance, achieving high-precision positioning and transmission. The compact ball circulation structure is stable in operation, not only maintaining excellent transmission accuracy over the long term but also offering outstanding wear resistance, ensuring good performance during continuous operation.
|
d：Shaft diameter |
I：Lead |
Da：Bead diameter |
k:Rigidity |
n:Number of steel ball turns |
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|
ca:Basic dynamic load rating(kgf) |
coa：Basic static rated load(kgf) |
unit：mm |
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|
Model |
d |
l |
Da |
Nut size |
Ca |
C0a |
k |
||||||||||
|
D |
A |
B |
L |
W |
H |
X |
Y |
Z |
Q |
n |
|||||||
|
SFK00601 |
6 |
1 |
0.8 |
12 |
24 |
3.5 |
15 |
18 |
16 |
3.4 |
- |
- |
- |
1×3 |
111 |
224 |
9 |
|
SFK00801 |
8 |
1 |
0.8 |
14 |
27 |
4 |
16 |
21 |
18 |
3.4 |
- |
- |
- |
1×4 |
161 |
403 |
14 |
|
SFK00802 |
2 |
1.2 |
14 |
27 |
4 |
16 |
21 |
18 |
3.4 |
- |
- |
- |
1×3 |
222 |
458 |
13 |
|
|
SFK0082.5 |
2.5 |
1.2 |
16 |
29 |
4 |
26 |
23 |
20 |
3.4 |
- |
- |
- |
1×3 |
221 |
457 |
13 |
|
|
SFK01002 |
10 |
2 |
1.2 |
18 |
35 |
5 |
28 |
27 |
22 |
4.5 |
- |
- |
- |
1×3 |
243 |
569 |
15 |
|
SFK01004 |
4 |
2 |
26 |
46 |
10 |
34 |
36 |
28 |
4.5 |
8 |
4.5 |
M6 |
1×3 |
468 |
905 |
17 |
|
|
SFK01202 |
12 |
2 |
1.2 |
20 |
37 |
5 |
28 |
29 |
24 |
4.5 |
- |
- |
- |
1×4 |
334 |
906 |
22 |
|
SFK01402 |
14 |
2 |
1.2 |
21 |
40 |
6 |
23 |
31 |
26 |
5.5 |
- |
- |
- |
1×4 |
354 |
1053 |
24 |
|
Model |
d |
l |
Da |
Nut size |
Ca |
C0a |
k |
||||||||||
|
D |
A |
B |
L |
W |
H |
X |
Y |
Z |
Q |
n |
|||||||
|
XSLR01204T3D-02 |
12 |
4 |
- |
24 |
40 |
6 |
28 |
32 |
25 |
3.5 |
- |
- |
- |
1×3 |
454 |
722 |
- |
|
XSLR01205T3D-00 |
5 |
- |
22 |
37 |
8 |
39 |
29 |
24 |
4.5 |
- |
- |
- |
1×3 |
675 |
1316 |
17 |
|
Core Advantages
1. Replaces traditional sliding friction with ball rolling, significantly reducing friction resistance, improving transmission efficiency, and making operation easier and smoother.
2. Axial clearance can be eliminated through preloading design, ensuring high positioning accuracy and preventing backlash during direction changes, maintaining stable transmission precision over time.
3. The rolling contact characteristic greatly reduces component wear, and combined with high-quality materials and surface treatment, the service life far exceeds that of traditional transmission components.
4. The overall structure is compact, with the ball circulation system not occupying extra space, compatible with various installation layouts, and daily maintenance only requires simple lubrication.
5. Excellent rigidity, not easily deformed under load, suitable for high-frequency reciprocating motion, with low noise and strong stability during operation.
Scope of Application: Recirculating ball screws and nuts are commonly used in various equipment that require high precision in linear motion and stable operation. They are particularly suitable for mechanical systems that require high-frequency reciprocating motion, precise positioning, or the ability to bear certain loads. They perform exceptionally well in applications that prioritize transmission efficiency, low friction loss, and long-term stable operation.
Service Model
Standard Product Supply:
Offers in-stock products with delivery within 3-7 days;
Custom Solutions:
From requirement communication → solution design → sample testing → mass production, the entire process is supported by a dedicated technical contact;
After-Sales Support:
Provides product installation guidance, a 1-year warranty (excluding man-made damage), and rapid response service for malfunctions.
Our Factory
Xuxin Automation: Your Premier One-Stop Manufacturer for High-Precision Motion Components
we specialize in the R&D and manufacturing of custom non-standard lead screws and nuts. With our 13,000 m² state-of-the-art facility, we deliver highly reliable industrial automation solutions tailored to your exacting requirements.
Production Area
Advanced Equipment
Experienced Team
Annual Output
Why Choose Us?
Exceptional Non-Standard Customization Capabilities
In-house R&D: Our professional engineering team possesses decades of deep-seated expertise in the lead screw and nut industry.
On-Demand Development: Whether you require specialized leads, unique materials, or complex structures, we provide bespoke manufacturing based on your technical drawings (PDF, CAD, or 3D models).
Rigorous Quality Control & Manufacturing
High-Precision Machining: Leveraging our fleet of 80 CNC machines and precision grinding centers, we ensure every component achieves micron-level accuracy.
Full Supply Chain Integration: From raw material processing and heat treatment to precision grinding and final inspection, the entire process is completed in-house. This end-to-end control guarantees stable lead times and uncompromising quality.
FAQ
1. Q: What causes abnormal heating in a circulating ball screw during operation?
A: Abnormal heating is usually related to insufficient lubrication, excessive load, or misalignment during installation. Dried-up grease increases friction between the balls and the raceway, generating heat; operating beyond the rated load puts extra stress on the components; misalignment between the screw and the nut can cause uneven friction. All of these can lead to unusually high temperatures. It is recommended to first check the lubrication status and then examine the load and installation accuracy.
2. Q: How should a jam in the ball circulation system be handled?
A: Stop the machine and disassemble the nut, clean any debris and old grease from the raceway and circulation channels, check the balls for wear or deformation, and replace any damaged balls, then apply specialized grease. If the jam is caused by a damaged circulation device, it should be replaced with one of the same specification promptly to avoid damaging the screw raceway.
3. Q: How can transmission accuracy be restored after long-term use?
A: First, check for excessive axial clearance. If the preload structure has loosened, readjust the preload; if components are worn, replace the worn nut or screw. Also, clean the surface of the components and recalibrate the installation accuracy. After restoration, perform a no-load test run to ensure accuracy before putting it back into operation.
4. Q: Do circulating ball screws and nuts need regular grease replacement?
A: Yes, regular replacement is necessary. Grease dries out and deteriorates after long-term use, losing its lubricating protection. The replacement interval should be adjusted according to the operating environment and frequency. In dusty, high-temperature, and high-load conditions, the interval should be shortened to ensure components remain well-lubricated.
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