Introduction
The rotating ball nut is a precision transmission component that relies on the internal rolling of steel balls to achieve motion conversion. It fits over a ball screw, and when the screw rotates, the steel balls inside the nut circulate along the screw and the nut's raceway, driving the nut to move smoothly along the screw's axis in a linear motion. Conversely, if the nut is driven to rotate, it can also make the screw perform linear motion. This component replaces traditional sliding friction with rolling friction, greatly reducing transmission resistance. It not only enables high-precision positioning and reciprocating movement but also features high transmission efficiency, smooth operation, and strong load capacity.
Product Parameters
The core specifications of this rotating ball nut fully match the adaptation standards of the corresponding screw model, ensuring precise compatibility with the equipment's transmission rhythm and travel control requirements. The accuracy grade classification corresponds to the positioning precision needed in different scenarios. Whether for the smooth operation of conventional automated production lines or micrometer-level operations in high-precision machine tools, there is an appropriate choice. The design of the circulation method balances structural stability and operational smoothness, ensuring reliability during long-term, high-intensity operation while reducing frictional losses during movement. Additionally, the preloading structure provides key support to eliminate transmission backlash and enhance equipment rigidity, fundamentally ensuring the operational accuracy and service life of the equipment.
|
d：Shaft diameter |
I：Lead |
Da：Bead diameter |
k:Rigidity |
n:Number of steel ball turns |
||||||||||||
|
ca:Basic dynamic load rating(kgf) |
coa：Basic static rated load(kgf) |
unit：mm |
||||||||||||||
|
Model |
d |
l |
Da |
Nut size |
Ca |
C0a |
k |
|||||||||
|
D |
A |
E |
B |
L |
W |
H |
X |
Q |
n |
|||||||
|
SFY01616-3.6 |
16 |
16 |
2.778 |
32 |
53 |
10.1 |
10 |
45 |
42 |
34 |
4.5 |
M6 |
1.8×2 |
1073 |
2551 |
31 |
|
SFY02020-3.6 |
20 |
20 |
3.175 |
39 |
62 |
13 |
10 |
52 |
50 |
41 |
5.5 |
M6 |
1.8×2 |
1387 |
3515 |
37 |
|
SFY02525-3.6 |
25 |
25 |
3.969 |
47 |
74 |
15 |
12 |
64 |
60 |
49 |
6.6 |
M6 |
1.8×2 |
2074 |
5494 |
45 |
|
SFY03232-3.6 |
32 |
32 |
4.762 |
58 |
92 |
17 |
12 |
78 |
74 |
60 |
9 |
M6 |
1.8×2 |
3021 |
8690 |
58 |
|
SFY04040-3.6 |
40 |
40 |
6.35 |
73 |
114 |
19.5 |
15 |
99 |
93 |
75 |
11 |
M6 |
1.8×2 |
4831 |
14062 |
70 |
|
SFY05050-3.6 |
50 |
50 |
7.938 |
90 |
135 |
21.5 |
20 |
117 |
112 |
92 |
14 |
M6 |
1.8×2 |
7220 |
21974 |
86 |
|
SFY01632-1.6 |
16 |
32 |
2.778 |
32 |
53 |
10.1 |
10 |
42.5 |
42 |
34 |
4.5 |
M6 |
0.8×2 |
493 |
1116 |
11 |
|
SFY02040-1.6 |
20 |
40 |
3.175 |
39 |
62 |
13 |
10 |
48 |
50 |
41 |
5.5 |
M6 |
0.8×2 |
653 |
1597 |
15 |
|
SFY02550-1.6 |
25 |
50 |
3.969 |
47 |
74 |
15 |
12 |
58 |
60 |
49 |
6.6 |
M6 |
0.8×2 |
976 |
2495 |
19 |
|
SFY03264-1.6 |
32 |
64 |
4.762 |
58 |
92 |
17 |
12 |
71 |
74 |
60 |
9 |
M6 |
0.8×2 |
1374 |
3571 |
22 |
|
SFY04080-1.6 |
40 |
80 |
6.35 |
73 |
114 |
19.5 |
15 |
90 |
93 |
75 |
11 |
M6 |
0.8×2 |
2273 |
6387 |
29 |
|
SFY050100-1.6 |
50 |
100 |
7.938 |
90 |
135 |
21.5 |
20 |
111 |
112 |
92 |
14 |
M6 |
0.8×2 |
3398 |
9980 |
35 |
Core Advantages
1. Ultra-high transmission efficiency, reducing equipment energy consumption
This rotary ball screw nut uses the rolling friction of internal steel balls instead of traditional sliding friction, resulting in very low resistance during transmission and allowing the motor's power to be more effectively converted into linear motion. Whether it's a high-frequency reciprocating automated production line or long-running machine tools, it can significantly reduce power loss, saving energy for the equipment and reducing the operating load on the motor, thereby extending the service life of the entire transmission system.
2. Precise transmission performance, ensuring equipment accuracy
The raceway is finely machined to fit tightly without looseness, paired with an adjustable preloading structure that completely eliminates transmission play and prevents dead travel during reverse motion. In scenarios requiring precise positioning, such as the fine movements of CNC engraving machines or the accurate displacement of inspection equipment, it can reliably maintain micron-level positioning accuracy, making processing or inspection results more stable and dependable.
3. Strong load-bearing capacity, suitable for complex conditions
The overall structural design is robust, easily handling both axial and radial loads during equipment operation. Even in industrial scenarios with impact loads, it can withstand the stress. Whether it's transporting heavy workpieces on machine tools or pushing materials on automated production lines, there is no need to worry about significant deformation or damage. It can adapt to various harsh industrial environments, reducing the frequency of equipment downtime for maintenance.
4. Easy installation and maintenance, lowering operating costs
Its design aligns with practical industrial installation needs. Whether using a flange or square mount, it can quickly connect to the equipment's transmission system without requiring additional complex adaptations. Routine maintenance is simple-regular lubrication is sufficient to maintain good operational status. Even if small issues like steel ball wear occur, components can be quickly disassembled and replaced without major adjustments to the main equipment, greatly saving maintenance time and costs.
Scope of application: Widely applicable to industrial scenarios with high requirements for motion accuracy and stability, such as CNC machine tools, automated production lines, and precision measuring equipment.
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. Question: What factors should be focused on when selecting a model?
Answer: The key factors are the equipment's load requirements, positioning accuracy, and available installation space. You should also consider operating speed, working environment, and subsequent maintenance costs, and match the specifications and types comprehensively.
2. Question: Can the nut and screw be separated during installation?
Answer: It is not recommended to separate them arbitrarily, as the preload is adjusted before leaving the factory. Disassembly can easily cause the steel balls to scatter, lose preload, and potentially allow dust in or damage the recirculator. If separation is truly necessary, special tools must be used and the manufacturer should be consulted for guidance.
3. Question: What should be paid attention to when installing vertically?
Answer: For products with no preload or slight preload, the nut may fall off due to its own weight when placed vertically, so safety nuts or other protective structures should be installed. At the same time, concentricity during installation must be ensured to avoid noise or wear during operation.
4. Question: Are there any considerations for daily lubrication?
Answer: Suitable grease should be regularly replenished to reduce friction between the steel balls and the raceway, extending service life. In environments with dust, humidity, or high-speed operation, the lubrication interval should be shortened to ensure adequate lubrication.
Hot Tags: rotating ball nut, China rotating ball nut manufacturers, suppliers, factory, ball nuts climbing gear
