Why choose imperial hard shafts?
1. Irreplaceable Compatibility:
Direct replacement: Used to replace worn imperial original shafts in European and American imported machine tools, printing equipment, and aviation ground equipment.
Export matching: Provides standard components that meet the habits of local engineers for equipment sold to North America, the UK, and other regions.
Technical inheritance: For some specific industries or older equipment models, the design drawings and tooling fixtures are based on imperial units. Using the SI series avoids cumbersome size conversion and processing errors.
2. Durable Manufacturing Process: The process chain is consistent with top-tier metric hard shafts: Precision bar stock → High-frequency induction hardening → Precision straightening → Centerless grinding (to imperial dimensions and specified tolerances) → Hard chrome plating → Fine polishing. 3. Key Selection Criteria:
Confirm Imperial Specifications: Accurately measure or consult the original equipment drawings to determine the imperial diameter (e.g., 5/8″) and total length of the shaft.
Select Material: Choose GCr15 (heavy-duty impact) or S45C (general wear resistance) based on the load characteristics.
Specify Tolerance: Inform us of the required fit with the bearing to ensure the appropriate tolerance range is provided.
Applications
SI series inch linear shafts are essential in the following fields where imperial standards are dominant or coexist:
Imported Equipment Maintenance and Modification: Replacement of guide shafts in CNC machine tools, textile machinery, printing machinery, and food packaging machines of European and American origin.
Aerospace and Defense: Precision motion units for ground support equipment and test benches that still utilize imperial standards.
Energy and Rail Transit: Guide components for special equipment and maintenance tools in certain international projects.
Mold and Fixture Industry: Guide shafts used in standard mold parts and positioning components circulating globally.
The SI series inch linear shaft is not just a product, but a service for the global industrial ecosystem. It allows you to avoid compromising on performance or incurring high customization costs due to standard differences. Choosing the SI series means your supply chain has true international compatibility, enabling you to effortlessly and precisely match components for maintaining global equipment or manufacturing export products. It represents "Chinese precision manufacturing's" deep understanding of and reliable delivery to diverse global industrial standards.
Inquiry and Ordering Tips: To ensure zero errors, please provide: 1. Accurate imperial diameter (e.g., 0.500″ or 1/2″); 2. Material requirements (GCr15/S45C); 3. Tolerance or fit requirements; 4. Total length and end processing form.
Parameters
| Model No. |
Outer Diameter
(mm) |
Diameter Tolerance |
Depth of Effevtive
Hardness Layer |
Weight
Kg/m |
|
| g6 |
h6 |
| SI-04 |
6.35 |
-0.004 -0.012 |
0 -0.008 |
0.4~1.0 |
0.25 |
| SI-06 |
9.525 |
-0.005 -0.014 |
0 -0.009 |
0.6~1.5 |
0.56 |
| SI-08 |
12.7 |
-0.006 -0.017 |
0 -0.011 |
0.6~1.5 |
1 |
| SI-10 |
15.875 |
-0.006 -0.017 |
0 -0.011 |
0.8~2.0 |
1.55 |
| SI-12 |
19.05 |
-0.007 -0.020 |
0 -0.013 |
0.8~2.0 |
2.24 |
| SI-16 |
25.4 |
-0.007 -0.020 |
0 -0.013 |
0.8~2.0 |
4 |
| SI-20 |
31.75 |
-0.007 -0.020 |
0 -0.013 |
0.8~3.0 |
6.21 |
| SI-24 |
38.1 |
-0.007 -0.020 |
0 -0.013 |
0.8~3.0 |
8.95 |
| SI-32 |
50.8 |
-0.009 -0.025 |
0 -0.016 |
0.8~3.0 |
15.9 |
English
Português
русский
Español
The LMHC-L-UU series linear bearing is a high-performance linear bearing that combine...
The LMFC/LMKC series linear bearing is a special type of linear bearing with a flange...
The LMHP-L-UU series linear bearing is a pinnacle of design, combining four key featu...
The LMFP-L/LMKP-L series linear bearings are linear bearings that combine three core ...
The LMHP-UU series linear bearing is a high-end linear bearing that combines three ke...
