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YMT Bearings specializes in shafts, mast bearings, automotive bearings, linear guide bearings, tapered roller bearings, pillow block bearings, and deep groove ball bearings.
Customization is available, and OEM services are offered according to customer requirements.
Product Description
Stainless steel linear shafts are key components in industrial automation, providing high-precision and high-efficiency linear guidance for sliding bearings, enabling smooth and accurate linear motion in equipment. They are widely used in CNC machine tools, printers, robots, and other fields. Their main function is to support and guide moving parts for linear reciprocating or translational motion, ensuring high precision and durability of the equipment.
Main functions and features:
Linear motion: Guides the slider or bearing along a predetermined track for linear movement.
High precision: Ensures the accuracy of equipment movement and improves overall performance.
Corrosion resistance: Stainless steel material provides excellent corrosion resistance, suitable for humid or corrosive environments.
High load capacity: Able to withstand certain radial and axial loads.
Low friction: Used in conjunction with linear bearings to provide smooth, low-resistance motion.
Application scenarios:
CNC machinery: 3D printers, engraving machines, laser cutting machines, etc.
Automated production lines: Handling systems, packaging machinery, testing equipment, etc.
Robotics: Linear motion units for robot arms.
Working principle:
It is usually used in conjunction with linear bearings (such as ball bushings, linear bearings). The bearing moves under the guidance of the linear shaft through rolling or sliding friction.
| 1. Surface Treatment | Zinc plating (environmentally friendly zinc, typically 5-8μm, special: 12μm, Cr³⁺) |
| Nickel plating (higher cost, better corrosion resistance) | |
| Dacro (Geomet) coating | |
| 2. Slot Width | Profile 20mm: Slot width 6 or 5mm |
| Profile 30mm: Slot width 8 or 6mm | |
| Profile 40mm: Slot width 8 or 10mm | |
| Profile 45mm: Slot width 10mm | |
| 3. Step Size | Step height for Slot 10mm: Typically 3.0mm |
| Step height for Slot 8mm: Typically 1.5mm | |
| 4. Material | Standard: 20# steel |
| Options: Low carbon steel (Q195, Q235, C1020) or medium carbon steel (35#) | |
| Stainless steel options available | |
| Grade: 4/6/8/10/12 | |
| 5. Thread | Metric threads (common): M3, M4, M5, M6, M8, M10 |
| US threads: 10-32, 1/4-20, 5/16-18 | |
| 6. Teeth | 2 teeth, 4 teeth, 7 teeth (fine teeth) |
| Other options: T-nut, slide-in nut, ball nut, spring-loaded nut, rhombus nut, flange nut | |
| 7. Raised Dots | Raised dots on T-nut for electrical conductivity |
| 8. Inspection | 1. Compatibility with profiles |
| 2. Compliance with thread standards (pre-galvanized: 6G, post-galvanized: 6H) | |
| 3. For slot width 6 profiles, thread hole size should not exceed M6 | |
| 4. For slot width 8 profiles, thread hole size should not exceed M8 | |
| 5. For slot width 10 profiles, thread hole size should not exceed M10 | |
| 6. Tolerances according to ISO2768-MK |
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