THK’s PHS SERIES Rod End with Female Threading represents a significant advancement in high-rigidity, precision linear motion components, engineered for demanding applications where reliability, durability, and exacting performance are non-negotiable. This series integrates a female-threaded design, facilitating straightforward and secure connections to mating components such as shafts, linkages, and actuators, thereby simplifying assembly and maintenance procedures. A standout feature of the PHS SERIES is its integrated lubrication system, which ensures consistent and effective distribution of lubricant to critical contact surfaces. This design minimizes friction, reduces wear, and significantly extends the operational lifespan of the component, even under high-load or high-frequency cycling conditions. The lubrication channels are precision-engineered to prevent contamination and leakage, maintaining optimal performance in harsh environments where dust, debris, or moisture may be present.
The high rigidity of the PHS SERIES is achieved through advanced materials and robust construction techniques. Utilizing high-carbon chromium bearing steel or equivalent alloys, these rod ends exhibit exceptional resistance to deformation under heavy loads, shock, and vibration. The internal geometry, including the raceway and ball contact surfaces, is optimized to distribute stresses evenly, enhancing load capacity while minimizing play and backlash. This results in superior positional accuracy and repeatability, critical for applications requiring precise motion control. Additionally, the female threading is manufactured to tight tolerances, ensuring secure, vibration-resistant connections that maintain integrity over prolonged use.
Performance advantages of the PHS SERIES include reduced maintenance intervals due to the efficient lubrication system, which lowers the total cost of ownership by minimizing downtime and component replacement. The high rigidity contributes to improved system stability, reducing deflection and ensuring consistent performance in dynamic applications. These rod ends also operate quietly and smoothly, thanks to the optimized contact mechanics and lubrication, making them suitable for noise-sensitive environments.
Typical applications span a wide range of industries. In industrial machinery, the PHS SERIES is employed in robotic arms, CNC machine tools, and packaging equipment, where precise linear motion and high load-bearing capabilities are essential. In automotive systems, these components are used in steering linkages, suspension assemblies, and transmission controls, providing reliable performance under extreme temperatures and mechanical stresses. For precision equipment, such as semiconductor manufacturing tools, medical devices, and optical positioning systems, the PHS SERIES ensures minimal play and high accuracy, supporting the fine-tuned movements required in these critical operations. Overall, THK’s PHS SERIES delivers a combination of durability, precision, and ease of integration, making it a preferred choice for engineers seeking to enhance the performance and longevity of their motion control systems.
| Outer Diameter | Outer Dimensions | Static applied load Radial CS |
Yield-point strength Pk |
||
| Length L |
Diameter D |
Width B1 0 -0.1 |
|||
| mm | mm | mm | N | N | |
35 |
16 |
8 |
5590 |
— |
|
39 |
18 |
9 |
6860 |
— |
|
47 |
22 |
12 |
9800 |
— |
|
56 |
26 |
14 |
13200 |
— |
|
65 |
30 |
16 |
16700 |
— |
|
74 |
34 |
19 |
20600 |
— |
|
83 |
38 |
21 |
25000 |
— |
|
92 |
42 |
23 |
29400 |
— |
|
100 |
46 |
25 |
34300 |
— |
|
109 |
50 |
28 |
41200 |
— |
|
124 |
60 |
31 |
72500 |
— |
|
145 |
70 |
37 |
92200 |
— |
|