Our turning seal guide ring is widely used in hydraulic cylinders, pneumatic systems, industrial machinery and other fields. We can provide customized solutions according to customer needs to help improve equipment operation efficiency and sealing reliability. According to different characteristics, we have divided the turning seal guide ring into different model series.
RCF101, RCF102, RCFB102 standard guide rings are suitable for piston and piston rod guides of cylinders. Most of them need to be opened and installed in closed grooves, or they can be open.
RCF103, RCF104 standard guide rings are suitable for piston guides. The design with corners makes it have the functions of guide rings and retaining rings. It can be open or not.
RCF105 standard guide ring is suitable for piston guides. It has a convex ring on the inner diameter. It can be open or not.
RCF106 standard guide ring is suitable for piston rod guides. It has a convex ring on the outer diameter. It can be open or not.
RCF107 standard guide ring is suitable for piston guides. It has a groove on the inner diameter. It can be open or not.
RCF108 standard guide ring, suitable for piston rod guiding, with grooves on the outer diameter, available with or without opening.
Product features and applications:
Product Features
Turning seal guide ring, suitable for ISO10766 standard cavity groove, metal-plastic matching, can prevent "blocking" and "seizure", strong load-bearing capacity, and still elastic before reaching brittle temperature. The edges of the guide ring are chamfered to prevent the edges from being squeezed into the gap generated by the semicircular chamfer of the cavity groove.
Main Applications
Engineering machinery, agricultural machinery, injection molding machinery, loading and unloading platforms, support cylinders, industrial vehicles, presses, metallurgical cylinders.
Example 1 of guide ring groove for piston rod
| Φd f8 | ΦD H8 | L+0.2 | c/s | Radial clearance S |
| 6-29.9 | Φd+3 | 4 | 1.5 | 0.20-0.3 |
| 30-49.9 | Φd+3 | 5.6 | 1.5 | 0.25-0.4 |
| 50-99.9 | Φd+5 | 9.7 | 2.5 | 0.30-0.6 |
| 100-799.9 | Φd+5 | 15 | 2.5 | 0.40-0.8 |
| 800-1000 | Φd+5 | 25 | 2.5 | 0.50-1.1 |
| >1000 | Φd+8 | 25 | 4 | 0.60-1.2 |
Example 2 of a piston guide ring groove
| ΦD H8 | Φd f8 | L+0.2 | c/s | Radial clearance S |
| 6-29.9 | ΦD-3 | 4 | 1.5 | 0.20-0.3 |
| 30-49.9 | ΦD-3 | 5.6 | 1.5 | 0.25-0.4 |
| 50-99.9 | ΦD-5 | 9.7 | 2.5 | 0.30-0.6 |
| 100-799.9 | ΦD-5 | 15 | 2.5 | 0.40-0.8 |
| 800-1000 | ΦD-5 | 25 | 2.5 | 0.50-1.1 |
| >1000 | ΦD-8 | 25 | 4 | 0.60-1.2 |
Materials
1. PTFE (for medium and light loads);
2. POM or PA (for light loads);
3. Phenolic resin + fabric fiber (for heavy loads)
Selection of guide ring width and number
The formula can be used to preliminarily determine T=(F*f) / (d*Pr)
T: Width of guide ring (mm), F: Maximum radial load (N), f: Safety factor, Pr: Maximum allowable radial load (N/mm²), d: Diameter of piston or piston rod (mm)
Example: D=60mm, F=40KN, PR=90N/mm², f=2, T=40000*2/60*90=14.8mm
The calculated option is to choose one guide ring with a width of T=15mm or two guide rings with a width of 9.7mm. If two guide rings with a width of 9.7mm are selected, the safety factor can be increased to 2.6. Generally, the recommended safety factor is f=2
Determination of cutting length
L=3.14* (D-W) -K for piston
L=3.14* (d+W) -K for piston rod
K is the temperature constant, 0.8 is selected when the temperature is below 120 degrees, and 2.0 is selected when the temperature is above 120 degrees.
Calculation of cutting gap Z
|
|
Phenolic resin/POM | PTFE |
| For piston rod | 0.050(Φd+W) | 0.042(Φd+W) |
| For piston | 0.050(ΦD-W) | 0.042(ΦD-W) |
Incision Type
30° bevel cut
Straight cut (mainly used for rotation or swing and non-standard grooves)
Z-shaped incision (also has sealing function)
Address
No.1 Ruichen Road, Dongliuting Industrial Park, Chengyang District, Qingdao City, Shandong Province, China
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