Shaft Coupling
Coupling is a core component that transmits power and motion
from the driving shaft to the driven part while absorbing misalignment
and any possible factors that could reduce efficiency of machines
(e.g. vibration, noise, electric current, etc.)
SAD Series Go to SAD Series(Index)
Advanced Double Disk Coupling [SADW]
Structure & Material
| Structure | Material | Surface Treatment |
|---|---|---|
| Hub | High Strength Aluminum Alloy | Anodizing |
| Middle Hub | High Strength Aluminum Alloy | Anodizing |
| Plate Spring | Stainless Steel | – |
| Spacer(Collar) | Steel | Black Oxide |
| Assembly Screw | SCM435 | Black Oxide |
| Fastening Screw | SCM435 | Black Oxide |
Product Features & Application
| Backlash free (Precision) | ☆ | |
|---|---|---|
| High Torque (Durability) | ☆ | |
| Torsional Stiffness | ☆ | |
| Vibration Absorption | – | |
| Misalignment Absorption | ○ | |
| Applicable Motors | Servo | ☆ |
| Stepping | ☆ | |
| Encoder | ○ | |
| General | ○ | |
Application : Semi-conductor manufacturing machine, SMT, Cartesian Robot, UVW Stage, Index Table
Parts with Alternative Material Options
Sung-il Machinery provides alternative material options for Coupling parts for customers who are worried about corrosion on Black oxide finish. Please see the below table for more details.
| Mark | Material | Surface Treatment |
|---|---|---|
| No mark | Steel | Black Oxide |
| SUS/ASS | Stainless Steel | – |
Caution : Slip torque would become lower if the body material or surface treatment of screws are changed from the standard version.
Clamping Methods
| Set-screw (No mark) | General | X |
|---|---|---|
| With Keyway | X | |
| Side-clamp (C) | General | ○ |
| Hub Split | X | |
| With Keyway | ○ | |
| Taper-ring (T) | X | |
How to Order
① Clamping Methods
- C
- General Side-clamp (C)
② With Keyway
- No mark
- No Keyway
- K(b size)
- Keyway processed according to the indicated b size.
※ To verify the precise appearance of the product, please refer to the standard product drawing files provided on the top of our website’s specification table or in the technical data section.