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.)
SD Series Go to SD Series(Index)
Single Disk Type Coupling_High Strength Aluminum Alloy Body
- Product Overview
-
Dimensions / Performance / CAD
Structure & Material
| Structure | Material | Surface Treatment |
|---|---|---|
| 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, Machine tools, 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 |
| NI/ASS | Steel | Electroless Nickel Plating |
| 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 | △ |
|---|---|---|
| With Keyway | △ | |
| Side-clamp (C) | General | ○ |
| Hub Split | △ | |
| With Keyway | ○ | |
| Taper-ring (T) | X | |
※You may check the sizes that Side-clamp Hub Split type is applicable from the “Dimensions / Performance” tables in the following pages.
How to Order
① Clamping Methods
- No mark
- Set-screw
- C
- General Side-clamp
- CW
- Side-clamp Hub Split
② Side-clamp Hub Split
- No mark
- Not Split
- W
- Split (Only applicable on Side-clamp Type)
③ 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.
Side-clamp Hub Split(W) Option is available
※ From certain outer diameter(OD) sizes, we can provide Side-clamp Hub Split products. Please refer to “HOW TO ORDER” page for more details.
