Micro Release Nut (uD3RN)
Price on request
The DCUBED Micro Release Nut (uD3RN) is a Shape Memory Alloy (SMA) based release actuator which locks sensitive equipment during launch and safely releases it on orbit. It is one of the smallest, yet powerful HDRM solutions on the market. Moreover, it is easily resettable (on-ground, in-space), easy-to-use and readily available as a COTS part. User friendly, high-performance release device triggering any space mechanism in orbit. DCUBED also offers a counterpart micro Pin Puller which can be viewed here.
Description
- On Ground and In Space Resettable in Seconds, up to 400 times
- Short Delivery Time (6-8 weeks)
- Fully Redundant Actuation
- Smart SMA TriggerUltra Low Shock
- Very Low Shock
- Axial Load >2000N
- Body Size: 25 x 25 x 25mm
- Mass: 78grams
- Surface Treated Stainless Steel
- Temperatures: -35 C to +80 C
- Customizable Interfaces
- Export Limitation Free
Specifications
| Premium | Custom | |
| Body Size (L x W x H) | 25 x 25 x 25 mm (Screw Interface) | Custom x 25 mm height (min.) |
| Mass | ~78 g | Variable |
| Material | 1.4404/316L | 1.4404/316L |
| Operating temperature range | -35oC to 80oC | -35oC to 80oC |
| Release nut dimensions | Ø10 mm x 11 mm length | Ø7 mm x 11 mm length |
| Maximum axial load (Release direction) |
s000 N1 (TBC) | 2000 N1 (TBC) |
| Internal load (applied axially to the back of the nut) | 20 N (TBC) | 20 N (TBC) |
| Rapid resettability | Yes, re-insertable nut | Yes, re-insertable nut |
| Redundancy | Yes, the secondary actuation line | Yes, the secondary actuation line |
1 Achieved with the internal application of a space certified solid lubricant (Molykote 106). Take care when placing optics in proximity to the mechanism.
