SATPC0036050 Questions and Answers.pdf
PDF 147 KB Posted
- Attached to
- Optical Extensometer Federal contract opportunity
- Solicitation number
- 80NSSC24878588Q
About this file
This document is a set of Questions and Answers related to a federal contract opportunity for an Optical Extensometer. The key details are:
The chamber specifications include dimensions of 161.5mm depth to the specimen and 129mm depth to the mounting location. The fused silica windows are not currently heated but thermal models do not show a need for heating at 40K. The windows have over 95% transmission in the visible spectrum and 80-50 Scratch-Dig surface quality. Standard 6-inch green LED illumination is expected to be sufficient.
The load frame uses stationary round columns with 65mm diameter, and the extensometer is to be mounted to the front of the chamber using a custom in-house designed bracket that provides angular adjustment in pitch, yaw, and roll. Any of the Epsilon ONE mounting systems (ONE-MS-01, ONE-MS-02, ONE-MS-03, or ONE-MS-04) would be acceptable as they all include a provision for angular adjustment.
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Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| SATPC0036050 Tab 10 Open Market RFQ.pdf | ||
| SATPC0036050 Tab 04 4 Spec sheet.pdf |
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1. Chamber Specifica�ons:
o What are the exact dimensions of the chamber, specifically the depth to the specimen
("A") and the chamber depth to moun�ng loca�on ("B")? Distance A = 161.5mm, Distance B is approx. 129mm.
o Are the fused silica windows heated or designed to prevent frost and dew at low temperatures (40K)?
Windows are not currently heated. Thermal models do not show the need for hea�ng at this �me.
o Is the chamber window transparent to green light (530 nm), and is it scratch-free?
Window transmission is >95% over visible spectrum, with 80-50 Scratch-Dig surface or beter.
o Is the chamber window width (described as greater than 3.0 inches) sufficient to use standard illumina�on, or is custom illumina�on required? Standard collimated 6 inch length Green LED illumina�on should be sufficient.
2. Moun�ng System:
o What type of test frame is used in the setup (ver�cal T-slot channels, base moun�ng, sta�onary round columns)? Load frame uses sta�onary round columns with 65mm diameter. However, we an�cipate the extensometer to be mounted to the front of the chamber using an in-house designed custom bracket. We only require that the Extensometer mount include provision for angular adjustment in pitch, yaw, and roll axis with respect to the instrument line of sight.
o Based on the test frame type, which Epsilon ONE moun�ng system (ONE-MS-01, ONE- MS-02, ONE-MS-03, or ONE-MS-04) is most suitable? Any of these op�ons would be acceptable, since they all include a provision for angular adjustment of the extensometer. We expected to u�lize the por�on of the mount that provides angular adjustment, but not the por�on that would clamp to any load frame column.
These ques�ons will guide the response to ensure all aspects of the procurement and system integra�on are covered.
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