Optical Component Manufacturing - a Lesson in Timing, Trust, Partnership, & Experience
It is important to carefully analyze whether making or buying optical parts and components is the best approach for your team, budget, and business goals before deciding.
Building Optical Assemblies for Commercial Space Applications - Key Supplier Selection Criteria
The requirement for reliability and precision is especially the case when looking at space/earth imaging devices, which must be rugged, produce exceptional results, while at the same time being competitively priced.
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Featured Product
T.J. Davies' Retention Knobs
Our retention knobs are manufactured above international standards or to machine builder specifications. Retention knobs are manufactured utilizing AMS-6274/AISI-8620 alloy steel drawn in the United States. Threads are single-pointed on our lathes while manufacturing all other retention knob features to ensure high concentricity. Our process ensures that our threads are balanced (lead in/lead out at 180 degrees.) Each retention knob is carburized (hardened) to 58-62HRC, and case depth is .020-.030. Core hardness 40HRC. Each retention knob is coated utilizing a hot black oxide coating to military specifications. Our retention knobs are 100% covered in black oxide to prevent rust. All retention knob surfaces (not just mating surfaces) have a precision finish of 32 RMA micro or better: ISO grade 6N. Each retention knob is magnetic particle tested and tested at 2.5 times the pulling force of the drawbar. Certifications are maintained for each step in the manufacturing process for traceability.
