Detailed Description
Five stainless rockers returned from field trials showed fretting at the 8 mm pivot after approximately 140 thousand gait cycles. The composite link carries the same peak moment with an asymmetric plus minus 30 UD and 0 slash 90 fabric schedule, stiff in swing plane and 12 percent compliant in the coronal direction to reduce lateral condyle load. Net-shape tooling holds the two bearing bores concentric within 0.018 mm without post-machining on the bonded surfaces. Porosity target 1.2 percent maximum verified by micro-CT on pilot lot n equals 5. Fatigue spec 250 thousand gait cycles at R equals 0.1, zero delamination at section. Each serialised part ships with prepreg lot, cure curve and CT slice index. Guangdong Shenyang New Material maintains PPAP submission package and change-request log per revision letter.
Specification
|
Item |
Value |
|---|---|
|
Process |
Net-shape autoclave molded |
|
Bore concentricity |
0.018 mm |
|
Porosity target |
1.2 percent max, micro-CT pilot |
|
Fatigue spec |
250k cycles R=0.1 |
|
Serialisation |
Per-part COC chain |
|
Application |
Rehab exoskeleton knee link |
Custom FAQ
Q: Do you support 3 iterations on the tool before PPAP
A: Three tool iterations are included in the development phase with one CT scanned part per iteration.
Q: Bearing bore as-molded or diamond honed
A: Bores ship as-molded within 0.018 mm concentricity and diamond hone is quoted as a secondary operation if needed.
Q: Biocompatibility statement for skin proximity use
A: ISO 10993-5 extractables summary is available for the cured laminate system on request, not for the adhesive interface.
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