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Material Removal Robotic Grinding Machine For Human Knee Joint
Material Removal Robotic Grinding Machine For Human Knee Joint
Solution
After casting, forging or 3D printing, every knee implant component carries flash, riser gates, support structures and sharp edges. That material has to come off — and in a regulated industry, how it comes off is as critical as the part itself.
Manual grinding introduces exactly what a medical device manufacturer cannot accept: inconsistent depth, operator-dependent results, and uncontrolled sub-surface damage. Our robotic grinding machine removes material with constant force feedback and adaptive path control, producing a documented, repeatable process that passes audit.
Material Matters: CoCrMo, Ti-6Al-4V & AM Supports
Knee implants are not mild steel. Two material families dominate, and each demands a different grinding strategy.
Controlling Sub-Surface Damage — The Medical Difference
For a load-bearing implant, grinding is not cosmetic. Over-aggressive material removal creates micro-cracks, residual stress and surface embrittlement — damage that can initiate fatigue failure inside the patient's joint.
Our cell is engineered around damage control: force-limited passes, controlled feed, and documented process windows that keep cutting depth inside the safe envelope for CoCrMo and titanium alloys.
Force Control for Thin-Wall Implant Geometry
Knee implant components are thin-wall by design. A rigid, blind path-grinding robot will punch through a 1.5 mm condyle wall before a human notices.
The force-controlled head reads contact force in real time and withdraws the moment resistance drops — grinding flash to zero without ever touching the parent material beyond spec.
Validated Process & Batch Traceability
Medical device audits ask one question: can you prove every part was made the same way?
Every workpiece logged: program, force setpoints, tool ID, cycle time
Batch records exportable for DHR (Device History Record)
Process parameters locked per validated recipe — no operator drift
IQ/OQ/PQ support documentation available
Frequently Asked Questions
Q1. Can this cell process both CoCrMo castings and 3D-printed titanium implants?
Yes. The cell runs validated recipes per material family: CoCrMo flash/riser grinding and Ti-6Al-4V AM support removal use different force setpoints, tooling and dust handling — switchable by recipe without cross-contamination.
Q2. How do you control sub-surface damage on implant materials?
Force-limited passes and locked process windows keep material removal inside the validated envelope. We provide supporting documentation for your process validation file.
Q3. Does the system support batch traceability for DHR?
Yes. Each workpiece is logged with program ID, force setpoints, tool ID and cycle time; batch records export for your Device History Record.
Q4. Is the cell suitable for a cleanroom environment?
The closed cell contains particles at the source with HEPA-level filtration, and can be integrated with ISO Class 7/8 facilities. Downstream cleaning & passivation remain in your validated flow.
Q5. Can you run a trial on our actual implant components?
Yes — we process your real parts (or representative AM/cast samples) and return cycle time, finish results and consumable cost before you commit.
Q6. What validation documentation do you provide?
IQ/OQ/PQ support documentation, process parameter logs and material-specific grinding recommendations. Full site validation is executed with your quality team.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2010
Total Annual:
150000-1000000
Employee Number:
80~105
Ecer Certification：
Verified Supplier
Zhejiang Kingstone Robot Technology Co., Ltd. (brand name: Kingstone) is a high-tech enterprise specializing in the integration of industrial robot systems, as well as the research, development, and manufacture of automation equipment. With a professional R&D team, the company is committed to...
Zhejiang Kingstone Robot Technology Co., Ltd. (brand name: Kingstone) is a high-tech enterprise specializing in the integration of industrial robot systems, as well as the research, development, and manufacture of automation equipment. With a professional R&D team, the company is committed to...
