Micro Molding


The tiniest of parts in a completed assembly are most challenging but also usually the enabling component(s) of the entire device. Similarly, micro tooling created by micro machining is critical to these parts ever making it to validation. Many new advances in micro machining technology are en- abling design and manufacturing of micro molds, which then enable very thin-walled micro injection molding in thermoplas- tic, silicone, and metal. This is leading to worldwide advance- ment of less invasive, less painful, and navigable medical and drug delivery devices. Examples of these applications include: • Pharmaceutical induced stents, anchors, needles, and sheaths


• Pharmaceutical Powder Inhalers • Diabetic pump with onboard valves • Hydrogel, and collagen implants • Micro aspirators • Biopsy forceps, sensors, and gears • Neurosurgical coil assemblies


• Transdermal patches with injection-molded polymer needles


• Intraocular and ophthalmic implants • Hearing aids • Cranium reconstruction implants and tissue reconstruction matrixes


• Microfluidic point of care devices • Tiny endoscopes • Smart cancer therapies • Micro-guided surgery


A few planets need to be aligned in order for thin-walled micro molding to be possible: a generous melt flow polymer (generally speaking >10-g/10-min melt flow); an extremely accurate core-to-cavity alignment (generally speaking <25% of tolerance); and highly balanced flow path (by mold design, part design, venting, etc.). Most thin-walled micro molding applications exhibit a level of extreme manufacturing challenge. It is rare that


WE ARE VISIONARIES


Design in CAD. Measure in CAD. The Classic 321GL tp comes standard with PC-DMIS®


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processing software and is able to be upgraded with 3D CAD programming capabilities. Use our exclusive MultiCapture technology to inspect complex, densely populated precision parts and speed up inspections by up to 70%.


Visit www.HexMet.us/me513 or contact us at 800.274.9433 to learn more about the Optiv 321GL tp.


We are Hexagon Metrology. See us at EASTEC Booth #3103 102 ManufacturingEngineeringMedia.com | May 2013


Join us for HxGN LIVE, Hexagon’s international conference, June 3–6, in Las Vegas, NV, and share your story!


Register at conference.hexagon.com/metro.


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