Thermoplastic Molding and Overmolding

Sil-Pro’s new capability of thermoplastic molding of implantable and disposable medical device components complements our current silicone overmolding onto plastic components, as well as the additional value add services to the final assembly, including welding, testing, printing and packaging.

Sil-Pro's new electric hydraulic hybrid injection molding machines combine the accuracy and efficiency of high resolution servo drives and advanced hydraulic clamping design. Engineered to meet the increased demand for micro molded medical applications, these machines have injection speeds up to 1500 mm/sec (59 inches/sec), acceleration/deceleration of 2 milliseconds, and are capable of extreme injection pressures. These processing attributes minimize part variability on difficult geometries, not possible with other injection molding technologies.

These press capabilities are verified through the employment of Decoupled Molding Technology (SM). This further ensures that the product has been molded with the validated parameter settings. Materials include liquid silicone rubber molding and advanced polymer molding of PE, LCP, PPS and Polycarbonate materials. The new molding systems also handle small injection units for "residence time" sensitive polymers such as PEEK, PLA, PGA, TPU and LCP high performance materials.

In-house tooling capabilities

From prototype to production molds, Sil-Pro starts with the latest CAD/CAM/CAE software, beginning with Mold Flow Analysis for both silicone and engineered thermoplastics. We complete Part, Tool and Automation designs using SolidWorks. We utilize the latest machining technology, including: Robotically tended High Speed Machining up to 40,000rpm, equipped with laser tool calibration and touch probe verification, Sinker and Wire EDM.  We use universal fixturing systems for process to process repeatability.  We stock both pre-hard and hardened stainless steel inserts for rapid deliveries for urgent tooling requests.  Our expert Tooling and Engineering staff can assist with part design to high volume manufacturing solutions. Click here for more information on the Sil-Pro In House Tool Shop.