Precision Custom Core Pins
Smith Enterprises highlights its wide range of custom core pins for high-cavitation molds.
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Photo Credit: Smith Enterprises.
Smith Enterprises’ custom core pins expand DedTru systems grinding capacity with dimensional repeatability, accurate tolerances and concentricity within 0.001-0.0002. Ideal for demanding, small-diameter applications such as in medical and electronics, the core pins are suited for high-cavitation molds running 24/7. Consistent dimension control enables simple core pin replacement at required maintenance intervals.
With the use of double-drawn, stress-relieved M-2—which enable consistent grain structure to strength, durability, and optimized flex and deflection—Smith says its DedTru grinding is capable of holding demanding radii up to 0.0015/0.002″ and a 5-10 micro finish. Typical concentricity in multiple diameters range within 0.0002 and 0.0004. Smaller tip control down to 0.004 diameter while holding 0.0002 tolerance per diameter is achieved daily, Smith adds.
A recent COVID-19 syringe project of more than 500 core pins (six-gage sizes) with 0.009-0.019 diameters resulted in consistent tolerance control of 0.00080-0.00015″ on molding tip diameters down to 0.010". The solution also reportedly enabled consistent interchangeability.
Smith specializes in M2 , H-13, 420SS, S-7, carbide, BeCu, Stavex and other alloy steels. More than 400 diameters are offered when combined with preheat-treated M2 and H-13 pin offerings.
The company has provided precision pins and mold components to the medical, pharmaceutical, electronic and personal care industries for more than thirty years.
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