A manufacturer of test tube racks was experiencing high scrap rates for a new design manufactured from black acetal. The part geometry included 50 holes drilled part of the way through the material. The manufacturer had unacceptable yield loss due to parts warping during machining. This happened intermittently, with certain manufacturing lots, which made it difficult to diagnose and correct the problem. Troubleshoot Plastic Machining Issues They spoke with a Curbell salesperson about the issue. Curbell was able to provide them with a finished part that was within the required flatness tolerance. Tired of high scrap rates during machining? We're here to help. Our technical experts work with manufacturers troubleshoot production issues minimize expensive material scrap. Call 1-800-553-0335 | Ask an expert | Explore our materials