Trial molding isn't a formality—it's problem-finding.
First, check filling: short shots, flash, flow marks—one look decides life or death.
Second, tune parameters: holding pressure, speed, temperature—change one variable, and everything shifts.
Third, verify dimensions: caliper it—out of tolerance and it's scrap.
Remember: heat slowly, inject steadily, log diligently.
One trial run costs thousands, even tens of thousands. Don't gamble yield on luck.
Trust data, not feel. Pass—mass produce. Fail—modify and retry.
Clean and direct. No fluff.
