Moldador por Injeção Brasileiro Reduz Custos de Material em 22% com Triturador Interno

Roberto Silva, Operations Manager — Brazil

The ZPC-500 universal crusher is simple, reliable, and easy to maintain. We installed it beside our injection molding line and our operators feed sprues and reject parts directly. The regrind is clean and consistent — we blend 25% into virgin PP without any quality issues. Best investment we made this year.

— Roberto Silva, Operations Manager

Contexto do Projeto

An automotive parts injection molder in São Paulo, Brazil, was generating approximately 18 tons of PP scrap annually from sprues, runners, and occasional reject parts. They were selling this scrap to a local broker at a fraction of material value. Rising virgin PP prices in the Brazilian market were squeezing margins, and the company sought to implement in-house recycling.

Nossa Solução

Zhiyi Machine supplied a ZPC-500 universal crusher-granulator:

  • ZPC-500 with 15 kW motor and 500×350mm cutting chamber
  • Flat-type blades optimized for PP processing
  • 8mm screen mesh producing consistent regrind for direct re-feed
  • Compact footprint for installation beside existing injection molding machines
  • Soundproof hopper for reduced workplace noise

Installation was completed in one day, with operator training provided via video call.

Resultados e Impacto

  • Material cost reduction: 22% on PP raw material spend — blending 25% regrind with 75% virgin
  • Annual savings: Approximately R$42,000 (Brazilian Reais) per year
  • Payback period: 6.5 months
  • Product quality: Zero customer rejections related to regrind content after 12 months of operation
  • Waste stream: Eliminated external scrap handling and reduced warehouse clutter

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