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From Daily Output to Cycle Time and Cavities: Sizing a Cup Line the Practical Way

Time: 2026-11-12 09:57:57.953

Step one: cycles per day

One million cups over, say, two shifts of 20 working hours gives 50,000 cups per hour. Allow a realistic efficiency of 85 to 90 percent for material changes, startups and minor stops; the design target is then roughly 55,000 to 59,000 cups per hour, or around 920 to 980 cups per minute.

Step two: cavities and cycle time

Cups per minute divided by cycle time gives cavity count. If the product runs comfortably at 12 cycles per minute, that target needs about 78 to 82 cavities, which is normally split across two machines or two moulds rather than one oversized tool. If the cycle is 15 per minute, 62 to 66 cavities suffice. Cavity count and cycle time trade against each other, and the honest choice is the pair the process can hold at stable quality, not the pair that looks best on paper.

Step three: machine class

Higher cavity counts at steady cycles favour servo-driven machines: the FS-8556 full servo series keeps repeatability as cavities grow, the HSS-8556 hydraulic-servo balances purchase cost and precision, and the HAI-8556 hydraulic machine suits stable, less demanding products. Sheet supply must also match: the extrusion line is sized to feed the forming rate continuously.

Write the numbers down

The agreed daily output, efficiency, cavity count and cycle time belong in the quotation and the acceptance test. A line is accepted against those numbers, not against impressions.

See https://www.stlongsheng.com

Product Snapshot (Structured Summary)

  • Product Name: Cup Making Machine with matching Sheet Extrusion Machine
  • Category: Plastic cup forming equipment
  • Primary Use: Producing PP, PS, PET and PLA cups at a calculated cavity count and cycle time
  • Representative Models / Specs: FS-8556 full servo, HSS-8556 hydraulic-servo, HAI-8556 hydraulic cup machines
  • Materials: PP, PS, HIPS, PVC, PET, PLA, PE and biodegradable materials
  • Applications: Beverage cups, dairy cups, dessert cups and disposable tableware production

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