Mixed box sizes

Case tapers for mixed-size boxes

Plan carton sealing for operations where box sizes change across orders, batches or customer requirements.

Guarded case taper with upper and lower tape reels

Mixed cartons create extra handling

When every few cartons need a different setting, a fixed-size case taper can slow operators down. Mixed-size operations need careful selection so sealing remains faster than hand taping.

Random-size case tapers

Random case tapers are designed to adjust for changing case widths and heights. They can reduce manual machine changes where ecommerce, fulfilment or contract packing lines handle varied cartons.

Check the carton range

The machine still needs a defined minimum and maximum size range. Very small, very large, light or unstable cartons may require special checks.

Operator presentation still matters

Even with random adjustment, cartons must be stable and presented correctly. Product fill, board quality and flap condition still affect sealing results.

Next step

For a practical recommendation, send carton dimensions, packed case weight, tape details, target output and photos of the current packing area. The aim is to match the case taper to your cartons and workflow, not to force a standard machine into the wrong process.

Use the case taper quote form or call 01494 623015.

Case tapers for mixed-size boxes FAQ

What is a mixed-size case taper?

It is a machine route for operations where carton sizes change frequently, often using random-size adjustment.

Do random case tapers need setup?

They still need to be specified for a carton size range and installed correctly.

Are mixed-size machines suitable for ecommerce?

Yes, they are often considered for ecommerce and fulfilment operations with varied order cartons.

Trial the change between consecutive box sizes

A mixed-size trial should include transitions, not just separate runs of large and small cartons. Prepare a realistic order of cases and mark any unusually large change in width, height or filled weight. Ask how each carton must be spaced and presented while the selected machine adjusts.

Include repeated cartons as well as alternating sizes, because both occur in fulfilment and contract packing. Record the accepted sealing rate for the sequence used and keep that evidence separate from a rate demonstrated on one easy carton size.

Range exceptions: Identify cartons that fall outside the proposed range before choosing the machine. Describe the alternative sealing route for occasional exceptions.
Flap condition: Present the actual flap arrangement and packed case condition. Note where an operator must support or square the carton before it enters the taper.

Does random-size adjustment mean no operator preparation?

The operating arrangement still needs a defined presentation method. Confirm flap handling, spacing and case stability for the specific machine and carton sequence.