What commonly causes this problem with tablets and capsules?

Common causes include dimensional variation or an unstable product orientation; A change in bulk density and aeration or hopper geometry and agitation.; guides, transfers, chutes or tooling not matching the full range.

How can I prove that an adjustment has worked for tablets and capsules?

Record a representative baseline, change one variable at a time and repeat the same measurement over enough packs to show that the result is stable rather than a one-off improvement.

When should I consider a different machine or production method for tablets and capsules?

Consider a different route when correct setup and maintenance cannot hold the required quality and sustained output across the complete product and pack range.

What information should I send before asking for a solution for tablets and capsules?

Include Representative product sample; Bulk density range; Particle or piece size; Target weight and tolerance.

Which solution website is most relevant to this question?

The clearest starting point on this page is Powder Fillers. Final suitability still needs to be confirmed using the actual product, packaging, output and site information.

Powder and piece filling

Why does tablets and capsules bridge, block or stop feeding?

Practical guidance for tablets and capsules: trace the first loss of control instead of repeatedly clearing the final jam.

Answer format: direct explanation, ordered checks and relevant solution routes. Updated 4 August 2026. Application-specific engineering review is still required.

Direct answer

For tablets and capsules, find the first point where control is lost; the visible pile-up is often downstream of the real cause. Reliable dosing depends on flow behaviour, bulk density, aeration, particle size, feeder control and the product drop into the pack. Start by film the event from the side and above in slow motion and record net weight distribution, giveaway, dust release, breakage and sustained packs per minute. Make one controlled change at a time so the original cause is not hidden by several new settings.

Powder Fillers

See the machinery and application options most closely matched to this production question.

View the solutionpowderfillers.co.uk

Production environment relevant to powder and piece filling

Work safely: Isolate machinery before inspection or clearing. Follow the machine manual, site procedures and competent-person requirements.

What usually causes this?

dimensional variation or an unstable product orientation
A change in bulk density and aeration or hopper geometry and agitation.
guides, transfers, chutes or tooling not matching the full range
The equipment or handling method not being set for counted or weighed solid doses requiring gentle controlled feeding.
speed mismatch creating collisions, pressure or gaps

Checks to make in order

Film the event from the side and above in slow motion
Record net weight distribution, giveaway, dust release, breakage and sustained packs per minute using a representative sample.
Mark the first item that moves differently from the rest
Check auger, vibratory or weigh-feeder setup, drop height and dust containment and pack support and product settling.
Measure the product and pack extremes, not just one sample
Check transfers, guides, sensors and contact surfaces
Run at low speed and increase only after the fault point is stable

How to decide the next step

Tablets and capsules involves counted or weighed solid doses requiring gentle controlled feeding. Change the handling geometry or feeding method when a setting adjustment cannot control the full product range.

If adjustment and maintenance cannot hold the required result across the complete product and pack range, compare the machinery route against a written acceptance test. The important comparison is sustained good output—not only maximum cycle speed.

What to include in your production brief

Supplying the information below makes it much easier to distinguish a setup problem from a machinery or packaging limitation:

Representative product sample
Bulk density range
Particle or piece size
Target weight and tolerance
Pack dimensions and opening
Dust, hygiene and cleaning requirement
Samples that represent tablets and capsules
A short video of the current process and fault

Relevant solution websites

These specialist sites match the production process discussed above. Final suitability should be confirmed with samples, output, site and acceptance information.

Powder Fillers Auger Fillers Weigh Fillers