https://www.productionprocessguide.co.uk/New calculators, troubleshooting, comparisons, compliance and machinery-planning guidance.en-gbTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/about/application-trials/ppg-a8e3abb4f11b46ec9366d6b8Plan representative product and packaging trials with difficult conditions, measurable acceptance criteria, settings, evidence and open actions.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/about/editorial-corrections/ppg-1fbfb88d91b7f604bc3a43acHow to report a technical, factual, link or presentation issue and how substantive corrections are recorded across Production Process Guide.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/about/how-guidance-is-produced/ppg-9cc7b3a303438ceed2469286The method used to structure product, packaging, process, equipment, safety, cleaning and trial guidance across Production Process Guide.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/about/ppg-7bd29cf182ab3709b1533843How Production Process Guide helps customers compare filling, closing, labelling and packaging routes across 3,000 product-and-pack applications.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/about/technical-review-policy/ppg-e25624e733fdeaf0b21e9a72How Production Process Guide reviews technical topics, application templates, official-source links and limitations without overstating individual page approval.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compare/auger-vs-multihead-weigher/ppg-636b36d925a0647e0bae523cAugers meter powders through screw rotation; multihead weighers combine weighed portions and are strongest for free-flowing pieces and granules. Product flowTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compare/auger-vs-volumetric-cup-filler/ppg-95445ad50adc4ef789f4f0c0An auger controls a screw displacement for powders; cups capture a set volume and suit free-flowing granular products with stable bulk density.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compare/cip-vs-cop-cleaning/ppg-b42167b7f59405a9b29b69baCIP cleans a validated product path without full dismantling; COP removes components for cleaning in a separate controlled process. Many lines use a defined cTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compare/gravity-vs-overflow-filler/ppg-c9c70374e3d74e23e4f3c9dbGravity filling controls product flow from an elevated supply; overflow filling returns excess product to produce a consistent visual level in suitable rigidTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compare/hot-fill-vs-cold-fill/ppg-b19cc730014ffcc8051a8d9cThe preservation process comes first. Hot filling can support product and pack treatment but requires temperature control and compatible packaging; cold filliTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compare/ppg-617135f4ffde1f0ec47ad594Compare filling, dosing, capping, sealing, labelling, pouch and cleaning technologies against product, pack, output and changeover requirements.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compare/induction-sealing-vs-heat-sealing/ppg-9c1ce44764e1737d16978054Induction sealing heats a compatible foil liner through an electromagnetic field after capping; direct heat sealing applies heated tooling to film or foil atTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compare/inline-vs-rotary-filling-machine/ppg-2e74f3f34408dcd924f1b5a4Inline systems index or flow containers through a straight line and favour flexibility; rotary systems carry containers around a carousel and favour high contTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compare/piston-vs-peristaltic-filler/ppg-d42a295e8bfe8624fdb665adA piston filler offers positive displacement for broader viscous duties; a peristaltic system keeps product inside a replaceable tube and can simplify small-dTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compare/piston-vs-pump-filler/ppg-04ed769b32e16dbd96530f37Choose from product rheology, particles, dose range, cleaning and flow control. A piston meters a cylinder volume; a pump system meters pump movement, time, fTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compare/preformed-pouch-vs-vffs/ppg-09326634c66d33196ac315e7Preformed-pouch systems fill a purchased finished pouch; VFFS machines form packs from rollstock. Decide from volume, pack appearance, material cost, format fTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compare/pump-vs-flowmeter-filler/ppg-098b932c9fbb47be92c4588bA pump moves product; a flowmeter measures flow. Some systems combine both. Decide whether the primary control should be displacement, time, measured flow orTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compare/screw-capper-vs-chuck-capper/ppg-8b4e5141f2223b9cef6f2e7bSpindle cappers tighten closures while bottles travel through belts or discs; chuck cappers capture the cap with a head and can apply controlled torque in anTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compare/spindle-capper-vs-chuck-capper/ppg-18fe8b7a0f2ed3846132f8beThe practical choice depends on closure geometry, bottle control, target rate, torque window and format variety rather than assuming one method is universallyTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compare/tabletop-vs-semi-automatic-filler/ppg-51c59e24391acbdfa268f11eA compact tabletop machine reduces capital and footprint for low volumes; a larger semi-automatic system can add product capacity, multiple heads, powered hanTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compare/volumetric-vs-gravimetric-filling/ppg-a08d1777a6da81cab24909bfVolumetric systems meter a volume; gravimetric systems control mass. The correct basis follows the commercial declaration, density variation, dose, speed, accTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compare/wraparound-vs-front-back-labelling/ppg-25ab16a6e07c9ff971edbc51Wrap-around labelling rotates a cylindrical pack to apply one label around its circumference; front-and-back systems apply separate panels to flat, oval or shTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compliance/ce-ukca-machinery/ppg-b9cb9cd99413a7eb6ea55fc9For machinery placed on the Great Britain market, check the current Supply of Machinery (Safety) Regulations guidance and the applicable conformity route. CurTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compliance/cleaning-validation-allergen-changeover/ppg-ee86705e5ec1ed0095a7159bCleaning requirements should be defined from the product hazards, residue, allergen or chemical cross-contamination risk and the equipment design. A fast chanTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compliance/dsear-atex-filling/ppg-96a3d1bed6d54c5129db4fdcWhere flammable liquids, vapours, gases or combustible dusts may create fire or explosion risk, the employer must assess and control the dangerous-substance rTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compliance/factory-acceptance-testing/ppg-df83634e621466d3617fb7a3A factory acceptance test should demonstrate the agreed functions and performance with representative product and packaging before dispatch. The protocol mustTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compliance/filling-machine-urs/ppg-15ba92e21497a4e4896ca969A URS turns a product and packaging need into testable machinery requirements. It should state the operating window, interfaces, utilities, safety, cleaning,Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compliance/food-contact-materials-packaging-lines/ppg-c3173e8949d2f50a01ea89baProduct-contact machinery parts, hoses, seals, lubricants and packaging materials must be suitable for their intended food contact, temperature, time and cleaTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compliance/ppg-4382be3ed57b535844af8728Plan PUWER, CE or UKCA, DSEAR, machine guarding, packaged-goods control, URS, FAT, cleaning validation and food-contact evidence for packaging lines.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compliance/machine-guarding-risk-assessment/ppg-06d30b7ff62a21ed9b48732aGuarding should follow risk reduction by design and prevent access to dangerous parts while allowing safe production, cleaning, setting, fault recovery and maTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compliance/packaged-goods-average-system/ppg-e0b1efe7ad37cb0a16c9fab8Packers using the average system must control the batch against the three packers rules, use suitable equipment and retain required records. Filling-machine aTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/compliance/puwer-packaging-machinery/ppg-d914adaa9da513af2251bf99PUWER duties apply to organisations that own, operate or control work equipment. Machinery must be suitable, maintained, inspected where required and used byTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/glossary/ppg-7849678684508645ba0f374aDefinitions for 147 filling, dosing, capping, labelling, packaging, line-efficiency, safety and validation terms used in production planning.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/tools/automation-payback-calculator/ppg-6ef1c427a0e8d5cc63c9af71Estimate annual labour saving and simple payback for packaging automation.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/tools/batch-production-time-calculator/ppg-b136d7d8cb0106110a325336Estimate run time, allowance, changeovers and total hours for a packaging batch.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/tools/changeover-capacity-calculator/ppg-46bdecfa4a2aff20713adc50Calculate weekly and annual capacity recovered by reducing changeover time.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/tools/conveyor-accumulation-calculator/ppg-d1d5d7cc52edc12455f08ec6Estimate containers and conveyor length needed for a chosen buffer time.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/tools/fill-weight-volume-density-calculator/ppg-72a943d06116d1be8a46dcabConvert between fill volume and weight using product density.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/tools/filling-head-calculator/ppg-c14b500e4e0a8ca4d5ff566dEstimate how many filling heads are required for a target hourly output.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/tools/ppg-c06adc491b346387eb8a5029Free calculators for packaging-line output, filling heads, OEE, batch time, density, hopper size, automation payback, accumulation and changeover capacity.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/tools/oee-calculator/ppg-2bfa991e63a66024ef34f879Calculate availability, performance, quality and overall equipment effectiveness.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/tools/packaging-line-output-calculator/ppg-4e98886ed452e4ec2db6bc85Estimate ideal, sustained and good-pack output per minute, hour and shift.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/tools/tank-hopper-sizing-calculator/ppg-9986efee4d7a665b8f5c4f34Estimate working and nominal vessel capacity from dose, line rate and refill interval.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/troubleshooting/air-bubbles-and-aeration/ppg-a8b9978db6c00045ac4b3936Find where air enters or is created: mixing, transfer, suction leakage, cavitation, free fall or aggressive filling. The right correction depends on the sourcTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/troubleshooting/bottle-misalignment-at-filler/ppg-d6d2a280ad7adfffd802c251Treat misalignment as a container-handling problem: control pitch, guides, sensor position, indexing repeatability and bottle stability before changing the fiTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/troubleshooting/caps-cross-threading/ppg-78e5c230023f61cf13169c66Cross-threading starts before final torque. Check cap orientation, placement height, initial engagement, bottle control and thread compatibility.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/troubleshooting/checkweigher-false-rejects/ppg-33e16ae65b4645b3d1c8a037Before widening limits, remove vibration, airflow, product movement, belt instability, pack spacing and incorrect filtering. A checkweigher measures a movingTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/troubleshooting/conveyor-jams-and-backpressure/ppg-a9429b5de4bb96e2c5f37160Find where container flow changes from controlled movement to unstable contact. Guide transitions, speed zones, accumulation pressure and pack geometry usuallTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/troubleshooting/date-code-print-quality/ppg-1e685805d045ec9b577c8b24Separate printer condition from substrate, distance, speed, trigger timing, condensation and message setup. A clean test print on paper does not prove productTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/troubleshooting/filling-nozzle-blockages/ppg-4e19c7c7c0aad4f15532d3bfBlockages can come from particles, skins, crystallisation, dried product, foreign material or a flow path that is smaller than the real product requires.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/troubleshooting/filling-nozzle-dripping/ppg-3e06d561b1f5f29f9505ae04Dripping normally comes from residual pressure, unsuitable nozzle shut-off, worn seals, product stringing or a timing sequence that leaves product at the tip.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/troubleshooting/foaming-during-filling/ppg-3eb4c2fd475a131ea134dfbcReduce turbulence and air entrainment before slowing the whole line. Product feed, nozzle position, flow profile and container geometry all affect foam.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/troubleshooting/hot-fill-container-paneling/ppg-b3259c339c2687448cddbe00Paneling usually comes from vacuum during cooling, thermal softening, inadequate headspace or a container not designed for the fill-and-cool profile.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/troubleshooting/inaccurate-fill-volume/ppg-12934dfd77a34c4a8a55e125Separate a genuine dosing fault from product-density change, aeration, container variation, timing instability or an unsuitable verification method.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/troubleshooting/inconsistent-cap-torque/ppg-c7312a000d9c5010242410e0Torque variation can come from cap presentation, thread engagement, bottle support, chuck or spindle condition and the measurement method. Separate applicatioTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/troubleshooting/ppg-9dee897405ca1f799d4dfdf7Diagnose inaccurate fills, nozzle drips, foam, blockages, slow output, cap faults, label problems, pouch leaks, powder flow and other packaging-line issues.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/troubleshooting/label-wrinkles-and-bubbles/ppg-959b55fe9d8f02ba0d3e9842Wrinkles and bubbles normally reflect pack shape, label stiffness, surface condition, web control or wipe-down geometry. Check the label and container togetheTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/troubleshooting/labels-not-sticking/ppg-fdf13a8d34319087e8a28094Confirm surface cleanliness, temperature, condensation, pack material, adhesive and dwell pressure before increasing wipe force or replacing machinery.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/troubleshooting/long-changeover-times/ppg-b3a1af8231a7172b875df635Measure the complete last-good-to-first-good interval, then separate work that must stop the line from preparation that can be completed safely in advance.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/troubleshooting/packaging-line-running-slow/ppg-57a70372b882bf6de2006e70Measure stop loss, speed loss and quality loss separately, then identify the lowest sustained accepted rate. Increasing one machine speed can make the line woTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/troubleshooting/pouch-seal-leaks/ppg-4d25a328c4faa9eae53d6edaSeparate seal contamination from time, temperature, pressure, jaw alignment, film structure and cooling. A visually closed seal may still be weak.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/troubleshooting/powder-bridging-and-ratholing/ppg-90bdbf4aa9c106a9ec1c8c26Flow problems depend on powder cohesion, wall friction, moisture, compaction and hopper geometry. More vibration can worsen compaction or segregation.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/troubleshooting/powder-dust-and-product-loss/ppg-0b58d34b5362e228e714e20aControl dust at the source by matching hopper, feeder, nozzle, pack presentation and extraction. Excess extraction can also remove valuable product and disturTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/troubleshooting/product-stringing-and-tailing/ppg-4cc7e159f88cd782f5f883caStringing is controlled by product temperature, nozzle geometry, shut-off, suck-back, travel and the acceleration profile rather than speed alone.Tue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/troubleshooting/uneven-particle-distribution/ppg-cd929f6d8f140cf78d39f0bdControl suspension and metering together. The filler cannot deliver a representative dose if solids settle, float, segregate or cannot pass through the same fTue, 01 Sep 2026 09:00:00 +0100https://www.productionprocessguide.co.uk/troubleshooting/vacuum-lid-button-not-pulling-down/ppg-0bccfa44b70425ddadb820adA failed tamper button can result from inadequate vacuum, closure application, headspace, product temperature, seal contamination, cooling or an incompatibleTue, 01 Sep 2026 09:00:00 +0100