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Industry focus

Cannabis Processing & Packaging Automation

Geek Engineering designs controls, electrical drawings and data integration for the equipment that turns harvested cannabis into sealed, labeled packages: flower filling and weighing, pre-roll lines, child-resistant capping, print-and-apply labeling and the line records a licensee's inventory software reports to the state. We work for licensed operators and the OEMs that build their machines, and we never handle product.

What makes this sector different

A cannabis packaging line uses the same classes of machine as food or consumer-goods packaging: feeders, weighers, fillers, cappers, labelers and conveyors. What changes is the product and the paperwork. Cured flower is sticky, light and irregular, so it bridges in hoppers and clings to weigh buckets. A one-gram pre-roll or an eighth-ounce jar leaves almost no room for fill error, and every label carries batch, potency and serial data that must match what the licensee reports.

Most licensed processors start with semi-automatic stations and automate as volume grows. The engineering question is which step to automate first, and how to make the line's counts, weights and label serials reconcile with the inventory system without anyone re-keying them. Equipment builders selling into this market face the mirror image: machines that must run a sticky botanical product and hand clean data to software they do not control.

Geek Engineering has not published project work in the cannabis industry. We apply the packaging, controls and data-integration capability documented across this site, and we say so before any proposal is written.

This is a strong fit when

  • Licensed processors, infusers and craft growers moving off manual packaging
  • Pre-roll and flower lines with weight, reject or labeling problems
  • Equipment OEMs adapting fillers, weighers or pre-roll machines for cannabis customers
  • Operators who copy line counts and weights into inventory software by hand
  • Facilities adding infused-product kitchens with cookers, depositors and cooling tunnels

Scope

What the work includes

Packaging and pre-roll equipment

  • Vibratory feeder, linear-weigher and multihead-weigher integration for flower
  • Jar, tin, tube and pouch filling with checkweigher reject logic
  • Pre-roll cone filling, closing, counting and weight-verification sequences
  • Child-resistant capping and seal-verification interlocks
  • Line PLC and HMI programs with per-SKU recipes and changeover screens
  • Handshakes between stations supplied by different OEMs

Labeling, data and traceability

  • Label data pulled per batch from the licensee's inventory or ERP software
  • Print, verify and reject logic with barcode or vision confirmation
  • Batch, lot, count, net-weight and serial records exported in an agreed format
  • An audit log of what printed, when, and on which station
  • Line dashboards for throughput, rejects and give-away by SKU

Infused products and cultivation systems

  • Cooker, depositor and cooling-tunnel controls for gummies and chocolates
  • Vendor HVAC, dehumidification and fertigation systems brought into one alarm and trend layer
  • Monitoring outside classified extraction rooms, through the extraction system's approved signals

Engineering documentation

  • Electrical schematics and panel layouts for a qualified panel shop to build
  • Guarding and stop-circuit review using ANSI B11 and ISO 13849 as design references
  • FAT and SAT plans run with inert surrogate material before real product
  • As-built drawings, program backups and operator notes at turnover

Required inputs and deliverables

What we need from you

  • License type, and whether the facility is operational or still under construction
  • Product formats, net weights and target volume now and in 12 to 24 months
  • Equipment list, OEMs and a layout drawing for the line in scope
  • Which inventory or ERP software reports to the state system, and what it accepts
  • What your security plan requires for an engineering vendor's site visit

What you receive

  • Line assessment with an automation roadmap staged by volume
  • PLC and HMI programs, recipes and station handshakes
  • Electrical drawings and panel designs
  • Weighing, labeling and line-data integration with a documented data format
  • FAT and SAT records and turnover documentation

Project process

How the engagement runs

  1. STEP 1

    Technical-fit review

    From your equipment list, layout and goals; no site visit is needed to decide whether we fit.

  2. STEP 2

    Escorted site assessment

    Scheduled under your security plan with photo ID, badge and escort. Engineers never touch product.

  3. STEP 3

    Design

    Control architecture, data flow between the line and inventory software, drawings and the test plan.

  4. STEP 4

    Offline build and FAT

    Programs proven against simulated I/O and inert surrogate material before any site work.

  5. STEP 5

    SAT and turnover

    Your licensed agents run real product while we tune controls, then documentation and backups are handed over.

Who owns each part of a cannabis line project

Cannabis Processing & Packaging: who owns each part of a cannabis line project
ResponsibilityGeek EngineeringLicensee or specialist
Line controls, PLC/HMI and recipesDesigns, programs and testsApproves and operates
Handling, weighing or testing productNeverLicensed agents only
State seed-to-sale reporting (Metrc in Illinois)Delivers clean line data to your softwareCompliance team and validated software
Solvent extraction rooms and hazardous-location equipmentInterfaces outside the classified boundaryExtraction vendor, engineer of record and the AHJ
HVAC, dehumidification and fertigation equipmentIntegrates alarms, trends and interlocksEquipment vendors and mechanical engineer of record
Permits, sealed drawings and installationCoordinates and documentsLicensed PE and licensed contractors

Risks and limitations we state up front

  • Flower behaves differently by strain, moisture and cure, so feeder and weigher settings are tuned on site while your agents run product.
  • Cannabis remains illegal under U.S. federal law, which can affect banking, insurance and equipment financing for every party involved. This is a business note, not legal advice.
  • State rules and your security plan govern site access, and escort availability can set the pace of on-site work.
  • We do not design or certify equipment for classified extraction rooms; that belongs to specialist vendors and your authority having jurisdiction.

What drives cost and schedule

We do not publish fixed prices: these are the factors that determine effort. A scoped proposal follows the technical fit review.

  • Number of stations and OEM machines to integrate
  • Whether label and line data must flow automatically into inventory software
  • SKU count and how often the line changes over
  • Escorted site time and travel
  • Condition and documentation of equipment already installed

What this engagement is not

This is not consumer-facing work and not a compliance service. We do not handle, weigh or test product, operate the state tracking system, make reporting decisions, design hazardous-location extraction equipment, or take over an equipment vendor's warranty. Licensed contractors install, and a licensed professional engineer seals drawings wherever a jurisdiction requires it.

Last reviewed by Geek Engineering senior engineering review.

Cannabis Processing & Packaging: common questions

Has Geek Engineering done cannabis projects?

No published ones. We apply packaging automation, controls and data-integration capability that is documented elsewhere on this site, and we state that before any proposal. If your vendor selection requires cannabis references, that is a fair requirement, and we will tell you early if we cannot meet it.

Can a packaging line send data to Metrc?

Not directly from us: we do not connect to Metrc or hold credentials. The line sends batch, count, weight and label-serial records to your inventory or ERP software, and that software reports to the state under your compliance team's control, which keeps the compliance record with the licensee.

Will your engineers handle cannabis product?

No. Our engineers are not licensed agents. Factory testing uses inert surrogate material, and trials with real product are run by your agents while we watch the controls and tune them.

We run semi-automatic pre-roll stations. What should we automate first?

Usually weight verification and labeling, ahead of filling. A short study of weights, rejects and labor per station shows where automation pays at your volume, and the roadmap stages the remaining steps as volume grows.

Do you work with equipment OEMs that sell into cannabis?

Yes. For builders of fillers, weighers, pre-roll and labeling machines we can take on control design, recipe structure and the data interface a licensee's inventory software needs, so each machine ships with documentation its buyer's compliance team can review.

Can you automate a cannabis extraction room?

Only outside the classified area. Equipment inside a hydrocarbon or ethanol extraction room needs a hazardous-location rating and approval from your authority having jurisdiction. We connect listed extraction systems to plant monitoring through their approved signals and document those interfaces for the engineer of record.

Discuss a cannabis processing & packaging project with a senior engineer

Send your equipment list, layout and what is holding the line back. We will say what we would engineer first, and say plainly if it is outside our scope.

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