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An Interview with Charles Warner @STM Canna

Admin • 12 August, 2026

Today's podcast features Charles Warner from STM Canna, discussing their innovative pre-roll automation technology, including grinding, filling, infusion, and closing solutions designed to improve production efficiency, consistency, and quality while reducing labor and supporting scalable operations.

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Introduction

Welcome to today's episode, where we sit down with Charles from STM Canna, a leader in pre-roll automation and production technology. Join us as we explore how STM Canna is helping businesses streamline production, improve consistency, and scale their operations with innovative equipment.

From precision grinding and high-volume filling to automated infusion and finishing, Charles takes us behind the technology powering modern pre-roll production. Discover how STM Canna's modular solutions, hands-on training, and customer-focused approach are helping producers save labor, maintain quality, and build more efficient production workflows. Don't miss this insightful conversation on the technology shaping the future of automated pre-roll manufacturing.

Charles Warner

New Business Development

0:00

Introduction to STM Canna

Elliott welcomes Charles Warner from STM Canna to discuss pre-roll automation, equipment, and solutions for improving production at scale.

0:20

Charles’s Background & STM Canna

Charles explains his role at STM Canna, the company’s Spokane, Washington roots, and its focus on developing machines that automate production while improving efficiency and quality.

2:22

Customer Feedback & Innovation

Charles discusses how feedback from customers around the world helps STM Canna continuously improve its machines and develop new solutions.

3:43

STM Canna Product Lineup

Charles covers the company’s evolution from its early products to the grinder, Rocket Box filler, closer, and infuser, highlighting the modular and scalable approach.

5:00

Rocket Box & Modular Production

The discussion explores the Rocket Box filling system, 72-count trays, assembly-line workflows, and how modular equipment can scale with production needs.

6:31

Customers & Production Scale

Charles explains how STM Canna equipment can serve boutique producers through large operators, with customized technology stacks based on throughput and production requirements.

7:50

Introducing the RollCraft Line

Charles explains how RollCraft provides a more accessible entry point to STM Canna technology by focusing on core functionality while reducing unnecessary bells and whistles.

10:04

Training & Customer Support

Charles explains STM Canna’s hands-on training process, including on-site trainers, facility-specific adjustments, and helping teams become proficient with their equipment.

12:42

Quality Control & Semi-Automation

The conversation highlights the benefits of keeping people involved at each workstation, allowing operators to maintain quality control while gaining the efficiency of automation.

13:38

On-Site Training & Maintenance

Charles discusses training, preventive maintenance plans, extended warranties, and the importance of maintaining machines as long-term production investments.

16:08

STM Canna’s Global Customer Base

Charles shares how STM Canna equipment is used by businesses of different sizes and in different regions, including both boutique producers and major operators.

17:13

Rocket Box 3.0 & Infused Material

The discussion introduces the Rocket Box 3.0, designed with a stronger motor to handle heavily infused and homogenized material.

18:27

Revolution Grinder Technology

Charles explains STM Canna’s scissor-cut grinding approach, designed to provide a consistent grind while reducing material degradation and preserving terpenes and cannabinoids.

22:40

Revolution Grinder Options & Throughput

The Revolution tabletop model and Revolution 2.0 are discussed, including their intended production levels, low-heat operation, and food-grade stainless-steel construction.

26:44

Rocket Box Filling Technology

Charles explains how the Rocket Box uses vibration and material movement to create consistent fills while helping reduce issues such as canoeing, running, and overly tight pre-rolls.

29:07

Labor Savings & Production Efficiency

The conversation examines how automated filling can reduce staffing requirements while maintaining production volume and allowing employees to focus on other operational needs.

31:35

Weight Consistency & 72-Cell Scale

Charles explains the volumetric filling approach and the 72-cell scale, which allows operators to check the individual pre-roll weights and fine-tune the system for consistent production.

34:32

Atomic Closer & 72-Count Workflow

The discussion moves to the Atomic Closer, which creates consistent Dutch crowns while continuing the 72-count workflow from filling through closing.

35:07

Rocket Box Models

Charles outlines the Mini Rocket Box Plus, Rocket Box 2.0, Rocket Box 3.0, and Rocket Box Pro, explaining how different configurations accommodate different production volumes and product requirements.

38:45

Rocket Box Filling Technology Explained

Charles describes the movement inside the Rocket Box and how its swirling action helps distribute material into the cones for a consistent fill.

39:44

Astro Infuser

Charles introduces the Astro Infuser, a 72-count system designed to consistently infuse pre-rolls while reducing manual labor and supporting different production applications.

41:40

Infusion Materials & Applications

The conversation explores the types of materials that can be used with the Astro Infuser, its closed system, cleaning requirements, and the ability to control where material is placed within a pre-roll.

44:36

Atomic Closer & Dutch Crown Finishing

Charles explains how the Atomic Closer automates Dutch crown finishing, closing 72 pre-rolls in batches and significantly increasing production speed.

46:35

Paper & Cone Compatibility

Charles discusses paper and cone compatibility, emphasizing the importance of using consistent, quality papers and correctly sized cones for reliable machine performance.

48:34

ROI & Financing Options

The conversation covers STM Canna’s ROI calculator, financing options, and how the RollCraft line can provide a more accessible path into automated pre-roll production.

50:00

Long-Term Equipment Investment

Charles discusses equipment longevity, avoiding the “machine graveyard,” continued support, and how automation can become a long-term part of a production team.

51:41

Award-Winning Production

Charles shares how STM Canna customers use the equipment to produce high-quality pre-rolls at scale, including products that have received industry recognition.

52:08

Closing Remarks

Elliott thanks Charles for the discussion and invites customers interested in STM Canna or RollCraft equipment to reach out for help selecting the right setup for their needs.

Products Mentioned in This Video