Your Professional Bud Sorter Manufacturer
We are a Chinese manufacturer and supplier of cannabis bud sorter machines, providing professional sorting solutions for growers, extractors, and distributors.
The cannabis industry currently relies on inefficient manual sorting or traditional machines that are slow, inaccurate, and prohibitively expensive.
This results in high operational costs. It is also limited by the human eye’s inability to reliably detect moldy buds. This leads to inconsistent bud quality. HiURTB is here to change these.
We offer a full range of cost-effective cannabis bud sorting machines, including vibratory, rotary drum, and AI-powered optical bud sorters.
Our vibratory and drum bud size sorters efficiently and gently grade buds with precision into five categories: shake, popcorn, small, medium, and large buds.
Meanwhile, our AI-powered optical sorters rapidly and accurately identify and remove moldy buds from large volumes, fundamentally enhancing your product’s overall quality and consistency while dramatically reducing your long-term operating costs.
All HiURTB automatic bud sorters are engineered to deliver high-speed, precise, and consistent grading on the premise of absolute zero damage.
We offer comprehensive customization, from sieve specifications to AI algorithms. And our bud sorter grates can integrate seamlessly with trimming and bud packaging lines to build a smooth, automated production line.
WhatsApp or email us for the best bud sorter price.
Linear Vibrating Screen Sorter- 200 lbs./hr
- Stainless steel mesh Area 2000×700 mm
- Adjustable Speed Settings
- continuous processing
- 2~5 Decks Table Factory
Cannabis Tumbler Sorter- Adjustable Band Speed
- Precision Sorter + Rise Conveyor
- 400 lbs./hr
- continuous processing
HI-65XZ- Bud AI Opto Sorter
- 80-2400 Lbs/Hours
- AI algorithm, High accuracy
- Reject mold or mildew flowers
Advanced Bud Sorting Technology
Through touchless grading technology, our cannabis size sorter ensures every single bud’s trichomes remain intact, perfectly preserving potency and flavor. Constructed entirely from food-grade 304 stainless steel, our automated flower bud sorter supports deep cleaning and integrates seamlessly into GMP-certified workflows.
Choosing our bud sorter means opting for higher throughput, lower waste, lower investment, more consistent premium-grade output, and the powerful capability to maximize value from every gram of your biomass.
Higher Output Ratio
Currently, the industry is largely constrained by inefficient throughput.
Manual or basic small sorting equipment often delivers less than 100 lbs/hour, and even mainstream automated machines typically advertise capacities between 90 – 400 lbs/hour. Extra bud sorters or labor costs are usually increased largely during peak seasons.
HiURTB Drum Bud Sorter: Steadily achieves 400 lbs/hour
AI Moldy Bud Sorter: Delivers a capacity of 88-2645 lbs/hour (40-1200 kg/hour).
A single one of our bud sorters can replace multiple traditional lines, greatly simplifying your workflow and significantly reducing your cost per pound.
Lower Total Cost of Ownership
Reduce Initial Capital Outlay: A single HiURTB bud sorter can replace multiple low-efficiency machines. This directly reduces the number of cannabis sorters purchased, along with associated installation, maintenance, and floor space requirements.
Achieve Significant Operational Savings: A high level of automation and fast processing speed drastically reduces reliance on manual sorting labor. Labor costs in related stages can be reduced by approximately 70-90%, with corresponding savings in management overhead.
Extend Your Asset’s Productive Lifespan: The robust construction and practical design of HiURTB sorters ensure reliable, long-term performance. This translates to a lower annual sorting cost and higher utilization of your capital investment over time.
A Sorter That Grows With You
Choosing a bud sorter that is already near its capacity limit can be a costly mistake. As your business expands, such sorter risks rapid obsolescence, forcing you into premature reinvestment.
With our sorter solutions, you invest in growth, not just gear.
HiURTB bud sorters are designed with ample performance headroom and modularity, ensuring they can comfortably handle increased production volumes in the coming years.
HiURTB sorter won’t just work for you for several years. It’s built to remain a productive, valuable asset throughout your business’s growth journey.
When to Use a Bud Sorter
Pre-Sort Before Curing: After trimming and before final curing, HiURTB Bud Sorter rapidly separates large, dense colas from smaller buds and shakes. This allows buds of different sizes to cure independently and uniformly, ensuring consistent final moisture content.
Final Sort/Grade Before Packaging: After curing and before packaging, our AI-powered Bud Sorter performs the final quality inspection. It accurately identifies and removes moldy or abnormal buds. This is the last and most crucial step to ensure buds consistency.
Wide Applications of Hiurtb Bud Sorter
HiURTB bud sorter provides key sorting solutions for the entire cannabis processing chain:
Premium Bud Packaging: HiURTB bud sorter performs non-destructive size grading (e.g., Small, Medium, Large) and AI-powered color/quality sorting on trimmed flowers, guaranteeing consistency and premium appearance for A-grade products.
Pre-Roll Material Preparation: HiURTB bud sorter precisely separates buds of different sizes from shake, ensuring uniform filling material.
Pre-Extraction Input Optimization: Utilizes HiURTB AI optical sorter to accurately remove moldy and substandard parts, significantly enhancing the purity, safety, and yield rate of subsequent extracts.
Stem & Foreign Matter Separation: Employs HiURTB AI intelligent recognition to efficiently separate stems, foreign objects, etc., from buds or biomass.
Biomass Purification: HiURTB sorter automates the sorting of industrial hemp biomass, like cannabis seed sorter machine, to improve the overall grade of raw material.
Different processing stages require distinct sorting technologies. HiURTB engineers can analyze your specific material and goals to recommend the most suitable solution (size sorting, AI optical sorting, or a combined system).
More About Hiurtb Bud Sorter
- 3 Bud Sorters For Sale
- Bud Ai Sorter
| Equipment Type | Core Technology | Processing Capacity | Core Advantages | Ideal Application Scenarios |
| Linear Vibration Sorter | Multi-layer Vibration Sieves | ≈ 90 kg/hour (200 lbs/hour) | Cost-effective, gentle separation, suitable for dry/wet flowers, easy to clean. | Pre-roll material preparation, small to medium batch grading, separation of buds and shake. |
| Automated Drum Sorter | Adjustable Drum Sieves | ≈ 180 kg/hour (400 lbs/hour) | Higher processing capacity, stable operation, suitable for continuous high-volume operation. | Large-scale commercial cultivation, size grading of raw materials prior to extraction. |
| AI Intelligent Optical Sorter | AI Vision + Air Jet Ejection | 40-1200 kg/hour (See detailed models below) | Intelligent quality control, sorts by color, shape, defects; rejects moldy/leafy buds. | Final quality control for premium brands, preparation of extraction materials requiring extreme purity. |
For large-scale projects pursuing ultimate quality and automation, HiURTB AI mold weed bud sorter is your ultimate solution. Key components include Japanese CCD sensors, American FPGA processing chips, LED light sources, a 12-inch user-friendly touch screen, and Japanese CKD/SMC pneumatic components, ensuring fast recognition, high precision, and reliable operation. Below are the technical specifications of the core moldy weed fix models:
| Model | Capacity (kg/hour) | Sorting Accuracy | Rejection Ratio (Good:Bad) | Power | Machine Weight (kg) | Dimensions (L*W*H mm) |
| HI-6SXZ-64A | 40-60 | ≥99.99% | >30:1 | 0.75KW | 340 | 785*1397*1497 |
| HI-6SXZ-128A | 150-200 | ≥99.99% | >30:1 | 1.1KW | 450 | 1250*1535*1832 |
| HI-6SXZ-192A | 300-400 | ≥99.99% | >30:1 | 1.6KW | 600 | 1250*1535*1832 |
| HI-6SXZ-256A | 800-1200 | ≥99.99% | >30:1 | 2.3KW | 840 | 2105*1515*1800 |
Core Principles & Grading Results
Will The Commercial Bud Sorter Damage The Flowers Or Trichomes?
A: Absolutely not. “Non-destructive grading” is our core philosophy. The flower grading system utilizes gentle vibration, or non-contact air jets, specifically designed to protect delicate buds and fragile trichomes, avoiding any squeezing or friction damage that can occur with manual sorting.
How Are The Different Grades/Sizes Defined For Bud Sorters?
By changing bud sorter sieve screens with different aperture sizes. Standard screen sizes are 1/4″, 1/2″, 3/4″, 1″, and 1 1/4″. Material passing through the smallest apertures is typically considered shake/trim, while material remaining on the largest apertures represents your A-grade top flowers. You can freely combine screens based on your market definitions, and we offer customization services.
How Do I Choose The Sieve Type Of Bud Sorter?
Your sorting objective determines the appropriate sieve type. Please refer to the following physical principles:
| Sieve Type | Sorting Basis | Working Principle Analogy | Example Application Scenarios |
| Grate Screen | The “minimum width” of the bud | Like passing through a “fence gate”: Buds lie flat during conveyance; those with a width ≥ gap remain on the screen. | To separate out plump buds above a specific width, or for fine grading by width (e.g., 1/4″, 1/2″, etc.). |
| Round Hole Screen | The “maximum length” of the bud | Like passing through a “tunnel”: Buds tumble on the screen surface; those with a length ≤ aperture fall vertically through. | To remove shake or small buds below a specific length, or for grading by length. |
What Are The Uses For The Sorted “Smalls” Or “Popcorn Buds”?
These buds are fully potent and highly valuable raw materials. They are perfectly suited for:
- Filling material for pre-rolls.
- Extraction to make concentrates, oils, etc.
- Direct sale as a cost-effective “small bud” product.
What Is The Approximate Yield Ratio After Dry Sift Bud Sorting?
This depends entirely on your input material composition. For reference, with well-trimmed A-grade input, typically about 60-70% becomes “medium/large buds,” 15-25% becomes “smalls/popcorn,” and the remainder is shake.
Application Scenarios & Best Practices
Should Buds Be Sorted Before Or After Curing?
A: Most commercial growers choose to perform the main sort (Pre-Sort) after drying rack but before the final cure. Because buds of different sizes lose moisture at different rates, curing them separately results in more uniform final moisture content. After the final cure and before packaging, the AI Sorter can be used for a final quality check. Our equipment is suitable for both scenarios.
Can The Bud Sorter Be Used For Wet Trimming/Sorting?
Not recommended. Our cannabis flower sorters are primarily designed for dried buds. Wet buds are heavier, stickier, and can easily clog sieve apertures, lead to inaccurate sorting, and soil the equipment. To ensure optimal results and machine longevity, buds must be dried first.
What Is The Ideal Moisture Content For Sorting Buds, And How To Achieve It Consistently?
For optimal sorting efficiency and accuracy, cannabis buds should be dried to a moisture content of approximately 10-12%. At this level, buds are neither too wet (which causes sticking and clogging) nor too brittle (which increases breakage).
People usually achieve this by hang-drying net buds.
For cultivators focused on maximizing terpene preservation, color, and overall quality while drastically reducing drying time, using a Bud Freeze Dryer prior to sorting is the recommended practice. It provides uniformly dried buds that are ideal for gentle, high-precision sorting with our machines.
Can The Bud Sorter Process Cannabis Buds With Branches/Leaves?
Yes, but under a condition: The impurity (branches/leaves) ratio is recommended to be <15%. Exceeding this ratio will lead to accelerated wear of the air knives, frequent clogging of sieve gaps, requiring cleaning shutdowns every 30-90 minutes, impacting efficiency.
Optimization Solutions:
- Basic Solution: Manual pre-sorting, but this increases labor costs by approximately 15%.
- Recommended Solution: Pair with a HiURTB Trimmer, which can automatically remove about 90% of impurities.
- Ultimate Solution: Establish a full “Trimmer + Bud Sorter” automated line. This can directly process untrimmed buds, outputting purified buds with a cleanliness level up to 99.1%, maximizing overall efficiency.
Can The Bud Sorter Process High-CBD, Low-THC Industrial Hemp Flowers? Is The Principle The Same?
Absolutely, the sorting principle is identical. Industrial hemp flowers are often smaller and denser, so you may need to adjust the sieve size combination (e.g., using more small-aperture screens). Our experts can provide customized sieve configuration advice based on your samples.
I’m A Small-Scale Grower Or Just Starting Out. Are Bud Sorters A Practical Investment For Me, Or Should I Stick To Manual Sorting?
This is a common consideration.
For very small, occasional harvests, manual sorting or simple DIY screening methods might seem sufficient initially.
However, they quickly become bottlenecks as you scale, due to labor intensity, inconsistency in grading, and the inability to remove moldy buds reliably.
Investing in a professional bud sorter, even at a modest scale, is about protecting the quality and value of every gram you produce.
We can produce the bud sorters which bring automation and precision to smaller operations, turning hours of manual work into minutes.
This allows you to maintain quality consistency from the start and frees up your time to focus on cultivation.
It’s not just about volume; it’s about building a professional, efficient, and quality-focused process from day one.
Intelligent Equipment & Advanced Features
How Does The AI Optical Bud Sorter Work?
Its workflow is simple yet intelligent:
- High-Definition Imaging: Buds pass in a single layer beneath high-speed cameras, captured from multiple angles by high-resolution CCD sensors and specific LED lighting.
- AI Real-Time Judgment: The built-in AI algorithm compares the image of each bud against a preset “qualified standard” model within milliseconds, identifying defects such as mold, discoloration, excess leaf, stems, or pests.
- Precision Air Ejection: Once identified as defective, the system controls a precise solenoid valve to emit a high-speed air jet, accurately blowing the bud into the reject chute, while high-quality buds continue into the accept bin.
No AI expertise is required for operation: - Ready-to-Use: The machine comes pre-installed with a general model for common defects.
- Intuitive Settings: Via the touchscreen, you can easily set sensitivity thresholds for color, mold spots,crow feet, leaf length, stem content, etc., much like adjusting a filter.
- Core Value: It doesn’t change bud size but ensures the final packaged or extraction-ready material is pure, safe, and consistent in quality—the ultimate tool for building a premium brand and meeting strict regulatory requirements.
What’s The Difference Between A Regular Size Bud Sorter And An AI Optical Sorter?
Our size sorters and AI Optical Sorters are completely different devices based on different principles, aiming to solve different problems:
- Size Sorter: It is a “physical sieve,” performing mechanical separation based on the physical dimensions (length, width) of buds, yielding products of different specifications.
- AI Optical Sorter: It is an “intelligent visual quality inspector,” performing intelligent recognition and sorting based on the visual characteristics (color, shape, texture) of buds. Its core goal is to enhance quality and purity.
Do I Need To Train The “Intelligent Model” For The AI Optical Sorter? Are Updates Charged?
You do not need to perform complex model training. The machine comes with a built-in general model for common defects (mold, yellow leaf, stems) and is ready-to-use out of the box. If you have special classification criteria (e.g., specific color preferences), our technical support team can assist you remotely or on-site in collecting samples, calibrating, and establishing a custom model. This service is typically free during the warranty period. Subsequent major updates may incur a small service fee.
Installation, Operation & Maintenance
What Are The Power And Compressed Air Requirements For HiURTB Bud Sorters?
All models support standard industrial power supplies (110V/60Hz, 220V/50Hz).
The AI Optical Sorter and some automated models require a clean compressed air source (typically 0.6-0.8 MPa).
We provide a detailed Site Preparation Guide before purchase to ensure smooth installation.
How Long Does It Take From Order Placement To Installation And Use For Bud Sorters?
Standard models can be arranged for shipment within 2-3 weeks after payment. Custom sieve screens require an additional 6-8 production days. We provide detailed installation manuals and video guides. Standard installation can be completed within one day. If on-site technical support is needed, our engineers can schedule a visit.
How Much Maintenance Does HiURTB Bud Sorter Require?
Daily maintenance is simple. The core is maintaining cleanliness. We recommend using a soft brush to clean the sieves after each run and wiping them down periodically (e.g., weekly) with isopropyl alcohol to dissolve resin residue and prevent clogging. The main structure is stainless steel and can be cleaned with a wet cloth or low-pressure water spray.
What Cleaning Agents Or Tools Do You Recommend For Cleaning The HiURTB Bud Sorter?
We recommend using food-grade Isopropyl Alcohol (IPA) to efficiently dissolve resin residue. For daily cleaning, a mild neutral detergent and a soft cloth are sufficient. The machine body can be rinsed with a low-pressure water spray. Do not use highly corrosive chemicals (e.g., bleach) or steel wool, as they can damage the stainless steel surface and precision components.
What Kind Of Training Do You Provide For The Order Of Bud Sorters?
We provide a full set of English bud sorter manual and maintenance videos and electronic manuals. For bulk purchases or key clients, we offer one complimentary online group training session. For the AI Optical Sorter, we additionally provide basic software operation and parameter setting training.
Warranty & After-Sales Service
What Does The Bud Sorter 3-Year Limited Warranty Specifically Cover And Not Cover?
Coverage: Under normal use, we provide free repair or replacement of parts (including core components like motors, sensors, and control systems) for failures caused by material or manufacturing defects.
Not Covered: Regular wear parts (e.g., sieve screens, conveyor belts), damage resulting from failure to follow manual instructions for operation/cleaning/maintenance, and damage caused by force majeure (e.g., power surges, floods). Detailed warranty terms will be specified in the contract.
What Is The Response Time For Technical Support If A Failure Occurs On Bud Sorter?
We provide a three-tier support system:
- Online Self-Help: Knowledge base on our website, troubleshooting videos, available 24/7.
- Remote Support: Via phone or video call, with a response within 2 hours during business hours to resolve most software or operational issues.
- On-Site Service: For hardware failures that cannot be resolved remotely, we dispatch an engineer within 48-72 hours according to contract terms (specific timing depends on location).
