Portable Dust Collectors for Metalworking: Specialized Solutions

The Critical Importance of Dust Collection in Metalworking

The pungent smell of hot metal and the distinctive sound of grinding would always take me back to my grandfather’s workshop. What I didn’t fully appreciate then was the invisible threat hanging in that dusty air. Years later, as a facility optimization consultant, I came to understand that what looks like “just dust” in metalworking environments actually represents a serious health and operational hazard.

Metal dust isn’t like household dust. When metals like steel, aluminum, titanium or more exotic materials are cut, ground, or polished, they release particulates that can be as small as 0.3 microns—invisible to the naked eye yet capable of penetrating deep into the respiratory system. These particulates often contain heavy metals and compounds that can lead to chronic conditions like siderosis (iron dust inhalation disease), metal fume fever, and even increase cancer risk with prolonged exposure.

OSHA regulations clearly define permissible exposure limits for various metal dusts and fumes. For instance, exposure to respirable iron oxide dust should not exceed 10 mg/m³ over an 8-hour workday, while hexavalent chromium compounds (present in stainless steel dust) have a limit of just 0.005 mg/m³. Compliance isn’t optional—it’s mandated by law.

Beyond health considerations, metal dust poses significant operational challenges. These fine particles can infiltrate precision equipment, causing premature wear, reduced accuracy, and costly breakdowns. They can contaminate finished products, compromise electronic components, and even create fire and explosion hazards under certain conditions.

“We’ve seen facilities transform almost overnight after implementing proper dust collection,” notes Maria Chen, an industrial hygienist with over 20 years of experience. “Not only do employee respiratory complaints decrease dramatically, but equipment maintenance costs often drop by 15-30%.”

PORVOO and other manufacturers have responded to these challenges with increasingly sophisticated portable dust collectors for metalworking operations—systems designed specifically to capture, contain, and filter the unique particulates generated in metal fabrication environments.

Understanding Portable Dust Collectors: Key Components and Functionality

Portable dust collectors represent a significant advancement in industrial dust management, offering flexibility that fixed systems simply can’t match. But what exactly constitutes a “portable” system, and how do they function?

At their core, these units combine mobility with efficient filtration technology. A typical industrial portable dust collector consists of several key components working in concert:

• A powerful motor-driven fan or blower system that creates the necessary suction
• An inlet designed to capture dust at the source (often with flexible ducting)
• A pre-filtration stage to capture larger particles
• Primary filtration media (cartridges, bags, or pleated filters)
• Optional secondary or HEPA filtration for ultra-fine particles
• A dust collection container or automated discharge system
• A control panel for operation management
• Mobility features like casters, handles, or even forklift pockets

The operational principle follows basic physics: the blower creates negative pressure that draws dust-laden air through a series of increasingly fine filtration media. As air moves through the system, particles are trapped while clean air is recirculated back into the workspace or exhausted outside, depending on the design.

What distinguishes metalworking dust collection from other applications is the nature of the particulates involved. Metal dust tends to be abrasive, potentially hot, and sometimes pyrophoric (capable of spontaneous combustion when finely divided). This requires specialized design considerations.

“The challenge with metalworking dust isn’t just capturing it—it’s dealing with its properties once captured,” explains Tom Wilder, a mechanical engineer specializing in industrial ventilation. “Filters must withstand abrasion, systems need to address potential fire hazards, and the whole unit needs to handle the volume of dust produced without constant maintenance interruptions.”

Compared to stationary systems, portable collectors offer several distinct advantages in metalworking environments:

1. Flexibility to move between workstations as needed
2. No permanent ducting installation required
3. Ability to capture dust directly at the source
4. Typically lower initial investment
5. Suitability for shops with changing layouts or processes

However, this mobility comes with trade-offs. Portable units generally have lower overall capacity than centralized systems and may require more frequent maintenance. The key is matching the right portable solution to the specific metalworking operation.

Types of Portable Dust Collectors for Metalworking Applications

The diversity of metalworking operations—from welding to grinding to CNC machining—has driven the evolution of specialized portable dust collectors. Each type offers distinct advantages for particular applications.

Cartridge Dust Collectors

These systems use cylindrical pleated filter cartridges as their primary filtration media. The pleated design provides substantial surface area in a compact footprint, making these units particularly effective for fine metal dust from processes like precision grinding or polishing.

Most cartridge-based portable dust collectors for metalworking include pulse-jet cleaning systems that periodically release bursts of compressed air to dislodge accumulated dust from filter surfaces. This self-cleaning feature extends filter life and maintains consistent airflow, crucial for continuous operations.

The filtration efficiency of cartridge collectors can be impressive, with many capable of capturing 99.9% of particles as small as 0.5 microns. This makes them suitable for working with potentially hazardous metals like beryllium, hexavalent chromium, or manganese.

Baghouse Collectors

Though more commonly seen in larger stationary installations, compact baghouse collectors are available in portable configurations for metalworking environments with heavy dust loads. These use cylindrical fabric bags (often made from specialized materials like PTFE-coated polyester) to filter particulates.

Baghouse systems excel in high-volume applications like robotic welding cells or multiple grinding stations where dust generation is substantial. Their advantage lies in dust handling capacity rather than extreme filtration fineness.

Cyclonic Separators

Leveraging centrifugal force rather than just filtration media, cyclonic collectors spin dust-laden air to separate particles by mass. Heavier metal particles are thrown outward and collected, while cleaner air moves to secondary filtration stages.

These systems are particularly effective for heavier metal chips and swarf from operations like drilling, milling, and turning. Their primary advantage is reducing the load on final filtration stages, extending filter life in challenging applications.

“Cyclonic pre-separation can extend the life of your main filters by up to 400% in heavy metalworking operations,” notes Jennifer Torres, a maintenance supervisor at a precision machining facility. “We’ve seen our filter replacement frequency drop from monthly to quarterly after adding this technology.”

HEPA-Equipped Systems

For the most demanding applications—particularly those involving toxic metals—portable collectors with High-Efficiency Particulate Air (HEPA) filtration provide the ultimate protection. True HEPA filters capture 99.97% of particles down to 0.3 microns, addressing even the finest metal dust.

These sophisticated portable dust collectors for metalworking come at a premium price point but offer unmatched protection for operations like beryllium machining, lead soldering, or work with exotic alloys containing nickel or chromium.

The optimal choice depends on your specific metalworking processes, facility constraints, and health risk factors associated with the materials being processed.

Key Features to Consider When Selecting a Portable Dust Collector

Selecting the right portable dust collection system for metalworking requires balancing numerous factors. I’ve spent months testing various systems in different shop environments, and I’ve found the following considerations to be critical to making the right investment.

Filtration Efficiency and Media Type

The first question should always be: “What are you cutting, grinding, or processing?” Different metals demand different filtration approaches. Aluminum dust, for instance, can be explosive under certain conditions, while stainless steel dust containing chromium presents specific health hazards.

Filter efficiency is measured in several ways:

• MERV rating (Minimum Efficiency Reporting Value): Higher numbers indicate better filtration, with MERV 15-16 capturing down to 0.3 microns
• DOP testing results (Dioctyl Phthalate): Measures percentage of particles captured at specific sizes
• Filter media construction: Nanofiber coatings, PTFE membranes, and antimicrobial treatments offer enhanced performance

“Don’t just look at marketing claims about filtration percentages,” advises Carlos Mendez, an industrial ventilation consultant. “Ask specifically about third-party testing for your particular contaminant type. The performance with aluminum dust might differ significantly from performance with steel or titanium dust.”

Airflow Capacity and System Design

Airflow, measured in CFM (Cubic Feet per Minute), must be matched to both your equipment and the capture method. A typical angle grinder might require 250-400 CFM for effective dust capture, while a larger surface grinding operation could need 800+ CFM.

Consider both static pressure rating and airflow when evaluating systems. Higher static pressure allows the system to maintain effective suction through ducting and when filters begin to load with dust. I’ve seen many underpowered systems that worked well initially but quickly lost effectiveness as filters began to collect dust.

The high-powered industrial portable dust collector designs balance these factors through optimized fan design and progressive filtration stages.

Mobility Considerations

True portability involves several design elements:

• Weight and size proportional to the application
• Quality casters appropriate for your shop floor type
• Handles or push bars positioned for ergonomic movement
• Brake mechanisms to secure the unit during operation
• Compact footprint that allows positioning near workstations
• Cable management features to prevent tripping hazards

I worked with a fabrication shop that initially purchased a technically capable but overly heavy dust collector. Despite having wheels, it was so cumbersome to move that employees avoided repositioning it, defeating the purpose of having a “portable” solution.

Control Features and Monitoring

Modern portable dust collectors offer increasingly sophisticated control options:

• Variable speed drives to match suction to the application
• Differential pressure monitoring to indicate filter loading
• Automated filter cleaning cycles
• Integration with tool activation for automatic operation
• Remote monitoring capabilities
• Energy-saving modes

The level of sophistication needed depends on your operation. For occasional use in smaller shops, simple manual controls may suffice. For production environments where uptime is critical, automatic monitoring features can prevent unexpected downtime and optimize performance.

Noise Considerations

One frequently overlooked factor is operational noise. Powerful dust collection systems can generate significant noise levels, potentially contributing to workplace hearing hazards. Look for units with insulated motor housings, vibration dampening mounts, and aerodynamic fan designs that reduce noise without sacrificing performance.

The best metalworking dust collection systems balance powerful performance with reasonable noise levels, allowing for communication and comfort during operation.

PORVOO’s Industrial Portable Dust Collector Solutions

During my evaluation of various dust collection options last year, I had the opportunity to work extensively with PORVOO’s industrial portable dust collector lineup. What immediately struck me was their focus on application-specific design rather than the one-size-fits-all approach many manufacturers take.

PORVOO’s portable dust collection systems are engineered specifically with metalworking challenges in mind. Their signature PD series combines mobility with industrial-grade filtration capabilities that frankly surprised me when I first saw them in action.

The technical specifications tell part of the story:

• Airflow capacities ranging from a modest 500 CFM for precision work up to 2,000 CFM for larger operations
• Primary cartridge filtration with PTFE membrane media (99.9% efficiency down to 0.3 microns)
• Optional HEPA secondary filtration (99.97% efficiency)
• Reverse pulse cleaning system using compressed air for extended filter life
• Variable frequency drive motors that optimize energy consumption
• Sound insulated housings keeping noise levels below 74 dB(A)
• Digital control systems with differential pressure monitoring

But specifications only reveal so much. What impressed me most during testing was the thoughtful engineering evident in everyday use. For instance, the intake hood design on their welding fume collectors creates a significantly wider effective capture zone than competitors offering similar CFM ratings. This means less frequent repositioning during work—a small detail that saves considerable time over a shift.

The units feature what the company calls their “SmartFlex” mobility system—essentially a combination of oversized rubberized wheels, strategically placed handles, and a balanced weight distribution that makes these substantial machines surprisingly maneuverable in tight spaces. I watched as a single operator easily positioned a unit between workstations in a crowded fabrication shop.

“We initially looked at fixed systems with ducting throughout our facility,” explains Michael Chen, operations manager at Precision Metal Fabricators. “But our workflow changes frequently as projects change. The flexibility of PORVOO’s portable units allowed us to maintain optimal dust capture while adapting to changing floor layouts. Their filter life has been about 40% longer than the previous units we used.”

What makes these portable dust collectors ideal for metalworking environments is their spark arrestance features—critical when working with materials that can generate sparks during processing. The multi-stage filtration incorporates flame-retardant materials and design elements that minimize fire risks.

Energy efficiency also stands out in extended use. The VFD motors automatically adjust power consumption based on filter loading and required airflow, resulting in energy consumption approximately 30% lower than fixed-speed systems when measured over a typical production cycle.

While premium features come with premium pricing, the total cost of ownership calculations I’ve run for several shops suggest that the higher initial investment pays dividends through extended filter life, reduced energy costs, and significantly improved capture efficiency.

Installation and Maintenance Best Practices

Setting up and maintaining portable dust collection systems properly makes the difference between mediocre and exceptional performance. Having overseen numerous implementations, I’ve compiled these critical best practices.

Optimal Positioning Strategies

Unlike fixed systems with ductwork reaching throughout a facility, portable collectors require thoughtful positioning to maximize effectiveness:

• Place the unit as close to the dust source as safety and space allow
• Position intake hoods approximately 6-10 inches from the work surface when possible
• Consider airflow patterns in your workspace—avoid competing airflows from fans, HVAC vents, or open windows
• Ensure adequate clearance around the unit for filter access and maintenance
• Use extension arms or flexible ducting to reach awkward positions rather than placing the collector too far from the source

“The capture efficiency drops dramatically with distance,” explains Rebecca Wong, industrial hygienist. “Moving an intake just 12 inches farther from the source can reduce capture effectiveness by 75%. This is why true portability that allows optimal positioning is essential.”

Filter Maintenance Schedule

Establishing a systematic maintenance program extends equipment life and ensures consistent performance:

1. Daily checks: Visual inspection of external components, emptying collection containers if near capacity, checking differential pressure readings

2. Weekly maintenance: Inspection of flexible ducting for damage, activation of pulse cleaning cycles (if not automated), verification of gasket seals

3. Monthly procedures: More thorough inspection of primary filters, cleaning of pre-filters, checking fan blades for dust buildup

4. Quarterly service: Complete system inspection, cleaning of internal components, verification of motor performance and bearing condition

5. Annual maintenance: Replacement of primary filters (may be needed more/less frequently depending on usage), professional inspection of electrical components

The latest industrial dust collection systems often include monitoring systems that can help optimize these maintenance intervals based on actual use patterns rather than arbitrary schedules.

Filter Replacement Indicators

Knowing when to replace filters is critical—too early wastes money, too late compromises performance and safety. Look for these indicators:

• Differential pressure readings exceeding manufacturer recommendations (typically 3-4″ water gauge pressure drop)
• Visible dust escaping from exhaust
• Decreased suction despite cleaning cycles
• Filters showing physical damage during inspection
• Reaching maximum recommended operating hours

I’ve found that keeping a maintenance log with pressure readings creates a performance baseline that makes it easier to spot gradual degradation before it becomes problematic.

Troubleshooting Common Issues

Even the best systems occasionally develop issues. Here are solutions to frequently encountered problems:

“Most operational issues stem from inadequate maintenance rather than equipment failure,” notes James Harrison, a maintenance supervisor with 15 years of experience. “Simple weekly checks prevent 90% of the problems I see in shops that call us for emergency service.”

For metalworking applications specifically, pay special attention to abrasive particles that can gradually wear down components. Fan blades and internal pathways may develop thin spots over time, particularly when processing harder metals.

Real-World Applications and Success Stories

The true test of any dust collection solution is real-world performance across diverse metalworking environments. I’ve witnessed remarkable transformations in facilities that implemented proper portable dust collection systems.

Precision Welding Operations

Welding generates some of the most hazardous fumes in metalworking—microscopic particles containing metals like manganese, chromium, and nickel that can cause serious neurological and respiratory damage.

Advanced Tool & Manufacturing, a custom fabrication shop, struggled with controlling welding fumes across their facility. With twelve welding stations operating simultaneously, a fixed system would have required extensive ductwork and significant downtime for installation.

They implemented eight portable high-efficiency dust collectors designed for welding applications. The results were immediate: air quality measurements showed a 94% reduction in airborne particulates, and respiratory complaints among welders dropped to near zero within the first month.

“We rotate the units between active stations throughout the day,” explains shop foreman Daniel Chen. “The mobility let us implement an effective solution without disrupting production. We’ve seen noticeable improvements in weld quality too—less ambient contamination means cleaner welds with less rework.”

Their return on investment calculation showed the system paying for itself within 14 months through reduced absenteeism, lower healthcare costs, and improved productivity.

CNC Machining Centers

Precision CNC operations present different challenges—higher volumes of chips and coolant mist that can contaminate shop air and create slippery surfaces.

Continental Precision Components installed portable dust collectors with specialized mist separation capabilities at each of their CNC machining centers. The systems capture both dry particulates and coolant mist, returning filtered air to the facility.

“Before implementing these systems, we had a constant film of oil on surfaces throughout the shop,” notes operations manager Sarah Williams. “Beyond the respiratory benefits, we’ve seen dramatically reduced slip hazards and much less cross-contamination between workstations.”

An unexpected benefit came in reduced HVAC maintenance costs. The facility’s central air handling system required filter changes every 4-6 weeks prior to implementing portable dust collection. After installation, this extended to 3-4 months, representing significant maintenance savings.

Metal Grinding and Finishing

Perhaps the most challenging application involves high-volume grinding and finishing operations that generate substantial quantities of fine, often red-hot particles.

Custom Motorcycle Fabrication specializes in custom exhaust systems, generating significant stainless steel and titanium dust from grinding operations. Their implementation of specialized portable collectors with spark arrestance features addressed both the air quality and fire hazards simultaneously.

“We measured worker exposure to chromium compounds before and after implementation,” explains safety manager Robert Newman. “We saw a 97% reduction in exposure levels, bringing us well below OSHA requirements. The ability to position these units directly at the source was key to this improvement.”

The facility also reported a substantial reduction in housekeeping time. Before implementation, general cleanup required approximately 5 hours per week. After implementing portable collection at the source, this dropped to less than 1 hour weekly, freeing staff for productive work.

These real-world examples demonstrate that properly selected and implemented portable dust collection systems deliver substantial benefits beyond basic regulatory compliance—improving productivity, product quality, and workplace safety simultaneously.

Future Trends in Portable Dust Collection Technology

The landscape of portable dust collection is evolving rapidly, with several emerging trends poised to transform how metalworking facilities approach dust management in the coming years.

Integration of IoT and Smart Monitoring

The next generation of portable dust collectors is becoming increasingly connected. IoT sensors now monitor everything from filter differential pressure to motor temperature, providing real-time data to facility management systems.

“Smart monitoring is revolutionizing maintenance schedules,” explains Dr. Elena Rodriguez, an industrial engineering professor specializing in manufacturing systems. “Rather than changing filters on arbitrary timetables, systems can alert maintenance staff based on actual loading conditions, optimizing both filter life and performance.”

These connected systems also enable predictive maintenance—identifying potential failures before they occur by analyzing performance patterns. A gradual increase in motor amperage, for instance, might indicate bearing wear before it’s audibly noticeable, allowing scheduled maintenance rather than emergency repair.

Sustainability and Energy Efficiency

Environmental concerns and rising energy costs are driving significant innovations in efficiency. The newest generation of portable collectors features:

• High-efficiency EC (electronically commutated) motors that reduce energy consumption by 30-40%
• Regenerative blowers that maintain performance while consuming less power
• Sophisticated airflow management that optimizes capture while minimizing the volume of air moved
• Filter media designed for cleaning and reuse rather than disposal

These advancements not only reduce operating costs but also align with increasingly stringent corporate sustainability requirements. Companies can now track and report the energy efficiency of their dust collection systems as part of broader environmental initiatives.

Advanced Material Science

Filter media technology is perhaps the most rapidly advancing aspect of dust collection. Nanofiber coatings, electrostatically enhanced media, and composite materials are dramatically improving both efficiency and durability.

“We’re seeing filter technologies that capture submicron particles while maintaining lower pressure drops than was possible even five years ago,” notes materials scientist Dr. James Chen. “This means better protection for workers while simultaneously reducing energy consumption.”

Some cutting-edge portable collectors now incorporate carbon nanotube-enhanced filter media that can capture ultrafine particles while lasting up to three times longer than conventional filters. While currently at a price premium, these technologies are following the typical adoption curve with costs likely to decrease as manufacturing scales up.

As regulations around metalworking dust continue to tighten globally, these technological advances will move from competitive advantages to basic requirements. Facilities investing in advanced portable dust collection systems today are not only addressing current needs but positioning themselves ahead of regulatory trends.

The most forward-thinking manufacturers are already exploring the integration of dust collection data with overall equipment effectiveness (OEE) metrics, creating comprehensive pictures of production efficiency that include environmental factors alongside traditional productivity measures.

In this evolving landscape, portable systems offer distinct advantages—allowing facilities to adopt new technologies incrementally rather than committing to facility-wide fixed installations that might become outdated as technology advances.

Balancing Investment and Returns: Making the Business Case

When evaluating portable dust collectors for metalworking operations, the initial investment can sometimes cause sticker shock. Premium systems with advanced filtration capabilities often represent a significant capital expenditure. However, a comprehensive analysis reveals that these systems typically deliver compelling returns.

The calculation begins with direct cost savings:

1. Reduced maintenance costs for production equipment: Metal dust infiltration dramatically accelerates wear on precision machinery. Proper collection extends equipment life and reduces maintenance frequency.

2. Energy savings: Modern dust collectors with VFD motors and efficient filter designs typically consume 25-40% less energy than older systems.

3. Reduced cleanup labor: Capturing dust at the source eliminates hours of sweeping, vacuuming and surface cleaning that would otherwise be necessary.

4. Extended HVAC system life: When dust collectors prevent particulates from entering general building air handling systems, those systems require less frequent filter changes and maintenance.

The indirect benefits, though harder to quantify precisely, often deliver even greater value:

• Improved product quality: Less ambient contamination means fewer defects in precision metalworking.

• Enhanced regulatory compliance: Avoiding OSHA citations and penalties while simplifying documentation.

• Reduced absenteeism: Facilities with effective dust management typically report 15-30% lower respiratory-related absences.

• Improved employee retention: Working conditions significantly impact recruitment and retention in skilled trades.

“We initially viewed our investment in premium portable dust collection as a regulatory compliance expense,” shares Michael Torres, operations director at a precision machining facility. “Two years later, we’ve come to recognize it as one of our most valuable productivity investments. The improvement in air quality has made recruiting easier, reduced sick days, and eliminated the layer of dust that used to settle on everything in the facility.”

The key to maximizing return on investment lies in selecting systems properly sized and configured for your specific applications. Oversized systems waste capital and energy, while undersized units fail to perform adequately and may require premature replacement.

Working with knowledgeable providers who understand metalworking processes is essential. The best suppliers conduct thorough assessments before recommending specific solutions, ensuring that the portable dust collectors selected for your metalworking operation will deliver optimal performance for your specific applications.

When properly implemented, advanced portable dust collection typically delivers complete return on investment within 18-36 months, with ongoing benefits throughout the equipment’s service life—often 10+ years with proper maintenance.

This represents not just a compliance expense, but a strategic investment in operational excellence, workforce health, and environmental responsibility.

Frequently Asked Questions of portable dust collectors for metalworking

Q: What are portable dust collectors for metalworking, and how do they function?
A: Portable dust collectors for metalworking are designed to remove airborne contaminants, such as dust and fumes, from metalworking processes. They typically use a filtration system to capture particles, ensuring clean air is returned to the workspace or released outside. Their portability allows for easy relocation, making them ideal for versatile work environments.

Q: Which industries benefit most from using portable dust collectors for metalworking?
A: Industries that benefit from using portable dust collectors for metalworking include manufacturing, metal fabrication, and any process involving metal cutting, grinding, or welding. These sectors often produce harmful dust and fumes that can pose health risks to workers, necessitating effective dust collection systems to maintain safety and compliance.

Q: What types of dust collectors are available for metalworking applications?
A: Portable dust collectors for metalworking include several types, such as fume arms, inertial separators, and electrostatic precipitators. Fume arms are particularly effective in capturing dust at its source, while electrostatic precipitators use electrostatic charges to remove particles from the air.

Q: Why are portable dust collectors essential for maintaining compliance with regulations?
A: Portable dust collectors are essential for maintaining compliance with regulations like OSHA standards, which set limits on airborne contaminants in workplaces. By using these collectors, businesses can effectively manage dust levels, ensuring compliance and safeguarding employee health.

Q: How do portable dust collectors improve productivity and product quality in metalworking?
A: Portable dust collectors enhance productivity by preventing dust buildup on machinery, which can cause mechanical issues and downtime. Additionally, they improve product quality by reducing the presence of dust and particles on finished goods, leading to better customer satisfaction and reduced returns.

Q: What are the health benefits of using portable dust collectors in metalworking environments?
A: The use of portable dust collectors significantly benefits worker health by eliminating harmful metallic dust and fumes from the air. These substances can cause respiratory issues and other health problems if inhaled. By removing them, companies can reduce health risks and improve overall well-being in the workplace.

External Resources

1. RoboVent – RoboVent offers portable dust collectors suitable for metalworking, including systems designed for grinding stations and cutting tables. Their solutions are customizable to meet specific workshop needs.
2. Dust Collecting Systems – This resource discusses portable dust collectors generally but highlights their use in metalworking to capture and filter harmful particles, ensuring a clean and healthy work environment.
3. Donaldson Industrial Dust, Fume & Mist – Donaldson provides dust collection equipment ideal for metalworking processes, though not specifically labeled as “portable.”
4. Magna-Matic – Magna-Matic offers industrial dust collectors for metal grindings, live sparks, and dust, which are useful in metalworking environments, though not explicitly described as portable.
5. Griffin Filters – Griffin Filters offers various dust collection solutions, including customization options that could be adapted for portable metalworking applications.
6. Elite Metal Tools – While not specifically portable, Elite Metal Tools provides dust collectors for metalworking that can be moved around with ease, making them somewhat portable within a workshop.