In modern plastics manufacturing, automation is essential for keeping pace with production demands, managing labor challenges, and staying competitive. But the robotic arms and conveyor systems that move parts through a facility are only as reliable as the vacuum that powers them.

From removing freshly formed trays at a thermoforming station to stacking, sorting, and packaging finished products, vacuum-powered pick & place systems are the backbone of automated part handling in plastics. And the vacuum pump behind that system directly determines whether your automation runs smoothly or causes downtime.

Whether you’re upgrading from manual handling, replacing a failing vacuum source, or scaling automation across your facility, understanding how vacuum pumps enable automation in plastics manufacturing is critical for protecting throughput, product quality, and operating margins.

This blog explains how vacuum drives pick & place automation, why pump selection matters, and which Becker technologies are best suited for plastics manufacturing environments.

The Role of Automation in Plastics Manufacturing

Modern plastics facilities produce an enormous range of products, from lightweight disposable cups and food containers to large, complex components like automotive panels and bathtubs. These parts are created using processes such as injection molding and thermoforming, often at extremely high volumes.

Once a part is formed, it must be:

• Removed from the mold or forming station
• Transferred to trimming or finishing processes
• Stacked, sorted, or packaged
• Loaded into downstream equipment

These steps are typically handled by robotic systems using vacuum-powered pick & place. To operate effectively, these systems must handle parts quickly, consistently, and without damage, even when dealing with thin-walled, flexible, or irregularly shaped products.

This is where vacuum technology becomes essential.

How Vacuum Powers Pick & Place Automation

In plastics manufacturing, vacuum creates a pressure differential that allows parts to be securely held and moved using suction-based end-of-arm tooling (EOAT).

Vacuum-powered grippers, typically equipped with suction cups, are mounted on robotic arms and connected to a vacuum source via tubing. When vacuum is applied, the gripper attaches to the part, allowing it to be lifted, moved, and released with precision. The robot provides the motion, but the vacuum does the critical work of holding the part securely throughout the cycle.

This approach is widely used across plastics applications such as:

• Removing parts from injection molds
• Transferring thermoformed trays or packaging
• Stacking thin plastic sheets or formed parts
• Loading parts into trimming, cutting, or assembly stations

The role of vacuum pumps in pick & place automation is to generate vacuum quickly and maintain a stable level throughout each cycle, ensuring consistent, repeatable handling regardless of line speed.

Why Stable Vacuum Is Critical for Pick & Place

Not all plastic parts are easy to handle. Many are lightweight, flexible, thin-walled, textured, or still warm immediately after forming. These variables make consistent gripping a real challenge.

Consider a thermoforming line where freshly formed food trays must be picked from the mold, stacked, and transferred to a packaging station in under two seconds. If vacuum fluctuates mid-cycle, trays slip. If a misaligned stack triggers a jam, the line stops. In high-volume production, even a few seconds of downtime per incident adds up across thousands of cycles per shift.

A properly designed vacuum system prevents these issues by ensuring:

Reliable Part Handling. Consistent vacuum levels allow grippers to securely hold parts without slipping, even at high speeds and during rapid acceleration of the robotic arm.

Gentle, Non-Damaging Contact. Unlike mechanical grippers, vacuum-based EOAT distributes holding force evenly across the part surface, reducing the risk of scratches, deformation, or breakage on thin-walled plastics.

Repeatable Performance. Automation depends on consistency. Stable vacuum ensures that each pick & place cycle performs the same way. Every time. Every shift.

Adaptability Across Products. Vacuum systems can handle a wide variety of shapes and sizes without requiring complex mechanical adjustments, making them well-suited for facilities producing multiple part types on the same line.

Without a stable vacuum source, automation systems become unreliable, leading to dropped parts, misalignment, and costly downtime.

Operational Benefits of Vacuum-Powered Automation

Integrating vacuum pumps into automated systems delivers measurable benefits across plastics manufacturing operations.

Reduced Manual Labor. Automating part handling reduces reliance on manual processes, improving workplace safety and helping manufacturers address persistent labor shortages in the industry.

Higher Throughput. Vacuum systems enable faster cycle times by allowing robotic systems to operate continuously and efficiently without the delays inherent in manual handling.

Minimized Part Damage. Consistent, non-contact gripping reduces scrap caused by handling defects. This protects both product quality and material costs.

Seamless Integration Across Production Lines. Vacuum-powered automation can be integrated across multiple stages, from forming to packaging. This creates a more connected and efficient workflow throughout the facility.

Lower Operating Costs Compared to Venturi Systems. Many plastics operations still use compressed air-driven venturi generators for vacuum. While venturi systems may cost less upfront, the energy required to run the supporting compressor can be eight to seventeen times higher than the horsepower needed for a dedicated mechanical vacuum pump. Switching to a direct vacuum pump can reduce utility costs by up to two-thirds, depending on the application, while also lowering maintenance burdens and eliminating dependence on a shared compressed air supply.

Best Vacuum Pumps for Pick & Place in Plastics Manufacturing

Selecting the right vacuum pump for automation depends on application requirements such as part characteristics, cycle speed, system design, and whether you need point-of-use or centralized vacuum.

Becker offers multiple vacuum technologies designed for continuous-duty industrial automation. Here’s how to think about which technology fits your pick & place application:

Oil-Free Rotary Vane Vacuum Pumps (VT Series)

Becker’s VT Series dry rotary vane pumps provide consistent vacuum with oil-free operation, using self-lubricating graphite composite vanes that require no oil changes. They’re designed for continuous duty at vacuum levels up to 25 in. Hg.

Best for: General pick & place, packaging lines, and applications requiring clean, low-maintenance operation.

Why manufacturers choose them:

• 100% oil-free operation eliminates contamination risk
• Continuous duty rated for nonstop automation
• Low maintenance with long vane life and simple on-site service
• Compact, air-cooled design with no water connections required

Claw Vacuum Pumps (BCV Series)

Becker’s BCV Series claw pumps are 100% oil-free and contactless during operation. The claw-shaped rotors rotate in opposite directions without touching, making these pumps exceptionally low-maintenance and energy-efficient.

Best for: High-speed automation lines where energy efficiency and uptime are critical.

Why manufacturers choose them:

• Non-contact compression minimizes internal wear
• High efficiency reduces energy costs over the life of the pump
• Oil-free compression chamber for uncontaminated process air
• Continuous duty rated with straightforward construction for fast service

Oil-Lubricated Rotary Vane Vacuum Pumps (U Series)

For pick & place applications involving heavier parts or situations requiring deeper vacuum levels, Becker’s U Series oil-lubricated pumps provide additional holding force. This includes applications such as handling large automotive panels, thick-walled formed parts, or components with textured surfaces that are harder to grip. 

Best for: Heavy-part handling, deep-draw applications, and automation cells where stronger vacuum is required for secure gripping.

Why manufacturers choose them:

• Capable of achieving fine vacuum levels for demanding applications
• Robust, single-shaft direct drive for continuous operation
• Dual-stage oil separation delivers 99.9%+ oil-free exhaust
• IE3 high-efficiency motors reduce long-term energy costs

Centralized Vacuum Systems

For facilities running multiple automation cells or robotic systems, centralized vacuum systems provide a scalable and efficient solution.

Why consider centralized vacuum:

• Matches vacuum supply to the actual demand across multiple systems
• Reduces total maintenance compared to running individual pumps on each machine
• Improves overall system efficiency
• Built-in redundancy helps prevent production downtime

If you’re operating multiple robotic pick & place systems or scaling automation across your facility, a centralized system is often the most efficient long-term solution.

A Note on System Design and Sizing

Proper system design is critical to automation performance. Both vacuum level and flow rate must be matched to the application to ensure reliable gripping and fast response times.

Key considerations include:

• Part size, weight, and surface characteristics
• Number of suction cups or pick points
• Required response time and cycle speed
• System leakage and tubing length/diameter

Material permeability, surface texture, and tubing design can all impact the required flow rate, making proper sizing essential for consistent automation performance. Becker’s team can evaluate your specific setup and recommend the right pump and configuration for your application.

Vacuum as a Foundation for Automation

From removing parts at the press to transferring, stacking, and packaging finished products, vacuum systems are the foundation that enables reliable pick & place automation in plastics manufacturing.

Pick & place is just one of many vacuum-dependent processes in a typical plastics operation. From thermoforming and vacuum drying to pneumatic conveying and degassing, vacuum is woven throughout the entire production chain. The partner you choose for automation vacuum should understand that bigger picture and be equipped to support your operation as it grows.

With decades of experience supporting plastics manufacturing and automation applications, Becker delivers vacuum solutions engineered for continuous operation, energy efficiency, and long-term reliability, backed by a commitment to respond to all inquiries within 24 hours and a large inventory of standard pumps available to ship when you need them.

Ready to automate your plastics manufacturing process?