JUKI 40045471/40011162 Ejector
This is a vacuum ejector assembly used in JUKI SMT pick-and-place machines, providing the dedicated vacuum generation unit that creates the suction force required for component pickup and handling by the placement head nozzles.
Key characteristics:
- Application: JUKI SMT pick-and-place machines (specific model compatibility dependent on machine series)
- Function: Generates vacuum by venturi/ejector principle — using compressed air flow through a venturi nozzle to create negative pressure (vacuum) at the nozzle tip for component pickup; responsibilities include:
- Generating on-demand vacuum for component pickup at placement head nozzles
- Providing rapid vacuum on/off response synchronized with pickup and placement cycles
- Eliminating the need for a centralized vacuum pump by generating vacuum locally at or near the placement head
- Delivering consistent vacuum levels across varying component sizes and weights
- Manufacturer: JUKI Corporation
- Part number: 40045471 / 40011162 — dual part number reference indicating either a superseded/replacement part number pair or variant designation for the same ejector assembly
- Type: Pneumatic vacuum ejector / venturi vacuum generator assembly
- Category: Machine pneumatic / vacuum system component
- Wear Item: Ejector venturi components are subject to wear and contamination over time; regular inspection and replacement recommended as part of preventive maintenance
Signs of Ejector Degradation:
- Reduced vacuum levels at nozzles
- Increased component pickup failures or drops
- Slow vacuum response during pickup cycles
- Audible air leaks from ejector assembly
- Vacuum fault codes in machine software
Pairs well with
60-Day Warranty
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What Does Lewis & Clark Do?
Lewis & Clark is a trusted global broker and service partner specializing in pre-owned SMT equipment, feeders, and machine parts. We help electronics manufacturers buy, sell, service, and support SMT assets throughout their entire lifecycle.
Our role goes far beyond simply brokering equipment — we act as a connector between buyers and sellers, a technical resource, and a long-term partner to customers across the PCB assembly industry.
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Lewis & Clark sources, evaluates, and sells pre-owned SMT equipment, including:
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All equipment we sell is guaranteed to be 100% complete and operational, ensuring it can be installed and run on a customer’s production floor. If any components are missing or require replacement, we address those issues before shipment or as part of the sale.
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Through our sister company, Feeder Frenzy, we specialize in pre-owned SMT feeders, magazines, and spare parts. Customers can purchase these items directly through our online e-commerce platform, making it easy to find and order critical production components.
We support major SMT platforms including Mycronic, Universal Instruments, ASM/Siemens, FUJI, Panasonic and JUKI. All feeders and parts are authentic OEM-manufactured products and are backed by a 60-day warranty.
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- Individual feeder inspection
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Every repaired feeder is returned fully tested and backed by a 60-day warranty.
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A major part of our business is buying SMT equipment, feeders, magazines, and parts from customers looking to sell surplus or idle assets.
We work directly with:
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Whether it’s a single machine, a feeder lot, or an entire SMT line, we provide fair market evaluations and streamlined transactions.
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Lewis & Clark operates worldwide, connecting buyers and sellers across North America, Europe, and Asia. We manage or assist with international logistics, documentation, and coordination to ensure smooth transactions regardless of location.
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