JUKI 40076877 Vacuum Ejector Assembly VSWM-H10-F-6-X00220 for JX-100 SMT Pick-and-Place Machine

JUKI 40076877 Vacuum Ejector Assembly VSWM-H10-F-6-X00220 for JX100

The JUKI 40076877 VSWM-H10-F-6-X00220 Vacuum Ejector Assembly is a pneumatic vacuum component used in the JX-100 SMT pick-and-place machine. Its primary role is to generate the vacuum required by the component pickup system, helping the nozzle securely hold electronic components during pickup, transfer, positioning, and placement.

Stable vacuum performance is essential for reliable SMT operation. When an ejector becomes contaminated, restricted, worn, or unable to maintain sufficient vacuum response, the machine may experience pickup errors, dropped components, repeated retries, vacuum alarms, or production interruptions.

Part number 40076877, also commonly written as 400-76877, together with model VSWM-H10-F-6-X00220, provides a clear purchasing reference for maintenance engineers and SMT spare-parts buyers. The assembly is suitable for preventive maintenance, machine repair, production-line servicing, equipment refurbishment, and emergency spare-parts storage.

The vacuum ejector operates repeatedly throughout SMT production. Each component pickup cycle requires the machine to generate, maintain, and release vacuum in a short period.

During long-term operation, contamination, leakage, restrictions, or pneumatic wear can reduce vacuum efficiency.

Compressed-air systems may carry small amounts of dust, moisture, oil residue, or fine particles.

These contaminants can gradually accumulate inside pneumatic passages.

Possible effects include:

• Reduced airflow
• Slow vacuum response
• Weak suction
• Irregular vacuum generation
• Intermittent pickup performance
• Increased component pickup errors

Even if the ejector continues to operate, reduced response speed can become a problem during continuous SMT production.

A vacuum system relies on sealed pneumatic connections.

Leakage may develop at:

• Air tubes
• Push-in fittings
• O-rings
• Sealing surfaces
• Vacuum connectors
• Ejector ports
• Related pneumatic assemblies

A small leak can reduce the available suction at the pickup nozzle.

Therefore, the complete vacuum circuit should be inspected before deciding which component requires replacement.

SMT machines may perform millions of pickup cycles during their service life.

The ejector works continuously in demanding production environments involving:

• Repeated compressed-air cycles
• Constant vacuum switching
• Machine vibration
• Dust exposure
• High production volumes
• Frequent component changes

Long-term use may gradually affect pneumatic performance.

The ejector may not always be the only cause of a vacuum problem.

A restriction elsewhere in the vacuum path can produce similar symptoms.

Accurate troubleshooting helps avoid unnecessary component replacement.

A pneumatic ejector depends on a stable compressed-air source.

If supply conditions are unstable, vacuum performance may also fluctuate.

Potential causes include:

• Low air pressure
• Pressure fluctuation
• Restricted air line
• Contaminated compressed air
• Moisture in the air circuit
• Regulator problems
• Insufficient plant air capacity

Checking the air supply is an important part of vacuum-system diagnosis.

Factories operating high-volume SMT production lines often keep critical pneumatic spare parts available before a complete failure occurs.

Preventive replacement can be considered according to:

• Machine operating hours
• Production intensity
• Maintenance history
• Vacuum performance trend
• Frequency of pickup alarms
• Age of the installed component
• Availability of spare parts

Keeping a verified 40076877 ejector assembly in maintenance inventory can shorten repair time when an unexpected vacuum problem occurs.

These symptoms should be used as troubleshooting references rather than absolute confirmation that the ejector itself is defective.

When maintenance inspection confirms that the ejector is unable to provide reliable vacuum performance, replacing the existing unit with the correctly identified 40076877 VSWM-H10-F-6-X00220 Vacuum Ejector Assembly can restore the vacuum-generation function.

The most important identification references are:

Using these identifiers together reduces the risk of purchasing a visually similar but unsuitable pneumatic component.

Maintenance work should be completed by appropriately trained technicians.

Technical values such as exact operating pressure, vacuum level, suction flow rate, air consumption, port size, dimensions, and weight should be confirmed against the actual component or machine documentation before purchasing.

Do not select an ejector only according to appearance.

For reliable matching, provide:

JX-100 + 40076877 + VSWM-H10-F-6-X00220 + Existing Product Photo

Different JUKI machines and head configurations may use different vacuum ejector assemblies. Similar appearance does not mean direct interchangeability.

Different ejector assemblies may vary in:

• Pneumatic flow characteristics
• Vacuum response
• Port arrangement
• Mounting structure
• Tubing configuration
• Machine application
• Head position
• Control requirements

Always verify the exact part number before replacement.

A vacuum problem can involve more than one component.

A complete inspection can help identify the true cause of unstable pickup performance.

The primary application of the 40076877 ejector assembly is the JX-100 SMT placement machine.

During automated production, the machine must repeatedly:

1. Move the placement head toward the feeder.
2. Position the nozzle above the component.
3. Generate vacuum.
4. Pick the component.
5. Transfer the component toward the PCB.
6. Complete alignment and positioning.
7. Place the component onto the board.
8. Release the component.
9. Repeat the cycle.

The vacuum ejector supports the suction required during the pickup and transfer stages.

The ejector assembly is suitable for maintenance departments operating JX-100 equipment.

Typical applications include:

• Emergency machine repair
• Scheduled preventive maintenance
• Vacuum system troubleshooting
• Pneumatic system servicing
• Machine refurbishment
• Production-line spare inventory

Keeping correctly identified replacement parts can reduce downtime.

The product can be used by:

• EMS manufacturers
• PCB assembly factories
• Consumer electronics manufacturers
• Automotive electronics plants
• Industrial electronics manufacturers
• Communication equipment factories
• LED assembly facilities
• Electronics contract manufacturers

Reliable vacuum performance contributes to stable automated component handling.

Used SMT machines often require inspection of pneumatic components before returning to production.

During refurbishment, technicians may inspect:

Replacing degraded parts during refurbishment can improve long-term machine stability.

A pneumatic vacuum ejector uses compressed air to create suction.

The basic airflow sequence is:

Compressed Air → Internal Ejector Passage → Accelerated Airflow → Pressure Difference → Vacuum Generation → Pickup Nozzle

When compressed air enters the ejector, it passes through a specifically designed internal passage.

The airflow accelerates and creates a low-pressure region.

This pressure difference generates vacuum.

The vacuum is then transmitted through the machine's pneumatic circuit toward the pickup nozzle.

The placement head moves toward the feeder position.

The appropriate nozzle approaches the component surface.

The ejector generates suction through the vacuum circuit.

The vacuum holds the electronic component against the nozzle tip.

The placement head carries the component toward the PCB.

Machine control and vision systems align the component.

The nozzle lowers the component onto the target PCB location.

The machine releases the component and starts the next pickup cycle.

A successful pickup system requires more than maximum vacuum strength.

Important characteristics include:

• Fast vacuum generation
• Stable suction
• Repeatable response
• Low leakage
• Clean airflow
• Reliable release
• Consistent pneumatic pressure

A slow or unstable vacuum response can reduce placement efficiency even if the ejector still produces some suction.

The first selection point is the machine model.

For this product:

Applicable Machine: JX-100

Do not choose only according to the general description "JUKI vacuum ejector."

Confirm that the installed part corresponds to:

40076877

It may also appear as:

400-76877

The part number is one of the most important purchasing references.

Confirm:

VSWM-H10-F-6-X00220

If the existing ejector has a different suffix or complete model, compatibility should be checked before replacement.

Compare:

• Overall appearance
• Pneumatic port arrangement
• Air tube connections
• Installation position
• Mounting structure
• Product label
• Connector orientation

This helps reduce ordering errors.

For technical verification, clear product photos are recommended.

Useful photos include:

1. Complete ejector view
2. Product label
3. Front side
4. Rear side
5. Pneumatic connections
6. Installed position

Photos are especially useful when the equipment has been modified or serviced previously.

Before ordering, confirm whether the required product should be:

• Original new
• New compatible
• Used original
• Refurbished

The exact supply condition should be stated in the quotation.

For quotation, provide:

This information allows faster product confirmation.

Check:

• Compressed-air supply
• Solenoid valve
• Pneumatic tubing
• Fittings
• Ejector
• Vacuum manifold

Check:

• Nozzle blockage
• Filter contamination
• Air leakage
• Ejector restriction
• Damaged pneumatic tube
• Sealing condition

Possible reasons include:

• Vacuum level too low
• Air leakage
• Incorrect nozzle
• Worn nozzle
• Component surface issue
• Slow vacuum response

Do not replace the ejector until other related causes have been inspected.

Possible causes include:

A systematic inspection can shorten troubleshooting time.

Monitor:

• Pickup stability
• Vacuum alarms
• Abnormal pneumatic noise
• Air supply condition

Inspect:

• Tubing
• Fittings
• Filters
• Nozzles
• Vacuum connections
• Ejector condition

Evaluate vacuum performance before repeated production failures occur.

For critical production equipment, keeping spare ejector assemblies available can reduce recovery time.

Actual inventory requirements should be based on operating hours and maintenance history.

Recommended inspection points include:

For purchasing confirmation, product photos can be requested before shipment.

The vacuum ejector assembly should be packed carefully to reduce transportation damage.

Typical packaging may include:

• Protective individual wrapping
• Dust-resistant bag
• Cushioning material
• Inner protective box
• Strong outer carton
• Product identification label

Shipping can be arranged according to order quantity, destination, and urgency.

Before submitting an order, confirm:

JUKI 40076877 VSWM-H10-F-6-X00220 is a vacuum ejector assembly used to generate pneumatic suction for the JX-100 component pickup system, supporting stable nozzle pickup, transfer, and placement during automated SMT production.

Verify the JX-100 machine model, 40076877 part number, VSWM-H10-F-6-X00220 ejector model, installation configuration, pneumatic connections, and product label. Sending clear photos of the existing unit is recommended.

No. Weak vacuum can also result from blocked nozzles, contaminated filters, leaking tubes, damaged fittings, sealing problems, unstable compressed air, sensors, or control valves. Inspect the complete pneumatic system first.

Different ejector assemblies may appear similar but use different airflow characteristics, pneumatic connections, mounting arrangements, and applications. Matching the complete model number helps reduce incorrect replacement and unnecessary machine downtime.

Please provide part number 40076877, model VSWM-H10-F-6-X00220, machine model JX-100, required quantity, preferred product condition, destination country, and delivery requirement. Product photos can further improve matching accuracy.

Need JUKI 40076877 VSWM-H10-F-6-X00220 Vacuum Ejector Assembly for JX-100?

Please send your:

• Part number
• Machine model
• Ejector model
• Required quantity
• Product condition requirement
• Destination country
• Existing product photos, if available

We can assist with product identification, compatibility checking, stock confirmation, quotation, product photos, combined SMT spare-parts sourcing, and international delivery arrangements.

Send 40076877 and VSWM-H10-F-6-X00220 with your inquiry for fast matching and quotation.