Panasonic N4520403-147 KHA200 Carbon Vane for NPM Vacuum Pump

The Panasonic N4520403-147 KHA200 Carbon Vane for NPM Vacuum Pump is an internal vacuum pump maintenance component developed for compatible NPM SMT placement equipment. The carbon vane works inside the rotary vacuum pump, where it continuously slides within the rotor and pump chamber to create separated air spaces and maintain the pressure difference required for vacuum generation.

Because the vane operates continuously during machine production, gradual wear is normal. Excessive wear, cracking, shortened vane length, accumulated carbon dust, or damaged sliding surfaces can reduce vacuum efficiency and affect overall machine reliability.

Replacing worn carbon vanes with the correct specification helps restore stable pump operation, improve vacuum consistency, and support preventive maintenance programs in high-volume electronics manufacturing environments. This product is suitable for SMT factories, equipment service companies, maintenance departments, and spare-parts distributors requiring reliable KHA200 vacuum pump replacement components.

Key Product Information

Cause

Why Does a Vacuum Pump Carbon Vane Need Replacement?

Carbon vanes are designed as working and wear components inside rotary vacuum pumps. During operation, the pump rotor rotates at high speed while the carbon vanes slide repeatedly against internal pump surfaces.

Over time, several conditions can cause performance deterioration.

Continuous Operating Wear

SMT machines often operate for extended production shifts. Continuous vacuum pump operation gradually reduces vane dimensions and sealing efficiency.

Carbon Dust Accumulation

Normal vane wear produces fine carbon particles. If maintenance is delayed, excessive dust may accumulate inside the pump and affect smooth internal movement.

Contaminated Air

Dust, oil mist, flux residue, moisture, or other contaminants entering the vacuum system can accelerate wear of both the vane and pump chamber.

High Operating Temperature

Abnormally high pump temperature may increase mechanical stress and reduce the service life of internal carbon components.

Damaged Bearings or Rotor

A worn bearing, damaged rotor, or excessive internal clearance can cause uneven vane movement and abnormal wear.

Incorrect Replacement Parts

Using a carbon blade with the wrong thickness, length, width, or material can result in poor sealing, excessive friction, abnormal noise, or pump damage.

Common Signs of Carbon Vane Wear

A weak vacuum condition should not automatically be attributed only to the carbon vane. Filters, tubing, seals, bearings, valves, sensors, and other vacuum-system components should also be checked during troubleshooting.

Solution

Replace Worn KHA200 Carbon Vanes with the Correct Specification

When inspection confirms that the carbon vanes are excessively worn, replacement can help restore normal pump chamber sealing and improve vacuum generation.

For the N4520403-147 KHA200 carbon vane, buyers and technicians should confirm the pump model and physical dimensions before installation.

A recommended maintenance process includes:

1. Confirm the vacuum pump identification.
2. Verify part number N4520403-147.
3. Measure the existing carbon vane.
4. Inspect the complete vane set.
5. Clean accumulated carbon dust.
6. Inspect rotor and chamber surfaces.
7. Check bearings and seals.
8. Replace damaged or excessively worn vanes.
9. Reassemble the pump correctly.
10. Test vacuum performance before production.

Replacing the carbon vane as part of a preventive-maintenance plan can help avoid unexpected pump failure and reduce SMT production interruptions.

Specifications

Technical Specifications

Note: Vacuum pump configurations can vary according to equipment version and maintenance history. Confirm the installed pump model, old vane dimensions, and part number before ordering.

Product Function

The carbon vane plays an important role in maintaining the pressure differential inside the vacuum pump.

Its main functions include:

• Dividing the internal pump chamber.
• Maintaining controlled sliding contact.
• Creating changing chamber volumes.
• Supporting air intake and compression.
• Maintaining internal vacuum sealing.
• Supporting stable pump displacement.
• Providing a replaceable wear surface.

Although the carbon vane is a small component, incorrect vane dimensions or excessive wear can significantly reduce overall pump efficiency.

Application

The N4520403-147 KHA200 Carbon Vane is mainly used for maintenance of compatible vacuum pump systems installed in NPM SMT placement equipment.

Typical Application Areas

SMT Pick and Place Production

Suitable for electronics manufacturing environments where stable vacuum performance is necessary for reliable machine operation.

Preventive Maintenance

Maintenance departments can stock carbon vanes as routine replacement parts for scheduled vacuum pump servicing.

Vacuum Pump Repair

Suitable for technicians rebuilding compatible pumps with worn, cracked, shortened, or damaged carbon vanes.

SMT Equipment Service Companies

Useful for service providers maintaining placement machines for electronics manufacturing customers.

SMT Spare Parts Distribution

Suitable for distributors supplying vacuum pump components to EMS factories, PCB assembly plants, and machine repair companies.

Typical Industries

How It Works

Working Principle of the Carbon Vane

The carbon vane operates inside a rotary vacuum pump.

As the pump rotor rotates, the vanes move inside slots within the rotor. The outer edges of the vanes remain in controlled contact with the internal pump chamber.

The rotating vane system creates individual spaces with changing internal volumes.

Stage 1: Air Intake

As one chamber increases in volume, internal pressure decreases and air is drawn into the pump.

Stage 2: Chamber Sealing

The carbon vane separates adjacent chambers and helps maintain the pressure difference between the intake and discharge areas.

Stage 3: Compression

As the rotor continues rotating, the chamber volume decreases and trapped air is compressed.

Stage 4: Exhaust

Compressed air exits through the discharge area.

This cycle repeats continuously during pump operation.

Why Carbon Graphite Is Suitable

Carbon and graphite materials are widely used for vacuum pump vanes because of their sliding characteristics.

Key advantages include:

Maintenance Recommendations

Regular vacuum pump inspection can help identify vane wear before production performance is seriously affected.

Check Vacuum Performance

Monitor whether the pump reaches the required operating vacuum within the expected time.

Check Pump Noise

Changes in sound may indicate uneven vane wear, bearing problems, or internal pump damage.

Inspect Carbon Dust

Excessive carbon dust can indicate that the vanes require inspection or replacement.

Inspect All Vanes

Do not only inspect one damaged vane. All vanes normally operate under similar conditions and should be evaluated together.

Inspect Rotor Slots

Carbon vanes must move freely within their rotor slots. Contamination or damage can restrict vane movement.

Inspect the Chamber

Deep scratches or excessive wear inside the chamber may reduce pump performance even after new vanes are installed.

How To Choose

How to Select the Correct Carbon Vane

Carbon vanes from different vacuum pumps can look very similar. Selection should therefore be based on technical identification rather than appearance alone.

1. Confirm the Part Number

The required reference for this product is:

N4520403-147

2. Confirm the Vacuum Pump

Verify whether the installed pump corresponds to the KHA200 or compatible KHA200(A) configuration.

3. Measure the Existing Vane

Reference dimensions are approximately:

48 × 30 × 3.5 mm

4. Check the Machine Application

Confirm that the pump is installed in the intended NPM SMT equipment configuration.

5. Compare the Existing Part

Check:

• Length.
• Width.
• Thickness.
• Edge shape.
• Surface profile.
• Rotor slot dimensions.
• Quantity of vanes.

6. Provide Photos for Confirmation

When compatibility is uncertain, send photos of:

• Pump nameplate.
• Existing carbon vane.
• Vane measurements.
• Machine model label.

This reduces the risk of incorrect spare-part selection.

Selection Checklist

Benefits for SMT Maintenance Teams

Choosing the correct carbon vane provides several practical benefits:

• Helps restore vacuum pump efficiency.
• Supports stable machine vacuum performance.
• Reduces unexpected production interruptions.
• Makes preventive maintenance easier to plan.
• Helps extend overall vacuum pump service life.
• Allows quick replacement of a common wear component.
• Simplifies maintenance spare-parts inventory.
• Supports fast repair during production emergencies.

Buyer Information

For faster quotation and compatibility checking, buyers should provide:

Providing complete information helps reduce communication time and improves quotation accuracy.

FAQ

Q1. What is N4520403-147 used for?

N4520403-147 is a carbon vane used inside a compatible KHA200 vacuum pump for NPM SMT equipment. It supports chamber sealing and vacuum generation during continuous pump operation.

Q2. Is this product a motor carbon brush?

No. N4520403-147 is a vacuum pump carbon vane, not an electrical motor brush. Its primary purpose is mechanical chamber sealing and vacuum generation rather than electrical current transfer.

Q3. What dimensions should be checked before ordering?

The commonly referenced dimensions are approximately 48 × 30 × 3.5 mm. Buyers should compare the existing vane dimensions and pump model before confirming an order.

Q4. When should carbon vanes be replaced?

Replacement should be considered when technicians observe significant wear, cracking, reduced vacuum, excessive carbon dust, abnormal pump noise, shortened vane length, or unstable pump performance.

Q5. Can similar carbon vanes be used interchangeably?

Not automatically. Similar-looking vanes may have different dimensions, material grades, rotor compatibility, or pump applications. Always verify the part number, pump model, dimensions, and existing sample before replacement.

Part 3. Contact Us

Contact Us

Need N4520403-147 KHA200 Carbon Vanes for your NPM vacuum pump maintenance project?

Send us your part number, vacuum pump model, machine model, required quantity, and existing part photos for fast specification confirmation.

We support SMT factories, EMS manufacturers, machine maintenance companies, repair centers, and spare-parts distributors with replacement parts for production-line maintenance.

For uncertain applications, please provide a clear photo of the vacuum pump nameplate and existing carbon vane dimensions. This helps us check compatibility before shipment and reduce the risk of ordering an incorrect component.

Contact us for current price, stock status, lead time, packing information, quantity requirements, and technical confirmation.