FUJI H01 H02 working head negative pressure sensor S4033G SMT Machine Spare Parts

FUJIS4033G H01H02 working head negative pressure sensor

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FUJI S4033G – H01/H02 Working Head Negative Pressure Sensor

Overview

The FUJI S4033G is a high-precision negative pressure sensor designed for use in the H01 and H02 working heads of Fuji NXT series SMT placement machines. It plays a critical role in detecting and monitoring vacuum pressure (negative pressure) during component pickup and placement.

Key Features

Real-time vacuum pressure monitoring to ensure stable component pickup
High sensitivity and accuracy for detecting even minimal pressure changes
Supports automatic component pickup validation and fault detection
Seamlessly integrates with Fuji NXT system control for feedback-based adjustments
Enhances reliability by preventing placement errors due to suction loss

Application

Installed in the H01 / H02 working heads of Fuji NXT I, II, III, or IV machines
Monitors the vacuum line connected to the suction nozzle
Provides critical input to the controller to confirm component pickup
Detects blockages, leaks, or missing components during operation

Typical Specifications

Benefits

Prevents pickup failures by verifying suction performance in real-time
Improves placement accuracy and reliability
Reduces machine downtime caused by undetected vacuum issues
Enables intelligent alarms and automatic retries in Fuji software

Related Accessories – FUJI S4033G Negative Pressure Sensor

These components together form the vacuum detection and pickup assurance system used in the Fuji NXT H01/H02 heads. The S4033G sensor plays a central role in ensuring accurate component placement by verifying suction integrity.

Related Part Numbers – FUJI S4033G Negative Pressure Sensor

Note: Some parts may vary slightly depending on the machine generation (NXT I/II/III/IV) and working head type (H01 vs H02).

FAQ Guide – FUJI S4033G H01/H02 Working Head Negative Pressure Sensor

1. What is the FUJI S4033G H01/H02 Negative Pressure Sensor?

The FUJI S4033G is a high-precision negative pressure sensor used in the H01 and H02 working heads of FUJI NXT SMT machines. It detects vacuum conditions to ensure proper suction during the pick-and-place process.

2. What is the function of this sensor in SMT production?

The sensor monitors the vacuum (negative pressure) in the working head to:

Verify successful component pickup.
Detect nozzle clogging or suction failures.
Ensure stable and accurate placement operations.

3. Which FUJI machine models support the S4033G sensor?

The S4033G sensor is compatible with:

FUJI NXT II
FUJI NXT III
Any model using H01 or H02 working heads

4. How do I know if the sensor is malfunctioning?

Common signs include:

Frequent pickup errors
False component presence detection
Alarm messages in the machine's UI
Inconsistent vacuum readings

5. Can I clean or repair the sensor?

Cleaning: Use dry air to remove dust, but avoid liquids or solvents.
Repair: This sensor is a sealed precision device. If damaged, replacement is recommended over repair.

6. What is the part number for ordering replacement?

Part Number: S4033G

Also check for possible aliases or OEM/aftermarket equivalents depending on your supplier.

7. Is calibration required after replacement?

In most FUJI systems, the sensor auto-calibrates. However, you should:

Verify vacuum detection through the maintenance software.
Run a pickup verification test after installation.

8. What is the typical lifespan of this sensor?

While it varies by usage and environment, typical lifespan is:

1–2 years under normal production conditions.

Frequent nozzle changes or harsh environments may reduce lifespan.

9. What are the operating specifications?

Typical specs (may vary slightly by version):

Vacuum range: –100 to 0 kPa
Output type: Analog or digital signal
Power supply: Supplied via working head electronics

10. Are there any compatible alternatives?

While FUJI recommends genuine parts, some third-party manufacturers produce compatible sensors. Check carefully for:

Matching specifications
Signal compatibility
Warranty coverage

11. How is this sensor installed?

Mounted directly within the H01/H02 working head.
Connector interfaces with the head's internal electronics.
Refer to FUJI’s service manual for detailed steps.

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CNSMT  was established in June 2005

with a registered capital of 6 million yuan and more than 60 employees.

The company's core personnel of the professional R&D team have 15 years of automated R&D and manufacturing experience.
CNSMT mainly develops and sells SMT pick and place machines, printing presses, reflow welding, wave solder machine, loader and unloader, conveyor, AOI, SPI, and peripheral auxiliary equipment.

The company has developed and mass-produced refow oven and wave welding machine at the end of 2010. The machine is the first in the country.

The sales volume of products reached more than 200 units in half a year.
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