FUJIA5202A H24 H24G H24S working head plug rubber ring
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Product Introduction – FUJI A5202A H24/H24G/H24S Working Head Plug Rubber Ring
Part Number: A5202A
Product Name: Plug Rubber Ring
Category: Seal / Gasket Component
Applicable Models: FUJI NXT H24, H24G, H24S Working Heads
Product Overview
The FUJI A5202A Plug Rubber Ring is a sealing component used inside the H24, H24G, and H24S working heads of FUJI NXT placement machines. Its primary function is to seal the interface around the plug connector or internal pneumatic path, preventing air leakage and ensuring stable vacuum or pressure performance during pick-and-place operations.
Key Features
High-Elasticity Material
Made from durable, flexible rubber (e.g., nitrile or silicone) to provide excellent air sealing and long service life.
Precision Fit for H24 Series Heads
Designed specifically for the structural layout and dimensions of the H24, H24G, and H24S head variants.
Critical for Vacuum Stability
Helps maintain airtight integrity within the working head, ensuring accurate suction nozzle control.
Easy to Replace
Compact and user-serviceable part, typically replaced during routine maintenance or when leakage is suspected.
Applications
Seals the plug or joint interface inside the working head's pneumatic circuit.
Prevents vacuum loss or air leakage during high-speed component pickup.
Maintains stable airflow for nozzle operation and Z-axis head pressure balance.
Related Components
| Part Number | Description |
| A5202A | Plug Rubber Ring (this part) |
| H24/H24G/H24S Head | Working head using this seal |
| Suction Nozzle Unit | Uses vacuum sealed by the ring |
| Vacuum Chamber / Plug Unit | Mates with the rubber ring |
| Rubber Ring Holder / Retainer | Optional, for sealing support |
Specifications (Typical)
Material: Heat- and wear-resistant rubber (e.g., NBR or silicone)
Color: Black or gray (may vary)
Operating Temp: –20°C to +80°C
Compatibility: Tailored for FUJI NXT H24-series working head assemblies
Ordering Notes
Confirm machine and head model (H24/H24G/H24S) before ordering.
Replace if deformed, hardened, or cracked, especially during air leakage troubleshooting.
Typically included in head rebuild kits or seal maintenance packs.
Related Accessories – FUJI A5202A Plug Rubber Ring
| Part Number | Description |
| A5202A | Plug Rubber Ring (this part) |
| H24/H24G/H24S Head | Working head using this seal |
| Suction Nozzle Unit | Uses vacuum sealed by the ring |
| Vacuum Chamber / Plug Unit | Mates with the rubber ring |
| Rubber Ring Holder / Retainer | Optional, for sealing support |
Notes:
The A5202A ring is a key sealing element, and its effectiveness relies on correct fitment with the plug and vacuum chamber.
During routine maintenance, it's often replaced together with nozzles, valves, and other sealing parts.
Always ensure compatibility with the specific head model variant (H24 / H24G / H24S).
Related Part Numbers – FUJI A5202A Plug Rubber Ring Assembly
| Part Number | Description | Notes |
| A5202A | Plug Rubber Ring (seal for H24 series heads) | Main sealing ring for plug interface |
| H65860 | H24 Working Head Assembly | Complete working head using the ring |
| H65900 | H24G Working Head Assembly | Variant with ring compatibility |
| AA1PK02 | Suction Nozzle Unit | Works with vacuum sealed by rubber ring |
| S4033G | Vacuum Sensor | Monitors vacuum pressure within head |
| V75510 | Plug Assembly / Pneumatic Joint | Interfaces directly with the rubber ring |
| R23015 | Rubber Ring Retainer | Holds and compresses the rubber ring |
| MK-H24-01 | H24 Head Maintenance Kit | Includes various seals, rings, and parts |
Notes:
Confirm your machine’s specific head model before ordering parts.
Some part numbers correspond to kits or assemblies that include the rubber ring plus related seals.
OEM parts ensure proper sealing and reliable vacuum performance.
FAQ Guide – FUJI A5202A H24/H24G/H24S Working Head Plug Rubber Ring
1. What is the FUJI A5202A plug rubber ring used for?
Answer:
The A5202A plug rubber ring serves as a sealing gasket inside the FUJI NXT H24, H24G, and H24S working heads. It seals the interface around the plug or pneumatic joint to prevent air or vacuum leakage, ensuring stable suction and head operation.
2. Which working head models use this rubber ring?
Answer:
Specifically designed for FUJI NXT H24, H24G, and H24S working heads.
Compatibility with other models should be verified before replacement.
3. What materials is the rubber ring made of?
Answer:
Made from high-quality rubber materials such as nitrile (NBR) or silicone, offering good elasticity, wear resistance, and airtight sealing properties.
4. When should the plug rubber ring be replaced?
Answer:
If there is air leakage or vacuum loss in the working head.
Visible signs of wear, cracking, hardening, or deformation.
During routine maintenance or rebuilds of the working head.
5. What problems can occur if the rubber ring fails?
Answer:
Loss of vacuum pressure causing poor suction by the nozzle.
Component pickup failures or placement errors.
Possible machine alarms related to head vacuum sensors.
6. Is the A5202A sold individually or as part of a kit?
Answer:
Typically sold individually as a replacement part.
Also included in H24 head maintenance or rebuild kits that contain multiple sealing components.
7. How to install the plug rubber ring properly?
Answer:
Clean the plug and surrounding surfaces before installation.
Ensure the ring is seated evenly without twists or folds.
Avoid overstretching the rubber during fitting.
Check for a tight fit to maintain airtight sealing.
8. Where can I purchase genuine FUJI A5202A rubber rings?
Answer:
Authorized FUJI SMT parts distributors and service centers.
Verify part number and compatibility with your working head model before purchase.
9. Can aftermarket rubber rings be used?
Answer:
OEM parts are recommended to guarantee proper sealing and material quality.
Aftermarket rings may not meet required specifications, risking vacuum leaks and machine performance issues.
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