| Brand Name: | YAMAHA |
| Model Number: | KHY-M9129-00 |
| MOQ: | 1 Piece |
| Price: | Negotiable |
| Delivery Time: | 3–7 Working Days |
| Payment Terms: | T/T |
YAMAHA KHY-M9129-00 Rail Conveyor Belt for YS12 YS24 YSM10 YSM20
The YAMAHA KHY-M9129-00 Rail Conveyor Belt is a replacement conveyor component designed for the PCB transport mechanism of compatible YS12, YS24, YSM10, and YSM20 SMT pick-and-place machines. Installed in the machine conveyor rail section, the belt supports smooth and controlled movement of printed circuit boards through the production process.
During high-volume SMT manufacturing, conveyor belts operate continuously and are exposed to repeated friction, mechanical tension, dust, and production residues. Belt wear can gradually affect transport stability, PCB positioning, and production consistency. Replacing a worn conveyor belt helps maintain reliable PCB movement and minimizes unexpected machine stoppages.
KHY-M9129-00 is suitable for SMT factories, maintenance departments, machine repair companies, and spare-parts distributors requiring a practical replacement solution for conveyor maintenance. Before ordering, customers are encouraged to confirm the part number, machine model, belt dimensions, and installation position.
The rail conveyor belt is a frequently operating mechanical component within an SMT machine. Continuous production gradually changes the surface and mechanical properties of the belt.
Common reasons for replacement include:
| Common Problem | Possible Cause | Production Impact |
|---|---|---|
| Belt surface wear | Long operating hours | Reduced PCB transport stability |
| Belt stretching | Continuous mechanical tension | Irregular board movement |
| Surface contamination | Flux, dust, oil, or debris | Reduced traction |
| Belt cracking | Aging or environmental exposure | Risk of sudden belt failure |
| Uneven movement | Belt wear or incorrect tension | PCB positioning instability |
| Conveyor slipping | Reduced belt friction | Delayed board transfer |
A conveyor problem may appear minor at first, but unstable PCB movement can influence the overall efficiency of the SMT production line.
Replacing the worn rail conveyor belt with the correct KHY-M9129-00 compatible belt can help restore reliable PCB transportation.
The replacement belt is intended to provide:
For best results, the conveyor mechanism should also be checked for rail alignment, pulley condition, belt tension, contamination, and mechanical wear during installation.
| Specification | Details |
|---|---|
| Brand Reference | YAMAHA |
| Part Number | KHY-M9129-00 |
| Product Type | Rail Conveyor Belt |
| Component Category | SMT Conveyor Belt |
| Main Function | PCB Transportation |
| Compatible Series | YS / YSM Series |
| Applicable Models | YS12, YS24, YSM10, YSM20 |
| Installation Area | Conveyor Rail System |
| Condition | New Replacement Part |
| Application | SMT Pick-and-Place Machine |
| Usage | Maintenance and Belt Replacement |
| Order Requirement | Confirm part number and machine configuration |
Machine configurations may differ by production year and specification. Verification of the original part number before purchase is recommended.
The KHY-M9129-00 conveyor belt is mainly used in the PCB transportation section of compatible SMT placement equipment.
| Machine Model | Application |
|---|---|
| YS12 | PCB conveyor rail transport |
| YS24 | PCB transfer and positioning |
| YSM10 | SMT machine conveyor system |
| YSM20 | PCB transport rail mechanism |
This conveyor belt can be used in:
For production lines running multiple shifts, maintaining replacement conveyor belts in spare-parts inventory can help shorten maintenance response time.
The conveyor belt operates as part of the SMT machine PCB transport system.
When a PCB enters the machine, the conveyor drive mechanism transfers rotational movement to the conveyor belt. The belt moves along the rail system and generates controlled friction against the edge or supporting surface of the PCB.
This movement transports the board toward the required placement position.
The basic process is:
| Step | Conveyor Operation |
|---|---|
| 1 | PCB enters the machine conveyor |
| 2 | Conveyor motor activates the transport mechanism |
| 3 | Rail belt begins moving |
| 4 | Belt carries the PCB forward |
| 5 | Sensors detect board position |
| 6 | PCB reaches the placement area |
| 7 | Board is positioned for SMT processing |
| 8 | Conveyor transfers completed PCB to the next process |
Stable belt movement is important because the PCB must arrive at the correct position before component placement begins.
A worn or slipping belt may cause irregular board transfer. Therefore, belt condition should be included in routine machine maintenance.
Regular inspection and timely replacement of conveyor belts can help prevent unexpected transport faults.
| Maintenance Benefit | Result |
|---|---|
| Stable belt friction | More consistent PCB movement |
| Correct belt tension | Reduced slipping |
| Clean conveyor surface | Reliable transport performance |
| Proper rail alignment | Lower abnormal belt wear |
| Preventive replacement | Reduced emergency downtime |
| Correct part selection | Easier installation and maintenance |
Maintenance teams should avoid operating heavily damaged, cracked, or severely stretched conveyor belts for extended periods.
Correct part identification is important when purchasing conveyor belts because similar SMT machines may use different belt sizes or specifications.
Confirm that the original belt or machine parts documentation shows:
KHY-M9129-00
Part-number verification is generally more reliable than selecting only by machine model.
Check whether the equipment is:
Machine configuration should be confirmed before ordering.
If the original part number cannot be identified clearly, provide:
Photos of the original belt, machine position, label, and conveyor rail can help reduce selection errors.
For machines used continuously, purchasing additional spare belts can simplify future preventive maintenance.
PCB transport is a basic but critical process in SMT production. Even when placement heads, feeders, cameras, and nozzles are operating correctly, unstable board transportation can still reduce production efficiency.
An aged conveyor belt may result in:
For this reason, conveyor belts should be treated as routine wear components rather than waiting for complete failure before replacement.
Before installing a new KHY-M9129-00 belt, maintenance personnel should inspect the complete conveyor area.
| Inspection Item | Recommended Check |
|---|---|
| Conveyor Belt | Wear, cracks, stretching |
| Pulley | Damage or contamination |
| Guide Rail | Alignment and cleanliness |
| Belt Tension | Too loose or too tight |
| Drive Mechanism | Smooth rotation |
| Sensors | Stable PCB detection |
| PCB Track | Obstructions or debris |
Correct installation helps extend belt service life and supports more stable machine operation.
To receive a more accurate quotation, customers can provide:
For urgent maintenance requirements, providing clear machine and part information can significantly improve identification efficiency.
KHY-M9129-00 is a rail conveyor belt used in the PCB transportation mechanism of compatible SMT pick-and-place machines. It helps move printed circuit boards smoothly through the machine conveyor rail system.
It is commonly associated with compatible YS12, YS24, YSM10, and YSM20 machine configurations. Because specifications may vary, the existing part number and installation dimensions should be checked before ordering.
Replacement is recommended when the belt shows cracking, stretching, excessive surface wear, slipping, reduced traction, unstable PCB movement, or other signs that may affect normal conveyor operation.
Provide the machine model, original part number, belt dimensions, and photos of the existing conveyor belt and installation position. These details help confirm compatibility before shipment.
Yes. Conveyor belts are normal wear components in SMT equipment. Keeping spare belts available is useful for preventive maintenance and can reduce production interruption when an existing belt reaches the end of its service life.
Looking for KHY-M9129-00 rail conveyor belts for YS12, YS24, YSM10, or YSM20 machines?
Send us your part number, machine model, required quantity, and original part photo. We can help confirm the appropriate conveyor belt specification and prepare a quotation for your SMT maintenance requirements.