A005 Main Shaft Axis Cushion for GK9 Portable Bag Closer

A005 Main Shaft Axis Cushion for GK9 Portable Bag Closer

The A005 Main Shaft Axis Cushion is a precision replacement cushioning washer designed for the main drive shaft assembly of GK9 portable bag closer machines. This internal component helps absorb vibration, reduce shaft movement, and protect critical transmission parts during continuous bag stitching operations.

Installed on the machine’s primary rotating shaft, the cushion minimizes axial play and dampens high-speed mechanical shocks. It helps maintain proper alignment of gears, cams, and bearings, contributing to smoother machine performance and more consistent stitch formation.

This replacement part is engineered for standard GK9 portable bag closer machines and compatible handheld bag stitching machines with matching internal shaft configurations.

Please cross-check your machine’s parts diagram and existing component before purchasing to ensure compatibility.

Key Features

• Precision replacement Main Shaft Axis Cushion
• Designed for the primary main axis assembly
• Helps reduce shaft vibration during operation
• Minimizes unwanted axial movement (shaft play)
• Supports accurate gear and cam alignment
• High-density industrial composite construction
• Resistant to machine oil, grease, and friction heat
• Precision-machined for OEM-style fit
• Suitable for preventive maintenance and machine rebuilding
• Easy replacement during transmission servicing

Why Replace the Main Axis Cushion?

The main shaft rotates continuously while operating a portable bag closer. Over time, the original cushion may compress, harden, or wear out, allowing unwanted movement inside the transmission.

Replacing the A005 Main Shaft Axis Cushion helps:

• Reduce excessive machine vibration
• Improve internal shaft stability
• Maintain smoother mechanical operation
• Protect aluminum housing from repeated impact stress
• Reduce wear on gears, cams, and bearings
• Support reliable bag stitching performance

Replacing worn cushioning components during maintenance can extend the service life of the machine.

Machine Compatibility

The A005 Main Shaft Axis Cushion is designed for portable handheld bag closer machines using the GK9 mechanical platform.

Compatible with:

• GK9-2
• GK9-8
• GK9-18
• GK9-18A
• GK9-200
• GK9-500

Also compatible with many matching handheld bag closer machines from:

• Newlong equivalent handheld styles
• Revo
• Gemsy
• Zoje
• Other standard China-made portable bag stitching machines using compatible internal assemblies

Note: Please compare your existing part and machine layout before ordering.

Packaging Materials Commonly Sewn

Although this is an internal mechanical component, it supports reliable stitching performance on machines commonly used for sealing:

• Woven polypropylene (PP) sacks
• Jute bags
• Burlap bags
• Canvas bags
• Multi-wall paper bags
• Agricultural sacks
• Fertilizer bags
• Feed bags
• Rice bags
• Grain bags

What You Receive

• 1 × A005 Main Shaft Axis Cushion

Installation Guide

1. Disconnect the machine from the power supply.
2. Open the transmission housing.
3. Locate the main shaft assembly.
4. Remove the worn cushion carefully.
5. Install the new A005 Main Shaft Axis Cushion in the correct position.
6. Verify shaft alignment before reassembling.
7. Reassemble the housing and test machine operation.

Professional installation is recommended during major servicing or transmission rebuilding.

Frequently Asked Questions

What does the A005 Main Shaft Axis Cushion do?

It absorbs vibration and limits unwanted movement of the main rotating shaft, helping keep internal transmission components properly aligned.

Is this an external replacement part?

No. It is an internal mechanical cushioning component installed inside the machine’s drive assembly.

Can a worn cushion affect stitching?

Yes. Excessive shaft movement can contribute to improper gear alignment, increased vibration, and inconsistent machine performance.

Is this compatible with all GK9 bag closer machines?

It is designed for standard GK9 mechanical-platform machines including GK9-2, GK9-8, GK9-18, GK9-18A, GK9-200, and GK9-500. Always compare your existing part before ordering.

Is this resistant to machine oil?

Yes. It is manufactured from a high-density industrial composite designed to withstand normal exposure to machine oil, grease, and operating friction.

Machine Compatibility Table

Best Application

This component supports machines used for stitching:

• Woven PP sacks
• Jute bags
• Burlap bags
• Canvas bags
• Multi-wall paper bags
• Agricultural packaging
• Industrial packaging
• Food grain bags
• Feed bags
• Fertilizer sacks