Hebei Hankai 20 30 7 oil seal
The primary function of axle hub seals is to retain lubrication. Proper lubrication is essential for the smooth operation of moving parts, reducing friction and wear. Without effective sealing, the lubricant can leak out, leading to inadequate lubrication of the gears and bearings, which may cause premature wear and eventual failure of the components.
axle hub seal


hub oil seal. These seals must be able to withstand high temperatures, pressure, and friction, without deforming or losing their sealing capabilities. Most hub oil seals are made from synthetic rubber or elastomers that have excellent resistance to oil, heat, and wear. Additionally, they are often reinforced with metal or fabric components to provide additional strength and stability.
2. Remove the Boom Cylinder Start by detaching the boom cylinder from the excavator. This typically involves removing the pins and bolts that secure the cylinder to the boom and the attachment points. Use a hydraulic jack to support the cylinder as you loosen the connections.
excavator boom cylinder seal replacement

Furthermore, the double needles design allows for the incorporation of decorative elements in sewing. The ability to create intricate patterns with two thread lines simultaneously opens up avenues for creative expression in garment design. Designers can experiment with various thread colors and textures, producing visually appealing results that set their garments apart in a competitive market.
double needles chain stitch sewing machine

When it comes to sewing with a double needle, there are a few essential tips to keep in mind. First, it's crucial to use the right needle size and type. Typically, a 75/11 or 90/14 ballpoint double needle is recommended for sewing knits, as it helps prevent fabric damage. Additionally, you’ll need to select a thread that is suitable for the type of fabric you’re working with, which often means using a polyester or nylon thread for its strength and stretchability.
double needle stretch stitch
