The 3D Printer Linear Shaft is a high-precision core transmission component designed specifically for 3D printing equipment. It is made of high-quality bearing steel or stainless steel material, and the surface is treated with hard chrome plating and mirror polishing technology. The coating thickness reaches 10-30 μ m, and the hardness is as high as HRC58-62, with low friction, wear resistance, and corrosion resistance characteristics. Its outer diameter tolerance is strictly controlled within ± 0.003mm, suitable for mainstream (such as LM8UU, LM6UU, etc.), ensuring smooth and vibration free linear motion of the print head or platform, significantly improving printing accuracy and interlayer adhesion effect.
Details
Core advantages
1.High precision and compatibility: outer diameter tolerance ± 0.03mm, straightness error ≤ 0.05mm/1000mm, perfectly matched with LM series linear bearings (such as LM8UU, LM10UU), friction coefficient as low as 0.001, reducing print head movement resistance and avoiding layering and misalignment.
2.Lightweight design: Hollow design reduces weight by 40%, suitable for high-speed printing scenarios, reduces device inertia impact, and improves printing efficiency.Long term durability: The hard chromium coating combined with multi-layer sealing structure has a surface roughness Ra ≤ 0.2 μ m, which increases wear resistance by three times and is suitable for long-term continuous printing conditions.
3.Full scene adaptation: supports multiple types of optical axis, chrome plated axis, stainless steel axis, to meet the needs of different 3D printing technologies such as FDM, SLA, DLP, etc.
Support customized tolerance levels (G6/H7), coating thickness (10-50 μ m), and end processing (threading, drilling) to meet personalized assembly machine needs.
Product Specification Parameters
Customizable tolerance levels (G6/H7), coating thicknesses (10-50μm), and end treatments (threading, drilling) are available to meet the personalized needs of assembly machines.
After sales and dispatch
We use advanced equipment and strict management to provide customers with cost-effective transmission components. We have full confidence in our quality and provide customers with a one-year warranty service. Regarding shipping, most products are in stock and can be shipped within a week via express delivery, air freight, or sea freight. Large scale shipments need to be negotiated based on the order quantity. If you have any questions, please feel free to consult us. We are available 24 hours a day.
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FAQ
Q: What will be the symptoms if the linear axis breaks down?
A: When printing, there may be shaking of the nozzle/platform, crooked trajectories, such as uneven edges of the model, misalignment between layers, or even a "creaking" friction noise. All these could indicate a problem with the linear axis.
Q: Does the linear shaft need maintenance on a regular basis?
A: Yes! If not maintained for a long time, it will accumulate dust and rust, causing the movement to become sluggish. Simple maintenance method: Wipe off the surface dust with a dry cloth, add a few drops of special lubricating oil (do not use edible oil as it is easy to accumulate dust), and then manually move the shaft back and forth a few times to evenly distribute the oil.
Q: How often should the linear axis be replaced?
A: Depending on the usage frequency, a home printer can generally be used for 2 to 3 years without any problem. If you print at high load every day and find that the precision has declined and the wear is severe, it's time to replace it. There is no fixed time.
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