Precision metal shaft Trustworthy CNC machining customization precision machinery parts

We are a manufacturer integrating industry and trade. We have more than 20 years of experience in production technology. We are located in Dongguan City, Guangdong Province, China.

I. What are the advantages of CNC machining of custom metal shafts?

Using high-precision CNC lathes and grinding centers, the journal diameter tolerance can be stably controlled within the IT5-IT6 grade (±0.005-0.01mm), with roundness error ≤0.003mm, cylindricity error ≤0.005mm, and straightness ≤0.005mm/100mm.

Precision metal shaft Trustworthy CNC machining customization precision machinery parts

II.The differentiated precision design of multi-segment journals offers exceptional flexibility.

Different tolerance grades and surface requirements can be set according to the functional needs of each shaft segment. Critical bearing positions utilize IT5 precision, while non-mating surfaces use IT9 precision, ensuring performance while controlling costs.

Precise realization of special geometric features.Based on installation space and functional requirements, features such as flat sections, keyways, threads, tapers, and eccentricities can be customized, with a positional accuracy of ±0.01mm. Custom shafts for industrial robot joints have precisely controlled eccentricity at both ends (0.2mm), achieving accurate fitting of joint motion trajectories.

III. On-Demand Selection and Full Utilization of Material Properties

1. Flexible Selection of Metallic Materials Based on Operating Conditions.

For high strength requirements, choose alloy steels such as 40Cr and 42CrMo; for corrosion resistance, choose stainless steels such as 316L and 17-4PH; for lightweight requirements, choose aluminum alloy 7075-T6; for wear resistance, choose bearing steel GCr15.

2. Targeted Customization of Heat Treatment Processes.

Customize heat treatment processes based on strength, toughness, and wear resistance requirements to fully utilize material properties.

3. Personalized Selection of Surface Treatment Solutions.

Customize surface treatments based on the operating environment to improve corrosion resistance or aesthetics.

IV. Integrated Processing of Complex Structures and Functional Features

1. The ability to customize multiple features is particularly outstanding.

Integrate the functions of multiple parts onto a single customized shaft, reducing assembly steps. Customized shafts for industrial pumps integrate bearing positions, mechanical seal positions, impeller mounting positions, and coupling connection positions, all machined in a single step, eliminating accumulated assembly errors.

2. Precise Realization of Irregular Structures.

Custom-machined irregular shafts, such as those with non-circular cross-sections and curved axes, are available to meet space constraints or special functional requirements. Custom-made eccentric shafts for precision optical instruments achieve micron-level adjustment with an eccentricity of 0.05mm ± 0.002mm.

3. Integration of Internal Cooling or Lubrication Channels.

Utilizing deep-hole drilling technology, cooling oil holes with diameters of 2-8mm and depths exceeding 600mm are machined inside slender shafts, with skewness controlled within 0.05mm/100mm. Custom-made shafts for high-speed spindles incorporate built-in cooling channels, reducing bearing operating temperature by 25℃ and extending lifespan.

V. Optimized Design of Lightweight Design and Rotor Dynamics

1. Precise Realization of Weight Reduction through Topology Optimization.

Based on force analysis, weight is reduced in non-critical areas, lowering rotational inertia. Custom-made shafts for UAV motors achieve a 40% weight reduction and improved response speed through optimized design.

2. Controllable Balance Accuracy.

Custom designs incorporate balance correction margins and reserve space for weight reduction or addition, achieving a dynamic balance grade of G1.0. Custom-designed spindles for precision grinding machines have an imbalance of less than 0.1 g·mm/kg, improving surface finish.

Full aterial traceability. Each batch of materials has a material certificate, and the processing history is fully documented.

CNC machining technology is redefining the manufacturing standards and application value of custom metal spindles. With its precise geometric control, flexible material selection, and rapid response capabilities, CNC-machined custom metal spindles have become indispensable key transmission components in high-end equipment.

Company Profile

    We are a manufacturer integrating industry and trade. We have more than 20 years of experience in production technology. We are located in Dongguan City, Guangdong Province, China. We have advanced high-end professional production and processing technology, and are committed to innovative R&D and production. After years of  market tempering and exploration, it has high-quality   technical management personnel, experienced designers, R&D personnel and a   perfect company management system cnc precision.

5-axis CNC workshop

         Our factory has a plant area of about 2,000 square meters and masters core processing technologies. It has high-end precision production equipment cnc precision: CNC lathes, 5-axis CNC, 4-axis CNC, stamping equipment, die-casting equipment, etc. 2.5-dimensional detection equipment ​

two-dimensional testing

cnc precision surface treatment

          For surface treatment, our suppliers have been working with us for many years. They have rich experience and are familiar with all the quality requirements of each other. The quality is stable and more guaranteed. Such as: heat treatment, spray painting, powder coating, blackening, silver/gold plating, electrolytic polishing, nitriding, phosphating, nickel/zinc/chromium/TiCN plating, anodizing, polishing, passivation, sandblasting, galvanizing, heat treatment , hardening, laser marking, etc. according to customer requirements. Aluminum alloy surface oxidation

Product Packaging

Packaging Details

1. Commercial packaging: 1pc/plastic bag + color box +carton + pallet;
2. Industrial packaging: (1). plastic tube + carton + pallet; (2). plastic bag + kraft paper + carton + pallet;
3. According to the requirement of customer.

FAQ

Q1: Where can I get product & price information?

A1: Send us an inquiry e-mail, we will contact you once we received your mail.

Q2: How long will I get the sample?

A2: Depends on your specific items, within 3-7 days generally.

Q3: What kinds of information do you need for a quote?

A3: Kindly please provide the product drawings in PDF, if provide in STEP or IGS will be better.

Q4: What are the payment terms?

A4: We accept 50% as a payment deposit, when the goods are prepared, we shoot photos or videos for your check, and then you can pay the balance. For small quantities, we accept Paypal, the commission will be added to the order. For big amounts, T/T is preferred.

Q5: How to deliver the goods?

A5: We deliver the products by courier company.

Q6: Are you a trading company or factory?

A6: We are factory direct with 17 experienced engineers and more than 50 employees as well approximate 3,000m2 workshop area.

Q7: What shall we do if we don’t have drawings?

A7: Please send your sample to our factory, then we can copy and provide you better solutions. If send us pictures or drafts with dimensions(Length, Height, Width), CAD or 3D file will be made for you.

Q8: Can we get some samples before mass production?

A8: Absolutely yes.

Q9: Will my drawings be safe after sending them to you?