Trustworthy Oil circuit seat – Precision CNC lathe machining and manufacturing

Core Advantages and Technical Features of CNC-Machined Hydraulic Manifolds

I. Superior Control of Geometric Accuracy and Hydraulic Circuit Characteristics

The most significant advantage of CNC-machined hydraulic manifolds lies in their exceptional geometric accuracy and hydraulic circuit characteristics. Using high-precision CNC machining centers, the overall dimensional tolerance of the hydraulic manifold is stably controlled within the IT6-IT7 grade, ±0.01-0.015mm. The positional accuracy of each hydraulic hole is ±0.01mm, the intersection between holes is ≤0.05mm, and the surface roughness reaches Ra0.8-1.6μm.

Precise control of the hydraulic hole system is particularly crucial. Through precision drilling and reaming, the diameter tolerance of the hydraulic holes can be controlled within the H7-H8 grade, the hole wall roughness is Ra0.8μm, and the chamfer at the hole opening is uniform and consistent.

Trustworthy Oil circuit seat – Precision CNC lathe machining and manufacturing

II. Integrated Machining of Complex Hydraulic Circuits and Functional Features

CNC machining technology has transformed hydraulic manifolds from simple connectors into multifunctional integrated hydraulic components.

Precision machining of threaded oil ports. Multiple threaded ports are machined on the oil manifold seat, with a thread accuracy of 6H/6g, a thread depth accuracy of ±0.2mm, and a thread perpendicularity to the sealing end face of ≤0.05mm.

Integrated design of the throttling orifice and damper. Precision throttling orifices are directly machined inside the oil passage, with a diameter of 0.5-2mm and an orifice accuracy of ±0.01mm, achieving precise flow control.

III. Precision Implementation of Sealing Structure and Leak-Proof Design

Precision machining of multiple sealing grooves. Sealing ring grooves, combined gasket grooves, etc., are machined on each connecting surface of the oil manifold seat, with a groove width accuracy of ±0.02mm, a groove depth accuracy of ±0.02mm, and a groove bottom roughness Ra1.6μm.

Precision control of planar seals. The flatness of the oil manifold seat mounting surface is controlled within 0.005mm/100mm, with a surface roughness Ra0.8μm, achieving a metal-to-metal seal with the valve body.

Integration of anti-loosening and positioning structures. Positioning pin holes and anti-loosening wire holes are machined on the oil manifold seat, with a positioning accuracy of ±0.02mm. For oil manifold seats used in vibration conditions, the positioning and anti-loosening structures ensure reliable connection and prevent loosening during long-term operation.

IV. Full Utilization of Material Properties

High-strength aluminum alloys such as 7075-T6 exhibit excellent performance in the manufacture of oil manifold seats. By optimizing cutting parameters, precise dimensions are achieved while maintaining material strength, with tensile strength reaching over 570MPa.

The corrosion resistance of stainless steel is fully utilized. 316L stainless steel oil manifold seats are suitable for corrosive media; after precision machining, the passivation film is intact, exhibiting excellent resistance to pitting corrosion.

V. Synergistic Optimization of Heat Treatment and Surface Treatment

Artificial aging or vibration aging treatment is performed after rough machining to eliminate machining stress and ensure no deformation during long-term use. The dimensional change rate of the precision oil manifold seat after stress relief is ≤0.01%.

Selective application of surface treatments. Anodizing, zinc plating, nickel plating, and other surface treatments are selected based on the characteristics of the medium.

Internal hole surface strengthening technology. The inner bore of hydraulic circuits can be strengthened through processes such as rolling and honing, increasing surface hardness and reducing roughness. For high-pressure hydraulic circuit seats, strengthening the inner bore increases pressure resistance by 30%.

CNC machining technology is completely redefining the manufacturing standards and application value of hydraulic circuit seats. From engineering machinery to aerospace, from industrial automation to marine equipment, CNC-machined hydraulic circuit seats, with their superior hydraulic circuit precision, complex structural integration, and reliable sealing performance, have become an indispensable core component in modern hydraulic systems.

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?