Product Description
These CNC precision stainless steel turned parts are finely processed by a CNC lathe, with a dimensional tolerance of ±0.01mm. It has a smooth surface without burrs, is corrosion-resistant and wear-resistant, and is suitable for multiple fields such as machinery and electronics, providing stable support for equipment operation.
Process Flow
- Pre-design and programming: According to the technical requirements of product drawings, such as size, tolerance and surface roughness, CAD/CAM software is used to complete the three-dimensional modeling of parts, and G code and M code adapted to CNC lathe are written, and the tool path and processing parameters are determined at the same time.
- Preparation and clamping of raw materials: stainless steel bars or pipes that meet the brand requirements are selected, and after cutting and straightening, the raw materials are firmly clamped on the spindle of the CNC lathe through a three-jaw chuck, a four-jaw chuck or a special fixture to ensure the clamping accuracy and coaxiality.
- Debugging of cutting tools and equipment: install cemented carbide cutting tools or ceramic cutting tools suitable for stainless steel processing, adjust cutting tool compensation parameters according to processing procedures, debug parameters such as spindle speed and feed speed of CNC lathe, and conduct idle stroke simulation operation to verify the accuracy of the program.
- CNC machining: Start the CNC machine tool to execute the machining program, and process the features of the workpiece such as size, thread and chamfer according to the tolerance requirements of the drawing, so as to ensure that the shape and position tolerance, surface roughness and other indicators meet the design standards.
- On-line detection and correction: In the process of machining, the key dimensions are detected in real time by using the on-line measurement function of CNC machine tools or hand-held measuring tools, and if there is deviation, it is corrected immediately by adjusting tool compensation or program parameters.
- Disassembly and initial inspection of workpiece: Stop the equipment operation after machining, loosen the fixture to take down the workpiece, and preliminarily inspect the key dimensions and shape and position accuracy of the workpiece with measuring tools such as calipers, micrometers and roundness meters.
- Post-treatment process: deburring, polishing, cleaning, heat treatment or surface plating (such as passivation and chromium plating) are carried out on the workpiece according to the product requirements to improve the surface quality and corrosion resistance of the workpiece.
- Final inspection and packaging: Full-scale inspection is carried out by high-precision inspection equipment such as three-coordinate measuring instrument, and rust-proof packaging is carried out after it is confirmed to be qualified, and it is well marked and put into storage or delivered to customers.
About Us
Xi'an Hi-Precision Machinery Co., Ltd is a professional CNC machining service provider, located in Xi'an, an inland city in China. We have experienced CNC experts and advanced CNC machine tools, and use bar feeders to achieve unmanned continuous processing. These enable us to manufacture all kinds of simple or complex precision parts for various industries around the world. The stainless steel parts we manufacture are widely used in medical equipment, aerospace, precision instruments, chemical equipment and other fields. If you need custom processing CNC precision stainless steel turned parts services, please contact us.
Case display of Stainless Steel Turned Parts
CNC machined precision stainless steel turned parts are widely used. Currently, the industries we have served mainly include: medical equipment, aerospace, automobile manufacturing, etc.
Core Features of CNC Precision Stainless Steel Turning
1. High precision:
a. Dimensional tolerance can reach ±0.001mm (such as the diameter tolerance of precision valve core), and form and position tolerance (roundness, cylindricity) ≤0.002mm/100mm.
b. Surface roughness can be controlled at Ra0.8-0.02μm (mirror turning can reach Ra0.02μm, used for sealing surface or optical components).
2. Processing difficulties:
a. High material toughness: Austenitic stainless steel (such as 304) is prone to "sticking knife" phenomenon during cutting, resulting in deterioration of surface roughness and even "built-up edge" (affecting dimensional accuracy).
b. Poor thermal conductivity: The thermal conductivity of stainless steel is only 1/3-1/2 of that of 45 steel, and the cutting heat is concentrated at the tip of the tool, which is easy to cause tool wear (the service life is about 1/5 of that of carbon steel).
c. High hardness: The hardness of martensitic and precipitation hardened stainless steel can reach HRC30-50 after heat treatment, and the wear resistance of the tool is extremely high.
Why Choose Us?
Our Advantages
Free Samples
We provide free sample service. If you need samples, please contact customer service.
Fast Delivery
We are always able to deliver products on time or ahead of schedule as agreed in the contract.
High Quality Products
Our quality inspection procedures are very strict to ensure that the products delivered are 100% qualified.
Perfect After-Sales
If there is any product quality problem, please contact us for free replacement.
How we ensure product quality?
For CNC precision stainless steel turned parts, we use precision measuring tools (such as micrometers, dial indicators, height gauges) and equipment (such as three-dimensional measuring machines, projectors) to detect key dimensions (such as diameter, length, hole position) and form and position tolerances (such as parallelism, verticality, circular runout) to ensure that they meet your drawing requirements. For complex curved parts, compare the deviation between the actual model and the design model through 3D scanning to analyze whether it is within the allowable range. Visually or through a magnifying glass to check surface defects (such as scratches, dents, burrs), and use a roughness tester to test the surface roughness when necessary. Perform strength tests (such as tension and pressure tests) on force-bearing parts, and wear resistance tests (such as friction coefficient tests) on moving parts to ensure that they meet the requirements of the use conditions.
FAQ
Q: What information do I need to provide for custom parts?
A: If you need custom processing, you need to provide us with 2D drawings (marking dimensions, tolerances, materials, surface requirements) or 3D models (STP, IGS format).
Q: I want to custom a part, but I don't have drawing, can you copy it as per my sample?
A: Yes, we can. You just need to send me sample, then our engineer will measure all dimensions and design drawing.
Q: Can you laser engrave my brand LOGO?
A: Of course, we are an OEM model and everything can be customized.
Q: Can I get a free sample?
A: Yes, surely we can provide free sample for you as long as you have batch order.
Q: What is your CNC operator experience?
A: The CNC operators we employ usually have more than 3 years of experience in machine tool operation.
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