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Dongguan Ganyuan Hardware Technology Co., Ltd.
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Product Description Precision CNC knurled brass parts custom OEM parts Optical detection wheel machining is a precision manufacturing process used to produce key rotating components in optical inspection equipment. Through high-precision turning, grinding, and dynamic balancing, we ensure precise wheel dimensions, a smooth surface, and smooth operation to meet the inspection requirements of optical sensing systems. This process is suitable for applications in precision optics, such as laser scanning and encoders. Product Description Production typeCustom production and processingMaterial Brass Processing methodsCNC Trining Parts 5-axis CNC machining centers, grinding machines, wire cuttingProcessing EquipmentCNC Trining Parts 5-axis CNC machining center, grinder, wire cuttingAccuracy±0.02mmWhether proofingyesIs it customizedyesProofing time7-15 daysOEM/ODMOEM ODM CNC machining servicesurface treatmentElectroplating, zinc plating, chrome plating, nickel plating, oxidation, hard oxidationOriginDongguan, ChinaQuotationsFOBBusiness Type:Manufacturer/Factory & Trading CompanyMain Products:CNC parts; Machining parts Management System Certification:ISO 9001:2015productivity1000000 Knurled Copper Processing: Precision Technology and Industrial Application Analysis Knurled copper, a metal material with high conductivity, wear resistance, and aesthetic appeal, is widely used in electronic components, precision machinery, and high-end decorative applications. Its unique surface texture not only enhances grip and friction but also enhances the product's visual quality. This article will provide a detailed introduction to the processing technology, material properties, and industry applications of knurled copper.Knurled Copper Processing1. Material Selection and PretreatmentKnurled copper is typically made from brass materials such as H59 and H62 due to their excellent ductility (elongation ≥ 20%) and mechanical strength (tensile strength ≥ 400 MPa). Annealing (600-700°C) is required before processing to eliminate internal stress and improve the accuracy of subsequent knurling.2. CNC Precision TurningRough machining of the copper rod is performed using a high-precision CNC lathe, ensuring an external dimensional tolerance within ±0.05mm. Diamond-coated blades (cutting speeds of 80-120 m/min) are typically used to reduce copper chips from sticking to the tool and ensure a smooth surface finish (Ra ≤ 1.6 μm).3. Knurling ProcessKnurling is a key step and is generally classified into three types: straight, crosshatch, and diagonal. A hydraulic or mechanical knurling wheel (hardness HRC 60 or higher) is used to press a uniform pattern onto the copper surface. The pressure must be precisely controlled (usually 3-5 tons) to prevent cracking or uneven depth of the pattern.4. Surface TreatmentElectroplating: Nickel or chromium plating (film thickness 5-10 μm) is used to enhance wear resistance and oxidation resistance.Passivation: A chemical passivation process forms a protective film to prevent oxidation and darkening of the copper surface.Brushing/Polishing: Some high-end products require additional brushing or mirror polishing to enhance the appearance and quality.Core Advantages of Knurled CopperFunctionalityThe knurled pattern provides anti-slip properties, making it suitable for frequently operated parts such as knobs and handles.Excellent electrical conductivity (conductivity ≥ 28MS/m) makes it an ideal material for electronic connectors and switch contacts.DurabilityKnurled copper parts that have undergone heat treatment and electroplating can withstand salt spray tests for over 72 hours, meeting the demands of long-term use in industrial environments.AestheticsThe knurled texture, combined with electroplating/oxidation coloring (such as bronze and champagne gold), enhances the product's quality and is widely used in decorative components such as audio knobs and instrument panels.Industry Application ExamplesElectronic components: Knurled copper is often used in the transmission components of SMD mounted gears (such as those described in this article) to ensure precise meshing.Mechanical equipment: Precision fine-tuning knobs (such as micrometer dials) rely on the anti-slip design of knurled copper to achieve fine adjustments.High-end consumer products: Camera lens rings, audio volume knobs, and other products use customized knurling patterns to enhance the user experience.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.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 lathes, 5-axis CNC, 4-axis CNC, stamping equipment, die-casting equipment, etc.2.5-dimensional detection equipment FAQQ1: 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 canpay the balance. For small quantities, we accept Paypal, the commission will be added to the order. For big amounts, T/T ispreferred.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 withdimensions(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?A9: Yes, we will keep them well and won't release them to the third party without your permission.Q10: Is it possible to know the operation status of my products without visiting your company?A10: We will offer a detailed production schedule and send weekly reports with digital pictures and videos which show themachining progress.Q11: If you make poor quality goods, will you refund?A11: In fact, we won't take risks to produce poor-quality products. Meanwhile, we manufacture good quality products till you aresatisfied. Packaging & ShippingPackaging 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.
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