| Customization: | Available |
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| Application: | Hardware Tool |
| Standard: | GB, China GB Code |
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The product attributes of machined parts are a multi-dimensional and comprehensive system. Clear, complete and accurate customization (usually reflected in part drawings and technical specifications) is the key to ensuring that parts meet design intent, functional requirements, quality standards and smooth manufacturing.
| Category | Parameter | Options / Description | Notes |
|---|---|---|---|
| Basic Info | Part Name | Customer-defined (e.g., Shaft, Flange, Housing) | Unique identifier |
| Part Number | Customer-provided or supplier-assigned | For traceability | |
| Material Type | Metals: Aluminum (6061, 7075), Stainless Steel (304, 316), Carbon Steel (45#, Q235), Brass, Titanium; Plastics: POM, Nylon, PEEK, PTFE |
Specify material standard (e.g., ASTM, GB) | |
| Material Form | Bar/Plate/Tube (e.g., Ø50×100mm, 100×200×10mm) | Based on raw stock size | |
| Machining | Process | Turning, Milling, Drilling, Grinding, Wire EDM, Laser Cutting, EDM, etc. | Multi-process combinations |
| Tolerance | Standard (±0.1mm), Precision (±0.05mm), High-Precision (±0.01mm or tighter) | Critical dimensions must be specified | |
| Surface Roughness (Ra) | Rough (Ra 3.2~6.3μm), Semi-Finish (Ra 1.6~3.2μm), Finish (Ra 0.8~1.6μm), Mirror (Ra ≤0.4μm) | Functional requirements | |
| Dimensions | Key Dimensions | Length/Width/Height, Hole Diameter, Thread (e.g., Ø25±0.02mm, M6×1-6H) | Full drawing required |
| Geometric Tolerance | Flatness, Roundness, Perpendicularity, Concentricity (e.g., Flatness 0.05mm) | ISO/ASME standards | |
| Heat Treatment | Type | Quenching, Tempering, Carburizing, Nitriding, Annealing, etc. | Material-dependent |
| Hardness | HRC (e.g., HRC 40-45), HB, HV | Specify test method | |
| Surface Finish | Corrosion Protection | Anodizing (Al), Plating (Ni/Cr/Zn), Passivation (Stainless Steel), Black Oxide, Phosphating | Thickness required (e.g., Ni 5μm) |
| Special Finish | Sandblasting, Polishing, Painting, Coating | Color/gloss can be specified | |
| Testing | Functional Requirements | Leakage Test, Pressure Resistance, Conductivity, Wear Resistance, etc. | Define test standards |
| Inspection | 100% Inspection / Sampling, CMM, Optical Measurement, Pressure Test | Reports (FAI/PPAP) | |
| Packaging | Packaging | Anti-rust Paper + Bubble Bag, Plastic Case, Wooden Box (Export) | Moisture/Shock Protection |
| Lead Time | 1-3 Days (Urgent), 5-15 Days (Standard), Customizable | Complexity-dependent | |
| Certification | Standards | ISO 9001, AS9100 (Aerospace), RoHS, etc. | Specify in advance |
| Documentation | 2D Drawing (PDF/DWG), 3D Model (STEP/IGES), Material Certs, Inspection Reports | As requested |
YANTAI GOCHAIN METAL CO.,LTD was found in 2017,specializing in the manufacture of metal products and accessories. As a comprehensive metal processing and manufacturing enterprise, GOCHAIN benefits from solid expertise and state-of-the-art production tools. Based in China's Shandong province, GOCHAIN has chosen a strategic location that provides essential proximity for the development of its activities.Located close to major highways, it is only 2 hours' drive from Qingdao. Our engineering department is staffed by experts in the design and manufacture of steel structures .Our know-how in mechanical welding and our compliance with industrial standards guarantee maximum quality control.
Materials
Steel: Carbon steel/mild steel/cold rolled steel/hot rolled steel
Stainless steel: SS201, SS303, SS304, SS316, etc.
Aluminum: AL5052, AL6061, AL6063, AL7075, etc.
Equipment and working capacity
Laser cutting machine* (6000W & 12000W)
Digital plasma cutting machine: processing area 3000MM*15000MM
300T CNC bending machine: processing area 4000MM to 12000MM
6000W pipe cutting machine: processing area φ530MM*6MM
Vertical machining center: working area 1700MM*1000MM
Horizontal machining center, working area 1000MM*1000MM
Gantry machining center, working area 12000MM*2000MM
CNC milling machine*2 sets, working area 1200MM*600MM
CNC wire cutting machine*2 sets, working area 600MM*600MM
CNC lathes two sets, working area 1000M*φ380MM
Gantry composite machining center
CNC bending machine
Welding robot
Drawing software CAD, solidworks, CASA, Pro-cam, CAM-PATH
Drawing formats PDF, DWG, STEP, JPG, IGS, SLD, SLDPRT, DX
Powder coating
Polishing
Spraying
Galvanizing (galvanizing, nickel plating, chrome plating, silver plating)
Customization
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