Audited Supplier
KEY FUNCTIONS
Protection:Shields internal components from physical damage, dust, and debris.
Cooling:Facilitates airflow to keep components cool, often with fans and vents.
Structure:Provides a framework for mounting and organizing components like the motherboard, power supply,and drives.
Aesthetics:Available in various designs and colors, allowing users to choose according to their preferences.
THE TYPES OF THE COMPUTER CASE
Tower Case:
Full Tower: Large, can accommodate multiple GPUs and extensive cooling options.
Mid Tower: More compact, suitable for most standard builds.
Mini Tower: Smaller, ideal for basic setups.
Desktop Case: Horizontal design, often used for office PCs.
Small Form Factor (SFF): Compact cases designed for limited space, such as HTPCs (Home Theater PCs).
Rugged Cases: Built to withstand harsh environments, often used in industrial applications.
Custom Cases: Users can build their own or modify existing cases for unique configurations.
FEATURES
Compatibility: Ensure the case fits the motherboard size (ATX, Micro-ATX, Mini-ITX, etc.) and has enough space for components.
Cooling Options: Look for adequate airflow, fan mounts, and space for radiators if using liquid cooling.
Drive Bays: Check the number and type of drive bays for HDDs and SSDs.
Expansion Slots: Sufficient PCIe slots for additional graphics cards or expansion cards.
Cable Management: Features that facilitate tidy cable routing.
Product Parameter
1. Precision stamping part,CNC machining part,turned part
2. Tolerance: ± 0. 01 - ± 0.1mm
3. Certificate: ISO 9001
4. Total customer satisfaction
| Factory: | Shenzhen Wanda-an Precision Technology Co., Ltd |
| Production Description | CNC Lathe Machining Steel Services cnc Machining Turning Milling Steel Parts custom Cnc Machining Prototyping Service |
| Processing | Machining, Turning, Milling, Grinding, Stamping service etc. |
| Material for CNC Machining processing | 1) Aluminum - AL 6061-T6, 6063, 7075-T,5083,6063,6082,5052,2A12 etc. |
| 2) Stainless steel - SS 201,SS301 SS303,SS304,SS316L, SS416L,17-4(SUS630),440C, 430 etc. | |
| 3) Steel - 4140,4340,Q235, Q345B,20#,Cr12MoV,D2,A2,4140,4150,P20,S136,M2,O2, SKD11,CRS, etc. | |
| 4) Titanium - TA1,TA2/GR2, TA4/GR5, TC4, TC18 etc. | |
| 5) Brass - C36000 (HPb62), C37700 (HPb59), C26800 (H68), C22000(H90) etc. | |
| 6) Copper - bronze,Phosphor Bronze, Magnesium alloy, etc. | |
| Finish | For Aluminum parts - Clear anodized, Color anodized, Hard anodized, Sandblasting, Chemical film, Brushing, Polishing, Painting, Silk screen printing,Etching, Laser marking, etc. |
| For Stainless steel parts - Polishing, Passivation,PVD, Sandblasting, Black oxide, Electrophoresis black, Painting, Silk screen printing,Etching, Laser marking, etc. | |
| For The Steel parts - Polishing, Black oxide, Nickel /Zinc/Gold/ Chrome/Silver plating, Carburized, Powder coating,electrophoresis, QPQ(Quench-Polish-Quench), Heat treatment, | |
| Painting, Silk screen printing,Etching, Laser marking, etc. etc. | |
| For Brass parts - Nickel /Zinc/Gold/ Chrome/Silver/Titanium plating, Electrophoresis black, Powder coating,Painting, Silk screen printing,Etching, Laser marking, etc. | |
| Shenzhen Mandaan Precision handles many other type of finish, please kindly contact us if your required finish is not listed above. | |
| Tolerance | Minimum tolerance +/- 0.05mm (+/- 0.0005") |
| Surface roughness | Ra 0.1~3.2 |
| Drawing format | Pro-e/UG/PDF/DWG/DXF/Solidworks, etc. |
| Testing equipment | CMM (Coordinate Measuring Machine),Height gauge, Caliper, Hardness tester, Roughness tester, Projector machine, Pin/Angle/Block/Plug/Thickness/Thread/Radius gauge,etc. |
| MOQ | 1 piece |
| Lead time | 2 weeks after received order. |
| Certificate | ISO9001, ISO13485. |
| Inspection processing | IQC,IPQC, FQC, QA. |
| Capacity | CNC turning work range: φ0.5mm-φ650mm*600mm. |
| CNC milling work range: 880mm*1300mm*600mm. | |
| Application | Automation, Medical device, Consumer Electronics, Security, IoT, Energy, etc. |
The Sheet Metal Process for Junction Box
1. Design and Prototyping
CAD Design: The first step is creating a detailed design of the junction box using CAD (Computer-Aided Design) software. The design will include dimensions, hole placements, and material specifications.
Prototyping: A prototype of the junction box might be created to verify that the design is functional and to test the fit and form.
2. Material Selection
Material: Junction boxes are typically made from metal sheets such as stainless steel, aluminum, or galvanized steel, depending on the environment in which the box will be used (e.g., outdoor, corrosive environments).
Thickness: The sheet metal's thickness is selected based on the strength needed and the design specifications.
3. Cutting
Laser Cutting: A laser cutter is often used to cut the flat sheet metal to the required size and shape. It offers high precision and smooth edges.
Water Jet Cutting: Alternatively, a water jet cutter can be used for thicker materials or when a cleaner edge is needed.
Shearing: For simpler cuts, shearing machines may be used to trim metal sheets to the required size.
4. Forming
Bending: Bending is done to give the flat metal sheet the 3D shape required for the box. This is usually achieved using press brakes, which bend the metal at precise angles.
Stamping: Stamping can be used to create more complex features like holes, slots, or raised areas for mounting hardware.
5. Hole Punching
Punching: Holes for mounting or wiring (for electrical junction boxes) are punched into the sheet metal. Punch presses or CNC machines are commonly used for this step.
6. Welding or Joining
Welding: If the junction box requires a sealed enclosure, welding can be used to join the edges of the box, typically using TIG or MIG welding for metals like steel or aluminum.
Riveting: In some cases, especially in non-permanent designs, riveting may be used as an alternative to welding.
7. Finishing
De-burring: After cutting and forming, any sharp edges or burrs are removed using deburring tools.
Surface Treatment: The junction box may undergo surface treatments such as powder coating, galvanizing, or anodizing for corrosion resistance and to improve the appearance.
Painting: In some cases, painting is applied to ensure a smooth, protective layer that is also visually appealing.
8. Assembly
Mounting Hardware: Components like screws, brackets, or seals might be added to the junction box during this stage to complete the assembly process.
Testing: After assembly, the junction box may be tested for quality assurance, including checking for proper fit and function of any electrical components it may house.
9. Packaging and Shipping
Once everything is assembled, the final product is inspected and packaged for shipping to the client.
| Item | Content | Details |
| 1 | Material | aluminum, brass, bronze, copper, SUS, steel, alloy, pc, pvc, etc |
| 2 | Finish | zinc plated, anodized, harden, polish, silk print, dusting, painting, passivation, etc |
| 3 | Tolerance | Turning ± 0.01mm stamping ± 0.01mm CNC machining±0.005mm |
| 4 | Process | Cutting,stamping,punching,deburring,polish,turning, machining,riveting,welding,bend ,drilling,chamfer, hob, rolling thread, thread processing, milling, knurling, tapping, grained, inspect, assembly, packing, etc |
| 5 | Package | PE+Carton,according to customer's request |
| 6 | Delivery date | Sample: 3-15days Mass production: 20- 30days after the payment received |
| 7 | Quality control | IQC; First item inspection; IPQC / RQC; FQC |
| 8 | Payment | Paypal/Western union; T/T, L/C |
| 9 | Production capacity | Stamping :500000-1000000 pcs/mon Turning: 20000-50000 pcs/mon CNC maching:10000-50000 pcs/mon Secondary processing:50000-100000 pcs/mon |
| 10 | current sale scale | CNC maching parts:30% Stamping parts :30% Turning parts:25% Others:15% |
Precision: Commitment to delivering precision-engineered components that meet or exceed customer expectations.
Innovation: Embracing technological advancements to continuously improve our processes and products.
Integrity: Upholding ethical standards in all business practices, fostering trust and long-term partnerships with our clients.
Custom Manufacturing: Tailored solutions to meet unique specifications and application requirements.
Prototyping: Rapid prototyping capabilities to facilitate product development and testing.
Surface Finishing: Comprehensive surface treatment options including polishing, anodizing, and plating to enhance aesthetics and functionality.
