| Customization: | Available |
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| After-sales Service: | 6 Month |
| Warranty: | 0 |
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An electrical junction box is a crucial component in electrical systems. It serves several important functions in managing and organizing electrical wiring.
Purpose and Function
Connection Point: The primary purpose of a junction box is to act as a central connection point for electrical wires. It allows for the safe and organized joining of electrical cables and wires.
Protection: It provides protection for the electrical connections and wiring inside,shielding them from environmental factors,physical damage,and accidental contact.
Safety: By enclosing electrical connections,junction boxes help prevent electrical hazards such as short circuits,electric shocks,and fires.
Components and Design
Box Body: The main body of the junction box is typically made of materials like metal, plastic, or fiberglass. The choice of material depends on the application and environmental conditions.
Cover: A removable or hinged cover protects the internal connections. It is usually secured with screws or clips and may be designed to be tamper-resistant.
Knockouts and Ports: These are openings in the junction box where electrical cables enter and exit. They can be pre-punched or punched out as needed.
Terminals and Connectors: Inside the junction box, terminals and connectors are used to join and secure the wires.
Types of Junction Boxes
Standard Junction Boxes: Typically used in residential and commercial applications. They come in various sizes and materials.
Weatherproof Junction Boxes: Designed for outdoor or damp environments, these boxes are made from materials that resist moisture and corrosion.
Explosion-Proof Junction Boxes: Used in hazardous environments where flammable gases or vapors are present. They are designed to prevent sparks or flames from escaping.
Surface-Mount and Flush-Mount Junction Boxes: Surface-mount boxes are installed on the surface of walls or ceilings, while flush-mount boxes are embedded into walls or ceilings for a more seamless appearance.
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| 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. |
| Installation and Use | Wiring Connections: Wires are connected inside the junction box using wire nuts, terminal blocks, or other approved methods. The connections should be properly insulated and secured. Mounting: Junction boxes are typically mounted to walls, ceilings, or other structures using screws, brackets, or other mounting hardware. |
| Code Compliance: Installation must comply with local electrical codes and standards to ensure safety and legality. This includes proper grounding, wire management, and box sizing. | |
| Application | Residential Wiring: Junction boxes are commonly used in home wiring systems to connect various electrical circuits and outlets. Commercial Wiring: In commercial buildings, junction boxes are used to organize and manage complex electrical systems, including lighting and power distribution. Industrial Applications: In industrial settings, junction boxes can be used for heavy-duty wiring and to ensure safe and reliable electrical connections in harsh environments. |
CAD Design: We have our own professional design team capable of providing clients with satisfactory 3D models and detailed engineering drawings. Of course, clients can also provide their own drawings to us for manufacturing.
CAM Programming: With our own manufacturing workshop, we generate cutting paths and process data that CNC machines can understand and execute, facilitating prototype design and production according to customer requirements.
Material Preparation: Our factory supports various materials including aluminum profiles and alloys, copper and brass alloys, iron, stainless steel, and special materials (e.g., tool steels).
CNC Programming: Our engineering design team and skilled equipment operators utilize professional CAM software to generate precise programs for CNC machines, controlling machining parameters such as cutting speed, feed rate, and depth.
Automated Processing: Our CNC machines operate automatically based on pre-set programs, performing cutting, drilling, milling, and other processes efficiently and accurately.
Quality Control: We have a dedicated quality management department that conducts real-time monitoring and inspection of our production processes, including dimensional measurements, surface quality checks, and inspections of raw materials and finished products, ensuring compliance with specifications.
Surface Treatment: Depending on requirements, finished products undergo surface treatments such as polishing, grinding, electroplating, and sandblasting to enhance their appearance and performance characteristics.
Assembly and Testing: Upon completion of manufacturing, our products undergo rigorous assembly and functional testing to ensure their integrity and performance.
| 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.
1.Q: Who Are We?
A: We are factory with ISO 9001,IATF 16949 quality certification system in place, We produce all our products in-house with SGS Rosh Reach certificated materials,so you can get better quality control and competitve price offering than others on the market.
We provide high-quality metal processing for international and domestic big brand manufacturers such as electrical appliances,electrical appliances and new energy vehicles etc
2.Q: What kind of service can you provide?
A: Our company (WANDA-AN Precision) can provide OEM sheet metal stamping and fabrication, CNC milling and turning,stamping die design and manufacturing service.
3.Q: What's kinds of information you need for a quote?
A: In order to quote for you earlier, please provide us the following information together with your inquiry.
a. Detailed drawings (STEP, CAD, SOLID Works, PROE, DXF and PDF)
b. Material requirement (SUS, SPCC, SECC, SGCC, Copper, AL, etc.)
c. Surface treatment (powder coating, sand blasting, planting, polishing, oxidization, brushing, etc.)
d. Quantity (per order/ per month/ annual)
e. Any special demands or requirements, such as packing, labels, delivery, etc.
4.Q: What if I don't have the required drawings or docuemnt information above?
A: Please send your sample to our factory, then we can copy or provide you better solutions. Please send us pictures or drafts with dimensions (Thickness, Length, Height, Width), CAD or 3D file will be made for you if placed order.
5.Q: What makes you different from others?
A:
a. We are an ISO 9001 and IATF 16949 certified manufacturer,Under these quality control system guideline as well as Our experienced technical personnel and skilled production operators,we can provide better quality products than others.
b.Fishish product quality inspection or Preshiment Inspection (PSI) reports available upon request.
c.Our quick manufacturing time and on-time delivery For Normal orders, we will promise to produce within 3 to 4 weeks.
d.24*7 customer service available,We will submit the quotation in 24 hours if getting detailed information during working days.As a factory and manufactuer, we have all the technicians to provide fastest response to all your technical inquiry.
6.Q: Is it possible to know how are my products going on without visiting your company?
A: We will offer a detailed production schedule and send weekly reports with photos or videos which show the machining progress.We can provide production sample for testing approval before or during the mass products
7.Q: Can I have a trial order or samples only for several pieces?
A: As the product is customized and need to be produced, we will charge sample cost, ,we will refund the sample cost after you placed mass orders.
8.Q: Why there is tooling cost?
A: It's mold cost. Indispensable production process. Only need to pay for first order, and we will bear maintenance cost of mold damage.
9.Q: What is your terms of payment?
A: Payment<=1000USD, 100% in advance.
Payment>=1000USD, 40% T/T in advance, balance before shipment.
10.Q: What's your after-sale service?
A: If there is quality problem, please provide photos or test report, we will replace defective goods or return funds immediately
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