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Lithium battery pack metal casing
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| Classification | project | Content Description |
|---|---|---|
| Basic Information | Product Name | Lithium battery pack metal casing |
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Processing technology | Laser cutting → CNC bending → riveting/welding → polishing → spraying/oxidation (sealing solutions can be customized) |
| Origin Logistics | Production address | Cangzhou, China (Hebei Province) |
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Shipping Port | Tianjin Port (supporting national logistics and overseas exports) |
| Technical Specifications | Dimensions | Support customization of different module specifications (customers need to provide structural drawings or cell layout drawings) |
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Material selection | Aluminum alloy (commonly used 5052, 6061) / stainless steel (supports lightweight and corrosion-resistant design) |
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Surface treatment | Anodizing / spraying / brushing / conductive oxidation (balancing strength and insulation) |
| Customized services | Color support | Metallic color / Gray silver / Black / Other colors support Pantone customization |
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OEM deep customization | Support IP65 protection customization, heat dissipation structure design, and battery cell/module adaptation solution development |
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LOGO craft | Silkscreen printing / laser engraving / nameplate label (supports model serial number) |
| Supply Capacity | Packaging | Anti-static bag + customized pearl cotton inner tray + carton / wooden box (to ensure transportation safety) |
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Minimum Order Quantity (MOQ) | Minimum order quantity: 1 piece (supports sample development and verification) |
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Delivery cycle | Small batch proofing 7-10 days / Mass production 7-15 days according to structural complexity |
| Application Adaptation | Core application scenarios | Energy storage systems / electric two-wheelers / power tools / industrial power boxes / communication base station backup battery modules |
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Adapt to customer industry | Lithium battery manufacturers / energy storage system integrators / electric vehicle manufacturers / energy and communications industry customers |
Switch Panel
Design Drawings
You can upload 2D or 3D design drawings, and we will respond in 2-8 hours!
Process Selection
01-
Cutting Process
Laser, plasma, or waterjet cutting for precise metal sheet separation, ideal for complex shapes and high precision, with smooth, burr-free edges.
Laser Cutting
Laser cutting is fast, high-quality, with precision up to ±0.05mm, smooth surface, and no need for further machining.
Plasma Cutting
Fast melting speed, smooth cut surface, no deformation, suitable for thicker materials with significant speed and quality advantages.
Waterjet Cutting
Waterjet cutting is versatile, less affected by material type, low cost, easy operation, and high productivity, becoming a mainstream industrial technique.
02-
Sheet Metal Bending
CNC press brake with custom molds bends metal sheets into shapes like U, V, or channel, with precision up to ±0.1mm.
03-
Welding
TIG/MIG, arc welding, and robotic welding for seamless connections in stainless steel, aluminum, with high-strength seams.
04-
Punching
CNC punching for quick and precise hole creation, supporting batch customization, with thicknesses from 0.5mm to 6mm.
05-
Riveting
Using compression or pull riveting to join parts without welding, suitable for enclosures, strong and easy to disassemble.
06-
Stamping
High-speed stamping for mass production of hardware parts, supporting complex shapes and textures, with cold/hot stamping for different materials.
07-
Polishing
After welding, the surface is polished, with no sharp edges, weld marks, or burrs, ensuring smooth, flat seams.
08-
Label Customization
Custom branding or functional labels (logos, model numbers, safety warnings) applied to sheet metal parts for enhanced product appeal and professionalism.
Material Selection
Aluminum Alloy
Light metal with good forming and corrosion resistance, suitable for lightweight equipment.
Color
Silver, anodizable in various colors
Types
5052, 6061, 7075
Advantages
Lightweight, good thermal conductivity, suitable for electronic and heat-dissipating parts, anodizable, aesthetic, corrosion-resistant, easy to process and bend.
Copper
High conductivity metal, used for electrical and heat dissipation components.
Color
Red or brownish-red
Types
T2 Copper, H62 Brass
Advantages
Excellent conductivity and thermal performance; high ductility, suitable for precision parts; corrosion-resistant, used in high-end electronics and medical devices.
Carbon Steel (Low, Medium, High Carbon)
Composed of iron and carbon, used in mechanical structures and sheet metal parts.
Color
Gray-black
Types
Q235 (Low Carbon), 45# (Medium Carbon), T10 (High Carbon)
Advantages
Easy to source, cost-effective, good welding, cutting, and forming properties; high strength, suitable for load-bearing structures. Surface can be plated or painted for corrosion resistance.
Stainless Steel
Chromium-rich alloy steel with excellent corrosion resistance and strength, ideal for high-end sheet metal products.
Color
Silver, mirror, or brushed finish
Types
201, 304, 316
Advantages
Corrosion-resistant, suitable for high-humidity, acidic, and alkaline environments; aesthetic, enhances product quality; high strength, wear-resistant, suitable for structural and appearance parts; long lifespan, almost maintenance-free.
Galvanized Steel
Zinc coating on carbon steel for enhanced rust resistance.
Color
Silver-gray, zinc flower surface
Types
Hot-dip galvanized (GI), electro-galvanized (SECC)
Advantages
Strong rust resistance, suitable for outdoor use; aesthetic, good for coatings like spray or electrophoresis; good for cold-rolled steel processing; cost-effective, widely used for home appliances and enclosures.
Alloy Steel
Add metals to carbon steel for improved mechanical properties.
Color
Dark silver-gray
Types
40Cr, 20CrMo, 15CrMn
Advantages
High strength, hardness, wear resistance; good toughness, impact-resistant; heat treatable, customizable hardness; used in heavy-duty sheet metal and precision structures.
Titanium Alloy
Lightweight, high strength, corrosion-resistant metal, used in high-end equipment parts.
Color
Silver-gray, anodizable to various colors
Types
TA1, TC4 (Ti-6Al-4V)
Advantages
High strength-to-weight ratio, suitable for lightweight, strong parts; resistant to seawater and chemicals, ideal for harsh environments; biocompatible, suitable for medical devices; strong high-temperature performance, used in aerospace parts.
Aluminum Magnesium Alloy
Magnesium added to aluminum for better strength and corrosion resistance.
Color
Silver-white
Types
5052, 5083
Advantages
Lightweight, seawater corrosion-resistant; excellent welding and forming; stronger than regular aluminum; used in ships, enclosures, and transport equipment.
Stainless Steel Sheet
Standard stainless steel for laser cutting, bending, and welding.
Color
Silver-white, mirror, brushed
Types
304, 316, 430
Advantages
Smooth surface, precise processing; aesthetic, corrosion-resistant, ideal for high-end enclosures; good forming, suitable for various processes; high temperature, pressure resistant, suitable for structural and decorative parts.
Tool Steel
Steel designed for high strength and wear resistance, commonly used for mold processing.
Color
Dark gray to black-gray
Types
Cr12, D2, SKD11
Advantages
Very high hardness and wear resistance; stable dimensions, suitable for precision machining; fatigue-resistant, ideal for stamping molds; heat treatable for various hardness requirements.
Surface Treatment
Sandblasting
01
Tumbling
02
Alodine
03
Anodizing
04
Teflon Coating
05
Black Oxidation
06
Chemical Plating
07
Electroplating
08
Spray Painting
09
Passivation
10
Powder Coating
11
Electrophoresis
12
Sheet Metal Processing Standards
| Cutting Accuracy | Laser cutting or CNC punching error within +0.2mm (standard), high precision within +0.1mm. |
| Bending Angle Tolerance | Typically +1°, with angle compensation for thickness variation. |
| Welding Standard | Follow JB/T 4709 or AWS D1.1, with full welds, no defects, no cracks. |
| Riveting/Tapping | Riveted parts meet DIN or PEM standards, hole tolerance H7~H10. |
| Grinding/Deburring | All edges/holes should be burr-free, smooth surface. |
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FAQs
What documents are required for quotation/production?
Please provide detailed 2D drawings (including material, thickness, tolerance, etc.) or 3D model files.
How can we ensure the bending accuracy of complex sheet metal parts? Especially after multiple bends, cumulative errors are likely to occur.
We use high-precision CNC bending machines, coupled with professional bending software for simulation and programming. Our experienced operators effectively control the cumulative error of multiple bends by accurately calculating the bend springback, controlling the bending sequence, and using positioning tooling, ensuring that key dimensions meet the drawing requirements.
Sheet metal parts are prone to deformation after welding. How do you control this?
Welding distortion is a common challenge. We minimize and control welding distortion to ensure the smoothness of the finished product by combining various methods, including optimizing the welding process (such as using low current, segmented welding, and jump welding), using welding fixtures or platforms for rigid fixation, and post-weld correction (such as using shaping equipment).
Can you handle orders with special surface treatment requirements (such as specific color spraying, special electroplating)?
Yes. We have a network of surface treatment suppliers who can handle a variety of special needs, including specific color spraying (color card or Pantone number required), special functional plating (such as nickel, chrome, zinc-nickel alloy, etc.), and anodizing. We will coordinate outsourcing treatments based on your requirements.
Do you have the ability to laser cut thick plates (such as stainless steel >10mm)? What is the cutting quality and efficiency?
Yes, we are equipped with high-power laser cutting machines that can efficiently cut thick stainless steel plates (usually up to 20mm or even thicker, depending on the machine power and material), carbon steel plates, etc. The cut surface is smooth and flat, the heat-affected zone is small, and the precision is high, which can meet the most demanding cutting needs.
Contact us
You can contact us through the following four methods, and we will respond to your inquiry promptly!
1. Call us
2. Send an email
3. Message form
4. Add WeChat or Whatsapp
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