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Home Cases Sheet Metal Processing other

Insulated switch cabinet housing

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Sheet Metal Processing

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Item

Content

Basic Information

Product Name

Insulated Switchgear Enclosure
 

Processing Method

Laser cutting → CNC bending → Welding → Insulation layer filling → Polishing → Spraying (full-process production)

Origin & Logistics

Production Address

Cangzhou, China (Hebei Province)
 

Shipping Port

Tianjin Port (supporting global transportation, including power  logistics)

Technical Specifications

Overall Dimensions

Customizable according to customer drawings (3D/2D files required)
 

Material Selection

Galvanized sheet / Cold-rolled sheet / Stainless steel (with material certificate) + Polyurethane/rock wool insulation layer
 

Surface Treatment

Electrostatic spraying / Powder coating / Painting (optional outdoor anti-corrosion grade, supporting IP55)

Customization Services

Color Options

Gray white / Military green / Dark gray and other conventional colors / Customizable according to color card (supporting outdoor high-temperature colors)
 

OEM In-depth Customization

Structural customization + Insulation layer thickness selection + Cable outlet hole opening (supporting waterproof and dustproof sealing)
 

LOGO Craftsmanship

Screen printing / Laser engraving / Nameplate riveting (supporting enterprise logos and parameter labels)

Supply Chain Capability

Packaging Method

Shockproof film + corner protectors + pallets / Wooden box packaging (suitable for transportation of heavy outdoor cabinets)
 

Minimum Order Quantity (MOQ)

5 units (sample production acceptable)
 

Delivery Cycle

Regular orders: 10–15 days / Bulk orders: 100 units per week (supporting project delivery date negotiation)

Application Adaptation

Core Application Scenarios

Outdoor power switch stations / Power transmission and distribution projects / Industrial park electrical control centers

Previous：

Chassis shell horizontal spraying machine

Next：

Military backpack frame shell

Switch Panel

Panel switch
Panel switch
panel
Multi-function 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

01
Sandblasting
Description
High-speed sand particles remove oxidation and burrs, improving adhesion and surface roughness.
Applicable Materials
Aluminum, carbon steel, stainless steel, copper, alloy steel, etc.
Treatable Colors
Original color (can be repainted after treatment)
Effect Description
Matte or fine sanded surface, improving coating adhesion and impurity removal.
02
Tumbling
Description
Parts placed in abrasive media for vibration or rolling, achieving deburring, chamfering, and polishing.
Applicable Materials
Aluminum, stainless steel, copper, carbon steel, etc.
Treatable Colors
Original color (surface brightness can be processed)
Effect Description
Deburring, smooth surface, improved aesthetics, ideal for small batch parts.
03
Alodine
Description
Forms a corrosion-resistant conversion film on aluminum alloy, commonly used as pre-treatment before coating.
Applicable Materials
Aluminum, aluminum alloy
Treatable Colors
Golden yellow, transparent, light gray
Effect Description
Improves corrosion resistance, enhances coating adhesion, suitable for aerospace and military electronics.
04
Anodizing
Description
Electrolytic process on aluminum to form a dense oxide layer, enhancing corrosion resistance and aesthetics.
Applicable Materials
Aluminum, aluminum alloy
Treatable Colors
Silver, black, gold, red, blue, etc.
Effect Description
Surface hardening, corrosion-resistant, colorable, delicate appearance, good insulation.
05
Teflon Coating
Description
Spraying PTFE on metal surfaces to provide anti-stick, corrosion resistance, and high-temperature tolerance.
Applicable Materials
Aluminum, carbon steel, stainless steel, etc.
Treatable Colors
Black, gray, green, blue, etc. (based on formula)
Effect Description
Low friction, oil and water-resistant, corrosion-resistant, often used in sliding parts and molds.
06
Black Oxidation
Description
Chemical treatment forms an oxide layer on steel, enhancing appearance and rust resistance.
Applicable Materials
Carbon steel, alloy steel, stainless steel
Treatable Colors
Black (usually matte black)
Effect Description
Uniform black appearance, increased rust resistance, commonly used in mechanical parts.
07
Chemical Plating
Description
Chemical reduction deposits a metal layer on the surface, commonly nickel plating.
Applicable Materials
Steel, stainless steel, aluminum, copper, etc.
Treatable Colors
Silver-white, bright silver
Effect Description
Bright surface, strong corrosion resistance, uniform coating, suitable for high-precision or internal parts.
08
Electroplating
Description
Electrolytic process deposits a metal coating on the surface, like zinc, chrome, or nickel plating.
Applicable Materials
Carbon steel, stainless steel, copper, zinc alloy, etc.
Treatable Colors
Silver, gold, nickel, black, colorful zinc, etc.
Effect Description
Improves corrosion resistance, hardness, and aesthetics, widely used in decoration and protection.
09
Spray Painting
Description
Sprays paint onto the surface to form a protective and colored layer.
Applicable Materials
Almost all metal materials
Treatable Colors
Various colors available
Effect Description
Various colors, moisture and rust-resistant, enhances appearance, suitable for non-standard color requirements.
10
Passivation
Description
Forms a stable oxide film on the metal surface, improving corrosion resistance without affecting conductivity.
Applicable Materials
Stainless steel, aluminum, copper, etc.
Treatable Colors
Original color or light gray
Effect Description
Enhances corrosion resistance, maintains original color, suitable for high-demand industries like food and medical devices.
11
Powder Coating
Description
Solid powder is electrostatically applied and baked to form a coating.
Applicable Materials
Carbon steel, stainless steel, aluminum, etc.
Treatable Colors
Various colors (RAL standard colors available)
Effect Description
Uniform coating, strong adhesion, impact and corrosion-resistant, ideal for enclosures and equipment cases.
12
Electrophoresis
Description
Uniform coating is deposited on electrically charged metal parts, commonly used for rust-proof primer.
Applicable Materials
Steel, aluminum, zinc alloy, etc.
Treatable Colors
Black, gray, transparent, gold, etc.
Effect Description
Thin, uniform coating, excellent rust resistance, ideal for automotive and electronic casings.
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.

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Sheet Metal Processing

Medical Series
Mine Series
New Energy Series
Logistics Series
Vending series
Communication equipment series
Environmental Protection Series
stamping parts
switch panel
other
Machining Cases

Aluminum sensor housing
Aluminum machining parts
tailgate hinge
Smart aluminum shell box
Resistive stretch shell
Machined sensor housing
Machined parts
aluminum frame
Aluminum bracket