OEM WELDING AND METAL FABRICATION
Custom Welding Fabrication and Welded Metal Assemblies
Hongming Sheng manufactures custom welded metal assemblies, industrial frames, equipment structures, brackets, machine bases, and fabricated metal components according to customer drawings and engineering requirements.
Our manufacturing support includes TIG welding, MIG welding, robotic welding, laser cutting, CNC bending, machining, grinding, surface finishing, hardware installation, and final mechanical assembly.
•TIG and MIG welding
•Robotic welding for repeat production
•Carbon steel, stainless steel, and aluminum
•Prototype, low-volume, and repeat production
E-MAIL:info@hms1688.com
Upload Drawing & Request QuoteWelding Fabrication Project Gallery
The following projects show custom welded structures, industrial frames, brackets, assemblies, and fabricated metal components produced according to customer drawings.
Selecting the Right Welding Process
The welding method should be selected according to material, thickness, joint design, production quantity, required appearance, accessibility, and structural performance. One welding process is not suitable for every component.
TIG Welding
TIG welding is commonly considered for stainless steel, aluminum, thin materials, visible welds, and components requiring greater control over heat input and weld appearance.
MIG Welding
MIG welding is commonly used for carbon steel, stainless steel, aluminum, thicker sections, frames, brackets, and fabricated structures requiring efficient welding.
Robotic Welding
Robotic welding can support repeat production when the joint position, fixture design, welding access, component consistency, and order quantity are suitable for automation.
Materials for Welding Fabrication
Carbon Steel
Commonly used for machine frames, bases, brackets, industrial structures, support components, and cost-effective welded assemblies.
Stainless Steel
Considered for corrosion resistance, clean appearance, outdoor equipment, industrial enclosures, and structures exposed to demanding environments.
Aluminum
Suitable for lightweight frames, equipment housings, transportation components, energy equipment, and structures where reduced weight is important.
Material Requirements
The exact grade, thickness, material condition, welding filler, surface finish, and functional requirements should be stated on the project drawing.
Custom Welded Metal Assemblies
•Industrial welded frames and equipment structures
•Machine bases and support structures
•Equipment brackets and mounting assemblies
•Electrical cabinets and control enclosures
•Energy-storage equipment structures
•Custom steel, stainless steel, and aluminum assemblies
•Welded subassemblies for industrial machinery
Typical Welding Fabrication Process
01. Drawing Review
Confirm material, thickness, joint design, critical dimensions, welding requirements, surface finish, and quantity.
02. Material Preparation
Complete laser cutting, punching, machining, deburring, bending, edge preparation, and component identification.
03. Fixture and Welding
Position the components using suitable fixtures and follow the planned welding method and welding sequence.
04. Grinding and Finishing
Complete the specified weld cleanup, grinding, surface preparation, coating, polishing, or other finishing processes.
05. Inspection and Packing
Check agreed dimensions, assembly condition, appearance, hardware, surface finish, and packaging requirements.
Welding Distortion and Dimensional Control
Welding introduces heat into the assembly and can affect flatness, squareness, hole position, and overall dimensions. Distortion control should therefore be considered before production begins.
Fixture Planning
Locate components from stable datums and provide adequate support around critical interfaces.
Welding Sequence
Use balanced, staggered, segmented, or symmetrical welding where appropriate to reduce concentrated heat input.
Joint Design
Review joint gaps, overlaps, edge preparation, welding access, weld size, and the relationship between adjoining components.
Post-Weld Operations
Machining, straightening, grinding, or other secondary operations can be evaluated when required by the drawing.
Engineering reminder:Critical datums, machined surfaces, mounting holes, sealing areas, assembly interfaces, and cosmetic weld surfaces should be clearly identified on the drawing.
Inspection for Welded Metal Assemblies
•Material verification:confirm the specified material grade and thickness before fabrication.
•In-process checks:monitor component position, joint preparation, fixture condition, and selected dimensions.
•Dimensional inspection:check agreed dimensions, hole positions, flatness, squareness, and assembly interfaces.
•Visual inspection:review weld appearance, grinding, spatter, edges, and visible surface requirements.
•Project-specific testing:additional testing or documentation should be specified during quotation.
Industries and Applications
•Industrial automation equipment and production lines
•Robotics, AGV, and intelligent manufacturing systems
•Energy storage cabinets and power equipment structures
•Industrial machinery, platforms, frames, and machine bases
•Electrical cabinets and control-system enclosures
•Communication and electronic equipment structures
•Custom OEM metal products and mechanical assemblies
Why Work with Hongming Sheng?
•OEM metal manufacturing support since 2010
•TIG, MIG, and robotic welding capabilities
•Laser cutting, bending, machining, welding, and assembly support
•Carbon steel, stainless steel, and aluminum fabrication
•Prototype, low-volume, and repeat production capability
•Engineering feedback for structure and process optimization
•Inspection requirements reviewed according to customer drawings
•NDA support for confidential OEM projects
Information Needed for a Welding Quote
Drawings:STEP, IGS, DWG, DXF, or PDF files with the current revision.
Material:grade, thickness, condition, and any approved alternatives.
Quantity:prototype quantity, batch size, and expected repeat demand.
Welding requirements:joint type, weld size, weld position, grinding, and appearance.
Critical dimensions:datums, hole positions, interfaces, flatness, and assembly tolerances.
Finish and assembly:coating, color, hardware, testing, assembly, and packaging requirements.
Request a Welding Fabrication Quote
Send your drawings, material, quantity, welding requirements, critical dimensions, and surface finish. Our team can review the fabrication route and provide quotation feedback for your project.
Customer drawings, CAD files, samples, specifications, welding information, and production data are handled as confidential project information. NDA agreements are available for OEM cooperation.
E-MAIL:info@hms1688.com
Upload Drawing & Get a Quote
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