Laser Cutting and One-Stop Sheet Metal Fabrication

Description

Product Introduction

Laser Cutting from Hehua Machinery Technology (Kunshan) Co., Ltd. is part of a one-stop sheet metal fabrication service covering laser cutting, CNC bending, stamping, welding, riveting, grinding, straightening, surface treatment and assembly.

The service is designed for custom sheet metal components, enclosures, cabinets, chassis, brackets, guards and other structural parts. Materials include cold rolled steel, galvanized steel, stainless steel, aluminum, copper and other listed sheet metal materials, with processable thicknesses from 0.5 mm to 12 mm.

From prototype development and small-batch trial production to mass production, the service supports customers through multiple stages of sheet metal manufacturing. Integrated processing of sheet metal structural parts and machined parts is also available according to project requirements.

Key Features

One-Stop Sheet Metal Fabrication

The full-process service covers:

• DFM process optimization

• Fiber laser cutting

• CNC turret punching

• CNC bending

• Servo bending

• Sheet metal stretch forming

• Rolling and edge curling

• Riveting and self-clinching

• Rivet nut installation

• TIG/MIG welding

• Grinding and deburring

• Straightening

• Custom fixture fabrication

• Surface treatment

• Final assembly

This integrated processing capability supports projects from prototype making and small-batch production to mass production.

Precision Laser Cutting

Fiber laser cutting is used for sheet metal contour processing and precision structural components. The stated laser cutting dimensional tolerance is ±0.03 to ±0.05 mm, depending on the processing requirement.

The process can be applied to complex and special-shaped sheet metal contours, precision structural parts and standard sheet metal components.

Wide Material Compatibility

The sheet metal fabrication service supports multiple material types, including:

• Cold rolled steel SPCC

• Galvanized steel SGCC/SECC

• 304/316 stainless steel sheet

• Aluminum alloy sheet

• Aluminum sheet

• Copper sheet

• Electrolytic plate

• Galvalume steel sheet

Processable material thickness ranges from 0.5 mm to 12 mm.

CNC Bending and Forming

CNC bending and servo bending processes are available for multi-bend structural parts and formed sheet metal components. Bending springback can be evaluated and optimized during the process to support dimensional consistency in production.

Welding and Assembly

TIG/MIG welding, riveting, self-clinching, rivet nut installation and sheet metal assembly are available for structural components and welded assemblies.

Full-Range Surface Treatment

Available finishing processes include:

• Sandblasting

• Wire drawing

• Polishing

• Mirror treatment

• Black oxide

• Anodizing

• Electrophoresis

• Dacromet

• Electrostatic powder coating

• Liquid painting

• Galvanizing

• Nickel plating

• Passivation

• Lamination and film pasting

Surface treatment can be selected according to appearance, corrosion resistance, wear resistance and insulation requirements.

Sheet Metal Processing Specifications

Item	Capability
Processing Type	Custom sheet metal fabrication
Laser Cutting	Fiber laser cutting
Material Thickness	0.5–12 mm
Laser Cutting Tolerance	±0.03–±0.05 mm
CNC Bending Tolerance	±0.05–±0.1 mm
Bending Angle Tolerance	±0.5°
Forming Flatness	≤0.02 mm/100 mm
Welded Assembly Tolerance	±0.1–±0.3 mm
Production Capacity	50,000+ sheet metal pieces/month
Prototype Lead Time	3–5 days
Simple Sheet Metal Delivery	7–10 days
Complex Precision Assembly	15–30 days

Actual processing requirements can be reviewed according to material, structure, quantity, drawings and finishing specifications.

Materials and Material Traceability

Hehua Machinery Technology (Kunshan) Co., Ltd. supports a broad range of sheet metal materials for different structural and application requirements.

For each material batch, a spectrum test report can be provided, together with material traceability records. Salt spray testing and material mechanical property test reports are available on demand.

The material range allows buyers to select suitable options for:

• Stainless steel equipment enclosures

• Aluminum sheet metal components

• Load-bearing carbon steel frames

• Galvanized outdoor sheet metal parts

• Brushed decorative sheet metal components

• Copper busbar sheet metal parts

Core Processing Capabilities

The sheet metal production process combines cutting, forming, joining and finishing operations.

Laser Cutting

Fiber laser cutting is suitable for complex sheet metal contours and precision components.

CNC Punching

CNC turret punching is available for sheet metal parts requiring punched features and repeated production.

CNC Bending

CNC and servo bending support multi-bend structural parts and precision formed components.

Welding

TIG and MIG welding are available for sheet metal assemblies and load-bearing structures.

Riveting and Fastening

Riveting, self-clinching and rivet nut installation support structural assembly requirements.

Deburring and Straightening

Deburring and straightening processes help prepare components for subsequent assembly and finishing.

Accuracy and Quality Control

The sheet metal manufacturing process includes dimensional and appearance inspections throughout production.

The stated processing standards include laser cutting tolerance of ±0.03–±0.05 mm, CNC bending tolerance of ±0.05–±0.1 mm and bending angle tolerance of ±0.5°.

For quality control, first-article CMM inspection, regular in-process inspection and 100% inspection of key bending dimensions are available. Dimension inspection reports and qualified appearance inspection certificates can be provided with shipment.

Processed surfaces are controlled for burrs, scratches and deformation. Mirror, brushed and fingerprint-free treatments are also available according to project requirements.

Drawing Compatibility and Engineering Support

The service supports mainstream 2D and 3D design formats, including:

• 2D CAD

• STEP

• IGS

• SolidWorks

• UG

Sheet metal unfolding and process optimization can be performed based on customer drawings. Reverse engineering development from physical samples is also supported.

Engineering support can include:

• Drawing review

• Bending interference evaluation

• Forming crack risk assessment

• Welding deformation evaluation

• Sheet metal structure optimization

• Lightweight design

• Mass production process optimization

• Cost-control recommendations

Drawing review can be completed within 24 hours according to the provided service information.

Quality Management

The production process follows the ISO 9001 quality management system. Quality control covers material inspection, laser cutting first-article inspection, bending inspection, welding forming inspection and final surface-treatment inspection.

Additional testing can be provided on demand for applicable components, including:

• NDT inspection

• Salt spray testing

• Coating adhesion testing

• Material mechanical property testing

Batch quality inspection certificates and records covering material, dimensions and appearance are available with products.

Production and Delivery

The production facility is equipped with high-power fiber laser cutting machines, CNC turret punching machines, CNC bending machines, rolling machines, welding stations and supporting automated sheet metal production lines.

The stated monthly sheet metal processing capacity is more than 50,000 pieces, supporting simultaneous production of multiple sets of complex sheet metal components.

Typical delivery references include:

• Simple sheet metal parts: 7–10 days

• Complex precision sheet metal assemblies: 15–30 days

• Fast prototype making: 3–5 days

• Urgent orders: Priority scheduling available

For export orders, a full set of customs clearance documents can be provided. The stated on-time delivery rate is ≥98%.

Custom OEM/ODM Service

The service supports OEM/ODM sheet metal fabrication throughout the product development and production cycle.

Customers can provide 2D drawings, 3D models or physical samples for evaluation. The engineering team can review the design and recommend suitable cutting, bending, forming, welding and finishing processes according to the part structure and production quantity.

The service can support:

• New product sheet metal prototypes

• Small-batch trial production

• Mass production

• Non-standard equipment enclosures

• Imported sheet metal part replacement

• Existing equipment part reproduction

• Product structure optimization

• Sheet metal fixture fabrication

• Custom packaging solutions

Application Areas

The sheet metal fabrication service can be used for various equipment and structural components, including:

• Industrial equipment cabinets and chassis

• Compressor enclosures

• Construction machinery sheet metal guards

• New energy equipment housings

• Hardware sheet metal brackets

• Precision instrument enclosures

• Outdoor anti-corrosion sheet metal parts

• Automation equipment structures

• Battery housings

• High-voltage equipment protection enclosures

• Medical equipment sheet metal enclosures

• Semiconductor equipment components

• Rail transit equipment components

• Other custom sheet metal assemblies

Surface Treatment Options

Different surface finishing processes can be selected according to the requirements of the finished part.

Powder coating, liquid painting, galvanizing, anodizing, electrophoresis, nickel plating, passivation, black oxide, brushing, polishing, mirror treatment and other processes are available.

For outdoor or demanding working environments, corresponding corrosion-resistant and wear-resistant surface treatment options can be evaluated according to the material and application requirements.

After-Sales Technical Support

Full-cycle technical support is available for sheet metal projects, including fixture fabrication, bending and welding process guidance, defective-part rework and straightening, mold modification, design changes and continuous process optimization.

Custom packaging solutions and sheet metal processing operation training can also be provided according to project requirements.

For after-sales support, domestic response is stated as within 24 hours, with on-site service within 72 hours. For overseas customers, remote technical support can be provided, with overseas on-site commissioning service available when required.

Company Information

Hehua Machinery Technology (Kunshan) Co., Ltd. was established in 2018 as a subsidiary of Shanghai Hehua Machinery Technology Co., Ltd., whose parent company was established in 2005.

The company operates a plant covering more than 17,800 square meters and has more than 160 employees. Its manufacturing services cover key metal parts and components for automotive, rail transit, aerospace, wind power, nuclear power, industrial machinery, semiconductor sealing and testing equipment, new energy equipment and other equipment manufacturing fields.

The company has passed ISO 9001 quality management system certification, IATF 16949 automotive quality system certification and EN 15085 rail vehicle and parts welding system certification. Its welders have also passed EN 9606-1 qualification certification.

Product Summary

Laser Cutting provides one-stop sheet metal fabrication from 0.5–12 mm, covering cutting, bending, welding, finishing and assembly.

For custom sheet metal projects requiring integrated processing, precision cutting, multiple material options and scalable production support, Hehua Machinery Technology (Kunshan) Co., Ltd. can provide a full-process fabrication service from prototype to mass production.

Laser Cutting and related sheet metal processes can be configured according to customer drawings, materials, quantities, tolerances, surface treatment and final assembly requirements.