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Sheet Metal Fabrication

Sheet Metal Fabrication Services

We deliver one-stop comprehensive sheet metal custom services covering prototype development, low-volume trial runs and batch production. Our capabilities include laser cutting, CNC bending, punching, welding and full-range surface finishing for enclosures, equipment housings, cabinet assemblies and structural metal components.

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Process Capabilities

Jingxin Precision is equipped with advanced laser cutters, CNC press brakes, punching machines and multi-function welding equipment. We handle jobs from thin-wall precision sheet metal prototypes to heavy-duty cabinet structures. Complex forming, cut-out and welded assemblies can be completed in-house to guarantee dimensional consistency and lead-time control.

Basic Sheet Metal Processes

Extended / Precision Processes

Laser Cutting: Precision cutting for stainless steel, carbon steel, aluminum, copper and galvanized sheets. Burr-free edges for complex contours, cut-outs and custom hole patterns.

CNC Bending: Multi-angle precise forming for various fold heights and complex bent structures to satisfy assembly requirements.

Punching: High-speed punching for standard holes, slots and special cutouts, ideal for high-efficiency batch orders.

Welding & Riveting: TIG welding, spot welding, laser welding and riveting assembly. Firm joints with minimal deformation for structural integrity.

Roll Forming: Cylindrical and arc shape rolling for tubes, shells and curved housings.

Hardware Insertion: Studs, standoffs, nuts pre-installed for direct assembly.

Custom Cabinet Fabrication: Complete enclosure manufacturing including cut, bend, weld and surface treatment.

Applicable Project Stages

Sheet metal fabrication fits multiple phases of product development:

Proof of Concept

Quick sheet-metal mock-ups for internal review and appearance validation.

Functional Validation

Real-material prototypes for mechanical strength, rigidity and environmental testing.

Assembly Validation

Controlled tolerance ensures fit check, interference verification for assembled systems.

Appearance Samples

Supports powder coating, painting, anodizing and silk-screen for exhibition and marketing samples.

Small-Batch Pilot Production

Suitable for 10-500 units, no high mold cost, fast market validation.

Bridging Mass Production

Act as transitional supply while hard tooling is under development, avoid project delays.

Materials Capabilities

We have rich practical experience working with common sheet-metal grades:

Metals

Stainless steel (304, 316), carbon steel, cold-rolled steel, galvanized steel, aluminum sheets, copper, brass.

Tolerances and Surface Quality

Dimensional Tolerances

Standard tolerance: ±0.3 mm

Precision tolerance: ±0.1 mm

Critical features achievable down to ±0.05 mm

Angular Tolerance

±0.5°

Cut-out & Hole Tolerance Standard

±0.05 ~ ±0.1 mm

Surface Quality

Laser-cut raw surface: slight burrs, deburred as standard

Brushed finish: uniform satin texture

After coating: smooth, uniform protective surface

Post-treatment and Surface Finishing Services

One-stop post-processing solutions to satisfy corrosion-resistance and cosmetic requirements.

Powder Coating

Durable matte/gloss protective coating, wide color selection.

Anodizing

For aluminum parts, wear-resistant decorative finish.

Brushing & Sandblasting

Uniform matte metallic texture.

Electroplating / Zinc Plating

Anti-corrosion treatment for steel components.

Silk-Screen & Laser Marking

Logos, part numbers and technical marking.

Wet Spray Painting

Custom color painting for enclosures and housings.

Process Selection Guide

Choose Sheet Metal Fabrication when you need:

Metal enclosures, cabinets, brackets with sheet-based structures

Batch quantity from 1 to 500 units, no tooling investment

Good structural rigidity, low cost for large-size parts

Fast turnaround for metal housing prototypes

Consider CNC Machining when your parts:

Require solid-block material, 3D complex cavities and tight 3D tolerance control.

Consider 3D Printing when your parts:

Feature highly complex internal geometry and do not require sheet-metal mechanical performance.

Consider Injection Molding when you need:

Volume above 1000 pcs, fixed design for lowest per-unit cost.

Sheet Metal Design Guidelines

Optimize drawings to reduce cost and improve manufacturability:

Minimum Sheet Thickness: ≥0.5 mm (depends on material).

Minimum Bend Radius: Suggested ≥ sheet thickness to avoid cracking.

Hole Size: Hole diameter ≥ material thickness. Keep distance from bend lines.

Cutouts: Avoid sharp internal corners; add radius R0.5mm minimum.

Distance between hole and bend: Maintain enough clearance to avoid deformation.

Avoid extremely narrow tabs: Narrow strips tend to deform during bending.

Delivery Time and Logistics Services

Standard Delivery Time

Simple sheet metal parts: 3-7 business days; complex welded cabinet assemblies: 7-14 business days.

Expedited Service

Fast-track production available, shipment within 48 hours subject to drawing complexity and material stock.

International Logistics

Partner with DHL, UPS, FedEx, TNT for global door-to-door delivery.

Packaging Standards

Shock-absorbent pearl cotton + export carton / fumigation-free wooden crate for safe long-distance transit.

Quality Assurance and Testing System

Quality control is implemented throughout every process:

First Article Inspection (FAI)

Full-dimensional inspection report for the first article, covering all critical features.

In-process Inspection

Operators and quality inspectors periodically sample and inspect critical dimensions during processing.

Final Inspection

Precise verification of all critical dimensions using a coordinate measuring machine (CMM).

Auxiliary Inspection Equipment

Roughness tester, 2.5D image measuring instrument, roundness tester, height gauge, thread gauge / plug gauge.

Material Traceability

Original-manufacturer material certificates (Mill Cert) and heat-treatment reports are available.

DFM Feedback (Free)

A professional manufacturability analysis report is provided during the quotation stage.

Quality System and Certification

ISO 9001:2015 Quality Management System Certification.

IATF 16949:2016 Quality Management System Certification.

ISO 14001 Environmental Management System (Optional/Validation).

All testing equipment is regularly calibrated by third-party metrology to ensure data accuracy.

ISO 9001 Certificate

ISO 14001

CE Rohs

Typical Industry Applications

New Energy

(energy storage cabinet, new-energy charging pile shell, photovoltaic bracket, battery structural parts)

Industrial Automation

(equipment guards, machine brackets, automation equipment housings, sheet metal frames)

Electrical & Telecommunications

(electrical control cabinet, server chassis, distribution box, communication equipment enclosures)

Machinery & Equipment

(machine tool accessories, instrument base, mechanical housing, custom sheet metal brackets)

Security System

(outdoor protection cabinet, monitoring device housing, access-control enclosures)

Logistics & Warehouse

(AGV housing, sorting machine sheet metal parts, logistics equipment structural components)

Ready To Work With Us?

If you have any enquiries, please feel free to reach out to us.

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Shenzhen Jingxin Precision Technology Co., Ltd.

LYF@xjingxin.com

+86 28456129

+44 074 4462 9011

+86 135 0156 7685

No. 68, Dacaopu Second Road, Pinghu Subdistrict, Longgang District, Shenzhen City, Guangdong Province, P.R.China

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