Dongguan Changdong Tool & Die Co., Ltd. provides bracket fabrication for custom steel brackets, automotive supports, mounting brackets, reinforcement parts and industrial sheet metal assemblies. Our services cover DFM review, stamping die design, progressive or transfer stamping, welding, riveting, tapping and final assembly.
Founded in 2012, Changdong operates a 4,000 m² manufacturing facility with more than 80 employees. We support precision bracket projects with selected feature tolerances down to 0.03 mm, fabricated part sizes up to approximately 1,200 mm and stamping dies up to 4,200 mm in length, subject to drawing, material and process review.
Year Established
Manufacturing Area
Employees
Selected Feature Tolerance
Maximum Part Size
Maximum Die Length
Bracket fabrication is the process of converting sheet metal into mounting, supporting, reinforcing or connecting components. A fabricated bracket may require blanking, piercing, bending, forming, drawing, tapping, welding, riveting or assembly. For medium- and high-volume production, stamped brackets are commonly manufactured with progressive, transfer or single-operation dies to achieve repeatable dimensions and lower unit cost.
Bracket manufacturing is not limited to cutting and bending a piece of sheet metal. The appropriate fabrication route depends on bracket size, material strength, annual volume, tolerance, number of formed features and whether secondary joining or assembly is required.
Changdong reviews each project to determine whether the bracket should be produced with progressive stamping, transfer stamping, a single-operation die or a combined process. Existing examples include precision metal stamping bracket parts, stamped pressing brackets and custom stamped metal bracket parts.
| Manufacturing Method | Suitable Brackets | Main Advantages | Engineering Focus |
|---|---|---|---|
| Progressive Die Stamping | Small and medium brackets with multiple holes, bends, tabs and formed features | High production speed, repeatability and lower unit cost in volume | Strip layout, carrier strength, pilots, springback and station balance |
| Transfer Die Stamping | Larger, deeper or more complex brackets requiring independent part transfer | Supports complex forming sequences and larger part geometry | Transfer timing, grip locations, draw control and part stability |
| Single-Operation Stamping | Lower-volume brackets, large supports and flexible production programs | Lower tooling complexity and easier process adjustment | Operation sequence, locating, handling and tolerance stack-up |
| In-Die Tapping | Brackets requiring threaded holes for direct assembly | Reduces separate tapping operations and handling | Thread size, pilot hole, tap synchronization and chip control |
| Welding and Riveting | Multi-piece brackets, reinforcement assemblies and structural supports | Combines multiple stamped components into a functional assembly | Distortion, joint strength, fixture design and positional accuracy |
| Final Assembly | Brackets supplied with fasteners, inserts, rivets or mating components | Reduces customer-side processing and simplifies the supply chain | Assembly sequence, poka-yoke, torque and final inspection |
A bracket may appear geometrically simple, but production risk often comes from tolerance relationships between holes, bends and mounting surfaces. Springback can change angles, welding can distort hole positions, and riveting can create stack-up variation. Reliable bracket fabrication therefore requires the stamping, joining and inspection plans to be developed as one coordinated process rather than as isolated operations.
Fabricated brackets are used to locate, connect, reinforce, suspend or protect other components. Their geometry varies from simple L-shaped supports to large multi-piece automotive structures.
Used to mount modules, motors, sensors, lamps, electronics, covers and mechanical equipment.
Supports for chassis, engine systems, electrical modules, interiors, bumpers and structural assemblies.
Strengthen joints, panels, housings and loaded areas while distributing force through the assembly.
Mounting and grounding components for enclosures, wiring, terminals, control modules and power equipment.
Sheet metal supports used inside ovens, washing machines, HVAC units and other household equipment.
Multi-piece supports combining stamped plates, reinforcements, nuts, pins or additional formed parts.
Automotive examples include an engine bracket metal stamping part, an automotive stamped metal bracket and other automotive bracket stamping parts.
Material selection affects bracket strength, weight, corrosion resistance, springback, weldability and tooling wear. Common bracket programs typically use sheet thicknesses from approximately 0.5 to 6.0 mm. This is a reference range rather than an absolute manufacturing limit; every project must be reviewed according to material grade, bracket size, forming depth, hole geometry and press requirements.
| Material | Typical Use | Fabrication Considerations |
|---|---|---|
| Low-Carbon Steel | General mounting brackets, equipment supports and welded assemblies | Good forming and welding characteristics; final corrosion protection must match the application |
| High-Strength Steel | Automotive structural supports and load-bearing reinforcement brackets | Higher springback, greater forming force and increased tooling wear |
| Stainless Steel | Corrosion-resistant supports, appliance brackets and visible assemblies | Work hardening, galling, surface protection and springback must be controlled |
| Galvanized Steel / SGCC | Housings, appliance supports, electrical equipment and industrial brackets | Coating damage, flaking, weld areas and surface appearance require attention |
| Aluminum | Lightweight supports, electronic equipment and mobility applications | Alloy, temper, surface marking, bend radius and joining method must be reviewed |
The 0.5–6.0 mm range describes common bracket projects. Feasibility for thinner, thicker or high-strength material depends on part geometry, press force, die structure, blank size, bend length and required production rate. Final capability is confirmed after DFM review.
Early DFM review helps reduce tooling corrections, part distortion and secondary processing. The following features have a direct effect on bracket cost and process stability.
| Design Factor | Why It Matters | Recommended Review |
|---|---|---|
| Hole-to-Edge Distance | Insufficient distance can cause distortion, tearing or weak material around the hole | Review hole diameter, material thickness, edge condition and nearby bends |
| Bend Radius | Small radii can create cracks, excessive thinning or unstable springback | Match the inside radius to material grade, thickness and rolling direction |
| Hole Position After Bending | Springback and bend variation can shift mounting-hole relationships | Define functional datums and inspect the bracket in its formed condition |
| Flatness and Mounting Surfaces | Distortion can prevent correct installation or create assembly stress | Identify critical seating surfaces and allow suitable restrike or calibration |
| Threaded Features | Thread engagement depends on thickness, extrusion height and assembly load | Review tapped holes, extruded holes, weld nuts or inserted fasteners |
| Weld and Rivet Locations | Joining can introduce heat distortion, local deformation and positional stack-up | Design fixtures, joining sequence and inspection datums together |
| Burr Direction | Burrs may affect assembly, cable routing, safety or mating surfaces | Specify functional burr direction and allowable burr height on the drawing |
Changdong manages bracket projects from drawing review through tooling, sample approval and production preparation. The exact workflow depends on whether the bracket requires a progressive die, transfer die, single-operation tooling or a welded and riveted assembly.
Review the 2D drawing, 3D model, material, thickness, annual volume, tolerance, surface requirements and assembly function.
Evaluate bend sequence, holes, ribs, flanges, springback, joining operations and whether progressive, transfer or single-operation tooling is most suitable.
Develop strip layout or transfer sequence, die structure, punches, inserts, forming sections, pilots, sensors and replaceable wear components.
Produce die plates and precision components using CNC machining, WEDM, grinding, fitting and in-house die assembly.
The target lead time for the first T0 sample is approximately 35 days after final drawing release, subject to bracket complexity, material availability and die size.
Review dimensions, angles, flatness, holes, burrs, welds, rivets and assembly fit, then complete tooling adjustments until the approved sample requirements are achieved.
Finalize inspection standards, work instructions, maintenance points, fixtures, packaging and process control requirements.
| Project Metric | Changdong Capability | Important Qualification |
|---|---|---|
| First T0 Sample | Target approximately 35 days | Starts after drawing, material and technical requirements are released |
| T0 Sample Qualification Rate | 98% internal project metric | Results depend on part complexity, material variation and final acceptance criteria |
| Approved OK Sample Conformity | 100% after correction and validation | Evaluated against the agreed drawing and approved inspection standard |
Keeping key processes in one manufacturing system helps reduce handoff errors and improves feedback between tooling, stamping, joining and inspection teams.
DFM, process planning, strip layout, die design and tooling modification.
Precision manufacturing of die plates, inserts, punches and forming components.
Tool fitting, alignment, press trial, sample measurement and correction.
In-house joining for multi-piece brackets and reinforcement assemblies.
In-house riveting of stamped components, reinforcements and attached hardware.
In-die or secondary tapping for brackets requiring threaded assembly features.
In-house assembly of stamped brackets, fasteners, rivets and mating components.
In-house TD surface treatment for selected die wear components and tooling applications.
Related processes can be reviewed through Changdong’s pages on in-die tapping for stamped parts and transfer die stamping with integrated riveting.
Larger brackets require more than additional press force. Blank handling, die deflection, locating strategy, transfer clearance, formed-part extraction and dimensional inspection all become more important as part size increases.
| Capability | Available Range | Engineering Conditions |
|---|---|---|
| Fabricated Bracket Size | Up to approximately 1,200 mm | Depends on geometry, depth, material, press route and handling method |
| Stamping Die Length | Up to approximately 4,200 mm | Depends on die type, station count, press bed and project specification |
| Precision Feature Tolerance | Down to approximately 0.03 mm on selected features | Not a universal whole-part tolerance; subject to material, feature and process capability |
Bracket inspection must focus on functional relationships, not only individual dimensions. Hole patterns, mounting surfaces, bend angles, weld locations and threaded features must work together within the customer’s assembly.
| Quality Check | What Is Verified | Common Risk Controlled |
|---|---|---|
| Dimensional Inspection | Hole position, width, height, angle, profile and datum relationships | Assembly mismatch and mounting misalignment |
| Flatness and Profile | Mounting surfaces, warped areas and formed-part profile | Rocking, assembly stress and inconsistent fit |
| Burr and Edge Inspection | Burr height, sharp edges, crack initiation and cut quality | Safety problems, poor assembly and premature fatigue |
| Thread Inspection | Thread size, engagement, position and gauge acceptance | Fastener failure or difficult assembly |
| Weld and Rivet Inspection | Joint location, attachment, deformation and assembly strength | Loose joints, distortion and positional shift |
| Assembly Verification | Presence, orientation, sequence and functional fit of components | Missing components and incorrect assembly |
Inspection resources can include conventional gauges, optical measurement and CMM dimensional measurement. Tolerance requirements should also be reviewed against the guidance in the metal stamping tolerance guide.
Changdong combines stamping die manufacturing with bracket production and secondary assembly. This allows tooling corrections, part feedback and joining-process adjustments to be coordinated within the same project team.
Established in 2012 with more than 80 employees and a 4,000 m² facility.
Die design, machining, assembly, tryout and bracket manufacturing are reviewed as one process.
Welding, riveting, tapping and assembly can be completed within the factory.
Support for parts up to approximately 1.2 m and stamping dies up to approximately 4.2 m.
Target approximately 35 days to the first T0 tool-trial sample after technical release.
T0 qualification and final OK sample validation are managed against agreed drawing requirements.
More information about the manufacturing organization is available on the Changdong company profile and stamping die manufacturing equipment pages.
Bracket fabrication converts steel, stainless steel, galvanized steel, aluminum or other sheet materials into mounting and support components. Production may include progressive stamping, transfer stamping, single-operation forming, tapping, welding, riveting and assembly.
Changdong was established in 2012 and operates a 4,000 m² facility with more than 80 employees. The company supports selected stamping tolerances down to 0.03 mm, part sizes up to approximately 1,200 mm and die lengths up to approximately 4,200 mm, subject to engineering review.
The target lead time for a first T0 tool-trial sample is approximately 35 days. Welding, riveting, tapping and assembly are completed in-house, while TD surface treatment is available for selected tooling components.
2D drawing, 3D model, revision status, datums and critical dimensions.
Material grade, thickness, mechanical properties and required certification.
Prototype quantity, annual volume, batch size and expected program life.
Welding, riveting, tapping, fasteners, inserts and final assembly requirements.
Inspection standard, functional gauges, PPAP level and sample approval requirements.
Required T0 date, production schedule, packaging and final delivery destination.
Bracket fabrication is the manufacturing of metal mounting or support components through operations such as blanking, piercing, bending, forming, tapping, welding, riveting and assembly.
The best process depends on size, geometry, tolerance and production volume. Progressive dies are efficient for repeatable high-volume brackets, while transfer or single-operation dies can be more suitable for large, deep or lower-volume parts.
Common materials include low-carbon steel, high-strength steel, stainless steel, galvanized steel, SGCC and aluminum. Final material selection depends on strength, corrosion, weight, joining and forming requirements.
Common bracket projects typically use approximately 0.5–6.0 mm sheet. The actual supported thickness depends on material grade, bracket geometry, forming depth, die type and press requirements.
Selected precision features may be controlled down to approximately 0.03 mm when geometry, material and process conditions permit. Whole-part tolerances must be evaluated from the drawing and functional datums.
Changdong can review fabricated bracket projects up to approximately 1,200 mm in overall size and stamping dies up to approximately 4,200 mm in length, subject to geometry and process evaluation.
The target is approximately 35 days to the first T0 tool-trial sample after final drawings and technical requirements are released. Complex dies, special material or large tooling may require additional time.
Yes. Changdong can complete welding, riveting, tapping and final assembly in-house for applicable bracket projects. TD surface treatment is also available in-house for selected tooling components.
Provide a 2D drawing, 3D model, material grade, thickness, annual volume, tolerances, joining requirements, surface requirements, inspection standard and target sample date.
Send your 2D drawing, 3D model, material, thickness, tolerance, annual volume and secondary-operation requirements. Changdong can review the bracket for progressive stamping, transfer stamping, single-operation tooling, welding, riveting, tapping and assembly.
The engineering team can support DFM, stamping die development, T0 sample production, correction and approved sample validation.
Contact Changdong for Bracket ReviewChangdong is good at making metal stamping dies up to 4.2 meters, also we produce small size metal stamping toolings. The company manages the complete stamping die program from the CAE Simulation, layout designs and stamping tooling designs, and finish the machining to tryout and home line tryout to your hands. Meanwhile, the company produces the prototyping parts and stamping parts range from 45-880T. The successful cases include: stamping tools of Leoni connectors, automotive stamping dies of PSA P8 & B618, metal stamping toolings of Cummins exhaust pipe assembly, automobile stamping dies of NISSAN H60B projects, and stamping tools of car audio system, Canon printers, refrigerators, ovens and washing machines and so on.If you need metal stamping dies ,stamping parts or metal prototypings,
Email to us: sales@chang-dong.com
Dongguan Changdong Tool & Die Co., Ltd. provides bracket fabrication for custom steel brackets, automotive supports, mounting brackets, reinforcement parts and industrial sheet metal assemblies. Our services cover DFM review, stamping die design, progressive or transfer stamping, welding, riveting, tapping and final assembly.
Founded in 2012, Changdong operates a 4,000 m² manufacturing facility with more than 80 employees. We support precision bracket projects with selected feature tolerances down to 0.03 mm, fabricated part sizes up to approximately 1,200 mm and stamping dies up to 4,200 mm in length, subject to drawing, material and process review.
Year Established
Manufacturing Area
Employees
Selected Feature Tolerance
Maximum Part Size
Maximum Die Length
Bracket fabrication is the process of converting sheet metal into mounting, supporting, reinforcing or connecting components. A fabricated bracket may require blanking, piercing, bending, forming, drawing, tapping, welding, riveting or assembly. For medium- and high-volume production, stamped brackets are commonly manufactured with progressive, transfer or single-operation dies to achieve repeatable dimensions and lower unit cost.
Bracket manufacturing is not limited to cutting and bending a piece of sheet metal. The appropriate fabrication route depends on bracket size, material strength, annual volume, tolerance, number of formed features and whether secondary joining or assembly is required.
Changdong reviews each project to determine whether the bracket should be produced with progressive stamping, transfer stamping, a single-operation die or a combined process. Existing examples include precision metal stamping bracket parts, stamped pressing brackets and custom stamped metal bracket parts.
| Manufacturing Method | Suitable Brackets | Main Advantages | Engineering Focus |
|---|---|---|---|
| Progressive Die Stamping | Small and medium brackets with multiple holes, bends, tabs and formed features | High production speed, repeatability and lower unit cost in volume | Strip layout, carrier strength, pilots, springback and station balance |
| Transfer Die Stamping | Larger, deeper or more complex brackets requiring independent part transfer | Supports complex forming sequences and larger part geometry | Transfer timing, grip locations, draw control and part stability |
| Single-Operation Stamping | Lower-volume brackets, large supports and flexible production programs | Lower tooling complexity and easier process adjustment | Operation sequence, locating, handling and tolerance stack-up |
| In-Die Tapping | Brackets requiring threaded holes for direct assembly | Reduces separate tapping operations and handling | Thread size, pilot hole, tap synchronization and chip control |
| Welding and Riveting | Multi-piece brackets, reinforcement assemblies and structural supports | Combines multiple stamped components into a functional assembly | Distortion, joint strength, fixture design and positional accuracy |
| Final Assembly | Brackets supplied with fasteners, inserts, rivets or mating components | Reduces customer-side processing and simplifies the supply chain | Assembly sequence, poka-yoke, torque and final inspection |
A bracket may appear geometrically simple, but production risk often comes from tolerance relationships between holes, bends and mounting surfaces. Springback can change angles, welding can distort hole positions, and riveting can create stack-up variation. Reliable bracket fabrication therefore requires the stamping, joining and inspection plans to be developed as one coordinated process rather than as isolated operations.
Fabricated brackets are used to locate, connect, reinforce, suspend or protect other components. Their geometry varies from simple L-shaped supports to large multi-piece automotive structures.
Used to mount modules, motors, sensors, lamps, electronics, covers and mechanical equipment.
Supports for chassis, engine systems, electrical modules, interiors, bumpers and structural assemblies.
Strengthen joints, panels, housings and loaded areas while distributing force through the assembly.
Mounting and grounding components for enclosures, wiring, terminals, control modules and power equipment.
Sheet metal supports used inside ovens, washing machines, HVAC units and other household equipment.
Multi-piece supports combining stamped plates, reinforcements, nuts, pins or additional formed parts.
Automotive examples include an engine bracket metal stamping part, an automotive stamped metal bracket and other automotive bracket stamping parts.
Material selection affects bracket strength, weight, corrosion resistance, springback, weldability and tooling wear. Common bracket programs typically use sheet thicknesses from approximately 0.5 to 6.0 mm. This is a reference range rather than an absolute manufacturing limit; every project must be reviewed according to material grade, bracket size, forming depth, hole geometry and press requirements.
| Material | Typical Use | Fabrication Considerations |
|---|---|---|
| Low-Carbon Steel | General mounting brackets, equipment supports and welded assemblies | Good forming and welding characteristics; final corrosion protection must match the application |
| High-Strength Steel | Automotive structural supports and load-bearing reinforcement brackets | Higher springback, greater forming force and increased tooling wear |
| Stainless Steel | Corrosion-resistant supports, appliance brackets and visible assemblies | Work hardening, galling, surface protection and springback must be controlled |
| Galvanized Steel / SGCC | Housings, appliance supports, electrical equipment and industrial brackets | Coating damage, flaking, weld areas and surface appearance require attention |
| Aluminum | Lightweight supports, electronic equipment and mobility applications | Alloy, temper, surface marking, bend radius and joining method must be reviewed |
The 0.5–6.0 mm range describes common bracket projects. Feasibility for thinner, thicker or high-strength material depends on part geometry, press force, die structure, blank size, bend length and required production rate. Final capability is confirmed after DFM review.
Early DFM review helps reduce tooling corrections, part distortion and secondary processing. The following features have a direct effect on bracket cost and process stability.
| Design Factor | Why It Matters | Recommended Review |
|---|---|---|
| Hole-to-Edge Distance | Insufficient distance can cause distortion, tearing or weak material around the hole | Review hole diameter, material thickness, edge condition and nearby bends |
| Bend Radius | Small radii can create cracks, excessive thinning or unstable springback | Match the inside radius to material grade, thickness and rolling direction |
| Hole Position After Bending | Springback and bend variation can shift mounting-hole relationships | Define functional datums and inspect the bracket in its formed condition |
| Flatness and Mounting Surfaces | Distortion can prevent correct installation or create assembly stress | Identify critical seating surfaces and allow suitable restrike or calibration |
| Threaded Features | Thread engagement depends on thickness, extrusion height and assembly load | Review tapped holes, extruded holes, weld nuts or inserted fasteners |
| Weld and Rivet Locations | Joining can introduce heat distortion, local deformation and positional stack-up | Design fixtures, joining sequence and inspection datums together |
| Burr Direction | Burrs may affect assembly, cable routing, safety or mating surfaces | Specify functional burr direction and allowable burr height on the drawing |
Changdong manages bracket projects from drawing review through tooling, sample approval and production preparation. The exact workflow depends on whether the bracket requires a progressive die, transfer die, single-operation tooling or a welded and riveted assembly.
Review the 2D drawing, 3D model, material, thickness, annual volume, tolerance, surface requirements and assembly function.
Evaluate bend sequence, holes, ribs, flanges, springback, joining operations and whether progressive, transfer or single-operation tooling is most suitable.
Develop strip layout or transfer sequence, die structure, punches, inserts, forming sections, pilots, sensors and replaceable wear components.
Produce die plates and precision components using CNC machining, WEDM, grinding, fitting and in-house die assembly.
The target lead time for the first T0 sample is approximately 35 days after final drawing release, subject to bracket complexity, material availability and die size.
Review dimensions, angles, flatness, holes, burrs, welds, rivets and assembly fit, then complete tooling adjustments until the approved sample requirements are achieved.
Finalize inspection standards, work instructions, maintenance points, fixtures, packaging and process control requirements.
| Project Metric | Changdong Capability | Important Qualification |
|---|---|---|
| First T0 Sample | Target approximately 35 days | Starts after drawing, material and technical requirements are released |
| T0 Sample Qualification Rate | 98% internal project metric | Results depend on part complexity, material variation and final acceptance criteria |
| Approved OK Sample Conformity | 100% after correction and validation | Evaluated against the agreed drawing and approved inspection standard |
Keeping key processes in one manufacturing system helps reduce handoff errors and improves feedback between tooling, stamping, joining and inspection teams.
DFM, process planning, strip layout, die design and tooling modification.
Precision manufacturing of die plates, inserts, punches and forming components.
Tool fitting, alignment, press trial, sample measurement and correction.
In-house joining for multi-piece brackets and reinforcement assemblies.
In-house riveting of stamped components, reinforcements and attached hardware.
In-die or secondary tapping for brackets requiring threaded assembly features.
In-house assembly of stamped brackets, fasteners, rivets and mating components.
In-house TD surface treatment for selected die wear components and tooling applications.
Related processes can be reviewed through Changdong’s pages on in-die tapping for stamped parts and transfer die stamping with integrated riveting.
Larger brackets require more than additional press force. Blank handling, die deflection, locating strategy, transfer clearance, formed-part extraction and dimensional inspection all become more important as part size increases.
| Capability | Available Range | Engineering Conditions |
|---|---|---|
| Fabricated Bracket Size | Up to approximately 1,200 mm | Depends on geometry, depth, material, press route and handling method |
| Stamping Die Length | Up to approximately 4,200 mm | Depends on die type, station count, press bed and project specification |
| Precision Feature Tolerance | Down to approximately 0.03 mm on selected features | Not a universal whole-part tolerance; subject to material, feature and process capability |
Bracket inspection must focus on functional relationships, not only individual dimensions. Hole patterns, mounting surfaces, bend angles, weld locations and threaded features must work together within the customer’s assembly.
| Quality Check | What Is Verified | Common Risk Controlled |
|---|---|---|
| Dimensional Inspection | Hole position, width, height, angle, profile and datum relationships | Assembly mismatch and mounting misalignment |
| Flatness and Profile | Mounting surfaces, warped areas and formed-part profile | Rocking, assembly stress and inconsistent fit |
| Burr and Edge Inspection | Burr height, sharp edges, crack initiation and cut quality | Safety problems, poor assembly and premature fatigue |
| Thread Inspection | Thread size, engagement, position and gauge acceptance | Fastener failure or difficult assembly |
| Weld and Rivet Inspection | Joint location, attachment, deformation and assembly strength | Loose joints, distortion and positional shift |
| Assembly Verification | Presence, orientation, sequence and functional fit of components | Missing components and incorrect assembly |
Inspection resources can include conventional gauges, optical measurement and CMM dimensional measurement. Tolerance requirements should also be reviewed against the guidance in the metal stamping tolerance guide.
Changdong combines stamping die manufacturing with bracket production and secondary assembly. This allows tooling corrections, part feedback and joining-process adjustments to be coordinated within the same project team.
Established in 2012 with more than 80 employees and a 4,000 m² facility.
Die design, machining, assembly, tryout and bracket manufacturing are reviewed as one process.
Welding, riveting, tapping and assembly can be completed within the factory.
Support for parts up to approximately 1.2 m and stamping dies up to approximately 4.2 m.
Target approximately 35 days to the first T0 tool-trial sample after technical release.
T0 qualification and final OK sample validation are managed against agreed drawing requirements.
More information about the manufacturing organization is available on the Changdong company profile and stamping die manufacturing equipment pages.
Bracket fabrication converts steel, stainless steel, galvanized steel, aluminum or other sheet materials into mounting and support components. Production may include progressive stamping, transfer stamping, single-operation forming, tapping, welding, riveting and assembly.
Changdong was established in 2012 and operates a 4,000 m² facility with more than 80 employees. The company supports selected stamping tolerances down to 0.03 mm, part sizes up to approximately 1,200 mm and die lengths up to approximately 4,200 mm, subject to engineering review.
The target lead time for a first T0 tool-trial sample is approximately 35 days. Welding, riveting, tapping and assembly are completed in-house, while TD surface treatment is available for selected tooling components.
2D drawing, 3D model, revision status, datums and critical dimensions.
Material grade, thickness, mechanical properties and required certification.
Prototype quantity, annual volume, batch size and expected program life.
Welding, riveting, tapping, fasteners, inserts and final assembly requirements.
Inspection standard, functional gauges, PPAP level and sample approval requirements.
Required T0 date, production schedule, packaging and final delivery destination.
Bracket fabrication is the manufacturing of metal mounting or support components through operations such as blanking, piercing, bending, forming, tapping, welding, riveting and assembly.
The best process depends on size, geometry, tolerance and production volume. Progressive dies are efficient for repeatable high-volume brackets, while transfer or single-operation dies can be more suitable for large, deep or lower-volume parts.
Common materials include low-carbon steel, high-strength steel, stainless steel, galvanized steel, SGCC and aluminum. Final material selection depends on strength, corrosion, weight, joining and forming requirements.
Common bracket projects typically use approximately 0.5–6.0 mm sheet. The actual supported thickness depends on material grade, bracket geometry, forming depth, die type and press requirements.
Selected precision features may be controlled down to approximately 0.03 mm when geometry, material and process conditions permit. Whole-part tolerances must be evaluated from the drawing and functional datums.
Changdong can review fabricated bracket projects up to approximately 1,200 mm in overall size and stamping dies up to approximately 4,200 mm in length, subject to geometry and process evaluation.
The target is approximately 35 days to the first T0 tool-trial sample after final drawings and technical requirements are released. Complex dies, special material or large tooling may require additional time.
Yes. Changdong can complete welding, riveting, tapping and final assembly in-house for applicable bracket projects. TD surface treatment is also available in-house for selected tooling components.
Provide a 2D drawing, 3D model, material grade, thickness, annual volume, tolerances, joining requirements, surface requirements, inspection standard and target sample date.
Send your 2D drawing, 3D model, material, thickness, tolerance, annual volume and secondary-operation requirements. Changdong can review the bracket for progressive stamping, transfer stamping, single-operation tooling, welding, riveting, tapping and assembly.
The engineering team can support DFM, stamping die development, T0 sample production, correction and approved sample validation.
Contact Changdong for Bracket ReviewShenzhen Changdong Stamping Dies CO., LTD. © copyright Add：NO. 56-B, Fuming South Road, Dalang, Dongguan, P.R.C
E-mail：sales@chang-dong.com Tel：0086-769-8106 1256 0086-189 2949 4380 Sales Manager: Ms. Alice Fax：0086-769-8106 1926
Changdong is one of professional metal stamping die maker in China more than 10 years. We provide metal stamping dies to the customers in 16 countryies.
The company makes the progressive dies and transfer dies. As a stamping die manufacturer, also we provide the prototype dies and metal prototype parts for the short-run production.
Our main products: Stamping Die | Drawn Die | Metal Stampings | Checking Fixture | Progressive Die | Transfer Die | Metal Prototypes | Metal Stamping Tools| Prototype Parts | Prototype Die
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