new design / dfm review
Early manufacturability review for precision stamped parts
A stamped part can look complete on a drawing and still create problems once material behaviour, forming, tolerances, burr direction, plating, inspection, and assembly fit are introduced.
Gromax reviews new stamped-part designs before tooling release to help identify manufacturability risks, confirm process fit, and define a practical path from prototype through production.
when a
dfm review
makes sense
A New Stamped Part Is Being Designed
Early review can help identify risks before dimensions, materials, tolerances, and tooling assumptions are locked.
Prototype Parts Need to Move Into Production
Machined, laser-cut, etched, or hand-formed parts may need design changes before they can be produced consistently through stamping.
Material or Thickness Is Still Being Selected
Alloy, gauge, and temper affect formability, conductivity, spring performance, strength, corrosion resistance, finish compatibility, and cost.
The Part Has Tight or Interdependent Features
Critical dimensions, bend locations, contact geometry, flatness, coplanarity, and tolerance stack-ups may affect both tooling and final assembly performance.
Spring, Contact, or Retention Features Matter
Preload, deflection, contact force, retention, stress, and mating geometry should be reviewed together to reduce variation and premature failure.
Plating, Overmolding, or Automated Assembly Is Planned
The part may need to remain dimensionally stable through finishing, mold loading, handling, inspection, and downstream assembly.
Production Volume May Justify Dedicated Tooling
A DfM review can help determine whether prototype tooling, bridge tooling, progressive dies, carrier-strip processing, or custom gaging is the right production path.
The Drawing Is Released but Still Flexible
Practical changes made before tooling release can reduce complexity, improve repeatability, and lower long-term production risk.
parts we support
Gromax supports prototype tooling for precision stamped parts used in electromechanical, regulated, and assembly-critical products, including:
Spring Clips & Brackets
Formed parts for retention, grounding, positioning, or mechanical support.
Busbars
Conductive stampings for power distribution and high-current assemblies.
EMI/RF Shields
Stamped covers or cans that reduce electronic interference.
Stamped Inserts for Overmolding
Metal inserts designed to be molded into plastic assemblies.
Leadframes & Sensor Inserts
Precision stamped frames or inserts for electronic packages.
Wire Form Pins
Formed contacts for signal, grounding, battery, or spring-force connections.
Ultra Thin Foil
Flexible conductive components using ultra-thin foil material.
Need help with a stamped part?
what a
dfm review
can support
Part Geometry and Feature Layout
Pierces, slots, tabs, lances, embossments, coined areas, extrusions, bends, forms, and cutoff features are reviewed for stamping feasibility and tool stability.
Material, Thickness, and Temper
Material selection is reviewed against forming behaviour, springback, conductivity, strength, corrosion resistance, availability, and finishing requirements.
Bend Geometry and Springback
Bend radius, direction, flange length, grain orientation, forming sequence, and material recovery are reviewed for cracking, distortion, and dimensional variation.
Tolerances and Datums
Critical dimensions and datum schemes are reviewed against how the part will be formed, located, inspected, assembled, and used.
Burr Direction and Edge Condition
Burr orientation and edge condition are reviewed where they may affect electrical contact, insertion, sealing, overmolding, handling, or mating-part wear.
Plating and Finishing
Finish type, thickness, masking, selective plating, solderability, corrosion resistance, and post-plate handling are considered before tooling is finalised.
Carrier Strip and Part Presentation
Part presentation may be reviewed for plating, overmolding, automated assembly, inspection, reel-to-reel handling, or controlled packaging.
Inspection and Gaging
Critical features are reviewed to determine whether standard measurement, custom gaging, functional checks, force testing, or dedicated fixtures may be required.
Tooling and Production Path
Prototype tooling, bridge tooling, progressive dies, secondary operations, validation, packaging, and production timing are considered together.
Whether you are developing a new component, moving a prototype into production, or reviewing a design before tooling release, we are happy to take a look.
Do not include Controlled Unclassified Information (CUI), ITAR-controlled technical data, or EAR-controlled export-controlled information in your initial email or RFQ submission.
If your request involves export-controlled or regulated technical data, note that in your message and we’ll provide secure transmission instructions.
Export Control
& Confidentiality Notice
To comply with ITAR, DFARS, and applicable U.S. export control regulations, Gromax does not display actual customer parts, drawings, specifications, or technical data in public-facing materials.
Images shown are illustrative only and are used to represent Gromax’s design and manufacturing capabilities. They do not contain proprietary, controlled, or export-restricted information.