Stamping Process Evaluation
Applicable materials: Suitable for various metal sheets, strips, and stamping forming materials such as carbon steel, stainless steel, aluminum alloy, copper alloy, galvanized sheet, cold-rolled sheet, pickled sheet, etc.
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Product Introduction
Scope of evaluation
Applicable materials: Suitable for various metal sheets, strips, and stamping forming materials such as carbon steel, stainless steel, aluminum alloy, copper alloy, galvanized sheet, cold-rolled sheet, pickled sheet, etc.
Applicable objects: covering automotive stamping parts, home appliance casings, hardware structural parts, electronic stamping parts, molds, stamped parts, and various cold stamped components.
Applicable scenarios: Used for stamping process scheme verification, mold design rationality evaluation, sheet metal forming performance evaluation, stamping part quality acceptance, process parameter optimization, stamping defect analysis, and batch production stability evaluation.
Evaluate the project
Stamping performance evaluation: including tensile, bending, flanging, bulging, reaming, deep drawing performance evaluation, and forming limit diagram (FLD) analysis.
Dimensional accuracy and positional tolerance evaluation: Inspection and evaluation of the external dimensions, hole positions, flatness, perpendicularity, rebound amount, etc. of stamped parts.
Surface quality evaluation: Inspection and evaluation of surface roughness, scratches, strains, wrinkles, cracks, burrs, deformations, orange peel and other defects.
Material stamping adaptability evaluation: analysis of sheet elongation, hardening index n value, thickness anisotropy coefficient r value, and matching between yield and tensile strength.
Reasonability evaluation of process parameters: evaluation of the adaptability of process parameters such as edge pressure, stamping speed, stroke, clearance, lubrication method, and heat treatment status.
Mold condition evaluation: evaluation of mold wear, deformation, centering, blade sharpness, unloading and guiding reliability.
Stamping defect determination and analysis: determination of the causes of defects such as cracking, wrinkling, rebound, burrs, distortions, strains, and dimensional deviations.
Batch forming stability and qualification rate evaluation: comprehensive evaluation of continuous stamping consistency, scrap rate, and process reliability.
Evaluation standards
GB/T 15825.1-8 Test Method Series for Forming Performance of Thin Metal Plates
GB/T 30592-2014 Dimensional tolerances for stamped parts
GB/T 24175-2009 Determination of Tensile Strain Hardening Index (n-value) for Thin Plates and Strips of Metallic Materials
GB/T 24176-2009 Determination of plastic strain ratio (r value) for thin sheets and strips of metallic materials
GB/T 16743-2018 Steel Plates and Strips for Stamping
JB/T 10610-2006 Basic Terminology of Stamping Process
JB/T 9175-2013 Precision Punching Parts Process Elements
QB/T 4473-2013 General Technical Requirements for Metal Stamping Parts
was established in 2011. As a national high-tech enterprise recognized by the Zhejiang Provincial Higher People's Court as a judicial authentication institution for construction engineering quality, we specialize in structural performance testing and safety assessment of construction projects, special equipment, communication towers, electromagnetic environments, large bridges, and building safety appraisal.
The company has more than 100 professional and technical personnel, over 90% of whom hold various medium and senior technical certificates. Equipped with complete testing equipment worth over RMB 10 million, our business scope covers the whole country.
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