{"id":3110,"date":"2023-10-07T09:59:34","date_gmt":"2023-10-07T01:59:34","guid":{"rendered":"https:\/\/maxtormetal.com\/?post_type=product&p=3110"},"modified":"2026-06-22T15:46:21","modified_gmt":"2026-06-22T07:46:21","slug":"lame-de-cisaille","status":"publish","type":"product","link":"https:\/\/maxtormetal.com\/fr\/product\/shear-blade\/","title":{"rendered":"Lames de Cisaille"},"content":{"rendered":"

\u00a0<\/h4>\r\n

Lames de cisaille industrielles haute performance (Cisailles \u00e0 guillotine et cisailles volantes)<\/h2>\r\n

Con\u00e7ues pour le cisaillage de pr\u00e9cision \u00e0 froid et \u00e0 chaud de t\u00f4les et de plaques m\u00e9talliques. Ces outils utilisent des jeux physiques optimis\u00e9s para g\u00e9n\u00e9rer une contrainte de cisaillement sup\u00e9rieure \u00e0 la r\u00e9sistance au cisaillement du mat\u00e9riau, permettant d'obtenir une s\u00e9paration sans bavure ni copeau, et sans zone affect\u00e9e thermiquement (ZAT).<\/p>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
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Engineering Parameter<\/strong><\/p>\r\n<\/td>\r\n

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Cold Shearing Specification<\/strong><\/p>\r\n<\/td>\r\n

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Heavy-Duty \/ Hot Shearing Specification<\/strong><\/p>\r\n<\/td>\r\n<\/tr>\r\n

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Mat\u00e9riaux courants<\/strong><\/p>\r\n<\/td>\r\n

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D2 (1.2379), SKD11<\/p>\r\n<\/td>\r\n

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H13 (1.2344), S7<\/p>\r\n<\/td>\r\n<\/tr>\r\n

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Duret\u00e9 (HRC)<\/strong><\/p>\r\n<\/td>\r\n

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58 \u2013 62<\/p>\r\n<\/td>\r\n

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48 \u2013 58 (Application dependent)<\/p>\r\n<\/td>\r\n<\/tr>\r\n

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Rectitude<\/strong><\/p>\r\n<\/td>\r\n

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< 0.02 mm\/m<\/p>\r\n<\/td>\r\n

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< 0.05 mm\/m<\/p>\r\n<\/td>\r\n<\/tr>\r\n

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Parall\u00e9lisme<\/strong><\/p>\r\n<\/td>\r\n

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< 0.015 mm<\/p>\r\n<\/td>\r\n

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< 0.030 mm<\/p>\r\n<\/td>\r\n<\/tr>\r\n

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Edge Finish (Ra)<\/strong><\/p>\r\n<\/td>\r\n

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< 0.8 \u00b5m (Fine Ground)<\/p>\r\n<\/td>\r\n

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< 1.2 \u00b5m<\/p>\r\n<\/td>\r\n<\/tr>\r\n

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Compatible Machines<\/strong><\/p>\r\n<\/td>\r\n

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Amada, Cincinnati, Bystronic, LVD, Durma<\/p>\r\n<\/td>\r\n

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Custom Flying Shears, Scrap Shears<\/p>\r\n<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n

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Aper\u00e7u technique des lames de cisaille : La m\u00e9canique du cisaillage<\/h2>\r\n

Industrial shearing is a complex mechanical process that involves the plastic deformation and subsequent fracture of metal through the application of opposing shear forces. Unlike thermal cutting methods, shear blades provide “cold processing,” which preserves the metallurgical characteristics of the material edges.<\/p>\r\n

2.1 The Shearing Mechanism<\/h3>\r\n

The process is initiated as the upper blade descends, creating a localized stress field. When the stress exceeds the material’s ultimate shear strength, fracture occurs. The quality of this fracture is governed by the “Blade Clearance” (Gap Management). In engineering terms, this clearance typically ranges from 5% to 10% of the material thickness, depending on the material’s hardness.<\/p>\r\n

2.2 Wear Dynamics<\/h3>\r\n

Blade wear manifests in three primary stages:<\/p>\r\n

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  1. Initial Bedding-in:<\/strong> Rapid wear of microscopic grinding peaks.<\/li>\r\n
  2. Steady State Wear:<\/strong> Gradual blunting of the cutting edge radius.<\/li>\r\n
  3. Catastrophic Failure:<\/strong> Micro-chipping occurs when the edge radius exceeds critical limits (typically >0.2mm), leading to increased cutting force and thermal load.<\/li>\r\n<\/ol>\r\n
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    Applications industrielles des lames de cisaille : Analyse par secteur<\/h2>\r\n

    Shear blades are vital across diverse sectors, each presenting unique engineering constraints:<\/p>\r\n