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Reamers - Core drills

Reamers - Core drills
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Reamers - Core drills

Product catalog summary
Introduction
This document offers comprehensive specifications and guidelines for reamers and core drills, classified under Tools Group 4. It covers various reamer types, including left-hand spiral with right-hand cut and straight flute reamers, all constructed from K10 micrograin carbide, adhering to specific tolerances and standards.

Specifications
The document details different reamer types:
  • Left-hand spiral, right-hand cut (Type B) with tolerance H7, DIN 8093, and uneven indexing.
  • Straight flute reamers (Type A) with similar specifications.
  • Right-hand spiral, right-hand cut (Type C) with internal norms.

Geometry and Tolerances
It provides information on reamer geometry, including angles such as rake on diameter, secondary rake angle, phase width, internal rake angle, helix angle, frontal rake angle, and rake angle on chamfer. The document also describes the uneven division of cutting edges.

Cutting Speeds and Feed Rates
Tables present cutting speeds (Vc) in meters per minute and revolutions per minute (n) for various diameters, along with formulas for calculation:
  • Vc (m/min) = Dc (mm) x 3.14 x n (min-1) / 1000
  • n (min-1) = Vc (m/min) x 1000 / (Dc (mm) x 3.14)
Feed rates (f) are also provided for different materials and cooling mediums.

Manufacturing Tolerances
The document specifies main manufacturing tolerances according to DIN 1420, detailing upper and lower tolerances for nominal diameters in micrometers across various tolerance classes (A, B, C, D, E, F, G, H, J, K, M, N, P).

Conclusion
This technical document acts as a thorough guide for selecting and using reamers and core drills, offering essential specifications, geometrical details, and operational parameters to ensure precision and efficiency in machining processes.
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Catalog excerpts

Reamers - Core drills-1

Alesatori - Allargatori Reamers - Core drills

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Indice Index Utensili gruppo 4: Alesatori - Allargatori

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Alesatori: geometria - tolleranze e divisione taglio Reamers: geometry - tolerances and division of cutting edges Tagliente principale Main cutting edge α0 = angolo di spoglia inferiore Smusso Rake on diameter Chamfer αp = angolo di spoglia tagliente secondario sul diametro Secondary rake angle on diameter bα = larghezza fase cilindrica Phase width γ0 = angolo di spoglia superiore Internal rake angle γf = angolo dell’elica Helix angle γp = angolo di spoglia superiore sul diametro Frontal rake angle xr = angolo dello smusso Rake angle on chamfer divisione di taglio irregolare uneven division of...

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Velocita di taglio Vc (m/min) - Numero di giri n (min-1) Cutting speeds Vc (m/min) - Revolution per minute n (min1)Formule di calcolo: Velocita di taglio Vc (m/min) - Numero di giri n (min-1) Calculation formula: Cutting speed Vc (m/min) - Revolution per minute n (min-1)Vc (m/min ) = _ Dc (mm) x 3,14 x n (min-1) 1000 n ( min'1) Vc (m/min) x 1000 Dc (mm) x 3,14 Dc

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Alesatori: velocità di taglio Vc (m/min) - velocità di avanzamento f (mm) Reamers: Cutting speed Vc (m/min) - Feed rate f (mm) Gruppo Refrigerante Dc (mm) Diametro Materiali ◊ Vc Dc (mm) Diameter Material Cooling (m/min) 2,00 3,00 4,00 5,00 6,00 8,00 10,00 12,00 14,00 16,00 20,00 group medium f (mm) Alluminio - Leghe d’alluminio - Rame - Leghe di rame - Magnesio luminium - Alu-alloys - Copper - Copper alloys - Magnesium A V C V C VC CerAI CerAI CerAI Plastiche - Plastiche rinforzate con fibre - Materiali non ferrosi Plastics - Reinforced plastic fibers - Non ferrous materials Allgemeine Stahlwerkstoffe...

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Alesatori: velocita di taglio Vc (m/min) - velocita di avanzamento f (mm) Reamers: Cutting speed Vc (m/min) - Feed rate f (mm) Gruppo Materiali Material group Refrigerante Cooling medium Acciai resistenti alia corrosione e agli acidi - Acciai inossidabili Stainless steels Refrigerante 0 = secco 1 = emulsione 2 = olio 3 = aria Cooling medium 0= Dry 1= Emulsion 2= oil 3 = air

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Principali tolleranze costruttive - Norma DIN 1420 Main manufacturing tolerances - DIN 1420 0 nominale 0 nominal di in mm Tolleranza superiore e inferiore del diametro nominale d1 in micron Upper and lower tolerances nominal diameter d1 in micrometers

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Principali tolleranze costruttive - Norma DIN 1420 Main manufacturing tolerances - DIN 1420 Ø nominale Ø nominal Tolleranza superiore e inferiore del diametro nominale d1 in micron Upper and lower tolerances nominal diameter d1 in micrometers Tolleranza superiore e inferiore del diametro nominale d1 in micron Upper and lower tolerances nominal diameter d1 in micrometers

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SPIEGAZIONE PITTOGRAMMI (SIMBOLI) ICONS DESCRIPTION Qualità metallo duro Carbide grade Lunghezza utensile Tool length Esecuzione utensile secondo norma interna Cutting edge design acc. to internal standard Utensile tipo A Tool length Norma interna (WN) lunga Internal standard long Utensile tipo A Tool type A Dimensioni secondo DIN 8093 Dimensions acc. to DIN 8093 Utensile tipo B Tool type B Fori di lubrificazione a elica Spiral coolant ducts Utensile tipo C Tool type C Fori di lubrificazione diritti centrale Straight centric coolant duct Fori di lubrificazione diritti Straight coolant ducts Lavorazione...

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Alesatori ad elica sinistra e taglio destro - tipo B Tipo di metallo duro K10 - micrograna - DIN 8093 (212) - divisione irregolare - tolleranza H7 Reamers left hand spiral - right hand cut - Type «B» Tolerance H7 - DIN 8093 (212) - Uneven indexing - K10 - Micrograin carbide Settori d'impiego / Range of application A: Leghe Leggere / Light alloys A1.1-1.7 A2.1-2.7 A3.1-3.2 A4.1-4.2 D: Acciai inossidabili / Stainless Steel D1.1-1.5 F: Ghise / Cast irons F1.1-1.5 F2.1-2.4 □ Rivestimento su richiesta □ Coating upon request. Per i parametri di lavoro vedere pagina 271

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Alesatori ad elica sinistra e taglio destro - tipo B Tipo di metallo duro K10 - micrograna - DIN 8093 (212) - divisione irregolare - tolleranza H7 Reamers left hand spiral - right hand cut - Type «B» Tolerance H7 - DIN 8093 (212) - Uneven indexing - K10 - Micrograin carbide Settori d'impiego / Range of application A: Leghe Leggere / Light alloys A1.1-1.7 A2.1-2.7 A3.1-3.2 A4.1-4.2 D: Acciai inossidabili / Stainless Steel D1.1-1.5 F: Ghise / Cast irons F1.1-1.5 F2.1-2.4 □ Rivestimento su richiesta □ Coating upon request. Per i parametri di lavoro vedere pagina 271 For working-parameters see page...

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Alesatori a tagliente diritto - tipo A Tipo di metallo duro K10 - micrograna - tolleranza H7 - DIN 8093 (212) - divisione irregolare Straight flute reamers - Type «A» Tolerance H7 - K10 - Micrograin carbide - DIN 8093 (212) - Uneven indexing Settori d’impiego / Range of application A: Leghe Leggere / Light alloys A1.1-1.7 A2.1-2.7 A3.1-3.2 A4.1-4.2 C: Acciai / Steels C1.1-1.8 C2.1-2.4 D: Acciai inossidabili / Stainless Steel D1.1-1.5 E: Titanio / Titanium E1.1-1.3 E2.2 F: Ghise / Cast irons F1.1-1.5 F2.1-2.4 Rivestimento su richiesta Coating upon request. 278 Per i parametri di lavoro vedere...

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Alesatori ad elica sinistra e taglio destro - tipo B Tipo di metallo duro K10 - micrograna - tolleranza H7 Reamers left hand spiral - right hand cut - Type «B» Tolerance H7 - K10 - Micrograin carbide - Internal norm Settori d'impiego / Range of application A: Leghe Leggere / Light alloys A1.1-1.7 A2.1-2.7 A3.1-3.2 A4.1-4.2 C: Acciai / Steels C1.1-1.8 C2.1-2.4 C3.1 C4.1-4.2 D: Acciai inossidabili / Stainless Steel D1.1-1.5 E: Titanio / Titanium E1.1-1.3 E2.2 F: Ghise / Cast irons F1.1-1.5 F2.1-2.4 □ Rivestimento su richiesta □ Coating upon request. Per i parametri di lavoro vedere pagina 271 For...

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Alesatori ad elica sinistra e taglio destro - tipo C Tipo di metallo duro K10 - micrograna - tolleranza H7 Reamers right hand spiral - right hand cut - Type «C» Tolerance H7 - K10 - Micrograin carbide - Internal norm □ Rivestimento su richiesta □ Coating upon request.Per i parametri di lavoro vedere pagina 271 For working-parameters see page 271 280

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