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5 luglio 2017

Lame Circolari

Focalizzati nella costante ricerca e sviluppo di nuovi acciai che possano migliorare le caratteristiche di durata e resistenza nelle diverse applicazzioni,le nostre lame vengono prodotte con gradi diversi di precisione e finitura per poter garantire il massimo delle performance sulla tipologia di materiale da tagliare.

Trattamenti termici sottovuoto di alta qualita’ esaltano le performance e la durata delle lame.

I parametri piu’ importanti per una lama sono:

  • Massima resistenza del filo tagliente
  • Adeguata tenacita’
  • Massima resistenza alle scheggiature
  • Tolleranze ristrette sul spessore, planarita’ e parallellismo

Emmebi puo’ produrre lame fino a 600mm di diametro esterno con finitura rettificata e fino a 420mm di diametro esterno con finitura Lappata.

 

Toughness Wear Resistance Graph

Commody used Knife grades for different applications:

Tool Materials Applications
AISI-D3/1.2080 Thin gauge of ferrous and non-ferrous materials
AISI-D2/1.2379 Medium gauge mild steel and thin gauge stainless steel,silicon steel, heat treated steel and thick gauges of non ferrous

AISI-H13(M)/1.2345

&AISI-H13/1.2344

Heavy gauges of stainless steel and mild steel, structural steel with high hardness where toughness is important
DIN 1.2990 Structural steel, constructional steel (with high manganese and carbon content). High Strength Material upto 1600MPa, Heat Treatable steel
DIN 1.2714 Medium and heavy gauge slitting but medium degree of toughness is required
DIN 1.2694/HPS Extra thin gauges of the very hard material like hardened stainless steel
AISI-MS/1.3343 (H.S.S.) Thin and extra thin gauges: for narrow and tight slitting with high quality of slit edge
PM Grades ASP23, 30 Better life (2x-3x) compared to Conventional HSS
Carbide CRGO, thin gauges of high tensile materials, very high tonnage between 2 regrinds

Achievable manufacturing tolerances on Knives & Metal Spacers:

OD Precision Grade Extra Precision Grade
Thickness Fatness (Within) Thickness Flatness (Within)
(in mm) Tolerance T≤2 2<T≤5 T>5 Tolerance 2<T≤5 T>5
Upto 255 ±0.003 0.1 0.040 0.010 ±0.001 0.020 0.00
255≤D≤365 ±0.004 0.1 0.050 0.015 ±0.001 0.030 0.005
365≤D<435 ±0.005 0.1 0.060 0.020 ±0.003 0.040 0.006
Above 435 ±0.006 0.1 0.070 0.025 ±0.004 0.050 0.010

General Bore Tolerance: G6, G7, H7, F7, F8

General OD Tolerance: 0/-0.02mm

*Any special tolerance for parallism, flatness and bore can be made as per customer requirement

**All the dimensions are in mm