Rotabroach COMMANDO40/3 - CUTTER SELECTION AND SPEEDS

Issue 1 Original Version October 2014
20
18) CUTTER SELECTION AND SPEEDS
Possible speed selection for mild steel with ideal conditions at 30 M/min.
Speed selector
position.
Cutter diameter
Nominal RPM
1
40
270
2
32
330
3
24
400
4
19
470
5
16
570
6
14
610
This data is presented for guidance only, and should be adjusted to suit site and material
condition.
Material
Material Hardness
Cutter
Mild and free cutting steels
<700N/mm²
RAP or RAPL
Mild and free cutting steels
<850N/mm²
SRCV or SRCVL
Steel angle and joists
<700N/mm²
RAP or RAPL
Steel angle and joists
<850N/mm²
SRCV or SRCVL
Plate and sheet steel
<700N/mm²
RAP or RAPL
Plate and sheet steel
<850N/mm²
SRCV or SRCVL
Aluminium
<750Nmm²
RAP or RAPL
Aluminium
<850N/mm²
SRCV or SRCVL
Brass
<700N/mm²
RAP or RAPL
Brass
<850N/mm²
SRCV or SRCVL
Cast iron
<700N/mm²
RAP or RAPL
Cast iron
<850N/mm²
SRCV or SRCVL
Stainless steel
<700N/mm²
RAP or RAPL
Stainless steel
<850N/mm²
SRCV or SRCVL
Stainless steel
>850N/mm²
CWC to CWCX
Rail track
>850N/mm²
SCRWC or SCRWCL
Tool steel
>850N/mm²
CWC to CWCX
Die Steel
>850N/mm²
CWC to CWCX