#1
|
|||
|
|||
data on cut disc
I tried to decipher all the data on a disc for
the angle grinder. Here is the incomplete result: #! /bin/zsh # Symbols that seem to indicate: # - use safety gloves, earmuffs, and goggles # - for cutting only # - read the manual # - don't use a broken disc (?) # - use to cut Inox or SS # EN 12413 # a DIN standard: "Safety requirements for # bonded abrasive products" # 125*2.0/1.0*22.23 # outer_diameter*thickness/inner_diameter*thickness # in mm # MAX 80 m/s # RPM 12200 # speed when disc is at 125 mm # when disc is at 22.23, speed is 14 m/s! # see program below to compute this # AS 60 T INOX - BF # INOX is again Inox/SS # the rest I don't know # Fe/S/Cl = 0.1% # Some health related chemical property? rpm2ms () { local diam=$1 # e.g., 125 mm local rpm=$2 # 12200 RPM # --------- # 80 m/s local diam_in_m=$(( $diam / 1000.0 )) local pi=3.14159265 local c=$(( $diam_in_m * $pi )) local dist_per_min=$(( $c * $rpm )) local dist_per_s=$(( $dist_per_min / 60.0 )) printf 'm/s = %.0f\n' $dist_per_s } -- underground experts united http://user.it.uu.se/~embe8573 |
Thread Tools | |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
Disc Brakes - pad touching disc | [email protected] | Mountain Biking | 2 | March 21st 06 01:41 PM |
disc brake/disc wheels options | JS | Mountain Biking | 14 | November 4th 04 06:12 PM |
WYB: **Avid** Disc Brake mech 160mm & Disc Wheelset | UltraEGG | Marketplace | 2 | May 15th 04 05:57 PM |
Fuel 90 Disc Vs. Jekyll 600 Disc Vs. NRS Disc | Dave S. | Mountain Biking | 9 | February 23rd 04 05:52 PM |
Stumpjumper FSR Disc or TREK Fuel 90 disc???? | peterjd66 | Mountain Biking | 0 | November 19th 03 11:42 PM |