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Stage Catalog - National Aperture Inc. - #49

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MM-4M-EX and MM-4M-R
MM-4M-EX, 80 TPI Lead Screw, 13mm mtr, 50 enc. *lines/mtr rev
Linear Motion:
Resolution1
Max Travel Inch/s
0.302
0.097
0.062
0.030
0.025
0.016
0.010
0.006
0.0036
0.0027
0.0015
0.0009
0.0007
Rate2 mm/s
7.67
2.4
1.5
0.78
0.64
0.41
0.25
0.16
0.092
0.069
0.039
0.023
0.018
Gearhead Ratio
14:1 43:1 66:1 134:1 159:1 246:1 415:1 592:1 989:1 1,526:1 2,608:1 4,365:1 5,647:1
Actual Gear Ratio
13.795918367:1 42.920634921:1 66.220408163:1 133.530864198:1 159.419501134:1 245.961516035:1 415.429355281:1 592.129575640:1 988.891428571:1
1,525.718204082:1
2,625.740771277:1 4,385.142457309:1
5,666.953329446:1
Inch/count
4.5303 x 10-6 1.4562 x 10-6 0.9438 x 10-6 0.4681 x 10-6 0.3920 x 10-6 0.2541 x 10-6 0.1504 x 10-6 0.1056 x 10-6 0.0632 x 10-6 0.0410 x 10-6 0.0238 x 10-6 0.0143 x 10-6 0.0110 x 10-6
mm/count
0.1151 x 10-3 0.0370 x 10-3 0.0240 x 10-3 0.0119 x 10-3 0.0096 x 10-3 0.0065 x 10-3 0.0038 x 10-3 0.0027 x 10-3 0.0016 x 10-3 0.0010 x 10-3 0.0006 x 10-3 0.0004 x 10-3 0.0003 x 10-3
Rotary Motion: MM-4M-R, 90:1 Worm Drive Ratio 13mm mtr, 50enc. *lines/mtr rev
Resolution1
Max Travel Ra
rhead Ratio
Actual Gear Ratio
Degree/count
arc-s/count
Degree/s
14:1
13.795918367:1
1.44970 x 10-3
5.2189
96.63
43:1
42.920634921:1
0.46598 x 10-3
1.6775
31.00
66:1
66.220408163:1
0.30202 x 10-3
1.0873
20.09
134:1
133.530864198:1
0.14978 x 10-3
0.5392
9.90
159:1
159.419501134:1
0.12546 x 10-3
0.4516
8.36
246:1
245.961516035:1
0.08131 x 10-3
0.2927
5.36
415:1
415.429355281:1
0.04814 x 10-3
0.1733
3.18
592:1
592.129575640:1
0.03378 x 10-3
0.1216
2.18
989:1
988.891428571:1
0.02022 x 10-3
0.0728
1.361
1,526:1
1,525.718204082:1
0.01311 x 10-3
0.0472
0.90
2,608:1
2,625.740771277:1
0.00762 x 10-3
0.0274
0.54
4,365:1
4,385.142457309:1
0.00456 x 10-3
0.0164
0.27
5,647:1
5,666.953329446:1
0.00353 x 10-3
0.0127
0.23
Notes:
1) The lead values shown above in both travel rate and resolution calculations, are for 80 (1/80) thread per Inch (TPI) leadscrews. For a 40 TPI leadscrew, substitute 0.025 inch lead.
2) Max travel rate calculated with motor armature running at a maximum speed of20,000 RPM
*The resultant quadrature output is equal to 64 encoder counts per motor armature revolution. (mtr rev)
Travel rate calculations:
Output Shaft RPM Distance per minute
Distance per second Distance in millimeter Distance in micrometer
Conversion:
1 inch (in.)
1 inch (in.)
1 millimeter (mm)
1 micrometer (urn)
1 degree
1 arc-s
= RPM of motor / Gearhead Ratio = Output shaft RPM x Lead (0.0125 inch, 0.03175mm) = Distance per minute/60 = inch/39.37 X 103 = inch/39.37 x 106
= 25.4 mm = 25,400um = 39.37 x 103 inch
= 39.37 x 10-6 inch
= 3,600 arc-s
= 0.277 x 10-3 degree
The information contained in this data sheet is subject to change without notice. Critical dimensions or specifications should be verified with our technical support staff.
National Aperture, Inc. - 16 Northwestern Dr. - Salem, N.H. 0307M810 - Tel. (800) 360^598 - (603) 893-7393 - FAX (603) 893-7857 - www.natlonalaperture.com/www.nalmotlon.com
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