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A-29
Appendices
A p p e n d i x E
Linear Slide Option
Features
• Screwdrivenslideofferingexceptionallinearspeed,accuratepositioningandlonglifeatacompelling
value
• Highbidirectionalrepeatabilityofupto50micro-inches(1.25microns)
• Positionalleadaccuracyof0.0006"/in.–accuraciesto0.0001"/in.available
• Linearspeedsnotlimitedbycriticalscrewspeed
• Standardleads:
- 0.10" travel per revolution - 0.50" travel per revolution
- 0.20" travel per revolution - 1.00" travel per revolution
• Achievespeedsthatexceed60.0"/secondwhileofferingexcellentrepeatability,accuracyandaxial
stiffness
• Optionalsensorflagkitavailableforhome,limitsandgeneralpurposeinputs
• Assemblyincludesaprecisionaluminumguideandcarriagewhichisdrivenbyaprecisionrolled
stainless steel lead screw
• SlidingcontactareascoatedwithTFE(Teflon)permanentlubricationtoofferalow0.09coefficientof
friction
• Exceptionaltorsionalstiffnessandstability
• Standardlengthsfrom12.0"to42.0",longersizesavailableuponrequest
• Comesstandardwithwear-compensating,anti-backlashdrivencarriage
• Additionalpassivecarriagesorslidesavailabletosupportcantileveredloads
• Easilymountablewithprovidedmountingflangeandholes
• Extrusionsprovidedforsensormounts
MDrive34Plus Linear Slide
†
Speed/Force correlating equations:
Axial Force = F
friction
+ F
acceleration
+ F
gravity
F
friction
= (Weight)(0.09)
F
acceleration
= (Weight)(Acceleration) / Accel. of gravity
F
gravity
= 0 for horizontal application and 1 Weight for vertical application
1
Torque =
Force in lbs; Torque in oz-in, Lead in inches/rev
(0.393)(Screw Efficiency)
(Axial Force)(Screw Lead)
2
Lead in inches/rev; Velocity in inches/second
Full Steps (200 Full Steps/Rev)(Velocity)
Second Lead
=
3
Figure E.1: Speed Force Limitations
Speed-Force Limitations
†
100
90
80
70
60
50
40
30
20
10
0
0
5
10
15 20
25 30 35 40 45 50
44
89
133
178
222
267
356
400
445
311
Axial Force in N
(127)
(254)
(381) (508)
(635) (762) (889) (1016) (1143)(1270)
Axial Force in lbs
1.00" Screw Lead
0.50" Screw Lead
0.20" Screw Lead
0.10" Screw Lead
V Inches / sec (mm / sec)
Speed-Torque Curves
Figure E2: MDrive34Plus Speed Torque Curves
900
1000
800
700
600
500
400
300
200
100
0
0 1000
(300)
2000
(600)
3000
(900)
4000
(1200)
5000
(1500)
6000
(1800)
7000
(2100)
Speed in Full Steps per Second (RPM)
Torque in Oz - In
T
orque in N - cm
465
494
423
706
635
353
282
211
140
71
45VDC
75VDC
24VDC
C
B
A
C
B
A
Single Stack
Double Stack
Triple Stack