A-29
Appendices
Appendix 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 F
orce in N
(127) (254) (381) (508) (635) (762) (889) (1016) (1143) (1270)
Axial F
orce 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
45 VDC
75 VDC
24 VDC
C
B
A
C
B
A
Single Stack
Double Stack
Triple Stack
Содержание MDrive34Plus
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