View Full Version : Linear and Rotary Motion


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  1. What size ball screw ???
  2. thk blocks and rail question
  3. acme 2 start rod vrs. gear up box on z axis
  4. Skate Bearing Blocks -- a journey with RTV
  5. Simple skate bearing design. Will it work?
  6. Backlash free rotary table
  7. fixed screw vertical movement
  8. vbearings
  9. looking for a linear motor
  10. Typical values needed to calculate cnc drive train mechanics
  11. Stepper Motor Closed Loop System?
  12. Interesting rotary to linear action
  13. What do you think of this machine?
  14. 6 axle with 2 motors
  15. Skate Bearing Blocks?
  16. 6' 20mm ballscrews...
  17. Ballscrew Advice?
  18. 20mm Round Rail Strength??
  19. Mixing Preloaded&Standard linear trucks on same rail -pros and cons ?
  20. Opposing torque Rack & Pinion anti-backlash system?
  21. Number of threads per inch in ballscrews
  22. Linear Motor Axis Drives
  23. design of a feed drive for an NC lathe
  24. Impact of gantry weight on inertia of screw driven ?
  25. Teflon ( PTFE ) Nut for CNC... Any reviews?
  26. which matieral for shaft
  27. splicing timing belts
  28. Doubt And Questions On Acme Screw Thread Efficiency
  29. Need help with X screw whipping
  30. Bellows / Boots
  31. Try again, please help me ID MAE motor
  32. Ballnut Orientation
  33. MAE stepper motor ID
  34. Boring out an XL pulley.
  35. hydrostatic bearings
  36. linear slide question
  37. Linear Scales Basics
  38. Help with rotary table
  39. I need help with Rotary encoders
  40. SKF Linear Guiderail on Roland EGX-300 Engraver
  41. Belt drive how to construct ?
  42. TKH rails: Using 1 bearing block per rail?
  43. Rotary table or deviding head
  44. Drill THK Rails? (searched already)
  45. Bent linear rails - opinions ? Help !
  46. Ballscrew from Ebay, what to check first ?
  47. Looking to learn how to use eccentric bushings for v-wheels.
  48. Laser inteferometer in feedback loop
  49. New CNC build, help needed dimensioning axis
  50. cable drive
  51. BALLSCREW ground 10/2 preloaded 100 dollar
  52. Stepper shaft adapters
  53. 35mm rods (60" long) for X-axis gantry support
  54. Rotary Motion (Klinger)
  55. THK Linear Bearing Clean-Up
  56. rotary encoder help
  57. Anyone know about IVT Vgroove slides for 80/20?
  58. Dutcher Saw V wheels
  59. THK KX ballscrew from Thai ebay seller -any good?
  60. Newbie Question: hand-cranked Z-Axis for 200lb load
  61. Unknown brand linear slides
  62. will a 25mm linear bearing work on a 1" shaft
  63. Source for wormgear system-building rotary stage
  64. Calculating torque
  65. 25mm lead THK ground leadscrew - ditch or keep?
  66. Need some help finding worm gear oil
  67. linear rail hsr45
  68. 'bearing wheels' for my axis?
  69. Motor to leadscrew coupling help
  70. SS
  71. Stepper Power Question
  72. Automation Motor Help.
  73. Kerk vs Roton vs McMasterCarr Lead Screws
  74. Correct term for a variable diameter cable drive spool?
  75. Sourcing acme screws from junk
  76. You Gotta See This
  77. Retro-fitting Denford Veicroy X-slide with ball screw??
  78. dual driven raack and pinion
  79. refilling ballscrew or linear bearing ?!?
  80. Help with linear Z motion
  81. Question: Motor Power Basics
  82. Rack and Pinon Help Simple Question
  83. How do I cut a ballscrew?
  84. Axis rebuild on lathe
  85. Tapped Nylon Spacers as Lead Screw Nuts
  86. Looking to buy preloaded ballnut, where?
  87. Stepper/Soleniod/Linear actuator ??
  88. Sources for timing belts, pullies, etc?
  89. What is this mechanism? Help Please.
  90. double v
  91. Timing Belts
  92. Just throwing this out there (tuning setup)
  93. Can't find a 17Mx1.0 nut for ballscrew end
  94. Need supplier for *precision* crossed roller slide rails or other suggestion...
  95. Any info on these linear profile rails?
  96. Four Carriages on Two 15mm Rails or a Single Carriage on a Single 45mm Rail ???
  97. Need a little help with PU and PD !
  98. Need the name of this screw.
  99. How encoder strips help us???
  100. permanent magnet planar motor
  101. UHMW alternative?
  102. rolamite
  103. Did my best to preload ballnut, but no success.
  104. Can a linear slide be rigid enough?
  105. theory of machines
  106. Fixed Bearing w/ Belleville washers
  107. Source for timing belts & pulley's
  108. Abba linear Blocks
  109. Ron Steele's Mini Lathe CNC Conversion Lead Screw
  110. What size is CNC fusion thomson ballnut balls?
  111. need your help
  112. Aligning Motor to Shaft Question
  113. Where to buy threaded rod
  114. Steps per Inch / mm
  115. Grease Zerk For THK bearing block.
  116. How to calculate belt step.
  117. Annealing ball screws?
  118. dual vertical acme screw / single motor
  119. screw thread mounting without machined ends
  120. Bearing pad profile
  121. Thompson End Block Tech Specs
  122. Drive Screw Components / Setup
  123. Axis R ready to rock!
  124. Trying to find ballscrew to stepper couplers. Metric to Imperial?
  125. Cold rolled steel, flats or square for use as rails.
  126. Need some reference design for a quick and dirty belt driven linear feeder
  127. Build For Speed with Rack and Pinion
  128. HiWin Glides
  129. small cnc router
  130. Need help building table
  131. Are anyone familiar with these linear actuators??
  132. cnc gantry runout
  133. Need help with a rotory spindle..please
  134. Need Design Help
  135. Need ideas/advice to kickstart me.
  136. New to forum with a homemade bearing idea for the group
  137. Belt drive rotary axis.
  138. Belt vs. threaded drive
  139. Rack & Pinion Calculation
  140. Plastic bearings in Ball Nut???
  141. Magnetically levitated bed/table
  142. Rack Spur Motor Sizing help
  143. CNC Belt Lengths
  144. Newby ballscrew Q? Teach lathes.
  145. ROTARY MOTION
  146. stepper shaft to threaded rod - HELP!
  147. Can worn out balls in THK bearing block be replaced ?
  148. linear feeders
  149. Lead / Ball screw stop
  150. THK BK-15
  151. New[ish] bearing slide idea
  152. Couple questions linear shafting
  153. Best belt drive ever! (If I do say so myself)
  154. CNC Problem
  155. Rack Confusion
  156. Nexen Roller Pinion Drive
  157. Low Cost Steel Shafting
  158. ball screw problem
  159. Not exactly DIY ballscrew: ServoNut
  160. Lead Screws
  161. Opinions wanted: Granite milling machine configuration.
  162. Need to refill a linear bearing (lost my balls)
  163. End Supports and Couplings
  164. coarse pitch ball screws
  165. how to figure force?
  166. Cats cradle anyone?
  167. Need Help identifying the manufacture of this extruded rail
  168. Mcmaster antibacklash nuts?
  169. end blocks
  170. Source for angular contact bearings for ball screws
  171. Mounting rails on glass - how flat is glass?
  172. Acme Delrin nut source
  173. When mounting a ballnut, set-screw or lock-tite?
  174. Has anyone uses Linear motors, or linear steppers?
  175. Ball Screws
  176. brands vs quality of ball screws
  177. Lead Screw Max Length?
  178. Cable Chains
  179. DIY acme die / tap
  180. Kevlar for acme nuts?
  181. 5/8" acme anti-backlash leadnuts
  182. Rack and Pinion question
  183. CNC Fusion Deluxe X3 Ball Nut Issue
  184. THK Ballscrews
  185. Ballscrew thrustbearing support?
  186. Timing Belt Design
  187. Linear bearing grease
  188. Rails for my NSK LH35 trucks.
  189. Motor gearing and screw pitch?
  190. I WANT to backdrive a ballscrew
  191. Self leveling Epoxy for making linear rail mounting surfaces
  192. Anti-backlash rotary joint existance
  193. Metric to inch and adding belt
  194. max length of ballscrew
  195. Ballnut from plastic, worth to try?
  196. BALL SCREW TO MOTOR and bearing Question
  197. ballscrew repair
  198. pitted ball screw
  199. HSR TYPE RAILS CARRIAGES-used condition issue?
  200. N00b question about EBay item
  201. IKO issues
  202. Idea for a small router
  203. ballscrew sizing question
  204. A/C Spindle bearings and Linear rail lubrication?
  205. Missing specs. on parts.
  206. Linear bearing blocks not sliding between tracks
  207. 3/4" thompson rail and 7" thompson bearing
  208. My Skateboard Bearings system design
  209. Gas Shock Question
  210. Rack and Pinion
  211. Triple Machined Tongue & Grooved Tee Rail
  212. Need help with linear motion
  213. Can someone tell me what size and kind this screw is...
  214. thk rails and loads from different directions
  215. Gas spring force, series vs parallel
  216. Ball Screw Errors
  217. Roton Ball Screws - End Support?
  218. Need Help/Advise on belt drive and pulleys
  219. Assemble linear-actuator using off-the-shelf parts for < $600?
  220. accuracy
  221. Need help identifying this belt
  222. How to Lube Ball Screw?!?!
  223. theory on lead screws/stepper motors etc
  224. more questions on rack n pinion
  225. THK rsr 15 rails and carriages
  226. Thread Wear Issues
  227. Guide Cam followers
  228. where to buy linear bushings?
  229. ballscrew question
  230. connecting screw to servo help
  231. Threaded rod vs. Gear Rack
  232. ballscrew vs rack advice
  233. Linear Actuators
  234. Igus TR12 trapezoidal spindle specs
  235. How To Install Angular Contact Bearing on Ballscrew.
  236. HDPE Bearings
  237. Help Finding Bearing Oil Seal
  238. Which belt material?
  239. Need ballscrew advice please
  240. How to machine ends of linear guide rails.
  241. ballscrew Kuroda preload diy
  242. ballscrew preload disk
  243. ballscrew suggestion
  244. lead screw prep and maintenance
  245. to gear or not to gear
  246. Problems with ball screws and nuts.
  247. WarnerBallScrews
  248. please explain
  249. Problems Locating Lead Screw Supplier
  250. NSK linear spares - source? Or what type of bearings?
  251. picking the best linear rail
  252. Z-axis - mounting rails on spindle side, rather than tower side
  253. ballnut ball replacement?
  254. What type of round stock linear rails
  255. THK Online Store
  256. Fixed endsupports
  257. Looking for ball bearing suppliers for my ballscrews
  258. Installinng ballscrews
  259. Motor selection and acceleration/ramping
  260. Ball screws, backlash is BAD! rebuild? run it? nut 101
  261. Linear Rails - What is the problem
  262. HELP! Need datasheet for aliencnc 4axis stepperboard
  263. HELP: RUNOUT IN BALL SCREW
  264. The Forces
  265. Rack - Mount and align
  266. UHMW for ACME Nut?
  267. How to Attach linear slide to 8020
  268. Did I screw up linear slide purchase?
  269. need help with linear rail choice.
  270. 1.5" unsupported linear rails.
  271. slide and ballscrew assy concept ( what do you think )
  272. Will this be an Anti-backlash ball screw system?
  273. Need ABC's of screws
  274. Dont know which size ball to use to preload ballnut
  275. New balls for screw rod ?
  276. Ballscrew
  277. Alternate name for spline/screw
  278. Rail profiles?
  279. Offsize precision shafting
  280. Wrong Ballscrew Size?
  281. How to mount bearings?
  282. Skateboard Bearings
  283. Z axis on SCARA Robots?
  284. structural aluminum
  285. angular contact bearings, or not
  286. Overkill?
  287. angular contact bearings ( 8mm id )
  288. Linear Guides
  289. Bearing help Please
  290. How to set up two screws for my X axis
  291. timing belt for x axis
  292. Question about Linear Rails Sizing
  293. 8020 vs pipe for rails?
  294. one servo/stepper TWO ballscrews?
  295. hiwin cad details
  296. supplier for linear rails
  297. Prefered budget linear motion system?
  298. Timing belts and pulleys?
  299. hiwin guide blocks and rails
  300. Synchronous toothed belts info