Catalog: Ball Screws
Company/Brand: RBC Bearings
lead screws in Ball Screws by RBC Bearings
precision ground and rolled ball screws rbc precision ball screws offer high ... in preloaded rbc precision ball screws rbc precision ball screws are available ... from either precision ground ball screws in either inch or metric sizes ... are all available produced with short lead times to minimize downtime many ... transmissions and gear boxes · ball screws precision ground rolled ball splines ... customers high-quality repairs on all leading manufacturers ball screws the service ...
table of contents pages 1 rbc ball screws 4-5 1.1 classification of ball screws 1 ... high stiffness 2.5 high durability 2.6 lead time 8 service life 8.3 allowable load ... 25-27 2 features of rbc ball screws 9 driving torque 9.1 ball screw torque ... flow chart 4 accuracy of rbc ball screws 4.1 lead accuracy 4.2 mounting accuracy ... designs 12 rbc precision ground ball screws dimensional tables 35-55 7 ... of nut kn 7.1.4 preloading of ball screws 7.1.5 effects of preload 7.2 ... accuracy 7.2.2 specification of lead accuracy 7.2.3 countermeasure against ... return optional flange high helix-large lead 12.6 p series inch internal ball return ... miniature-fine lead 12.7 standard end journals 13 rbc ... precision rolled ball screws dimensional tables 56-63 13.1 rms ... internal ball return miniature-fine lead 13.4 standard end journals 13.5 ...
1 rbc ball screws 1.1 classification of ball screws pages ... flange rb-series high helix-large lead external ball return tube std v-thd ... optional flange p-series miniature-fine lead rolled metric series rms-series ... optional flange m-series miniature-fine lead 40-47 rbc ball screws 48-49 50-52 53 56 ...
0.5 16 20 25 28 32 36 40 45 50 55 63 80 lead in 0.375 0.400 0.100 xxxx 0.125 0.200 0 ... xxxxxx 1 1.5 2 2.5 lead mm 3 4 5 xxxxxx 6 8 10 12 xxxx 1.3 ... 500 3.000 0.0625 x 0.100 xxxxxxxxxxxxxx lead in 0.125 0.200 0.250 0.500 0.660 0.473 ... 1.000 2.000 xxxxxxx metric series od lead mm mm 10 25 5 16 x 25 x x x 40 x x 50 x ... 63 x rbc custom ground precision ball screws are available in many of the od/lead ...
play is minimized on conventional acme lead screws the drive torque becomes ... the axial play in rbc precision ball screws may be reduced to zero by preloading ... in superior durability of rbc ball screws 2.6 lead time rbc has readily available ... requirements within days custom ball screws require our industry leading 6 week ... lead time 7 ...
accuracy lubrication acceleration etc lead accuracy precision ground ball screw ... length diameter lead nut specifications stiffness of total ... fig 3.1 procedure for selecting ball screws flow chart industrial rolled ball screw ... length diameter lead 8 ...
4 accuracy of rbc ball screws 4.1 lead accuracy lead accuracy of rbc ball ... screws is specified in three basic terms c ... 2rad 2 e p e sc fig 4.1 diagram of lead accuracy table 4.1 definition of terms ... for lead accuracy term travel compensation ...
return tube type · suitable for large lead screw shaft diameter ratio ball ... outside diameter · suitable for small lead/shaft outside diameter ratio 18 ...
7.1.4 preloading of ball screws preload eliminates axial backlash and ... is standard to improve operability lead lead nut shaft fourpoint contact nut ...
preloading integral preload tension lead tension lead a lead ball nut ball ... by placing a slight shift in the lead between the two circuits 7.1.5 effects ...
accuracy error factors include lead accuracy and system stiffness thermal ... important role 7.2.2 specification of lead accuracy a accuracy grade select the ... b pre-tensioning of the ball screw lead the basic lead of a ball screw is the ... same as the nominal lead the basic lead may be set to either the minus or plus ... of lubricant · increase the ball screw lead thus reducing rotational speed b cool ...
58 62 58 62 62 64 special ball screws 440c ss,17-4 ph ss for special ... surface treatments if necessary rbc s screwshaft is heat treated using a single bar ... operating torque inlbs axial load lbs lead in normal efficiency 0.90 0.95 where ... backdriving torque inlbs axial load lbs lead in 27 ...
frictional torque inlbs preload lbs lead in preload torque coefficient normally ... moving weight lbs table workpiece lead in normal efficiency 0.90 0.95 support ...
moving weight lbs table workpiece lead in gravitational acceleration 386.4 in/ ...
thread directionrh or lh indicates iso lead accuracy class 1 0.0002 ft class 3 0. ...
12 rbc precision ground ball screws dimensional tables rbc s standard ... series for precision ground ball screws covers a wide range of ball screw ... ground series mm series is a metric lead series with an external ball return and ... nut offering im series is a metric lead series with an internal return ... are provided gn series is an inch lead series with an external ball return and ... units as standard gv series is an inch lead series with an external ball return and ... patterns shown rb series is an inch lead series designed for high speed ... such as food processing this is an inch lead series this series is a non preloaded ... series is provided with a 0.006 ft lead accuracy lead accuracies down to 0.001 ... a miniature stainless steel fine inch lead series with an internal ball return ...
model no major screw dia j ball dia lead mm a b c max defgh no of hole holes dia ...
0.1378 0.2812 0.2812 0.2812 ball dia lead mm abcd max efgh 5 5 5 5 5 10 5 10 10 ...
3750 0.1562 0.3750 0.3750 0.5000 0.5000 lead a b c max 1.025 1.062 1.025 1.187 1.187 ...
1562 0.3750 0.3750 0.1562 0.3750 0.3750 lead 0.20 0.25 0.20 0.25 0.20 0.25 0.50 0.50 ...
1562 0.3750 0.3750 0.1562 0.3750 0.3750 lead 0.20 0.25 0.20 0.20 0.25 0.20 0.25 0.50 ...
1562 0.3750 0.3750 0.1562 0.3750 0.3750 lead 0.20 0.25 0.20 0.20 0.25 0.20 0.25 0.50 ...
1.500 1.500 2.250 2.250 ball dia nut lead type a b max c d v thread form e lube ...
optional flange high helix large lead 2 start abcc 4 start a b lube fitting d ... 1875 0.1875 0.1562 0.1562 0.1875 0.1875 lead 1.000 0.500 1.000 2.000 2.000 2.000 1. ... 1875 0.1875 0.1562 0.1562 0.1875 0.1875 lead 1.000 0.500 1.000 2.000 2.000 2.000 1. ...
optional flange high helix large lead continued 2 start e swept radius for ...
optional flange high helix large lead continued a j a 30° cbfbhgdedg fig 1 ...
internal ball return miniature fine lead l2 l1 d1 d2 d3 d4 l3 d1 series p ... ref 0.217 0.217 0.326 0.467 0.451 0.701 lead rh 0.05 0.10 0.10 0.05 0.10 0.10 d2 . ...
13 rbc precision rolled ball screws dimensional tables 13.1 rms series ... .971 21.260 36.906 34.290 44.169 57.175 lead mm 5 5 10 10 25 5 10 10 10 ball dia 0. ...
375 0.375 0.375 0.375 0.375 0.375 0.500 lead 0.125 0.125 0.200 0.500 0.500 0.200 0. ...
000 2.000 2.000 2.250 2.500 2.500 3.000 lead 0.125 0.200 0.500 0.200 0.200 0.200 0. ...
internal ball return miniature-fine lead l2 l1 d1 d2 d3 d4 l3 d1 series m ... minor dia ref 0.154 0.154 0.278 0.248 lead rh 0.0500 0.0625 0.0500 0.1000 d2 .5000 ...
5 standard end journals miniature fine lead series type aa a type bb a b type cc ...
repair service rbc has repaired ball screws on the equipment of virtually every ... planning guide repair type service lead time typical pricing of new free 10- ... weeks weeks weeks warranty all ball screws are repaired by highly skilled ... all workmanship on repaired ball screws for one year 64 ...
path created by the assembly of the nut screws shaft and ball spacer ball idler a ... of a ball screw assembly lead accuracy backlash repeatability and ...
efficiency 90 95 for ball screws measured by the following criteria load ... in the range of .0025 to .0035 for ball screws full radius a ball track cross ... tracks on the screw shaft or ball nut lead the axial distance between a point on ...
leadactual the measured lead of the ball screw thread from a ... point within a specified length lead erroraccumulated the summation of ... lead error over a specified length of travel ... of the ball nut or accumulation of lead error of the threaded screw lead error ... the error in lead length per turn per inch per foot or ... overall compared to the basic lead specified life the usable life of a ... single start a ball screw having the lead equal to the pitch spring rate a ...
the total variation peak-to-peak in lead error for one revolution of the ball ...
ball nut 3 major diameter required 4 lead required rh or lh 5 lead accuracy ...
