Catalog excerpts
1-800-513-3163 www.LM76.com SPEED DEMON LINEAR ™ ROLLER SYSTEMS
Open the catalog to page 1SPEED DEMON LM76 ® SG Roller Blocks and Rail Overview -3 Roller Block SG Series offers 3, 4 and 5 roller blocks in each size allowing for 21 possibilities. Increase loading without increasing the package size! -4 Roller Block Double Row Angular Contact Bearings are grade P5+ allowing for precise, accurate travel: 0.02mm over 6 meters. -5 Roller Block Rugged Plastic End Caps house spring loaded felt wipers for protection against dust and debris. SGB Block P/N Examples: SGB20-3UU SGB20-4UU SGB20-5UU SG Rails are made from high quality, precision aluminum extrusions. Rc60 hardened shafting is...
Open the catalog to page 2SPEED DEMON LM76 OSG Roller Blocks and Rail Overview This shipping container scanner employs 28 foot OSG 40 rails. Shafting was specially coated for protection against salt air, mist and spray. The OSG SPEED DEMON makes the word simple elegant. The 4 roller block features 2 fixed rollers and 2 patented eccentric rollers. The eccentric rollers allow for preload adjustment. Rugged plastic end caps house oil filled felt wipers for protection against dust and debris.. OSG Rail Because the OSG rail is a 2 piece construction, it is easy to outfit with rc60 , 440c stainless and chrome plated...
Open the catalog to page 3Shafting available Advantages of SG and OSG SPEED DEMON linear roller and rail systems: 3. Lightweight Aluminum Extrusion Design 5. Felt Wipers Clear Shafting of Debris 6. High Speeds - Up to 10 Meters Per Second 8. Low Cost Precision Performance 9. Stock Rails-13 Feet Cut to Size 10. OSG Rails offer near seamless transitions on long (20-100 Feet) rail assemblies. 11. SG Blocks come 3,4 and 5 roller configurations allowing for higher loads without increasing Felt Wipers are oil filled and spring loaded for shaft against debris Dual angular, double row contact roller bearings are sealed for...
Open the catalog to page 4SPEED DEMON LM76 ® Load and Moment Comparative Table(SG) Type : 15N (Unit:N) Type : 15 (Unit:N) Type : 20N (Unit:N) Type : 20 (Unit:N) Type : 25 (Unit:N) Type : 35 (Unit:N) WWW.LM76.COM 1-800-513-3163 9 LM76 Linear Motion Bearings
Open the catalog to page 10SPEED DEMON LM76 Load Transmission Ability Type : 15N (Unit:N-m) Type : 15 (Unit:N-m) Type : 20N (Unit:N-m) Type : 20 (Unit:N-m) Type : 25 (Unit:N-m) Type : 35 (Unit:N-m) WWW.LM76.COM 1-800-513-3163 10 LM76 LINEAR MOTION BEARINGS ®
Open the catalog to page 11SPEED DEMON OSG LM76 ® Roller System Load and Moment Comparative Table (OSG) OSGB 20(N) OSGB 25(N) OSGB 30(N) OSGB 40(N) WWW.LM76.COM 1-800-513-3163 11 LM76 LINEAR MOTION BEARINGS
Open the catalog to page 12SPEED DEMON LM76 Load Transmission Ability (OSG) OSGB 20(N-m) OSGB 25(N-m) OSGB 30(N-m) OSGB 40(N-m) WWW.LM76.COM 1-800-513-3163 12 LM76 Linear Motion Bearings ®
Open the catalog to page 13LM76 SPEED DEMON ® SPEED DEMON Running Precision precision is not effected by system length since the bearing block has ± 3 , total running accuracy. SPEED DEMON’S M W W1 unit:mm SG OSG block C’s running straightness about “A” ± 0.02 ± 0.015 block D’s running straightness about “B” ± 0.015 ± 0.02 dimension allowed difference for SG’ all height M ± 0.15 ± 0.1 mutual difference about each block for height M ± 0.03 ± 0.025 dimension allowed difference for SG’ all width W ± 0.15 ± 0.1 mutual difference about each block for width W ± 0.03 ± 0.03 Precision Condition Precision applys over the...
Open the catalog to page 14SPEED DEMON Safe Load and Deflection per Unit Length (L=1000mm) Safety factor S=3 (S=rail'syieldstnength) (unit=kqf) WWW.LM76.COM 1-800-513-3163 <T> LM76 Linear Motion Bearings
Open the catalog to page 15SPEED DEMON LM76 ® Adjusting Running Clearance SG and OSG linear roller blocks employ eccentric rollers for adjusting clearance and frictional characteristics of the system - you can adjust the system to meet your application requirements. To make adjustments: 1. Loosen locking set screw located on the top of the eccentric bushing 2. Insert snap-ring plier ends into the two holes provided for them (see image below), turn the eccentric bushing clockwise to tighten, counterclockwise to loosen. Note: If the block is too loose, it will partially rotate one side to the other. As you force the...
Open the catalog to page 17SPEED DEMON LM76 ® Basic Face Definition For Multiple Axis Systems Generally, the side which favors the eccentric nut is the BASIC FACE. When mounting SG roller blocks on the X or lower axis - keep the basic face down (eccentric) down. On the Y axis or upper axis, the basic face should have the eccentric on the top as seen below. Mounting Parallel Rails When installing parallel rail, begin fastening the rails from the same end, leaving the opposite end free. Continue by alternating from rail-to-rail while you ensure the carriage plate is moving freely. Continue until you reach the opposite...
Open the catalog to page 18LM76 SPEED DEMON SG Roller System Installation Things to consider when installing SG style rollers and rails: Running Precision The Load and Moment Running Situation The Running Speed 1) Mounting SPEED DEMON SG Blocks and Rails: ’ When Installing SG Systems, the side having less rollers is the BASIC FACE. 1 Remove all Contamination 2 After aligning the rail and block in a BASIC FACE position, begin to fasten the rail the mounting surface 3 While mounting check to ensure proper alignment of the rail 4 After assembling BASIC RAIL, install the SGB Block (After considering the load and moment,...
Open the catalog to page 19SPEED DEMON LM76 ® SPEED DEMON Mounting/Installation Configurations using one axis Using two axes Using two lateral axes WWW.LM76.COM 1-800-513-3163 19 LM76 Linear Motion Bearings
Open the catalog to page 20LM76 SPEED DEMON ® LM76 ® is an internationally recognized designer/manufacturer of linear motion bearings, shafting and slides. LM76® Minuteman linear/rotary motion bearings surpass all published ratings for composite, self-lubricating sleeve-type linear motion bearings. Minuteman bearings are direct drop-in replacements for all standard and metric ball bushings, pillow/flange block assemblies. Special designs a specialty. LM76® Black Racer, ceramic coated linear/rotary motion bearings have set records in acceleration and system speeds over 100G’s. Black Racer linear bearings take high...
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