Linear Guide Systems - 128 Pages

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Catalogue excerpts

Linear guide systems Linear and Motion Solutions

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Guide rails GU..M, GU..MT Guide Rollers RKU Guide Wheels FKU Floating Guide Rollers RKUL Lubricator LUBU Guide pins SAG Guide rails GP..MC Ground guide rails GP..M Guide Rollers PK Guide Wheels FK Guide Rollers GC Cam followers FG (needle) and FGU (roller) Lubricator LUBP Guide rails GU..M, GU. .MT Carriages ROLBLOC MBL Carriages ROLBLOC BL Adjustment plates PR Sand blasted guide rails FS..MT Ground guide rails FS..M Sand blasted guide rails FSH..MT, FSX..MT Ground guide rails FSH..M, FSX..M Guide Rollers FR..EU Guide Rollers FR..EU AS, FR..EU AZ Guide Rollers FRN..EI Guide Rollers RKY, RKX Guide...

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Circular rails FSR..M Oval circuit FSRO Ring circuit FSRQ Steering carriages T4R... Guide Rails LS Guide Rollers RCS Guide Rollers RAS Carriages C3 RCS, C3 RAS, C3 RYS Carriages C4 RCS, C4 RAS, C4 RYS Carriages C5 RCS, C5 RAS, C5 RYS Guide rails DC Guide rails C Guide Rollers PFV Guide Rollers RKO Carriages T4PFV Wipers NAID Lubricator LUBC Guide rails FWS Guide rails FWH Guide Rollers FR..EU Guide Rollers FR..EU AS, FR..EU AZ Floating Guide Rollers FRL..EU Carriages T4FR Guide rails FWN Carriages TA4, TB4

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Guide rails LM Guide Rollers RCL, RCP, PFV Floating Guide Rollers RAL Guide Wheels GLA Carriages C3RCL, C3RAL, C3RYL Carriages C4RCL, C4RAL, C4RYL Carriages T4RCL, T4RCP, T4PFV, T4RAL, T4RYL Lubricator LUBM Guide rails LML 20

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Technical features Nadella linear systems With this line of products, NADELLA confirms the aim to provide manufacturing solutions tailored to the user’s needs in order to achieve simple automation at a low cost. The process under way of transferring production automation and relevant handling onto increasingly heavier and cumbersome units has prompted us to seek original and flexible components for the different commodity sectors. We have accumulated sound working experience in the following sectors: - marble-working machinery - foundry machinery - metal sheet working machinery - special lifting...

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Technical features Temperature Standard operating temperature range is –20°C up to 150°C. In lower or higher temperature applications please contact Nadella Technical Service. Special care is required if guide rollers are operating at maximum temperature. Aluminium guides General Made by joining an aluminium alloy support element and hardened steel rods that form the sliding surfaces. The best features of the two materials and relevant working technologies are combined to give the lightness of the alloy and the hardness and surface finish of the rods. Guides of this type can be used for structural...

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Technical features carriage e.g. FRL..EU/FRLR..EU Movable rollers allow a little misalignment between the opposite mounted guide rails. Accessories Tables and carriages Standard table and carriages for C-DC and LM systems incorporate a black anodised aluminium plate fitted with guide rollers. Wipers Standard wipers NAID for C-DC rails are made from NBR compound moulded on a steel plate. Another solution is to use one profiled guide rail e.g. FS and on the opposite side a flat rail e.g. GP in connection with rollers GC or PK. Lubricators Are composed by two main parts: a plastic box with the same...

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Technical features Lubrication Bearing lubrication All the guide rollers, except for the FRN..EI, based on needle bearings, are equipped with long life lubricated bearings. This means that the grease inside the bearing is enough for the entire life of the roller guide. The roller guide type FRN..EI, with needle bearings, accommodates the re-lubrication of the bearings. Rail lubrication Rails must be lubricated. This allows reducing the friction, to reach the calculated lifetime of the system and to work at high speed. No or insufficient lubrication will cause rapid deterioration. The typical signal...

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Technical features Calculation procedure Diagram a) load F applied parallel to axis Y Calculation is carried out in two steps, first defining the forces on the most heavily loaded roller and then estimating the safety factors and life. Calculating the loads on the guide rollers In the case of complex load situations, with forces acting in different directions, calculating the reactions on the rollers is difficult and hard to simplify. In the event of the applied load having a direction parallel to one of the co-ordinate axes, the radial Pr and axial Pa components of the reactions on the most loaded...

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Technical features In this case the external load F1, applied at the point of co-ordinate y1 z1, should be considered together with reaction F2 = -F1, applied at the point of co-ordinate y2 z2. Calling Δy the absolute value of y2-y1 and Δz the absolute value of z2-z1, the following formula is used: estimation is performed using overload factor f w as follows: 1.0 – 1.2 smooth operation at low speed at constant load without shocks 1.2 – 1.5 smooth operation with load variation 1.5 – 2.0 operation with small shocks and vibrations 2.0 ~ 4.0 high acceleration, shocks and vibrations Once Pa and Pr...

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Technical features In intermediate cases, when the ratio is included between the extreme values, the equivalent limit load Fk to be considered must be calculated according to ratio k = Pa/Pr. Fk = To check the strength of the guide roller, in relation to the limit load, the safety factor has to be greater than 1 Note: in the following common cases it is not necessary to calculate Fk and the evaluation can be completed easily. Rollers that allow axial movement (FRL, PK, RKYL, RKUL, GC) don't support axial loads. In case of loads acting in the guide roller plane (Fx or Fy acting with Z=0) the axial...

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Technical features Guide roller safety coefficient Limit load check 2) The horizontal axis of a manipulator in steel The centre of gravity of the vertical axis and load is placed in the middle of the horizontal centre-axis Ix and 160 mm distance from the guide axis. The dirty environment and the possibility of shocks lead to the choice to ROLBLOC system. Guide rollers BL252 are used with guide GU62M The effective center axis L is 400 - 85 -85 = 230 mm Nominal life From the ROLBLOC table X=1, Y=1 3) The sliding door of a machine tool (rail on top) The door is supported by the rail DC type on the...

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