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64121Linear Unit KRF 8 80x40 ZR, left-hand input shaft

Art. No.: 0.0.641.21
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Linear Unit KRF 8 80x40 ZR, left-hand input shaft
Linear Unit KRF 8 80x40 ZR, left-hand input shaft
Properties of Linear Unit KRF 8 80x40 ZR, left-hand input shaft
Line   = line 8
m = 4.3 g/mm
Cross-sectional area A = 15.58 cm2
Moment of Inertia, x-axis Ix = 22.05 cm4
Moment of Inertia, y-axis Iy = 95.66 cm4
Moment of Inertia, torsional It = 18.31 cm4
Resistance Moment, x-axis Wx = 11.02 cm3
Resistance Moment, y-axis Wy = 23.80 cm3
Lmin = 400 mm
Smin = 20 mm
Hmax = 5760 mm
m1 = 6 kg
m2 = 4.3 g/mm

Back
The compact Roller Guide with the best load-to-size ratio of all item drive elements.
•Light, quiet-running rollers arranged in a criss-cross pattern for high speed
•Innovative track technology – high-strength steel tracks rigidly connected to the aluminium guide profile
•Solid, rigid sliding carriage with a broad range of attachment options and integrated timing-belt clamp profile
•Drive Unit with internal reversing mechanism to give the smoothest possible movement when working with low moving mass
•Three Profile 8 grooves on three sides of the KRF guide profile ensure unbeatable flexibility for attachment geometries
•Simple adjustment with minimum maintenance requirements, all elements externally accessible
•Axes of customised length, guide length up to max. 6000 mm
•Motors can be adapted using universal coupling elements in the Drive Set
Linear Unit KRF is augmented by a range of useful accessories that enable simple attachment of slide constructions and drive modules.
8 rollers arranged in a criss-cross pattern to eliminate play ensure maximum load-carrying capacity with compact size.
Load Specifications
Simplified method for determining the maximum permissible load for the Roller Guides of a KRF:
Deflection
The maximum deflection, fmax of the system is governed by the dimension of the profile cross-section, the free profile length and the force applied. It should not exceed 1 mm/m. The KRF profile must be given appropriate support if the linearity of movement has to be very precise.
The mass moments of inertia of the profile provide the basis for calculating the deflection:
Complete Linear Units with variable stroke length (H), Drive Unit and Reverse Unit, support profile with integrated Roller Guide on guide tracks, preset free of play. Timing-belt tensioning device integrated into Reverse Unit, ball-bearing-mounted pulleys.
Guide slide with eight-piece roller-bearing mounting, oil-lubricated roller contact (re-lubrication every 6 months or every 2500 km)
Acceleration: max. 10 m/s²
Stroke velocity: max. 10 m/s
Linear Unit KRF boasts exceptional precision and low-vibration linear movement. Repeat accuracy is ± 0.1 mm.
The mass of a Linear Unit KRF can be determined from the stroke length (without payload):
m = m1 + H x m2
Product Article-Id.: Quantity
Drive Set KRF 8 ZR 0.0.627.46 1 set
Limit-Switch Holder KRF 8 0.0.626.55 1 pce.
Track Oil for Linear Guides 0.0.612.75 1 pce.
Oil Can for Linear Guides 0.0.612.74 1 pce.
Description Date Filesize
Assembly instruction 29.02.2012 2.585,0 kB Download
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