Standard_Parts_Catalogue

Page 340 | 1.4 Adjusting, Positioning, Locking with and without Position Indication GN 723.4 Control Knobs Aluminum 1 d 1 2 d 2 3 Type How to order 1 2 3 GN723.4-42-B10-S 3 Type N Neutral M With arrow S With scale 0...9 20 graduations 1 2 d 1 d 2 H8 Bore d 3 −0,2 d 4 d 5 l 1 l 2 l 3 l 4 t 1 min. t 2 27 B 6 - 33,5 23,5 M 4 25,5 7,5 10,5 12,5 23,5 7,5 34 B 6 B  8 41   29,5 M 5 29,5 9,5 13,5 13   26,5 9,5 42 B 8 B 10 50   37,5 M 5 33,5 10,5 15,5 15   30,5 11,5 Control knobs GN 723.4 can be combined with reference flanges GN 723.3 which offer the following advantages: - they are provided with a reference mark relating to the scale on the control knobs - they give additional support to the control shaft, - the version with a friction ring prevents unexpected movement through vibration. Scale and arrow on the control knobs are indelibly marked and easily legible. Besides the standard scale (Type S) they can be supplied with any type of graduation. Regarding design, numbering run, numbering position and numbering sequence of the scale please see the layout for scale knobs on the order sheet „How to Order Graduations“ → Page 326 see also... • Reference Flanges GN 723.3 (for Control Knobs GN 723.4) → Page 342 • Control Knobs GN 726.2 (Aluminum) → Page 337 • Clamping Elements GN 826 (for Adjustable Spindles) → Page 346 Information • Aluminum Anodized, natural color • Scale (Type S) and arrow (Type M) engraved with laser precision • Stainless steel grub screw DIN 916 with internal hexagon and serrated point • ISO Fundamental Tolerances → Page 2151 • RoHS Specification • Reference flanges GN 723.3 are to be ordered separately Accessory • Special graduations see „How to Order Graduations“ → Page 326 On request