Pneumatic And Hydraulic Equipment Page 183

B I M B A SQUARE FLAT-II SERIES L = .062 + STROKE L Nonrotation is achieved through the use of dual piston rods incorporated into the body of the Flat-II cylinder. The rods are securely attached to the piston by our unique spin-riveting process. A rod end block is used to insure the rods work in tandem-as a team. This end block also acts as a useful surface to easily accommodate any mounting attachments required to get the job done. For mounting convenience, the rod end block is provided with threaded mounting holes or optional counterbored holes. As with any cylinder application, side loading should be avoided (see option K below). The two smaller rods will have more deflection due to side load than the one standard rod in a comparable Flat-1 model. Where T = Torque (in.-lb.) L = Length (see sketch below) K = Per chart above = Angular deflection The amount of angular deflection, in degrees, can be approximated by the following formula: Rotational Tolerance Deflection L Value Bore Maximum Rotation 3/4" (04) 1 1-1/16" (09) 3/4 1-1/2" (17) 1/2 2" (31) 1/2 The Flat-II is intended to work satisfactorily against pure torsional loads. The maximum torsional load per bore size is shown in the following table: Note: To prevent rod distortion, the rod end block must be fastened securely. = TL 3 K If side load cannot be avoided, the side load should be applied perpendicular to the plane formed by the two piston rods. Option K - Endblock Rotated 90 Bore 3/4" (04) 1-1/16" (09) 1-1/2" (17) 2" (31) Torque (in-lb) 0.3 1 5 10 K 5.21 26.61 238.85 1344.63 L L = .062 + STROKE Bimba JHF Catalog [ Volume 7 ] (314) 427-0600 800-444-0522 (FAX) 314-427-3502 www. j hf.com 183 Prices Subject to Change Without Notice John Henry Foster pneumatic and hydraulic equipment

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