This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
Tractor Seat Suspensions for Easy Riding
Annotation ability available
Sector:
Language:
English
Abstract
THIS paper describes an investigation into the best design of seat suspension for tractors having pneumatic tires with a rigid rear axle.
Test results show that some of the factors entering into a good tractor supension include:
-
1.
A ratio between the natural frequency of the seat and the natural frequency of the tires of about 0.4 to 0.5.
-
2.
A supplementary seat deflection 1½ times the static seat deflection to avoid bottoming.
-
3.
Use of suspensions having nonlinear characteristics in order to hold seat deflection within practical limits.
-
4.
Adjustable seat-spring action to compensate for the varying weights of drivers.
Authors
Citation
Haack, M., "Tractor Seat Suspensions for Easy Riding," SAE Technical Paper 550267, 1955, https://doi.org/10.4271/550267.Also In
References
- Grundlagen der Landtechnik, Vol. 4 1933 110 “Über die Bean-pruchung des Menschen durch. Erschiitterungen auf Schleppern und Landmaschinen,” Haack. M.
- SAB Journal, Vol. 56 August 1948 48 49 “Passenger Vibration Limits,” Janeway. R. N.
- SP-6 “Ride and Vibration Data.” Copies available from SAE Special Publications Department
- Göbel, E. F. Gummifedern, Bin 1945
- Atitomobiltechnische Zeitschrift, Vol. 48 1946 33 “Über den Ziisamnienhang zwischen Schwingungseigenschaften and Fahreigen-schaften von Kraftfahrzeugen,” Lehr E. Bertschinger.
- Abhandlungen der mathematisch-physischen classe, der Konigl, sach-sischen Gesellschaft der Wissenschaften Vol. 26 1889 627 “Uber den Schwerpunkt des menschlichen Korpers,” Braune W. Fischer O.
- SAE Quarterly Transactions, Vol. 6 April 1952 357 364 “Tractor Ride Research,” Simons. A. K.
- SAE Transactions, Vol. 47 452 496 “Riding Comfort and Cushions,” Lay W. E. Fisher. L. C.
- Arbeitsphysiologie, Vol. 9 1936 125 “Die gunstigste Anordnung im Sitzen betatigter Fusshebel,” Muller. E. A.