Screw Jacks with Aluminium Housing - TEA Machine Components Inc.

7.Aluminium Screw Jacks MSZ-Alu25kNMSZ-25-A Rotating Screw R 25kNdeepdeepbase linedeepx = calculated spindle length (chapter 4.8) + 5 mmSystem components are presented in chapter 14A minimum of 10mm safety clearance is requiredbetween the nut + gearbox / nut + end mounting toprevent dammage due to possible overun.Selection, calculation, checklistsand order code: see chapter 4Technical data S and RMax. pressure/tensile force static - 25 kN (2,5 t)Max. drive shaft speed - 1800 min -1 (higher on request)Screw dimension - Tr 30x6 2)Gear reduction- 6:1 (N) / 24:1 (L)Material of box- AluminiumLubrication- greaseWeight of lifting gear - 3,8 kgWeight of spindle/m- 4,5 kgDrive torque M G [Nm] - F [kN] x 0,63 3)5) + M L (N-Normal)- F [kN] x 0,20 3)5) + M L (L-Low)Starting torque - drive torque M G x 1,5Idle torque 4) ML [Nm]- 0,36 (N-Normal)- 0,26 (L-Low)Important notes1)- For bellows or spiral spring extensions: see chapter 42)- Tr30x6 is standard, also available: 2-pitch, INOX, left-handed,larger diameter spindle Tr40x7 (only for R version)3)- Factor includes efficiency, ratio and 30% safety4)- May be higher in new condition5)- At spindle pitch of 6mmCapacity diagram stat./dyn. S and R[kN] loadstaticdynamicbasis: 20°Coperating time in % per 10 ‘N = Normal speedL = Low speedThis diagram indicatesthe maximumcapacity (under optimalconditions).Where duty or loadare near upper limitswe recommend theselection of a biggergearbox.The maximum dutycycle is affected bymany factors: e.g.:lubrication, environmentaltemperature,bellow, etc.© by ZIMM Austria - 2004 069