Unimec XTP 204 Stainless Steel Trapezoidal Screw

Unimec XTP 204 Stainless Steel Trapezoidal Screw

Code: XTP 204
Brand: Unimec

Materials

Material Normative Specification Indications
Worm 16NiCr4 EN 10084:2008 Casehardening alloy steel Casehardened and ground on teeth and holds
Worn wheel CuAl10Fe2-GM EN 1982:2008 Alluminium bronze Chill molded
Threaded spindle X5 CrNiMo 17-12-2 (AISI 316) EN 10088-1:2014 Stainless steel Tr 20x4 (ISO 2901:2016) cutting
Carter X5 CrNiMo 17-12-2 (AISI 316) EN 10088-1:2014 Stainless steel Completely machined on 6 faces
Lubricant Unimec Mark CA Calcium based grease 0,1 kg

General features

Operating temperature [°C] -10 °C / 80 °C
Static load (traction or compression) 15 kN
Dynamic load (traction or compression) 10 kN
Maximum input speed 1800 rpm
Main gearbox weight 6 kg
Trapezoidal screw weight 2,2 kg/m
Anti-rotation torque at maximum load 17 Nm
Maximum admissible static lateral loads 0 N
Center-to-center diameter 30 mm
Maximum radial load on worm 220 N
Standard working conditions 25 °C - servizio 10%

Specific features

Nominal ratios
1/5 1/10 1/30
Real ratio 1/4,75 1/10,5 1/30
Translation per worm revolution 0,842 mm 0,38 mm 0,13 mm
Efficiency 31 % 28 % 20 %
Start-up efficiency 22 % 19 % 14 %
Maximum linear speed 1440 720 240
Torque at maximum load 4,2 Nm 2,3 Nm 1,1 Nm
Worm screw maximum torque 54 Nm 54 Nm 42 Nm
Idle torque 0,25 Nm 0,2 Nm 0,15 Nm

Euler's law (safety factor =2; dynamic compression load)
Limit Load 1 (red) - 2 (blue) - 3 (green)
C = Load [kN]
L = Overall trapezoidal screw length [mm]

Power curves

The magenta zone indicates a potential heating risk. Working cycles must be carefully analized.
VR = Worm rotational speed [rpm]
VL = Spindle translation speed [mm/min]
P = Requested input power [kW]

Unimec Datasheets

Country & Language File Name Download Link
United States (English) Unimec-EN_59050.pdf Download
Deutschland (Deutsch) Unimec-DE_13807.pdf Download
Italy (Italiano) Unimec-IT_75906.pdf Download
中国(简体 Unimec-CN_95426.pdf Download

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