Trapezoidal Screw Jacks
Size 306
2,5 ton - 25 kN
Model TP
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 | C45 | EN 10083-2:2006 | Carbon steel | Tr 30x6 (ISO 2901:2016) - Rolled or machined |
| Carter | GJL 250 | EN 1561:2011 | Grey cast iron | Completely machined on 6 faces |
| Lubricant | Unimec Mark CA | Calcium based grease | 0,3 kg |
General features
| Operating temperature [°C] | -10 °C / 80 °C |
|---|---|
| Static load (traction or compression) | 40 kN |
| Dynamic load (traction or compression) | 25 kN |
| Maximum input speed | 1800 rpm |
| Main gearbox weight | 10 kg |
| Trapezoidal screw weight | 5 kg/m |
| Anti-rotation torque at maximum load | 63 Nm |
| Maximum admissible static lateral loads | 0 N |
| Center-to-center diameter | 50 mm |
| Maximum radial load on worm | 450 N |
| Standard working conditions | 25 °C - servizio 10% |
Specific features
| Nominal ratios | |||
|---|---|---|---|
| 1/5 | 1/10 | 1/30 | |
| Real ratio | 1/4,75 | 1/9,67 | 1/30 |
| Translation per worm revolution | 1,26 mm | 0,62 mm | 0,2 mm |
| Efficiency | 30 % | 26 % | 18 % |
| Start-up efficiency | 21 % | 18 % | 13 % |
| Maximum linear speed | 2160 | 1080 | 360 |
| Torque at maximum load | 16 Nm | 9,3 Nm | 4,4 Nm |
| Worm screw maximum torque | 69 Nm | 154 Nm | 183 Nm |
| Idle torque | 0,4 Nm | 0,3 Nm | 0,25 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]
Motor Models
| IEC | Worm screw bore diameter | Centering diameter | Nominal power (4 poles motor) | |
|---|---|---|---|---|
|
IEC 71 B5 | 14 mm | 110 mm | 0,55 kW |
| IEC 80 B5 / B14 | 19 mm | 130 mm / 80 mm | 1,1 kW | |
|
IEC 90 B5 / B14 | 24 mm | 130 mm / 95 mm | 1,9 kW |
| IEC 100-112 B5 / B14 | 28 mm | 180 mm / 110 mm | 5 kW |
Construction forms
Forma B
Forma D
Forma S
Forma MBD
Forma MD
Forma MS
Forma MBS
Specific accessories
The accessories avaiable for this product are reported below
Protection
PO Oscillating Rigid Protection
PR Rigid Protection
PR-F Electronic Stroke Control
AB Worm Screw Protection Ring
CAPP Worm Screw Protection Cover
CU Single Chamber Assembly
PR-O Oil Bath Rigid Protection
PR-A Dual Guide Anti Rotation System
PO-A Dual-Guide Anti-Rotation and Oscillating Rigid Protection
PO-BU Oscillating Rigid Protection with Anti-Disengagement Bushing
PO-F Oscillating Rigid Protection with Stroke Control
PO-A-F Dual-Guide Anti-Rotation and Oscillating Rigid Protection with Stroke Control
PO-AR Oscillating Rigid Protection with Anti-Rotation System
CU-PR-A Single Chamber Assembly with Dual-Guide Anti-Rotation System
PR-A-F Dual-Guide Anti-Rotation System with Stroke Control
PR-A-O Oil-Bath Rigid Protection with Dual-Guide Anti-Rotation System
PE Elastic Bellow Protection
Safety
PO Oscillating Rigid Protection
PR Rigid Protection
CS-TP Manual Wear Control Safety Nut
BU Anti-Disengagement Bushing
PR-F Electronic Stroke Control
CAPP Worm Screw Protection Cover
CSU-TP Automatic Wear Control Safety Nut
CT Temperature Control
CU Single Chamber Assembly
PR-O Oil Bath Rigid Protection
PR-A Dual Guide Anti Rotation System
PO-A Dual-Guide Anti-Rotation and Oscillating Rigid Protection
PO-BU Oscillating Rigid Protection with Anti-Disengagement Bushing
PO-F Oscillating Rigid Protection with Stroke Control
PO-A-F Dual-Guide Anti-Rotation and Oscillating Rigid Protection with Stroke Control
PO-AR Oscillating Rigid Protection with Anti-Rotation System
AM-TP Over-Size Trapezoidal Screw
CU-PR-A Single Chamber Assembly with Dual-Guide Anti-Rotation System
PR-A-F Dual-Guide Anti-Rotation System with Stroke Control
PR-A-O Oil-Bath Rigid Protection with Dual-Guide Anti-Rotation System
PE Elastic Bellow Protection
Oscillating Configurations
PO Oscillating Rigid Protection
TOR Eyelet End-Fitting
TFC Clevis Clip End-Fitting
TOC Rod-End End-Fitting
TO Milled Eyelet End-Fitting
P Lateral Pins
PO-A Dual-Guide Anti-Rotation and Oscillating Rigid Protection
PO-BU Oscillating Rigid Protection with Anti-Disengagement Bushing
PO-F Oscillating Rigid Protection with Stroke Control
PO-A-F Dual-Guide Anti-Rotation and Oscillating Rigid Protection with Stroke Control
PO-AR Oscillating Rigid Protection with Anti-Rotation System
Assembly
PO Oscillating Rigid Protection
SP Mounting Plates
TF Flange End-Fitting
TM Metric Thread End-Fitting
TL Non-Threaded End Fitting
TPN Trapezoidal Thread End-Fitting
TOR Eyelet End-Fitting
TFC Clevis Clip End-Fitting
TOC Rod-End End-Fitting
TO Milled Eyelet End-Fitting
AB Worm Screw Protection Ring
P Lateral Pins
PO-A Dual-Guide Anti-Rotation and Oscillating Rigid Protection
PO-BU Oscillating Rigid Protection with Anti-Disengagement Bushing
PO-F Oscillating Rigid Protection with Stroke Control
PO-A-F Dual-Guide Anti-Rotation and Oscillating Rigid Protection with Stroke Control
PO-AR Oscillating Rigid Protection with Anti-Rotation System
AM-TP Over-Size Trapezoidal Screw
TSC Bearing-Support End-Fitting
Anti-Rotation Systems
AR Anti-Rotation System
PR-A Dual Guide Anti Rotation System
PO-A Dual-Guide Anti-Rotation and Oscillating Rigid Protection
PO-A-F Dual-Guide Anti-Rotation and Oscillating Rigid Protection with Stroke Control
PO-AR Oscillating Rigid Protection with Anti-Rotation System
CU-PR-A Single Chamber Assembly with Dual-Guide Anti-Rotation System
PR-A-F Dual-Guide Anti-Rotation System with Stroke Control
PR-A-O Oil-Bath Rigid Protection with Dual-Guide Anti-Rotation System
Control & Monitoring
PR-F Electronic Stroke Control
CR Rotation Control Device
CSU-TP Automatic Wear Control Safety Nut
CT Temperature Control
PO-F Oscillating Rigid Protection with Stroke Control
PO-A-F Dual-Guide Anti-Rotation and Oscillating Rigid Protection with Stroke Control
RG-TP Axial Play Compensation Nut
PR-A-F Dual-Guide Anti-Rotation System with Stroke Control
Lubrication
CU Single Chamber Assembly
PR-O Oil Bath Rigid Protection
LUBS Special Lubricants
CU-PR-A Single Chamber Assembly with Dual-Guide Anti-Rotation System
PR-A-O Oil-Bath Rigid Protection with Dual-Guide Anti-Rotation System
KL Lubrication Kit
High Temperatures
GV Viton Seals
LUBS Special Lubricants
VE Epoxy Painting
PE Elastic Bellow Protection
Food & Drug
NLY Niploy-Coating Treatment
LUBS Special Lubricants
PE Elastic Bellow Protection
Anti-Corrosion
NLY Niploy-Coating Treatment
Italiano 
English 
Español 
Deutsch 
Русский (Россия) 
Français