MECHANICAL SCREW JACKS
MECHANICAL JACKS WITH ROTATING AND TRANSLATING SCREW
Mechanical jacks with rotating screw and translating screw made in Italy. The range consists of 9 configurable sizes in different versions with PAM connections or with single or double protruding shafts. The whole EP series is made in such a way as to guarantee excellent interchangeability with different screw jacks currently available in the market. Spheroidal cast iron casings play the critical role to guarantee the maximum mechanical and structural resistance in all applications. While, thanks to the VSF made of 18NICRMO5 steel case-hardened and tempered with rectified VSF profiles, combined with the bronze crown ( GCnSu12) it guarantees maximum performance and reliability in terms of duration.
The range of mechanical screw jacks includes:
- 9 Sizes of screw jacks
- Power from 500 daN to 60,000 daN
- Reduction ratio 1/5 – 1/10 – 1/20 – 1/30
- Different construction forms
- TPN screw with diameters from 18 × 4 to 120 × 14
MECHANICAL SCREW JACKS FEATURES
Worm screw in 18NI-CRM05 case- hardened and tempered steel with ground vsf profiles, which ensures longer life.
Suitable for supporting large loads thanks to their sturdy structure and specially sized thrust bearings .
On request, ball screws for high speeds, continuous cycles, efficiency and precision.
WHAT ARE MECHANICAL SCREW JACKS?
Mechanical jacks are electromechanical devices that transform rotary motion , generally electric motors, into a linear movement of vertical lifting or horizontal positioning (in pulling or pushing).
The movement takes place thanks to the worm gear reducer (helical wheel) which transmits the movement to the shaft (nut screw).
There are several advantages in using the mechanical jack instead of the hydraulic cylinder:
- Stroke control by various devices
- Electric operation, therefore in the machine there are power wires and no oil under pressure
- Stay in the position in case of power failure
- Mechanical or electronic synchronization of several jacks
Jacks generally fall into two groups:
- Rotating screw (with nut)
- With translating screw
Depending on the jack model, different control and work accessories can be installed.
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