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Ball screws are a highly efficient way of converting rotary to linear motion.
This is due to the ball screw's high reliability precision and efficiency over more traditional power transmission components such as belt or chain drives, which we also distribute.
Ball screws also offer a much higher lifetime and efficiency over acme / trapezoidal threads where long hours and frequent use are needed and high loads. The main reason behind a ball screw's efficiency is the ball bearings running on the cold rolled thread thus taking away the friction between the screw and nut which holds the balls and allows them to recirculate this then allows for a more predictable lifetime, provided that all the parameters have been taken into consideration.
Typical points that are normally associated with these life calculations are load speed at which load is to be moved over a certain distance. What type of bearings / configurations are used. Due to the nature of ball screws consideration must be given to speed and length of screws to avoid what we call buckling or whipping.
We can offer a range of machining facilities from Switzerland or in the UK. We can soften the spindles for customers that want to machine in house themselves. Nuts can be made to customer drawing and new diameter and pitches, if the quantity needed for production is met or tooling is paid by the customer / end user, in some cases as small as 100 is enough for some new sizes depending on usage per year.
The Careline actuator system is a silent yet powerful module for a multitude of applications in furniture, lounge chairs, therapy tables or hospital beds. Due to its considerable lift capacity in compliance with Safety Standard IP 66, this system is perfectly suited for healthcare use.
This type of product owes its smooth, jerk-free movements to the Carry 12 x 4 ball screw, type ZYR, FGR or FBR. It is particularly suited for applications where - thanks to roll friction - high efficiency is essential to move or lift heavy loads safely.
The extremely sensitive telescope on La Palma in the Canary Islands, Spain at 2225 m elevation is able to capture gamma radiation from galaxies up to eight billion lightyears away. With a diameter of 17 meters, this "ear to the universe" is the largest of its kind in the world.
Nearly 1,000 aluminum mirror segments, mounted on support plates, make up 240 m2 of mirror surface. Within 20 seconds the telescope focuses on any point in the sky. To this effect, each of the mirror plates is directed with utmost precision to a predefined laser point by two Carry 12 x 2 ball screws, type ZYI, FGI or FBR.
Designed to store PCBs with hundreds or even thousands of electronic components on them, racks protect these delicate parts from dirt, mechanical damage or electrical interference.
But when boards differ in size, rack width must be variable. The lateral pinion belt drives four Speedy 8/10 lead screws designed to adjust the lateral mobile wall in seconds to the desired size. In addition, these precision screws make certain that the lateral walls stay parallel.
It is not easy to board a bus in a wheelchair or with a loaded shopping trolley when the vehicle is equipped with today´s conventional boarding ramps. Things would be much easier with fold-away ramps. To facilitate access, a fold-away ramp has no steps and retracts after boarding.
A screw secured to the gear motor extends the ramp and associated nut. Because of its "square" pitch the Carry 12.7 x 12.7 ball screw, type FGR is used here to position the ramp with utmost precision and to deliver the required speed.
When robots move, a constant hum is heard due to the motors which power the rotation of joint shafts and linear motion. Robots are often associated with movements that are awkward and jerky.
Not so with Johnnie. The robot developed by Munich´s Technical University stands out from the crowd: not only does Johnnie have sensory systems that allow him to "touch" and "feel", the movements he makes are very similar to those of humans.
Johnnie relies on effective assistance from Carry: Carry 12 x 5 ball screws, type FGR or FBR support its human-like and smooth movements.
Eichenberger Gewinde AG ball screws are at the forefront of today's technology in terms of quality and precision thanks to state-of-the-art production methods employed with extensive product knowledge.
Carry screws are manufactured by the highly economical cold-rolling process which offers significant cost savings but also maintains a precision quality normally associated with ground ball screws which traditionally are very expensive.
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