Atlas Copco Industrial Technique Ab

Atlas Copco Blm S.r.l.

Atlas Copco Industrial Technique Aktiebolag

Massimiliano Cattaneo

Gianmaria Celico Fadini

Francesco Braghin

Gaetano Cascini

Alessandro Attilio Interdonato

Marco Corsi

Oscar Tettamanti

Niccolo Becattini

Emanuele Riva

Gabriele Cazzulani

Roberto Gerosa

Daniele Azzone

Niccolò Becattini

Torque wrench

Clamping tool provided of a tightening conditions display device comprising a body (), containing control circuits and a processing electronic unit having at one end a handle () for gripping by an operator making the clamping, and on the other end an arm (). Said arm comprises a seat () wherein can be alternatively pluggable a plurality of inserts suitable for engaging the tool with a corresponding type and/or dimension of a mechanical member on which the tool is destined to operate to carry out a clamping operation. Sensor means are provided on said arm suitable for detecting tightening conditions exerted on said mechanical member and said display device is controlled by said electronic processing unit and comprises an annular support () connected to the tool, to which a plurality of lighting groups () are associated, provided along a circle arch long the ring and each one comprising at least two lighting points (), the groups () being substantially equidistant each other along the ring, said points being destined to lighten when the clamping is finished.

Clamping tool with display device for tightening conditions

A clamping tool is provided comprising a body, containing control circuits and electronic processing circuitry and having, at one end, a handle for gripping by an operator making the clamping, and on the other end, an arm. The arm comprises, at its free end, a seat that can be alternatively pluggable to a plurality of inserts suitable for engaging the tool with a corresponding type and/or dimension of a mechanical member on which the tool is configured to operate to perform a clamping operation. Sensor means are provided on the arm for detecting tightening conditions exerted on the mechanical member. Furthermore, a microprocessor electronic card is provided on the arm for receiving analogic signals from the sensor means, converting the signals into digital format, and handling transfer of the signals in digital format to the electronic processing circuitry.

Clamping tool with interchangeable arm

Braking device inserted in a test bench () for checking the correct operation of industrial screwdrivers, wherein the braking simulates a tightening operation of such screwdriver, comprising a container body () on the top of which a coupling () protrudes, suitable for coupling with the head () of the screwdriver to be tested, said coupling () being connected, by means of a shaft (), to a braking unit (), an electronic torque and angle detector () of the shaft rotation (). Such braking unit () comprises a plate (), rotated by the screwdriver, which is braked by suitable friction surfaces () moved towards the plate by the movement of an actuator; the movement of such actuator is performed by means of at least one electronically controlled piezoelectric element ().

Braking device positionable on test benches of correct operation of industrial screwdrivers

A hydraulic braking device for testing industrial screwdrivers is arranged on a braking simulation bench, the braking device being controlled by an actuator and by a hydraulic control circuit which supplies pressure to the device on the basis of the indications of an electronic elaboration unit of the bench. Such a braking device is provided with coupling means for the screwdriver to be subjected to test and measurement transducers controlled by a processing unit, suitable for measuring the torque exerted by the screwdriver and the rotation angle, and such a device includes a memory which can be read and/or written by the bench electronic elaboration unit.

Hydraulic braking device to be placed on test benches for industrial screwdrivers and relevant test bench

System for verifying the proper functioning of industrial screwdrivers placed on a test bench that has a plurality of hydraulic brakes (F), with which the screwdriver is associated, suitably controlled by a hydraulic circuit comprising one pump (P), which withdraws the fluid from a reservoir (T) and provides it to a pressure regulating valve (VP), which in turn provides it to the brakes. Each brake is provided with measuring transducers (TR), connected to an electronic driver board (SP). A computer (U) communicates with such card and comprises a suitable driving program stored thereon, the driving program, once an operator has selected the brake to be used for testing the screwdriver, being able to progressively increase the braking capacity of the brakes by adjusting the pressure, until reaching a complete stop of the electronic screwdriver.

System for controlling the proper functioning of industrial screwdrivers

The present invention refers to a system for the quality control of screwed-in joints, where the system has:

System and method for the quality control of screwed-in joints

An electronic apparatus for controlled fastening, comprises a body () coupled to which is one of different removable inserts (&#x2033;). The insert comprises a transponder () which sends setting signals to the apparatus when it is mounted on the apparatus. The apparatus in turn comprises transmission means for programming into the transponder () information which shall be inserted into the signals which shall subsequently be sent by the transponder to the apparatus.

Growing community of inventors

Carate Brianza, Italy

Massimiliano Cattaneo