A property of metal products indicating metal sheet resistance to thinning during deformation process
Antivibration elements, made of elastomer material. They are used to isolate the machines from the footholds and to avoid propagation of mechanical vibrations, These will be absorbed by the antivibration pads in the shortest span of time
Characteristic of a material to be plastically forged through deep drawing operations
This version of geared presses allows a production with higher tonnage at reduced nominal speeds, thanks to an intermediate wheel-pinion gear system between transmission and eccentric shaft
Hydraulic-driven ball guides system installed on the working table to better handle very large dies
Mechanical operation to forge an object applying different forces on it
Pressure arm
Auxiliary function of the safety light curtains. It allows the introduction of objects in the protected field of the light curtains, without stopping the press operations
Additional plate to reduce the distance table-ram
Point at which the mobile part of the die is nearest to the working table of the mechanical eccentric press
Device on rolls for rapid die tooling on the working table, especially in case of heavy dies
Operation to set an instrument to improve its precision and accuracy
Strip feeding device that uses pneumatically and hydraulically-activated clamps
Metal sheet coil
Strip curvature measured by the deflection of the strip axle in relation to the ideal line
They contain the coil strip laterally to ensure proper unwinding
Coils of metal sheet
A plastic squeezing operation. Not suggested in the case of eccentric mechanical presses
Cold metal stamping, or at room temperature
An eccentric device of a mechanical press. This device combined in its position with the eccentric shaft of the press allows the stroke change
Bimanual control
PEDESTAL or CONSOLE
System to convey scrap material or the pieces produced after stamping
Operation in which two different contiguous parts, thanks to interference, are joined together
Time required to produce a punched and cut-to-size piece. It indicates the span of time from one stroke to the following one
Device that carries the strip to the straightener/feeder, thanks to spindle rotation
Operation through which the strip is plastically forged and takes the form of a box or a cylinder
It supplies the line with the pieces that have not been worked, taking them from a pile of strips, in order to allow their continuous feeding
Tool element used on a press for different operations like deformation, deep drawing and shearing
Additional device of the mechanical press, installed under the working table with an extracting function (in case of pieces stuck on the bottom side of the die). It works also as die cushion for deep drawing applications
It indicates the height of the die. It is measured from the upper surface, in contact with the ram surface, to the lower surface in contact with the press table. Selection of "closed die" with ram at the bottom dead centre (BDC) and "open die" with ram at the top dead centre (TDC)
Main shaft of a mechanical press used to convert the rotatory motion, produced by an electric motor, into linear reciprocating motion (for stamping operations - through ram or slide)
It integrates the electronic component of the press, PLC and safety modules. Separated from the press.
Main engine of the eccentric mechanical press. Used to activate the whole kinematic system
It integrates the electronic parts, PLC and security parts of the press
Electronic system that, thanks to an encoder, creates some output signals, simulating more mechanical cams
Electronic device used as transducer for angle position and axles rotation speed
Wheel applied on the strip surface (after the feeder) and moved by the movement of the strip itself. Used to measure feeding lenghts
Force needed to remove the piece from the die
Extracting unit made of a metallic bar, integrated in the ram of the eccentric mechanical press. Installed to pull out the piece which gets stuck on the die upper part
Press feeding system to move coil strip
Before moving the strip to the mechanical eccentric press, this feeding device is able to straighten the strip, thanks to a multiple rolls system. The layout of this feeding line is meant to reduce the space compared with the usual layout with straightener apart. Suitable for stamping with average speeds and steps
Difect given by metal shearing
Wheel accumulating inertia (kinetic energy). It is able to prevent high or sudden speed variations, due to stamping operations
This version allows the use of higher speed with higher productivity, having no intermediate reduction between the drive shaft and the eccentric shaft
Overheated metal stamping
Hydraulic clutch that allows a high number of engages per minute and it's not subject to wear
Hydraulic devices to allow easy die fixing on the eccentric mechanical press
It provides the oil under pressure to the hydraulic circuit
Feature of the decoiler, the spindle is hydraulically opened
Press working thanks to a fluid pressure, usually hydraulic oil, to develop a force able to compress different materials, in order to compress and pack them
Inner diameter of the metal sheet coil
Electronic device that, thanks to frequency variation, allows the speed regulation of an eccentric mechanical press
Material obtained through a rolling process
Load detectors. They are used to simulate the press work under load. An interface system with a PC is able to detect the curves of force consumption
Decoiler device to allow easy loading of large coils
Situated between decoiler and straightener and between straightener and feeder. Used to balance the various speeds of the feeding machines to the mechanical eccentric press
A system which controls the different speeds among the components of a feeding line
With rolls or spray lubrication. It indicates a system which can make all stamping operations easier
Feature of the decoiler, the spindle is manually opened by the operator through a manual system
Actions taken to optimize the material, while reducing scrap material
Device fixed on a rotation axle that excites specific limit switches. This creates some output signals used in the machine.
Metallic material, available in coil or strips
Wheel applied on the strip surface (after the feeder) and moved by the movement of the strip itself. Used to measure feeding lenghts
This motor-driven device ensures that the material is fed to the straightener by the rotation of the spindle
Motorized device to allow easier ram regulation
Die
Speed at which the press can express its nominal power
Outer diameter of the metal sheet coil
Mobile control board (bimanual control)
In progressive dies, the precision of coil position in relation with the die, can be managed by pilots. They enter into holes, properly pre-sheared along the progressive die
Pneumatic clutch combined with springs
For presses with inclination, it indicates the ground base on which the press frame is built
Unit of the eccentric mechanical press which transfers the flywheel motion to the rest of the kinematic system
Force of the press (Ton)
Press equipped with inclination to release easily the pieces produced (release due to gravity)
In this version, the strip is carried through a transfer device that is able to move the strip step by step
Made of a metallic mobile arm and of a wheel which pushes the strip to ease its introduction and start a new session, while working in complete safety.
It indicates the number of pieces produced in a time unit; it is inversely proportional to the cycle time
Electronic safety devices to protect the working area of the press. The programmable functions are installed to improve the use of the press in case of productions in single stroke with manual loading and unloading. The cycle starts automatically after two or three accesses (you can select it from the control board). During the cycle, the possible new interruption of the light flow will block the press due to safety reasons.
Die made of two or more progressive stamping operations. The complete operations combined together create the final piece
Element of the die that, pushed by the eccentric mechanical press, carries out the shearing operation
Shearing, operation resulting from stamping
Mobile part of the press. The mobile part of the die is fixed on the lower surface of the ram
Ram adjustment (by turning the screw between connecting rod and ram) which allows distance regulation table-ram to adapt the press to the die
In a C-frame press, it indicates the distance between the machine axle and the frame (rear side of the table)
Mechanical linking element between the eccentric shaft and the ram
Strip feeding device that uses two overlapping rolls, whose rotation activates the strip movement
Used to convey, stroke after stroke, the different pieces to the die
Electronic safety devices to protect the working area of the press
Waste material produced after stamping
Scrap removal system after stamping operations
Instrument to cut off strips, scrap material and pieces produced
Operation of plastic deformation performed on metal sheet
Die with single impression to produce the requested piece
It completely closes the stamping line, reducing the noise level of the system.
Anti-vibration device made up of one or more steel springs integrated in a case
Pneumatic system with the function of stabilizing the weight of the mobile part of the die, to optimize the kinematic motion
Metal sheet made of stainless steel
Deformation of metals (metal sheet and similars). It is mainly divided into shearing and deep drawing
Production plant composed of decoiler, straightener, feeder, eccentric mechanical press and die
Machine normally located between decoiler and feeder (or integrated in the feeder), composed of various rolls. Function of correcting the coil curvature due to strip winding
Electronic system to measure the press force and the distribution of the forces on the table
It indicates the length of the alternate motion of the slide of an eccentric mechanical press
Nuts located on the plate and on the ram surface to fix the die
Technical support in remote, performed by qualified staff with operations on the system
This device can be integrated to the die to carry out tappings on simple holes or punched holes, during stamping operations
Additional system to strengthen the press frame for particularly heavy applications
It indicates the interval in which a certain operation is performed, compared to the theorical design value
Die or part of it
Point at which the mobile part of the die is farthest from the working table of the eccentric mechanical press
Device to carry the piece under the die
Distance from the BDC (bottom dead centre). At this point the press works at its nominal speed
Feeder with lateral movement to allow productions with multiple impressions to reduce scrap materials