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MANUFACTURING TECHNOLOGY


New SACMA technology for challenging parts


SACMA Group has started 2011 with the introduction of two new machine models in order to satisfy requirements from the aerospace and automotive markets.


successful deformation of the following materials: • Titanium alloys (Ti3, 5Al2V,Ti6Al4V). • Light alloys (2000 and 6000 series). • Nickel super alloys (waspalloy, incoloy, inconel). • Stainless steels (A286, A310).


F


or the aerospace market SACMA offers its Warm Forming Headers, to allow production of fasteners from special materials that have a poor aptitude to be formed at room temperature. The warm forming application allows the


• Second induction coil: for pre-heating the wire to a middle working temperature. The pre-heating induction system is available from 30kW to 80kW power, according to the machine size.


• Solid die block, with coated sleeve in each station, with a circuit for circulation of coolant liquid and a location for installation of a pyrometer to control the temperature of the wire.


• Integrated fire extinguishing system, with flame detection sensors and CO2


spray nozzles.


• Powered feeder to introduce the wire up to the cut-off station. The pull back system allows automatic retraction of the wire and shutting off the induction power in case of machine stoppage.


• Automatic motorised adjustments of the positioning of the stock gauge tip and of the threaded sleeve, allowing corrections of the cut-off blank length and of the position of the die ejector pins, during production and without stopping the machine. All the input data relative to the set-up of the machine and the induction power requirements are memorised in the SC-MATIC system.


New Ingramatic heavy duty thread roller For the automotive market SACMA has introduced the new


SACMA supplies the WF Headers with a range of standard


features, which facilitate automatic management of production using PLC and Touch Screen panel Interface. Features of SACMA WF Headers include:


• First induction coil: this induction coil is behind the cut-off quill and located in the main frame. An external sleeve allows circulation of coolant liquid between sleeve and frame.


Ingramatic RP72-R1-XXL thread roller, which demonstrates the flexibility of SACMA Group’s machines. SACMA says, the Ingramatic RP72-R1-XXL is targeted specifically at factories aiming to achieve a definitive presence in the automotive market, by having the capability to thread extra long parts after heat treatment and also to assemble with washers. Ingramatic incorporates new feeding rails to thread very long parts up to 370mm without washer and 200mm with washer. New options including Computerised Quick Die Match and Electronic Handwheel are available to reduce the set up time of the thread rolling machines and to make it operator friendly.


New spline rolling machine


ORT ITALIA has introduced a new spline rolling machine RP 20 CNC/E, which it is confident has been designed on the basis of all the most modern technical criteria.


T


he new spline rolling machine offers a user friendly man-machine interface which helps the operator in all his operations, from rolls synchronisation to production changeover and 3D diagnostics. The machine offers production monitoring and verifies the conformity of each piece in real time. Machine working cycles are also preloaded and are easy for the operator to select.


ORT ITALIA points out that the RP 20 CNC/E is an environmental friendly machine, because


it uses only the energy necessary for production. Also, the hydraulic power pack has been replaced by electromechanical power transmission with minimal environmental impact. The RP 20 CNC/E is completely electrical, as it has a CNC control panel with a SIEMENS


SINUMERIK 840 DI. The machine is also free from variations of temperature due to the use of an electromechanical axis instead of a hydraulic one. Torque can be controlled on each motor. In plunge rolling, the minimum rolling diameter is 3mm, and the maximum is 50mm. The


stroke is controlled by SIEMENS CNC, with the positioning controlled by a linear encoder with a 0.0005mm resolution. Finally the slide is electromechanical, with a speed of 20mm/s, sliding on two robust linear guides. Head inclination is monitored in the CNC with a resolution of 0.02°.


98 Fastener + Fixing Magazine • Issue 68 March 2011


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