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DU-DU2W Crankshaft and camshaft grinding machine for high productivity

DU-DU2W Crankshaft and camshaft grinding machine for high productivity
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DU-DU2W Crankshaft and camshaft grinding machine for high productivity

Product catalog summary
Overview: The document provides detailed information about CNC crankshaft grinding machines manufactured by AZ spa, Italy. These machines are designed for high productivity in grinding crankshafts and camshafts, utilizing fully automated orbital grinding technology.
Specifications: The machines offer a range of specifications including height of centers from 270 to 550 mm, swing over table from 510 to 1000 mm, and maximum grinding length from 600 to 3500 mm. They support both CBN and corundum grinding wheels with varying diameters and widths.
Machine Models:
  • DU Model: Designed for large batch production, featuring a double wheelhead carriage and a composite base for structural stability.
  • DUA Model: Suitable for smaller batch production, with a single wheelhead carriage and a cast iron base.
Base & Movements: The machines use CNC-controlled movements with linear motors or ball screw systems, ensuring high precision through external linear scales.
Headstock & Tailstock: These components allow micrometric roundness regulation and can be equipped with hydraulic chuck systems for auto-clamping and auto-compensating.
Workpiece Support & Driving: Synchronization of workheads reduces torsion errors, ensuring precision in shape grinding and orbital movement.
Grinding Wheel Head: Features linear motor-driven movements with dynamic balancing and options for CBN or corundum wheels.
Wheel Dressing: The machines can be equipped with various dressing systems, including diamond grinding stations for CBN wheels and fixed point dressers for corundum wheels.
Measurement & Control: Includes in-process measurement systems, gap control, shape control, and crash control systems to ensure high-quality grinding.
Automation & Monitoring: Options for robotic loading/unloading and remote monitoring systems with live video streaming are available.
Technical Assistance: Offers teleservice-hotline support, preventive maintenance, and a full package for repairs and spare parts.
Training: Advanced courses are available for technicians and schools covering operation, CNC programming, and maintenance.
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Catalog excerpts

DU-DU2W Crankshaft and camshaft grinding machine for high productivity-1

BEYOND GRINDING DU/DUA FULLY AUTOMATED ORBITAL CRANKSHAFTS-CAMSHAFTS GRINDING MACHINES FOR HIGH PRODUCTIVITY RETTIFICATRICI ORBITALI AUTOMATIZZATE PER ALBERI A GOMITO E A CAMME, PER ALTA PRODUZIONE

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DU-DU2W Crankshaft and camshaft grinding machine for high productivity-2

> Fully Automated Solutions for Crankshafts-Camshafts Grinding > Soluzioni di rettifica completamente automatizzate per la rettifica di alberi a gomito e a camme // FULLY AUTOMATED COMPLETAMENTE AUTOMATIZZATA // FOR LARGE AND SMALL PRODUCTION BATCHES PER LOTTI DI PRODUZIONE GRANDIE PICCOLI // ORBITAL GRINDING TECHNOLOGY SISTEMA DI RETTIFICA ORBITALE Height of centers [mm] from 270 to 550 Altezza centri Swing over table [mm] from 510 to1000 Rotazione sulla tavola Max length of grinding [mm] from 600 to 3500 Max lunghezza di rettifica Max diameter of CBN grinding wheel [mm] from 610 to 965 Diametro...

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DU-DU2W Crankshaft and camshaft grinding machine for high productivity-3

NEW!! 800 + LARGE BATCH PRODUCTION + SINGLE OR DOUBLE WHEELHEAD CARRIAGE + BASE MADE OF COMPOSITAL + WHEELHEAD MOVES ON X and Z AXIS + SMALL BATCH PRODUCTION + SINGLE WHEELHEAD CARRIAGE + BASE MADE OF CAST IRON + WHEELHEAD MOVES ON X AXIS-TABLE MOVES ON Z AXIS This machine model has been designed for high production batches, the machine can be equipped with a double wheelhead carriage with two wheels that can work simultaneously. The DU base is made of a composite material of concrete and steel specifically designed to obtain the best result between structural deformations and natural frequencies...

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DU-DU2W Crankshaft and camshaft grinding machine for high productivity-4

BASE & MOVEMENTS BASAMENTO E MOVIMENTAZIONE The movements, fully CNC controlled, are made by closed-loop linear motors or ball screw system controlled with external high precison linear scale. I movimenti della macchina sono controllati dal controllo numerico e realizzati da un motore lineare o vite a ricircolo di sfere, controllati mediante encoder lineare esterno a ciclo chiuso ad alta precisione.

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DU-DU2W Crankshaft and camshaft grinding machine for high productivity-6

HEADSTOCK & TAILSTOCK FANTINA E CONTROPUNTA The headstock and tailstock are divided in two parts this allows micrometric roundness regulation between the centers. On the headstock spindle can be installed an auto-clamping and auto-compensating hydraulic three jaws chuck system. Hydraulic automatic steady rests allow to support the workpiece on the main pins selected during processing. I corpi della fantina e della contropunta sono divisi in due parti questo consente la regolazione micrometrica della cilindricità tra le punte. Sul mandrino portapezzo può essere installato un sistema di bloccaggio...

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DU-DU2W Crankshaft and camshaft grinding machine for high productivity-7

WORKPIECE SUPPORT & DRIVING SUPPORTO E TRASCINAMENTO PEZZO + HEADS SYNCHRONIZATION + SINCRONIZZAZIONE DELLE TESTE The workheads can be synchronized in order to reduce the torsion error generated by the rotation of long shafts. This system guarantees the precision of shape grinding and orbital movement. Le teste porta pezzo possono essere sincronizzate al fine di ridurre l’errore di torsione generato dalla rotazione di alberi lunghi. Questo sistema garantisce la precisione di rettifica della forma e del movimento orbitale.

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DU-DU2W Crankshaft and camshaft grinding machine for high productivity-8

GRINDING WHEEL HEAD TESTA PORTAMOLA The movements of the grinding head are made by linear motors. The position of these is continuously monitored by closed loop absolute linear encoders. The dynamic grinding wheel balancing is ensured by an internal dynamic balancer with gap and crush control sensor. The machine can be equipped with vitrified CBN wheels, ideal for high production jobs or with corundum wheels for smaller production batches. I movimenti della testa portamola avvengono tramite motori lineari e i posizionamenti sono costantemente monitorati da encoder lineari assoluti a ciclo chiuso....

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DU-DU2W Crankshaft and camshaft grinding machine for high productivity-9

WHEEL DRESSING DIAMANTATURA DELLE MOLE The machine can be equipped with different types of dressers depending on the wheels used. To diamond grinding wheels in CBN The machine is supplied with one or two diamond grinding stations with electro-spindle and diamond roller which allow automatic grinding wheel profiling. If we use corundum wheels the machine will be equipped with a fixed point dresser. La macchina può essere dotata di diversi tipi di diamantatore a seconda delle mole utilizzate. Per diamantare le mole in CBN La macchina è fornita con una o due stazioni di diamantatura con elettromandrino...

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DU-DU2W Crankshaft and camshaft grinding machine for high productivity-10

CNC CRANKSHAFT GRINDING MACHINES • IN-PROCESS MEASUREMENT SYSTEM: has the ability to measure following the orbital movement of the machining providing continuously reading of ovalization of the pins. • PROBE FOR DIFFERENT POSITION MEASUREMENT • MISURATORE IN CONTINUO: questo strumento ha la possibility di misurare in continuo e durante il processo, seguendo il movimento orbitale della lavorazione e fornendo la lettura dell’ovalizzazione del perno in lavorazione. • GAP CONTROL SYSTEM • CONTROLLO FINE TAGLIO IN ARIA • SHAPE CONTROL SYSTEM • CONTROLLO DI FORMA • DRESSING CONTROL SYSTEM • CONTROLLO...

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DU-DU2W Crankshaft and camshaft grinding machine for high productivity-12

PIECE AUTOMATIC LOADING-UNLOADING CARICO-SCARICO PEZZO AUTOMATIZZATO The machine can be equipped with Anthropomorphic or Cartesian robot for loading and unloading of workpiece. La macchina può essere dotata di robot antropomorfo o cartesiano per carico e scarico del pezzo. TRAINING Advanced courses for technicians and schools: operation and management, CNC programming, maintenance. Corsi avanzati per tecnici e scuole: utilizzo e gestione della macchina, porgrammazione CNC, manutenzione. TECHNICAL ASSISTANCE / ASSISTENZA TELESERVICE-HOTLINE telephone or teleservice support ensures fast error correction...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.