JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 54

cnc
The 5-axis milling head is equiped with a rotary axis

units to facilitate the adjustment of the jigs until they are set in the correct position as chosen by the operator.

From aeronautics to aerospace
ATK Aerospace Systems produces solid rocket propulsion systems and military and commercial aircraft structures. The company also specialises in very small satellites. The versatility and flexibility of the MDL model is the factor that persuaded ATK to turn once again to Belotti, after already having acquired three other models from the range in 2009. ATK uses this new machining centre to produce parts made out of composite materials and light alloys. The high precision, the finishing quality and the part loading and unloading speed specified by the customer led Belotti to propose the MDL 23070 with pendulum cycle and 36position dual-loader. The machining centre, with its linear structure and suspended gantry, is supported and driven at the two ends by means of two motors. The mobile bridge (Y axis) runs along the top part of the structure (X axis, 23,000 mm stroke) with a stroke of 7,000 mm,

and the Z axis has a stroke of 4,500 mm on the mobile bridge. The linear axes are fitted with Heidenhain optical scales. The bridge offers electronically-synchronised 2-axis handling (gantry system), ensuring high speed and accuracy. The 5-axis head is fitted with encoders, with a system that totally eliminates any slack, and locking brakes for the C and A rotary axes, ensuring high rigidity and stability during rough grinding operations. The Heidenhain encoder ensures accurate positioning and repeatability during semi-finishing and finishing work. Since the launch of the production lines for the first machine in 1977, the company has continued to invest and produce machining centres that are appreciated the world over. Today, Belotti S.p.A. has a presence in the milling and water jet cutting sector with a vast range of models to meet the widest variety of market requirements. Belotti products are appreciated for their productivity, machining quality, reliability and flexibility. n
More information: www.belotti.com

54

jec composites magazine / No66 July - August 2011
The 5-axis milling head is equipped with a rotary axis locking system in order to guarantee greater rigidity during milling on fixed axes, and direct encoders for greater positioning precision during simultaneous 5-axis milling operations. The bi-rotary head is equipped with a liquid-cooled 15 kW electrospindle (20,000 rpm max) with an oil mist and de-ionised air tool cooling system.

long list of Belotti customers in the aeronautical sector, and its knowledge of Siemens CNC systems, considered as absolutely mandatory by BE, motivated the customer's choice to purchase an FLA 4026 machining centre, complete with all the accessories required to work with carbon fibre: integral soundproof cab, pressurised bellows and pads to keep small particles away from the slide members, dual dust extraction system in accordance with ATEX regulations.

Customised service

Thanks to its experience in the sector, the company has also been called upon to find the best possible solution for milling and machining strategies, by indicating what would be the best tools and toolholders for producing parts, some of which are very difficult to manufacture (such as special angle transmissions and customised extensions). The worktable has been customised with the insertion of spring-loaded ball transfer

Since 1977 the company has continued to invest and produce machining centres that are appreciated the world over


http://www.belotti.com

Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011

Cover
Edito
Point of view: Products for thermoplastic reinforcement
Contents
Agenda of Events
COMPANY & BUSINESS
- In Brief
- Aeronautics
APPLICATIONS
- Sports and leisure
- Civil engineering
MARKET
- Glass fibre
- Human Resources
- South America
- Sustainability
FEATURE AUTOMOTIVE
- Vessel
- Prepreg
- Software
- Thermoplastic
- Biocomposites
- High Performance
RESEARCH & DEVELOPMENT
- Process
- Environment
TECHNOLOGY & INNOVATIONS
- CNC
- Multiaxial
- Thermoplastic
- Traceability
Index
In the world
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - Cover
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 2
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - Edito
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - Point of view: Products for thermoplastic reinforcement
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 5
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - Contents
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 7
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - Agenda of Events
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - Ad1
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - Ad2
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - In Brief
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Aeronautics
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 11
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Sports and leisure
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 13
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Civil engineering
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 15
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Glass fibre
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 17
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 18
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Human Resources
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - South America
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 21
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Sustainability
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 23
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 24
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 25
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Vessel
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 27
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 28
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Prepreg
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 30
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 31
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Software
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 33
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Thermoplastic
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 35
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 36
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 37
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 38
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Biocomposites
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 40
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 41
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 42
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 43
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 44
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 45
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - High Performance
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 47
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Process
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 49
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Environment
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 51
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 52
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - CNC
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 54
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 55
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Multiaxial
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Thermoplastic
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 58
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Traceability
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 60
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - Index
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - In the world
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 63
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 64
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