Archive for May, 2016

Interempresas refers to the installation at Leku-Ona of a state-of-the-art double-column vertical lathe with a maximum turning diameter of 3100 mm This is a top precision and technology machine expressly designed to meet the high standards demanded by the wind power sector.

torno bost leku-ona

In connection with the Machine-tool Biennial in Bilbao (BIEMH) at the end of this month, the Interempresas review has brought out a special issue in which, among other subjects, it mentions one of the most important investments in machinery made by Leku-Ona in 2016: the Bost VTL 25 CY multitasking double-turret vertical lathe.

As explained by the head of the Leku-Ona group, Álex Zabala, the Bost VTL 25 CY (turnkey developed) is a high precision and technology machine “expressly designed to meet the high standards demanded by the wind power sector” with a maximum turning diameter of 3100 mm.

For the time being, “this state-of-the-art machine will be exclusively dedicated to producing work for one of our customers; a reference company in the manufacture of wind turbines which already collaborates with other divisions of the Leku-Ona Global Solutions Group” and which “has placed its trust in us to machine wind generator planet carriers”, the part that conveys the movement of the wind generator blades to the multiplier.

Everything in this lathe is specially developed and designed by Bost Machine Tools to meet the high standards demanded by the wind power sector: the machine includes a “y” axis for greater versatility when manufacturing parts of high complexity, and provides the flexibility necessary to tackle this and future projects.

Completing the investment is a metrology machine purchased from HEXAGON MEROLOGY. The machine in question is a DEA Delta Performance 3D high-precision Gantry with a useful range of 3000x5100x2000mm and a fixed-head Ultra High Accuracy LEITZ X5HD for point by point and continuous measurement.

1604-Bost-Lekuona_009 copy

Technical aspects

The Bost VTL 25 CY is a vertical double-turret multi-tasking milling machine with a mobile crosspiece and lengthwise movement of the chuck. The hydrostatic axis guiders guarantee excellent precision and the absence of vibrations which, together with an over-dimensioned design, gives its structure extra rigidity and strength and high machining capacity.

The turning capacity is up to 3100 mm, chuck axis Y= +/- 1000 mm, a part working height of H2200 mm, with a maximum permissible load of 12 tonnes and a voltage of 74 kW means that the lathe can machine parts of very large size, as is the case. Its tool spindle ram has an octagonal section and thermo-symmetric design of 310 x 310 mm, with a run of Z = 1250, a voltage of 37 kW and 4000 rpm.

It also has an automatic accessory and tool change, is equipped with a part measuring sensor, several milling heads and a number of turning tool heads with a complete guard system.


MKL offers an integral and immediate Laser Cutting service, personalised to suit the needs of every customer The company complements Laser Cutting with the Drilling, Tapping, Bending, Folding and Welding of parts, offering the market an integral solution.


MKL Machining (Machining & Laser Cutting), belonging to the Leku-Ona Global Solutions Group, offers at its Itziar installations solutions applied to machining and laser cutting for more than 12 sectors.

Last year an innovative Flexible Manufacturing Solution was installed in this laser cutting division, permitting it to achieve controlled, ordered and traceable production thanks to a robot which manages the tasks of feeding and unloading materials.

It is precisely thanks to this process automation that it can even accept orders for single parts, with highly competitive prices adapted to the requirements of each customer. The company also has the necessary flexibility to manufacture complex and singular parts in all kinds of materials, such as carbon steel, stainless steel, aluminium, etc.

All with the latest technology in laser cutting machinery, complemented with drilling, tapping, bending, folding and welding work in order to offer our customers an integral solution.

Although more alternatives exist, laser cutting offers important added advantages:

  • High precision in thinner sheets
  • Cutting of very small holes, narrow parts, geometries with very sharp angles; manufacture of parts with complicated profiles
  • Edges with a perpendicular cut
  • Very good automation possibilities
  • Very low heat production, no deformation of parts


The laser cutting division therefore has different products for different sectors, including:

  • Wind power: separating bushing, angular brake disk protection, engine mounting parts, planet carrier bearing blocking plates, oil guards and oil collectors.
  • Machine-tool: star made to plan, engine coupling protection or the exclusive tapping machine frame.
  • Automotive: Different models of bus mounts and bus exhaust diffuser.
  • Construction: Electricity system conduits.


By means of these products, MKL offers a personalised solution to each of its customers, putting its full dedication into every project, thanks to the fact that it has a quality and design department with more than 15 years of experience in providing solutions to dozens of companies.

If you would like to know more about MKL Machining or require technical advice on Laser Cutting or Machining, please don’t hesitate to contact us by calling: + 34 943 89 73 78 or by writing to us at: MKL@MKLMACHINING.COM


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