Archive | November, 2015

Two spindles- Deep-hole drilling machine for heat exchangers

Tuesday, November 10, 2015

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Galbiati Group recently realized a deep hole drilling machine with two spindles for the manufacture of shell and tube heat exchangers for the nuclear industry. The construction of these machines required significant engineering development to hold the close tolerances required for this type of application.

The deep-hole drilling machine, equipped with the BTA drilling system, is intended for the deep-hole drilling of heat exchangers tube plates up to a diameter of 51.7 mm.

The two spindles- deep hole drilling machine in question also has a third spindle for additional processes like milling of the workpiece or drilling of the same using tip inserts up to 80 mm in diameter, with an automatic system for locking/releasing the tool on the spindle.

Below are photos of the two spindles- deep hole drilling machine in the assembly area of Galbiati Group’s workshop.

Two spindles- Deep-hole drilling machine for heat exchangers

Friday, November 6, 2015

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We have recently realized deep-hole drilling machine with 2 spindles for the deep-hole drilling of tube plates for STS/BTA single tube sheet heat exchangers up to a diameter of 51.7 mm.

The BTA deep-hole drilling system has a drill chuck tube instead of the conventional longitudinal groove of lip drills. This greatly improves the cutting speed and travel of the tool and makes it about 4-6 times more productive than the Gundrill system.

The two spindles- deep hole drilling machine in question also has a third spindle for additional processes like milling of the workpiece or drilling of the same using tip inserts up to 80 mm in diameter, with an automatic system for locking/releasing the tool on the spindle.

Deep-hole drilling machine with two spindles for heat exchangers

Deep-hole drilling machine with two spindles for heat exchangers

The final test was carried out in the assembly area of Galbiati Group’s workshop, at the presence of the customer, and to the full satisfaction of both parties.

Below are photos of installation of the two spindles- deep hole drilling machine on the customer’s premises in Africa.

Deep-hole drilling machine with two spindles for heat exchangers

Deep-hole drilling machine with two spindles for heat exchangers

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Galbiati Group - Engineering & Machining

23848 Oggiono (Lc) Via Cà Bianca Pascolo, 26 Italy | Fax +39 341.2633300 | s.origgi@galbiatigroup.it
P.Iva: 03301540963 | Capitale sociale: 500.000 euro | REA: MI-1665349
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