70
Instruction and maintenance manual
ENGLISH
8.7.3 Drilling and tapping
Part
to machine
Machining
Accessories
required
Recommended
chuck
Machining
example
Plate or block
(part dimensions
below 150 mm)
Drilling and
blind tapping
Mechanical
stops on two
sides
QX and SQ/HD
(recommended
pole: 50÷62)
Part dimensions: 120x120x60
Material: Fe
Drill: Ø 12 mm
Feeding: 0.18 mm/rev
Speed: 1200 rpm
Plate or block
(part dimensions
above 150 mm)
Drilling and
blind tapping
Mechanical
stops on two
sides and
fixed polar
extensions to lift
the part.
Pre-drill if the
extension cannot
be removed.
QX and SQ/HD
(recommended
pole: 50÷62)
Part dimensions: 120x120x60
Material: Fe
Drill: Ø 12 mm
Feeding: 0.18 mm/rev
Speed: 1200 rpm
Drawn plate
(part dimensions
above 150 mm)
Drilling and
blind tapping
Not required
QX and SQ/ST,
SQ/HD,
SQ/HP
Plate dimensions: 250x250x50
Material: C40
Drill: Ø 30 mm
Number of inserts: 2
Feeding: 0.06 mm/rev
Speed: 1500 rpm
Drawn plate
(part dimensions
above 150 mm)
Drilling and
reeving tapping
Fixed polar
extensions to lift
the part.
Pre-drill if the
extension cannot
be removed.
QX and SQ/ST,
SQ/HD,
SQ/HP
Plate dimensions: 250x250x50
Material: C40
Drill: Ø 30 mm
Number of inserts: 2
Feeding: 0,06 mm/rev
Speed: 1500 rpm
Forged plate
(part dimensions
above 150 mm)
Drilling and
blind tapping
Not required
QX and SQ/ST,
SQ/HD,
SQ/HP
Plate dimensions: 250x250x50
Hardened and tempered material
Drill: Ø 30 mm
Number of inserts: 2
Feeding: 0.06 mm/rev
Speed: 1600 rpm
Forged plate
(part dimensions
above 150 mm)
Drilling and
reeving tapping
Fixed polar
extensions to lift
the part.
Pre-drill if the
extension cannot
be removed.
QX and SQ/ST,
SQ/HD,
SQ/HP
Plate dimensions: 250x250x50
Hardened and tempered material
Drill: Ø 30 mm
Number of inserts: 2
Feeding: 0,06 mm/rev
Speed: 1600 rpm
8.7.4 Machining of series or parts with special shapes
Machining
Accessories
required
Recommended
chuck
Machining
example
Flattening
Contouring
Drilling
Tapping
Shaped
over-plate
QX and SQ/ST,
SQ/HD,
SQ/HP
Same as above, but adapted to the
dimensions of the part, the material
and depth of the over-plate