The Hauser™ H45/H55 Series

The Hauser™ H45/H55 Series from Hardinge is an expandable jig grinding machine that can be used as a simple bore and form grinding machine or a completely automatic high-tech grinding and hard milling cell.

The latest Hauser jig grinding/hard milling head now offers an unprecedented range of grinding and milling techniques with its C, U, and Z configuration. With its high-grade stiffness and rigidity, in addition to a considerably boosted stroke speed and frequency, the Hauser™ H45/H55 series doubles the stock removal capacity, thus decreasing grinding cycle time while reducing spark out time by 50%.

Hydrostatic-guided spindle bearing system enables better than 0.5 µm circular accuracies in planetary grinding, while an unrivaled U axis capacity of up to +47 mm boosts the grinding autonomy.

Automated taper grinding is provided with Z U axis interpolation. Due to this latest grinding head technology, the high-accurate jig grinding combined with complementary hard milling has turned out to be a focal point of the Hauser series.

The H45 Series has a usable surface of 770 x 630 mm and a permissible load of 500 kg. The H55 series has a usable surface of 1440 x 860 mm and a permissible load of 800 kg with an optional 1500 kg.

Technical Data

Source: Hardinge Inc.

	Hauser H45
Work range
Range of adjustment X, Y	700 x 500 mm
Vertical adjustment of grinding head (W)	500 mm
Clearance between table surface and U-axis carrier plate for grinding motor	785 mm
Distance between upright columns	750 mm
Diameter ground in planetary mode, with grinding wheel Ø 50 mm/70S:
grinding motor 70S in U-axis center position, automatic grinding mode	144 mm (max.)
grinding motor 70S with extension plates, semi-automatic mode	360 mm (max.)
Diameter ground in planetary mode, with grinding wheel Ø 100 mm/40S:
grinding motor 40S in U-axis center position, automatic grinding mode	194 mm (max.)
grinding motor 40S with extension plates, semi-automatic mode	360 mm (max.)
Taper grinding, included angle (divergent and convergent)	120 degree max.
Table
Working surface	770 x 630 mm
6/7 T-slots, width	14 mm
Permissible table load	500 kg max.
Feeds
Table and saddle X, Y, W
Machining speed	0-2'000 mm/min
Traversing speed	4'000 mm/min
Grinding spindle Z, C, U
Diameter of the spindle sleeve	125 mm
Basic machine is prepared for use of the following grinding spindle speeds:
for electric grinding motor 40S, infinitely adjustable & programmable	4'000-40'000 min^-1
for electric grinding motor 22S, infinitely adjustable & programmable	4'500-22'500 min^-1
for electric grinding motor 45S, infinitely adjustable & programmable	9'000-45'000 min^-1
for electric grinding motor 70S, infinitely adjustable & programmable	9'000-70'000 min^-1
System to allow use of grinding turbine T13	up to 130'000 min^-1
C-axis planetary mode:
Planetary mode, infinitely adjustable and programmable	5-350 min^-1
C-axis follow-up mode, AC servo drive	up to 10 min^-1
Z-axis in alternating stroke mode:
Z-alternating stroke movement, infinitely adjustable	V_min. 0,500 mm/min
Z-alternating stroke movement, infinitely adjustable	V_max. 22’000 mm/min
Z-stroke frequency	8 Hz max.
Z-stroke length, infinitely adjustable	0.1 up to 170 mm
U-axis radial travel capacity (in CNC-mode)	von –3 up to +47 mm

All data is subject to change without notice

Controls

If users appreciate easy-to-use menu programming and require the benefits of ISO/DIN programming, then the HAUSER product is the right option.

As standard, the C, U, X, Y, Z, and Waxes are controlled by CNC. Hardinge has produced Hauser Software Cycles based on the Fanuc 300i with integrated PC, making sure that the control will flawlessly cover all the unique needs of jig grinding.

Image Credit:Hardinge Inc.

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