Hamai N40HR Gear Hobber (High Rigidity)
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The Improved N40HR (High Rigidity) gear hobbing machine incorporates state of the art technology with (6) CNC axes, direct drive work- and cutter spindle as well as synchronized counter spindle, high speed cutter spindle for cutting gears up to Module 1.5, reliable Fanuc Series 31i CNC controls and drive system with user friendly conversational data input, heavy duty construction, high accuracy same as ground gears, ideal for dry cutting, wet machining is available, very compact design, with various loadings systems as well as skive hobbing of hardened Gears.
N40HR Machine Capacity
Maximum Work Piece Diameter 40 mm 1.6 Inch
Maximum Module 1.5 Module 16.9 DP
Minimum Table Speed 10 RPM
Maximum Table Speed 1000 RPM
Table Power 2.4 kW 3.2 HP
Hob Head
Maximum Hob Diameter 45 mm 1.8 Inch
Maximum Hob Length 50 mm 2.0 Inch
Minimum Hob RPM 100 RPM
Maximum Hob RPM 6000 RPM
Hob Spindle Diameter 10 mm 0.4 Inch
Maximum Hob Travel (Y Axis) 50 mm 2.0 Inch
Hob Swivel Angle ±45 Degrees
Hob Arbor Taper NT#20 Taper
Hob Spindle Power 10 kW 13.4 HP
Working Ranges
X-Axis
Radial Plus limit 55 mm 2.2 Inch
Radial Minus limit 5 mm 0.2 Inch
Total Radial Travel 50 mm 2.0 Inch
Z-Axis
Axial Plus limit 50 mm 2.0 Inch
Axial Minus limit 0 mm 0.0 Inch
Axial Travel 50 mm 2.0 Inch
Maximum Hobbed Length 75 mm 3.0 Inch
Tailstock
Tailstock Plus limit 40 mm 1.6 Inch
Tailstock Minus limit 0 mm 0.0 Inch
Tailstock Body Travel 40 mm 1.6 Inch
Tailstock Quill Motion 40 mm 1.6 Inch
Speeds
Radial (X) 8 m/min 315.0 inch/min
Axial (Z) 8 m/min 315.0 inch/min
Tangential (Y) 3 m/min 118.1 inch/min
Misc. Specs
Number of axes 6 X,Y,Z,A,B
CNC Fanuc 31iMB
Length 1380 mm 54.3 Inch
Width 1400 mm 55.1 Inch
Height 1865 mm 73.4 Inch
Weight 1500 kg 3,307 lbs.
Voltage 200-220 VAC 3 Phase
Frequency 50/60 Hz
Load 8 kVA
Suitable for mass – production of small gears for small motors, OA equipment, etc.
Capable of high speed hobbing with miniature carbide hobs
Just enter the specifications of the workpiece and hob. The CNC will automatically perform necessary calculations, drastically shortening the set-up time for a new workpiece
Capable of hobbing gears with 65 degrees left hand helix angle (optional)
Dry /Wet hobbing of hardened materials
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