Hamai N60 Horizontal CNC Gear Hobbing Machine
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Developed in 1999, the Hamai N60 represents the greatest number of Hamai machines completed and deployed throughout the world in high-production and job-type gear shops. Hamai of Japan has been producing high-precision horizontally-oriented hobbers since the early 1920's. The N60 hobbing machine incorporates state of the art technology with (7) CNC axes and is the most flexible workhorse of their product line. Featuring direct-drive work and cutter spindles, coupled with reliable Fanuc Series 31i CNC controls, these machines are capable of producing gears up to and including 2 Module / 2.4" DP. This machine is capable of dual hob operation with 200mm of hob shift capability.
Heavy duty design & construction make these machines absolutely ideal for high accuracy requirements on smaller gears. With various loading system options as well as optional skiving hobbing systems for hardened gears, these machines will be a welcome addition to your high-precision hobbing machine stable and will elevate your production to a whole new level.
Known for their heavy-duty construction, Hamai horizontal hobbers are known in tight circles for their high accuracy and stability in production applications. In many cases, gears are produced with similar AGMA quality levels as ground gears. As a stable platform for DRY cutting, these compact machines can be configured for dedicated or flexible production scenarios and can even be kitted out for skive hobbing of hardened gears.
The N60 model is the BASE model and comes equipped for the US Market with Options added (and available Options) per below.
HAMAI N60 SPECIFICATIONS:
MACHINE CAPACITY: METRIC INCH
Maximum Work Piece Diameter 60 mm 2.4"
Max Work Piece Dia. (w/32mm hob) 120 mm 4.72"
Maximum Workpiece Length 150 mm 5.9"
Maximum Module 2.0 Module 12.7 DP
See "Working Ranges" (Below) for Additional Capacity Data
WORK TABLE:
Minimum ~ Maximum Table Speed 10 RPM ~ 1000 RPM
Table Drive Power 5.5 kW 7.4 HP
Table Drive Torque 140 Nm 73.8 lb ft.
Table Bore Diameter 35 mm 1.4"
Table Outside Diameter 110 mm 4.3"
HOB HEAD:
Maximum Hob Diameter 50 mm 2.0"
Maximum Hob Length 100 mm 3.9"
Minimum ~ Maximum Hob RPM 200 RPM ~ 5000 RPM
Hob Head Maximum Torque 50 Nm 25.8 lb ft.
Hob Spindle Power 5.5 kW 7.4 HP
Hob Arbor Diameter (STD) 13 mm 0.5"
Hob Arbor Diameter (OPT) 8 mm / 10 mm / - OR - Inch Sizes
Maximum Hob Shift Travel 100 mm 3.9"
Hob Swivel Angle (STD) ±45 Degrees
Hob Arbor Taper NT#25 Taper
WORKING RANGES:
X-AXIS:
Radial Minus / Plus limit 10 mm ~ 85 mm 0.4" ~ 3.3"
Total Radial Travel 75 mm 3.0"
Z-AXIS:
Axial Minus / Plus limit 169 mm ~ 319 mm 6.65" ~ 12.6"
Axial Travel 150 mm 5.9"
Maximum Hobbed Length 150 mm 5.9"
TAILSTOCK:
Tailstock Minus / Plus limit 225 mm 8.9" ~ 430 mm 16.9"
Tailstock Body Travel 205 mm 8.1"
Tailstock Quill Travel 205 mm 8.1"
Tailstock Force 100 Nm ~ 2750 Nm 74 ~ 2,028 lb ft.
FEED RATES:
Radial (X) Cutting 0.1 ~ 500 mm/min 0.004 ~ 19.68"
Radial (X) Rapid 6 m/min 236.2 inch/min
Axial (Z) Cutting 0.1 ~ 500 mm/min 0.004 ~ 19.68"
Axial (Z) Rapid 6 m/min 236.2 inch/min
Tangential (Y) Cutting 0.1 ~ 500 mm/min 0.004 ~ 19.68"
Tangential (Y) Rapid 3 m/min 118.1 inch/min
MISCELLANEOUS SPECIFICATIONS:
Number of Axes 7 X = Radial Feed
Y = Hob Shift
Z = Axial Feed
A = Hob Head Swivel
B = Hob Spindle
C = Work Table
W = Tailstock
CNC Fanuc 31i-MF
Machine Length 2000 mm 55.1"
Machine Width 2000 mm 54.3"
Machine Height 2000 mm 73.4"
Machine Weight 3500 kg 7,716 lbs.
Voltage 200 - 230 VAC 3 Phase
Frequency 50/60 Hz
Load 16 kVA
AVAILABLE SOFTWARE / MACHINE FUNCTIONS:
Hob spindle & worktable positioning.
Multiple gears - up to 4 different data sets.
Automatic workpiece safety - prevents cutting workpiece twice.
One way cutting.
Double cutting (2 cycle).
Double cutting (conventional / climbing).
Crowning (Lead) cut.
Taper cutting.
Inch/Metric Switching/Conversion.
Automatic hob shift - both directions.
Working Hour / Working Counter.
Tailstock (Pressure Control).
Stored Program Memory - Maximum 39 pcs.
Hob Tool Wear & Breakage Monitoring.
OPTIONAL MACHINE ITEMS (SPECIFIC TO APPLICATION):
Chip Conveyor for DRY Hobbing (in Lieu of WET - STD).
Chip Conveyor for DRY / WET Hobbing - for ability to switch types.
5C Collet Adaptation System.
A-Axis Hob Head Swivel - specify ±45 Degrees - OR - +65/-25 Degrees.
X-Axis Retract Function - Power Failure Protection.
Hydraulically Actuated Deburring Slide System.
Electrical Cabinet A/C System.
Auto Door Device.
Automation / Robot Integration.
Base N60 Machine w/CNC Control - Fanuc 31i w/7 Axes of Control.
Automatic Lubrication System.
Automatic Hob Arbor Clamping System.
Full Machine Enclosure w/150mm Dia. Mist/Dust Collection Flange.
LED Lighting.
3 Color External Signal Lamp.
Mist Collector.
One Hob Arbor with Spacers.
Hob Arbor Counter Bearing Assembly.
Chip Conveyor or WET Hobbing.
Chip Box.
Oil Temperature Cooler (Chiller).
Electrical Cabinet A/C System.
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