Universal Gear Hobbing Machines

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- Designed for the production of precision Spur, Helical & Worm Gears, Splines, Sprockets, Ratchet Wheels and any other form that can be hobbed

- Bed and Column of Close Grain Casting, well ribbed with 'V' type guide ways

- Shafts and Gears of Alloy Steel

- Indexing Worm Wheel of high grade Bronze material

- Machine equipped with differential mechanism for cutting Helical Gears

- Provision made to remove backlash between the indexing worm and worm gear and also between feed screw and the nut of the hob slide

- Oil reservoirs provided to ensure through lubrication of gears and bearings


Model: GHB-300

Specifications:
Model: GHB-300 GHB-600 GHB-900 GHB-1500*
Maximum Continuous Output (Max. Pitch): 6 DP / 4 Module 4 DP / 6 Module 3 DP / 8 Module 2 DP / 12 Module
Maximum diameter of Gear with support: 14" (356 mm) 24" (609 mm) 36" (914 mm) 60" (1524 mm)
Minimum diameter of Gear: 0.375" (10 mm) 0.5" (13 mm) 2" (51 mm) 3" (77 mm)
Face Capacity for Spur Gear: 8" (203 mm) 11" (279 mm) 18" (457 mm) 30" (762 mm)
Minimum Number of Teeth: 5 5 8 8
Face capacity of Helical Gear
        Helical Angle up to 15o:
        Helical Angle up to 30o:
        Helical Angle up to 45o:		 7" (178 mm)
6" (152 mm)
5" (127 mm)		 11" (279 mm)
9" (228 mm)
7" (178 mm)		 18" (457 mm)
12" (304 mm)
8" (203 mm)		 30" (762 mm)
24" (609 mm)
22" (558 mm)
Distance between Hob spindle & surface of table (max / min): 13.5" / 4.5"
(343 / 114 mm)		 18" / 6"
(457 / 152 mm)		 27" / 8.5"
(685 / 215 mm)		 42" / 9"
(1066 / 228 mm)
Axis to Axis distance of hob spindle to table (max / min): 8.5" / 1"
(216 / 25 mm)		 14" / Nil
(355 mm / Nil)		 22" / 1.5"
(558 / 38 mm)		 36" / 2"
(914 / 50 mm)
Diameter of Work Table: 13" (330 mm) 21" (533 mm) 24" (609 mm) 35" (889 mm)
Maximum diameter of Hob: 3.5" (90 mm) 5.5" (139 mm) 6.25" (158 mm) 8.5" (215 mm)
Maximum length of Hob: 5" (127 mm) 5.5" (139 mm) 8" (203 mm) 12" (304 mm)
Hob Shift: 1.25" (32 mm) 1.5" (38 mm) 2" (50 mm) 2.5" (64 mm)
Diameter of Work Arbor: 1.25" (32 mm) 1.5" (38 mm) 2" (50 mm) 2" (50 mm)
Diameter of Hob Arbor: 1.25" (32 mm) 1.25" (32 mm) 1.25" (32 mm) 1.25" (32 mm)
Hob Speed (RPM): 60 - 75 - 90 - 120 - 150 - 180 50 - 65 - 80 40 - 60 - 80 20 - 30 - 40 - 60
Feed of the Hob Slide (max / min): 0.1" / 0.01"
(2.5 / 0.25 mm)		 0.1" / 0.005"
(2.5 / 0.127 mm)		 0.1" / 0.01"
(2.5 / 0.25 mm)		 0.1" / 0.01"
(2.5 / 0.25 mm)
Main Drive Motor: 2 HP 2 HP 3 HP 5 HP
Rapid Motor for Pillar Slide: 1 HP 1.5 HP 2 HP 2 HP
Coolant Pump: 0.16 HP 0.16 HP 0.16 HP 0.16 HP
Net Weight (kgs.): 2200 3800 4400 8200
Dimensions (m): 1.9 x 0.9 x 2 2.25 x 1.05 x 2.15 2.5 x 1.03 x 2.1 3.5 x 1.15 x 2.65
Shipping Volume (m3) 3.5 5.1 5.5 11

* Note: the GHB-1500 is shipped in un packed condition in a open top container or on a flat rack

Model: GHB-900


Model: GHB-1500
Standard Accessories: Motors, coolant pump, one work arbor, one hob arbor, one set of 45 change gears

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Maneklal and Sons (Exports)
237 / 239 Perin Nariman Street Fort, Mumbai - 400 001, INDIA
Tel: (+91 22) 22618951 / 22618962    Fax: (+91 22) 22618903 / 22679573
e-mail: sales@maneklalexports.com

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