Photo of Gear Hobber
Main technical parameter:
Type | YA31160E |
Max.workpiece diameter(with rear column/no rear column) | 1300/1600mm |
Max.machining modular(steel/cast iron) | 12/20mm |
Max.machining width(center distance≥400) | 500mm |
Max.hob diameter/length | 260mm |
Work table diameter | 1200mm |
Hob principal axis Rotate speed/grade | 19~125rpm/7 |
Max.axial movement Value hob principal axis | 100mm |
Taper bore of the spindle | Morse 6 |
Distance from hob Centre to worktable | 220~730mm |
Distance from hob Centre to worktable | 190~940mm |
Distance from outer support Surface to worktable centre | 500~1000mm |
Worktable aperture | 275mm |
Max.swivel angle of tool post | ±60 |
Arbor diameter | 32,40,50,60mm |
Worktable loading capacity(t) | 3t |
New workpiece axis diameter | 60mm |
Main motor | 15kw/1440rpm |
Machine outline dimensionL×W×H | 4082×2390×2520mm |
Weight(about) | 17000kg |
Introduction and Structure of Machine
The machine has a structure that a large column is fixed, while the
work table conduct feed motion along the guideway of the bed. Tool
post and sliding plate conduct feed motion along large column. The
machine consists of the following parts: bed, large column, work
table, transmission case, main tool post, vertical lifting slide
carriage, rear column, cooling device, hydraulic device, electric
control system, attached components.
1. Bed
Bed of the machine is made of high-quality casting iron and with
its guideway width of 770 mm and single guide of 120mm. the surface
of guideway is treated with high frequency quenching and grinding
process. The large column and work table are set on the bed. there
is a hydraulic oil tank below the bed. The hydraulic device is set
behind the bed of the machine.
2. Large column
The large column is set and fix on the bed. There is a
counterbalance, balance tool post and sliding plate inside the
column. The column is made of high quality casting iron with its
inside well-arranged reinforced plate, which ensured the stability
of the column.
3. Work table
The work table adopts cones for workpiece setting which ensured its
high precision and operational stability. Indexing worm adopts
precise gear hobbing machine with α＝15゜ pressure angle for processing which ensured its high precision and
roughness.
4. Transmission case
The transmission case set at lower section of the column which is
one of a main output device with the outstanding features of short
transmission chain and high transmission efficiency. The
transmission case is equipped with spindle speed selecting
mechanism and differential mechanism for the selection of hobbing
speed.
5. Lifting sliding plate
The lifting sliding plate conducts vertical motion along the column
guideway which plays a role in connection between column and tool
post. Tool post rotate around the sliding plate to complete the
processing of left-right hands spiral gear.
6. Tool post
Main post set on lifting sliding plate which can make a rotation of
±60°angle which can meet the requirements of processing spur or
helical gears. The tool post also equipped with 5 specifications of
hob arbor: 32mm, 40mm, 50mm, 60mm for installation of different
specification hob arbor and for the processing of different modulus
gear. Material of hob arbor is 40Cr.
7. Hydraulic elements of the machine use domestic famous brand;
Bearings are manufactured by Hawaluo bearing Co., Ltd.
Other Machine Tools
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