ThomasNet News Logo
Sign Up | Log In | ThomasNet Home | Promote Your Business

Grinding Machine can produce variety of gears in small lots.

Print | 
Email |  Comment   Share  
Grinding Machine can produce variety of gears in small lots.
Grinding Machine can produce variety of gears in small lots.
Click Here to Enlarge Picture
January 24, 2011 - Able to machine gears with 0.5-8 modules, ZE40A accommodates both generating and profile grinding and also enables modification of biased flank shapes. This 9-axis, fully automated NC machine requires 3,750 x 4,000 mm installation space and employs direct-drive system that promotes smooth revolution of main and table spindles. Max external gear diameter of workpieces is 400 mm for high-efficiency machining and up to 600 mm dia when machining requirements are reduced.

MHI Develops "ZE40A" Universal Gear Grinding Machine Ideal for Production of Wide Variety of Gears in Small Lots


(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)

Mitsubishi Heavy Industries America
600 Cherry Fork Ave.
Leetonia, OH, 44431
USA





Press release date: January 20, 2011

- Accommodates Both Generating and Profile Grinding, also Bias Modification -

Tokyo - Mitsubishi Heavy Industries, Ltd. (MHI) has developed a universal gear grinding machine, the "ZE40A," which is capable of high-precision machining of various sizes of gears up to 600 millimeters (mm) in diameter. The new machine will be presented at "MHI Machine Tools Fair 2011," a private preview show of gear machines to be held by the company's Machine Tool Division on January 27 and 28 in Ritto, Shiga Prefecture. Marketing of the ZE40A is scheduled to begin by month's end. The new machine can accommodate both generating grinding*1 and profile grinding*2 and also enables modification of biased flank shapes, i.e. tooth surface torsion. The Division will explore demand for the new machine primarily targeting job shops that produce a wide variety of gears in small lots.

[ZE40A universal gear grinding machine]

The ZE40A, a 9-axis, fully automated numerical control (NC) machine, was developed aiming at the following features:

- high-precision machining of a broad variety of workpieces - easy setup changes, in order to accommodate small-lot production of various gear types - easy and simple operation and maintenance, to permit use by non-skilled operators - compact size, for reduced installation space

The new machine has achieved smooth revolution of the main (grinding) spindle and table spindle through adoption of a direct-drive system employing built-in motors to eliminate vibration from reducers. In the dressing unit, which functions to maintain the shape and sharpness of the grinding device, torsion angle adjustment is automated by NC. The installation space required for the ZE40A, 3,750 mm in width and 4,000 mm in depth, marks a 15% reduction even compared with the ZE15 and 24A models for smaller workpiece machining, achieved by slashing the size of the coolant device and rearranging the hydraulic and pneumatic devices.

While the maximum external gear diameter of workpieces is 400 mm for high-efficiency machining by the ZE40A, the machine can actually accommodate up to 600 mm diameter workpieces when machining requirements are stepped down, thanks to the wide space secured around its workpiece table. The ZE40A is able to machine gears with between 0.5 and 8 modules*3. Users can set the desired gear shape, in either generating grinding or profile grinding mode, by inputting NC data. In the case of helical gear machining, it is possible to modify bias generated during crowning, which is a machining process for making the center of a gear tooth thick in order to concentrate contact of two gear teeth at the center.

The ZE40A is equipped with software which enables highly accurate post heat treatment gear grinding processing and facilitates precise machining as desired from the very first workpiece. Tooth meshing jobs between the grinding wheel and the dresser device, as well as between the grinding wheel and the workpiece, are also automated. In addition, work to change workpieces, grinding wheels and tools as well as setup changes can be easily performed thanks to enhanced accessibility to the workpiece table. On the control board, a large-screen color graphic panel is adopted to provide enhanced operability. On the machine status display screen, warning indication of irregular operation also shows the content of the irregularity and the necessary countermeasures, enabling initial diagnosis as well as easier maintenance work.

Since developing the world's first dry-cutting gear production system using no cutting fluid in 1997, MHI has led the industry with its diverse gear cutting machines and cutting tools featuring high performance and accuracy while simultaneously addressing global environmental issues. With the addition of the ZE40A universal-purpose gear grinding machine to its product portfolio, the company will now further boost marketing activities in a quest to expand users of its gear cutting machines.

Notes: 1.Generating grinding is a grinding process for generating a tooth profile applying the relative movement of the workpiece and a grinding wheel not having an involute curve shape. 2.Profile grinding is a grinding process to adjust tooth shape using a tooth-shaped grinding wheel. 3.Module is the unit used to indicate gear size. Module = pitch circle diameter (in millimeters) divided by number of teeth.

Major Specifications of ZE40A Universal Gear Grinding Machine Maximum workpiece diameter: 400 millimeters (mm), (Max 600) Maximum modules: 8 Maximum hob size (diameter x length): 220 - 300 mm x 125 mm Grinding wheel speed: 6,000 revolutions per minute (rpm) Rated output of grinding wheel motor: 25 kilowatts (kW) Axial stroke: 400 mm Radial stroke: 570 mm Floor space (width x depth): 3,750 x 4,000 mm Machine weight: 12,000 kilograms (kg)
Print | 
Email |  Comment   Share  
Contacts: View detailed contact information.


 

Post a comment about this story

Name:
E-mail:
(your e-mail address will not be posted)
Comment title:
Comment:
To submit comment, enter the security code shown below and press 'Post Comment'.
 



 See related product stories
More .....
 See more product news in:
Machinery and Machining Tools
 More New Product News from this company:
Helical Gear Shaping Machine is fully NC-programmable.
Horizontal Boring Mills accommodate workpieces up to 20 tons.
Horizontal Boring Mills enable high-speed, accurate operations.
Wafer Bonding Machine produces 3D LSI circuits at room temp.
Wafer Bonding Machine produces 3-D ICs at room temperature.
More ....
| Featured Manufacturing Jobs
 Other News from this company:
MHI to Supply First J-Series Gas Turbine in the US to the Grand River Dam Authority of Oklahoma
MHI to Exhibit Machine Tools at "FEIMAFE 2013" in Brazil, Targeting Sales Expansion in Auto and Other Manufacturing Industries - Demonstration of Gear Machining by Gear Hobbing Machine
MHI Expands Local Production of Machine Tools in China,Adding Double-column, 5-face Milling Machines
MHI Marks Cumulative Shipments of 10,000 Gear Machines
MHI to Intensify Proposal-Based Marketing Approach for Machine Tools and Cutting Tools to Global Market
More ....
 Tools for you
Watch Company 
View Company Profile
Company web site
More news from this company
E-mail this story to a friend
Save Story
Search for suppliers of
Gear Production Machinery
Gear Making Machinery
Gear Shaping Machinery
Join the forum discussion at:
Tools of the Trade




Home  |  My ThomasNet News®  |  Industry Market Trends®  |  Submit Release  |  Advertise  |  Contact News  |  About Us
Brought to you by Thomasnet.com        Browse ThomasNet Directory

Copyright © 2014 Thomas Publishing Company. All Rights Reserved.
Terms of Use - Privacy Policy



Error close

Please enter a valid email address