e shtunë, 18 korrik 2009

Machining


Machining: An Introduction
In terms of annual dollars spent, machining is the most important of the manufacturing processes. Machining can be defined as the process of removing material from a workpiece in the form of chips. The term metal cutting is used when the material is metallic. Most machining has very low set-up cost compared to forming, molding, and casting processes. However, machining is much more expensive for high volumes. Machining is necessary where tight tolerances on dimensions and finishes are required.


The Machining section is divided into the following categories:
  1. DRILLING:


  2. TURNING:


  3. MILLING:


  4. GRINDING:


  5. CHIP FORMATION:

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Manufacturing fundamentals





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e martë, 19 gusht 2008

Important LINKS

CONTACT US

Casting
Machining
Raw Materials
Metals and Alloys

e diel, 27 prill 2008

Turning Machines - Lathe Maintenance











Machine Types Home
The engine lathe is a precision machine tool and must be treated with great care. Regular cleaning and maintenance will help to assure that the lathe will maintain its service life and accuracy for many years. This unit will cover basic lathe maintenance. The procedures you find within this document should be able to be performed by apprentice or beginning machine tool students. Lathe maintenance that requires more extensive disassembly should only be done by, or under the supervision of, qualified personnel.

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COMPETENCY REQUIREMENTS FOR TURNERS

BASICS

MANUFACTURERS MANUALS

e diel, 17 shkurt 2008

Difference Between Turret Lathes and Capstan Lathes
















- Turret and Capstan, both, are production machines and are usually of semiautomatic, type. Both turret and capstan lathes are provide with tool head, usually hexagon, to carry a set of tools and to supplement this by an additional slide carrying tools for cutting off and forming operations.
A Capstan lathe is usually a small or medium size machine with the tool head carried upon a slide mounted in a saddle bolted to the bed of the lathe, while a turret lathe has the (hexagon) tool head mounted on a saddle sliding directly on the bed.


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Lathe (metal)
From Wikipedia, the free encyclopedia
Jump to: navigation, search

Center lathe with DRO and chuck guard. Size is 460 mm swing x 1000 mm between centers
Metal lathe or metalworking lathe are generic terms for any of a large class of lathes designed for precisely machining relatively hard materials. They were originally designed to machine metals; however, with the advent of plastics and other materials, and with their inherent versatility, they are used in a wide range of applications, and a broad range of materials. In machining jargon, where the larger context is already understood, they are usually simply called lathes, or else referred to by more-specific subtype names (toolroom lathe, turret lathe, etc.). These rigid machine tools remove material from a rotating workpiece via the (typically linear) movements of various cutting tools, such as tool bits and drill bits.















e premte, 14 dhjetor 2007

Grinding and reconditioning


Tool and Cutter grinder

A tool and cutter grinder is used to sharpen milling cutters and tool bits along with a host of other cutting tools.

View of a typical setup on a T&C grinder
It is an extremely versatile machine used to perform a variety of grinding operations, surface, cylindrical, or for the grinding of complex shapes. The image shows a manually operated setup, however highly automated Computerized Numerical Control (CNC) machines are becoming increasingly common due to the complexities involved in the process.
The operation of this machine (in particular the manually operated variety) requires a high level of skill. The illustrated set-up is only one of many combinations available, the huge variety in shapes and types of machining cutters requires flexibility in usage. A variety of dedicated fixtures are included that allow cylindrical grinding operations or complex angles to be ground. The vise shown can swivel in three planes.
The table moves longitudinally and laterally, the head can swivel as well as being adjustable in the horizontal plane, as visible in the first image. This flexibility in the head allows the critical clearance angles required by the various cutters to be achieved.
Contents[hide]
1 CNC tool and cutter grinder
2 Radius Grinder
3 D-bit grinder
4 See also
//
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e enjte, 21 qershor 2007

Heat Treatment

Materials Australia - Principles of Heat Treating
This authoritative course teaches you the fundamentals of heat treating ferrous and nonferrous metals and alloys. This course is specifically designed for ...www.materialsaustralia.com.au/Services/Homestudy/Courses/15/ - 30k - Cached - Similar pages

Materials Australia - Heat Treatment of Steel
Induction Heat Treatment -- fundamentals of heat treatment, equipment selection and processing parameters, technical considerations, applications. ...www.materialsaustralia.com.au/Services/Homestudy/Courses/8/ - 30k - Cached - Similar pages

[ More results from www.materialsaustralia.com.au ]
[PDF]

Heat Treating Fundamentals
File Format: PDF/Adobe Acrobat - View as HTMLHeat Treating Fundamentals. An awareness of the ways that composition, cold work, and thermal processes interact to synthesize properties and ...www.brushwellman.com/alloy/tech_lit/EG-Heat%20Treatment.pdf - Similar pages

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Metallurgy

Ferreous



Non Ferreous

Welding/ Brazing

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Forming

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Forging

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Casting

Building The Foundry The Furnace The Burner The Cart Tongs & Crucible Sand Muller Mongo Burner

Fundamentals of Casting The Process Sand Casting Lost Wax CastingALUMINUM ALLOYS Other Foundries

Building The Foundry The Furnace The Burner The Cart Tongs & Crucible Sand Muller Mongo Burner
Fundamentals of Casting The Process Sand Casting Lost Wax CastingALUMINUM ALLOYS Other Foundries \

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INVESTMENT CASTING

V.S. Techno Cast is one of the leading manufacturers, exporters, importers and suppliers of precision parts. Initially V.S. Techno Cast was established to cater the needs to various industries via investment castings services, but now has expanded its offering to a broad spectrum of value added services.

Taking our Customers from an initial concept, to tooling design and procurement, and finally to finished products, we are proud of our flexibility, and how we can best utilize our modern facility and equipment and experienced staff to get you the best investment casting designs at the best possible price. Customers always choose VSTC for the high quality and the reliability of our products and services for Investment Castings. To know us beyond our service offerings, choose V.S. Tech Cast, for our philosophy works for you.

INVESTMENT CASTING FACILITIES AND DETAILS
PRODUCTION CAPACITY
MONTHLY PRODUCTION CAPACITY: 18,000 KGS
INVESTMENT CASTING: JOB HANDLING CAPACITY

LINEAR DIMENSION: 450mm X 450mm X 450mm
VOLUMETRIC CAPACITY: Materials/Job weighing from 10 grams to 45 kilograms
WALL THICKNESS A: 1.70mm for high alloys/stainless steel
WALL THICKNESS B: 2.25mm for low alloys/mild & carbon steel
SURFACE ROUGHNESS: 4 to 6 microns ra (The same can be improved up to 2.0 microns ra)

COMMONLY POURED ALLOYS: TYPES OF MATERIALS
Castings produced in most engineering materials include low and high steels, stainless steels, tool steels, nickel based alloys, cobalt based alloys, and copper based alloys.
Low Alloy Steel: 1020, 1045, 1050, 1095, 4130, 4140, 4150, 4340, 6150, 8620, 8650
Martensitic Stainless Steel: 410, 416, 420, 431, 15-5PH, 17-4PH, 440A, 440C, CA-6NM
Austenitic Stainless Steel: 303, 304, 304L, 316, 316L, 316/NonMag, CF-8M, CF-3M, 330, 347, 20-CB3, Alloy 20, CN-7M, CF10-SMnM
Duplex Stainless Steel: ASTM A890 Grade 4A
Copper Base Alloys: CDA872, CDA875, CDA876, CDA903, CDA905, CDA954
Tool Steels: A2, A6, D2, D5, L6, M2, M52, O1, S5, S7
Aluminum: 356
Ferritic Stainless Steel: 409, 430, 436, 446
Nickel Base Alloys: NI-B, NI-C, NI-x, NI-625, Mone E, Non-Galling SS
Cobalt Base Alloys: CoAlloy3, CoAlloy6

Other Value Added Services
Die Development
Reverse Engineering
Machining
Tooling
Heat Treatment
Plating
Polishing
Electro Polishing
Electro Plating.

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METAL CASTING Process Design
CASTING DEFECTS Trouble shooting

SAND CASTING

Trouble shooting

CASTING DEFECTS


GRAVITY DIE CASTING


PRESSURE DIE CASTING

Die Casting defects - troubleshooting

NC/CNC Machining

Sponsored Links
Learn CNC ConceptsTeach Yourself the Steps to CNCFree Course Explains CNC Basicswww.cncinformation.com

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Milling

Introduction Milling Equipment Milling Process Performance(Software available here) Milling Research Milling Technology Update
Go to the MANUFACTURING EDUCATION PAGE

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Shaping

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Drilling and Tapping

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TURNING

Lathe (metal)
From Wikipedia, the free encyclopedia
Jump to: navigation, search

Center lathe with DRO and chuck guard. Size is 460 mm swing x 1000 mm between centers
See also: Lathe (tool)
A metal lathe is generic description for a rigid machine tool designed to remove material from a workpiece, through the action of a cutting tool. They were originally designed to machine metals; however, with the advent of plastics and other materials, and with their inherent versatility, they are used in a wide range of applications, and a broad range of materials.
Contents[hide]
1 Construction
1.1 Headstock
1.2 Bed
1.3 Feed and lead screws
1.4 Carriage
1.4.1 Cross-slide
1.4.2 Compound Rest
1.4.3 Toolpost
1.5 Tailstock
2 Types of metal lathes
2.1 Center lathe
2.2 Capstan (Ram-type) lathe
2.3 Turret (Saddle-type) lathe
2.4 Multispindle lathe
2.5 Combination lathe
2.6 CNC lathe / CNC Turning Center
2.7 Swiss Style Lathe / Swiss Turning Center
3 References
//


http://en.wikipedia.org/wiki/Lathe_(metal)

Introduction

Primer Topics
Turning
Milling
Drilling
Machine Tools
Design for Manufacture
Heat in Machining
Environmentally Conscious Manufacturing
Software Testbeds
End Milling Simulation (EMSIM)
Turning Tool Design and Insert Selection (TTDIS)
Fixture Modeling and Analysis (FIXMA)
Cutting Fluid Evaluation Software Testbed (CFEST)
Miscellaneous
Manufacturing Education Chat Room (under development)
Topic Search (under development) GuideLines for Educational Primers GuideLines for Personnel Home Pages Style Sheet for the Primers
Feedback
References
Developers/Contributors:
..