(key to improve productivity)

1.Hashim Hasnain Hadi 13ME36

2. Shaheryar 13ME07

B.E Mechanical (8th Semester )

Baluchistan University of Engineering & Technology Khuzdar

Presented By

Outlines

• Introduction

• Definition

• Implementation

• Implementation Phases

• Benefits of Group Technology

Introduction

• Group technology was introduced by Frederick Taylor in 1919 as a way to improve productivity.

• One of long term benefits of group technology is it helps implement a manufacturing strategy aimed at greater automation.

• GT(Group Technology) is a theory of management based on the principle that similar things should be done similarly.

• GT is the realization that many problems are similar, and that by grouping similar problems, a single solution can be found to a set of problems thus saving time and effort.

• GT is a manufacturing philosophy in which similar parts are identified and grouped together to take advantage of their similarities in design and production.

Introduction(Continue)

• Group Technology also known as GT, is a manufacturing technology where similar parts are collectively identified and grouped to use the benefit of their relationship in design and as well as in production.

• The similar parts are grouped to form part families.

• Each and every family has similar design and manufacturing qualities.

• Example: A plant manufacturing 10,000 various parts could be capable to arrange into 30 to 40 part families.

Definition

Group technology (GT) is a manufacturing philosophy that seeks to improve productivity by grouping parts and products with similar characteristics into families and forming production cells with a group of dissimilar machines and processes.

PRESS SHOP

(Cutting, Drilling, Bending, Punching, Notching,

Piercing)

GI

sheet

CRI

sheet

GI

sheet

CRI

sheet

Implementing Group Technology

Where to implement GT?

• Plants using traditional batch production and „process type layout

• If the parts can be grouped into part families

How to implement GT?

• Identify part families

• Rearrange production machines into machine cells

INJECTION MOULDING MACHINE

INJECTION MOULDING MACHINE

• Group technology implementation can be broken down into 3 different phases:

• Actions on the manufacturing process

• Changes to the production process

• Results for the organization

Implementation Phases

Group technology has the following actions on the manufacturing process:

• Part Simplification

• Process Standardization

• Production Control

Implementation Phases (Continue)

The changes group technologies can have on the production process.

• Tighter Parts Control

• Close physical layout of machine groups

• Orderings tied to production

Implementation Phases (Continue)

The results that group technologies have at the organizational level.

• Systematic design and redesign

• High-quality level

• Less process planning time and setup time

Benefits Of Group Technology

Some of the well-known tangible and intangible benefits of implementing GT :

1. Engineering design

• Reduction in new parts design

• Reduction in the number of drawings through standardization

• Reduction of drafting effort in new shop drawings

• Reduction of number of similar parts, easy retrieval of similar functional parts, and identification of substitute parts

Benefits of GT (Continue)

2. Layout planning

• Reduction in production floor space required

• Reduced material-handling effort

3. Specification of equipment, tools, jigs, and fixtures

• Standardization of equipment

• Implementation of cellular manufacturing systems

• Significant reduction in up-front costs incurred in the release of new parts for manufacture

Benefits of GT (Continue)

Manufacturing: production control

• Reduced work-in-process inventory

• Easy identification of bottlenecks

• Improved material flow and reduced warehousing costs

• Faster response to schedule changes

• Improved usage of jigs, fixtures, pallets, tools, material handling, and manufacturing equipment

THERMO-FORMING

Benefits of GT (Continue)

Manufacturing: quality control

• Reduction in number of defects leading to reduced inspection effort

• Reduced scrap generation

• Better output quality

• Increased accountability of operators and supervisors responsible for quality production, making it easier to implement total quality control concepts.