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Grippers in Motion - the Fascination of Automated Handling Tasks - Wolf Part 2 ppsx

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• ambient conditions: type, temperature • workpieces: orientation, quantity, position, size, type Influencing factors Figure 1.3 Phases of a handling process and its ambient conditions 1

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• ambient conditions: type, temperature

• workpieces: orientation, quantity, position, size, type

Influencing factors

Figure 1.3 Phases of a handling process and its ambient conditions

1

The handling process can be basically characterized by counting the workpieces moved per unit of time This characteristic, however, does not specify the amount of technical requirements for obtaining

a desired cycle time Complex workpieces and multiple ambient conditions can create different handling tasks to such an extent that a simple task of moving a workpiece from point A to B can become an extremely complex process Human beings are naturally equipped with an enormously flexible “gripping technique”,

efficient “sensors” and highly complex “data processing” and, therefore, tend to underrate such tasks

From practical experience in automation projects we know that unexpected technical and economic problems tend to occur especially when the handling process and all its parameters are not sufficiently analyzed and evaluated at an early stage

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handling VDI 2860

conveying VDI 2411 VDI 2411 storing

effecting materials flow

1

Setup

The term is used in connection with the availability of workpieces

A workpiece is made ready when it is able to be gripped

Handling

Handling means creating, defined changing or temporarily maintain-ing a pre-set alignment of geometrically defined bodies in a system of coordinates Further parameters such as time, quantity, and path can be pre-set (source: VDI Verein Deutscher Ingenieure Guideline 2860)

Handling is a subfunction of the materials flow and categorized on the same level as conveying or storing

Handling is divided into the following single steps:

• Store

• Change Quantities

• Move

• Secure

• Control

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1.3 What Are The Main Points of This Book?

The following chapters focus on the realization of handling technol-ogy tasks Keynote is the process of integrating a workpiece into a moving device and put it into a new position or orientation

In order to illustrate the subject in a sensible selection we draw the analogy to human object handling In line with this analogy we concentrate on gripping techniques which follow mechanical principles (force-lock and/or form-lock) Vacuum grippers and other gripper types are included but not covered in detail However, work-piece movement with moving axes and robot technology from the gripper finger to the six-axis robot arm are thoroughly described

Chapter 1 explains terms and fundamentals of the subject.

Chapter 2 gives an insight into the history of automation

technol-ogy and robot development over the past 30 years, highlighting the milestones without any claim for completeness An outlook on future developments awaiting us over the next few years, sup-ported by statistics and statements by the German federation of the engineering industries VDMA (Verband Deutscher Maschinen und Anlagenbauer) is included

1

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1.3 What Are The Main Points of This Book?

The following chapters focus on the realization of handling technol-ogy tasks Keynote is the process of integrating... awaiting us over the next few years, sup-ported by statistics and statements by the German federation of the engineering industries VDMA (Verband Deutscher Maschinen und Anlagenbauer) is included... fundamentals of the subject.

Chapter gives an insight into the history of automation

technol-ogy and robot development over the past 30 years, highlighting the milestones

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