COMFORT DRILL

Cordless screwdriver

Industrial Design | Engineering | Concept Design

Comfort Drill

This project was developed as a student project and not behalf of any company mentioned

Cordless screwdriver

Industrial Design | Engineering | Concept Design

Comfort Drill

This project was developed as a student project and not behalf of any company mentioned

Ease of use

Saturated market

Different settings aren't always understood by the avergage user.

The market for cordless screwdrivers is hightly saturated. To stand out from the market, an innovation must be created.

Development of a compact cordless screwdriver along the design language of the brand "Gardena" and targets users who value a functional and efficient tool in the garden.

Research

Ease of use

Saturated market

Different settings aren't always understood by the avergage user.

The market for cordless screwdrivers is hightly saturated. To stand out from the market, an innovation must be created.

Development of a compact cordless screwdriver along the design language of the brand "Gardena" and targets users who value a functional and efficient tool in the garden.

Research

Rebuilt from an old screwdriver

The cordless screwdriver is mainly made of ABS injection-molded plastic and offers a good grip thanks to a 2K injection-molded rubber coating. However, the outer shells in the storage area show a lot of wear. The connecting elements as well as screws, springs or clamps are made of metal. However, there are problem spots, such as excessively large ventilation slots in the area of the motor, which can allow foreign objects to enter. Overall, it does not have a stable upright standing position.

To understand the complexity of a cordless screwdriver, an old model was disassembled and rebuilt in Solidworks. In the process, important insights were gained for manufacturing and potential improvements were analyzed.

Tear Down

To understand the complexity of a cordless screwdriver, an old model was disassembled and rebuilt in Solidworks. In the process, important insights were gained for manufacturing and potential improvements were analyzed.

Tear Down

Bill of Material

Brand Application

Ergonomics

Functionality

Development of a compact cordless screwdriver along the design language of the brand „Gardena“

The cordless screwdriver should fit well in the hand and all controls should be easy to reach and operate.

Targets users who value a functional and efficient tool in the garden.

Development of a compact cordless screwdriver along the design language of the brand „Gardena“ and targets users who value a functional and efficient tool in the garden.

Design Goals

Brand Application

Ergonomics

Functionality

Development of a compact cordless screwdriver along the design language of the brand „Gardena“

The market for cordless screwdrivers is sufficiently saturated. To stand out from the market, an innovation must be created.

Targets users who value a functional and efficient tool in the garden.

Development of a compact cordless screwdriver along the design language of the brand „Gardena“ and targets users who value a functional and efficient tool in the garden.

Design Goals

Gardena Design DNA

High recognition value
Uniform design language
Fluid and soft shapes

Gardena Design DNA

High recognition value
Uniform design language
Fluid and soft shapes

Concept Development

Good

01
Concept

Basic equipment with a special focus on a housing shell that is as closed as possible to prevent foreign bodies and dust from entering the interior.

Good

01
Concept

Basic equipment with a special focus on a housing shell that is as closed as possible to prevent foreign bodies and dust from entering the interior.

Better

02
Concept

This concept aims in particular at simplifying operation. The otherwise separate functions of gear shifting and torque adjustment are combined into one operating element.

Better

02
Concept

This concept aims in particular at simplifying operation. The otherwise separate functions of gear shifting and torque adjustment are combined into one operating element.

WOw

03
Concept

This concept, compared to the "Better" concept, has added more technological features as well as the possibility of attaching attachments to the device.

WOw

03
Concept

This concept, compared to the "Better" concept, has added more technological features as well as the possibility of attaching attachments to the device.

Application of Brand DNA

The goal was to develop a design that was very close to Gardena‘s existing elements. Organic shapes with striking material separations create a clear overall image. The color selection unifies the various components of the product so that it fits seamlessly into the brand‘s product portfolio

Application of brand DNA

The goal was to develop a design that was very close to Gardena‘s existing elements. Organic shapes with striking material separations create a clear overall image. The color selection unifies the various components of the product so that it fits seamlessly into the brand‘s product portfolio

Design Development

Ergonomic study

With the help of grip clay models, a comfortable grip shape was developed. The prototypes were tested and evaluated with hands of different sizes.

Ergonomic study

With the help of grip clay models, a comfortable grip shape was developed. The prototypes were tested and evaluated with hands of different sizes.

Prototyping

First Premodell

Prior to CAD design, a preliminary model was made from lightweight foam. The knowledge gained from this was taken into account in the CAD design. Using pre-models of the initial CAD data, the proportions were checked and adjusted.

First Premodell

Prior to CAD design, a preliminary model was made from lightweight foam. The knowledge gained from this was taken into account in the CAD design. Using pre-models of the initial CAD data, the proportions were checked and adjusted.

Proportion study

Prior to CAD design, a preliminary model was made from lightweight foam. The knowledge gained from this was taken into account in the CAD design. Using pre-models of the initial CAD data, the proportions were checked and adjusted.

Realistic final model

In model construction, all the different materials and colors had to be produced separately. Mainly, the model was produced using the resin 3D printing process. Only the two rubber halves were produced using the CNC milling process.

Realistic final model

In model construction, all the different materials and colors had to be produced separately. Mainly, the model was produced using the resin 3D printing process. Only the two rubber halves were produced using the CNC milling process.

Final design

Electric Screwdriver

Expanding the Portfolio for an established Brand.

Expanding the Portfolio for an established Brand.

Technical Feature

The special feature of this cordless screwdriver is the technical concept of combining the torque adjustment and the gear shift function.

Illumination of the work area

To ensure a well-lit environment at every work station, the cordless screwdriver is equipped with a light below the drill chuck.

Components and technical data

The cordless screwdriver comes with a 12 volt rechargeable and replaceable battery.

Components and technical data

The cordless screwdriver comes with a 12 volt rechargeable and replaceable battery.

Operability

Saturated market

Location

Functionality of the setting options not always recognizable for the layman.

The market for cordless screwdrivers is sufficiently saturated. To stand out from the market, an innovation must be created.

Ideally, the cordless screwdriver should always be within reach between jobs to ensure the most efficient work possible.

Development of a compact cordless screwdriver along the design language of the brand „Gardena“ and targets users who value a functional and efficient tool in the garden.

In order to gain a deeper understanding of the technical structure of a cordless screwdriver, a device was unscrewed. All parts were exactly reconstructed in CAD. The insights gained in this way, together with the findings from the market analysis, were recorded in the form of potential fields and finally in the form of concepts. After consolidation, the design was developed.