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Project 03 · Stichting Stunt · Delft · 2024

UPRESS

UPRESS

A hands-free sheet press that melts recycled HDPE flakes into sheets up to 40 mm thick, designed around a lifting mechanism, a tested heating pattern and guided heating plates.

A hands-free sheet press that melts recycled HDPE flakes into sheets up to 40 mm thick, designed around a lifting mechanism, a tested heating pattern and guided heating plates.

Client

Stichting Stunt, Delft

Duration

3 months

Year

2024

Software

Photoshop · Fusion 360 · Notion

Technical drawing, front view
Upress sheet press with pressed recycled HDPE sheets

600 mm

H 830 mm

01 / Design brief

Recycled plastic, but thick enough to build with.

Recycled plastic, but thick enough to build with.

Stichting Stunt, a Dutch upcycling company in Delft, asked for a sheet press machine able to produce 4 cm thick HDPE plastic sheets from shredded, recycled flakes.

Stichting Stunt, a Dutch upcycling company in Delft, asked for a sheet press machine able to produce 4 cm thick HDPE plastic sheets from shredded, recycled flakes.

40 mm

target sheet thickness

40 mm

target sheet thickness

#2

HDPE, recycled plastic

#2

HDPE, recycled plastic

3 months

from brief to final design

3 months

from brief to final design

HDPE flakes and a recycled sheet

02 / Benchmark

Existing presses stop at 25 mm.

Existing presses stop at 25 mm.

Comparable sheet presses are built for thinner sheets. Their output and the cavities left inside thick sheets set the bar Upress had to beat.

Comparable sheet presses are built for thinner sheets. Their output and the cavities left inside thick sheets set the bar Upress had to beat.

CAD of an existing benchmark sheet press

Similar machine · CAD · source: crclarke.co.uk

Similar machine

Preparation

30 min

Output thickness

25 mm

Cavities & gaps

30 mm

03 / Ideation

Sketching where the press sits and how it lifts.

Sketching where the press sits and how it lifts.

The focus was on exploring tabletop and standalone versions, and on different types of lifting mechanisms for the heated plates.

The focus was on exploring tabletop and standalone versions, and on different types of lifting mechanisms for the heated plates.

Ideation sketch 1 of the sheet press

Concept 01

Tabletop

Ideation sketch 2 of the sheet press

Concept 02

Tabletop

Ideation sketch 3 of the sheet press

Concept 03

Standalone

Ideation sketch 4 of the sheet press

Concept 04

Standalone

Ideation sketch 5 of the sheet press

Concept 05

Tabletop

Ideation sketch 6 of the sheet press

Concept 06

Standalone

04 / Testing & optimising

Testing heat and lift, instead of guessing them.

Testing heat and lift, instead of guessing them.

Experiments to define the most efficient heating pattern for rapid HDPE melting, along with guiding-pole tests for seamless lifting of the heating plates, then a force simulation of the heating plate.

Experiments to define the most efficient heating pattern for rapid HDPE melting, along with guiding-pole tests for seamless lifting of the heating plates, then a force simulation of the heating plate.

Heating pattern study plates

Heating pattern study

Comparing element layouts for even, rapid melting across the plate.

Guiding poles test rig and pole layouts

Guiding poles test

Three pole layouts tested on a scale rig for smooth, level plate travel.

Heating plate force simulation

Heating plate force simulation

Stress check of the plate under pressing load.

FINAL PRODUCT

Technical drawing, front view
Upress sheet press machine render
Upress sheet press machine render
Technical drawing of the lifting lever

Hands-free lifting mechanism

A jack-and-lever mechanism lifts the heated plate: the hands-free core of the design.

Thicker plastic sheet output

Sheets up to 40 mm, with cavities and gaps reduced to 3 to 4 mm.

Standalone version

A self-contained frame with its own control box, no workbench needed.

THE OUTPUT

Similar machine

Pressed HDPE sheet sample (green)

Preparation

30 min

Output

25 mm

Cavities & gaps

30 mm

Upress · sheet 1

Pressed HDPE sheet sample (red)

Preparation

30 min

Output

30 mm

Cavities & gaps

4 mm

Upress · sheet 2

Best

Pressed HDPE sheet sample (blue)

Preparation

35 min

Output

40 mm

Cavities & gaps

3 mm

+60%

+60%

thicker sheets than the benchmark, from 25 mm to 40 mm

−90%

−90%

cavities and gaps inside the sheet, from 30 mm to 3 mm

05 / My role

What I designed and engineered.

What I designed and engineered.

Ideation sketches

Explored tabletop and standalone layouts and lifting mechanisms by hand.

Heat & lift tests

Set up the heating-pattern and guiding-pole experiments on scale rigs.

CAD in Fusion 360

Modelled the frame, plates, jack and control box, and simulated the plate.

Technical drawings

Produced the general arrangement and the lifting-lever drawings.

Let’s talk about the role

Beck is open to UX, Product, and Industrial design roles in the Netherlands.

Get in touch

View CV

LOCATION

The Hague, NL

STATUS

Available now

ELIGIBILITY

Work eligible in NL, EU, EAEU

QUICK RECRUITER SUMMARY

Selected work

Philips, JDE Peet’s, bol.com, Miro, BurgerKing

Focus

Digital tools, physical products, brand systems

Collaboration

Product, engineering, stakeholders

Let’s talk about the role

Beck is open to UX, Product, and Industrial design roles in the Netherlands.

Contact

View CV

LOCATION

The Hague, NL

STATUS

Available now

ELIGIBILITY

Work eligible in NL, EU, EAEU

QUICK RECRUITER SUMMARY

Selected work

Philips, JDE Peet’s, bol.com, Miro, BurgerKing

Focus

Digital tools, physical products, brand systems

Collaboration

Product, engineering, stakeholders