Fasten automatically dishwasher-doors right and left hinges0 pages

Number 109
September 2014

Tightening automation
Household appliances field
Customer need:
• Fasten automatically dishwasherdoors right and left hinges
• Inexpensive solution with high
production rate
• Reliability of assemblies
•tEach hinge should be assembled
using 2 screws M5x10 (head
diameter 10mm) with milled
washer under the head, at torque
of about 3 Nm.
Workbench to assemble the left hinge.

Screw feeder integrated into workbench.

The solution:
We have manufactured two semi-automatic tightening
machines with 2-ways self-feeding:
• one to assemble the right hinge and one to assemble the
left hinge

Two auto-fed fastening slides.

Each machine, managed by the operator, is composed of:
- tWork bench with customized jig for part loading and
unloading featuring sensors detecting part presence
- ttwo-hands button start
- t2 double stroke fastening slides with air shut-off nutrunner motors
- polycarbonate safety barriers