La plate-forme collaborative de bricolages scientifiques et pédagogiques

Pantograph

This pantograph can copy a drawing about 1.5 times larger than the original size.

 

Easy to make, it's a nice project to introduce the concept of scale and some notions of geometry.


Difficulté
Facile
Durée
2h
Note
3/5
Prix
~ 5 CHF
Témoignages
1

Matériel
Outils
Réalisation
Saw the two slats to create  : 2 pieces of 40 cm 2 pieces of 25 cm 2 pieces of 17 cm 1 piece of 10 cm.   Rub the ends with ...Mark crosses to indicate where to drill holes according to the photo. Taking the slats in pairs, drill the holes using the bits indicated on the photo.   A standard pencil fits in a ... Glue the 10 cm wooden slat at the bottom edge of the board, right in the middle.   Then drill with a 3 mm bit the center of ... Attach the center holes of the 40 cm slats with M3x25 bolts and nuts.   Then attach with two bolts M3x15 and nuts the two 17 ...Sharpen the tip of the 7 cm wooden rod with a pencil sharpener to create a pointed pin. Insert it at the end of the two small ... Fix the 25 cm slats at the other end to the long slats using the remaining M3x15 bolts and nuts.   Pass the pencil or felt ...
Fonctionnement
Liens&Références
Date30.04.2013
AuteurEmmanuelle
Organismeinfo-energie
TraducteurMartin
FinalitéProduire un son, une image
DomaineMécanisme, rouages, engrenages
Mathématiques, géométrie
Langue(s)français deutsch english
License