Boom Type:
Straight Boom

Folding Boom

Fence Boom

Type | Opening and closing times | Maximum boom length |
Straight Boom | 1.5s | 3m |
3s | 4.5m |
6s | 6m |
Folding Boom | 3s | 4.5m |
6s | 6m |
Fence Boom | 6s | 5m |
Retractable Straight Boom, easy for transportation (Optional):

A = Master Boom, B=Slave Boom
B<=A
Part B can be contracting inside in part A. This boom design is served for easy-transportation. From now on, 6m boom transportation can be easier and more convenient. 6m straight boom can be made as 4m+2m or 3m+3m.
Direction:

Machine core:
