Welland Canal's Old Winch System in Action
DNTV 2/11/2008 Post a comment History recorded! Here we see the old winch system that operates the north gates on Lock 3 as a bulk carrier heads west toward Lake Erie. We see the gates in action using this drive, which has about another 45 days to go after 75 years of use.
Welland Canal Gates in Action
DNTV 2/11/2008 Post a comment Continuing to shoot from the twinned flight locks' center pier, we see a cylinder in action as it opens a gate. Then a tug pulling a barge pulls into Lock 5 in the westbound lane heading toward Lake Erie.
Most machine design engineers will survey existing component manufacturers for standard linear guide products, limiting what they can do with their designs. Using extruded aluminum profile guides can customize machine designs while shrinking the bill of materials.
Practically all electronic devices today contain metals that may
be coming from conflict-ravaged African countries. And political pressures will increasingly influence how these minerals are sourced and used in products.
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