Thin-walled tube of soft metal when you try to bend often creased. To avoid this, they are usually pre-stuffed with sand.
With the same purpose, you can use another method: navit on the future site of bend copper or aluminum wire – turns will not allow the tube to wrinkle at the bend.
The same result can be achieved using a suitable inner diameter of the spring.
Recommend to read
CARS FOR KINGS
Among the hundreds of companies included in the clip the global automotive industry, there are many of those who were destined to lay as the Foundation of modern automotive industry and...
INSTEAD OF NEONKI – TIRATRON
Specialists in service and repair of industrial electrical installations will appreciate, I think, a convenient small-sized probe - "kontrolka" on 220/380 V. Indicator is not...
