1. The frame scaffolding parts name
At present, the domestic factories steel scaffolding main parts do not match the address. Each has a name, bring great inconvenience to scaffolding of popularization and application.

2. The main components of the specifications of the various sizes
The size of frame scaffold is various countries around the world, there are two units adopt the international unit and imperial. Such as English unit width is 4 '1219 type door frame (1219 mm), height is 6' 4 "(1930 mm), type 1219 international units of the width of the door frame is 1200 mm, height is 1900 mm.

The main door frame width scaffolding companies abroad are 900, 914, 1200, 1219 mm, the height of the door frame size a lot, become a system oneself.

Specifications several production plants in China is not unified, a generic foreign product specifications, also have domestic research units designed a set of system, adopts the inch size, has adopted the international system of units.

Such as door frame inch size is 1219 mm, the width of the international system of units of 1200 mm, from 1829 mm and 1830 mm respectively, and because the size is different, each other between the door frame can't general.

Foreign steel scaffolding to use the material of steel tube material and size has special provisions, such as Japanese standard frame scaffold poling of the main parts of the material used for STK - 51 steel, size is?42.7 x 2.5 mm, auxiliary rod material for STK - 41 steel, used for size?34.2 x 2.3 mm and?27.2 x 2.0 mm.

No specially for the frame scaffolding steel pipe in our country, the research is also a unit design requirements of the steel pipe size is often not the arrival of the goods, has led to some manufacturers are forced to adopt arm thick larger water gas pipe.